1# tcl.m4 --
2#
3#	This file provides a set of autoconf macros to help TEA-enable
4#	a Tcl extension.
5#
6# Copyright (c) 1999-2000 Ajuba Solutions.
7# Copyright (c) 2002-2005 ActiveState Corporation.
8#
9# See the file "license.terms" for information on usage and redistribution
10# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
11#
12# RCS: @(#) $Id: tcl.m4,v 1.6 2007/02/21 22:09:05 hobbs Exp $
13
14AC_PREREQ(2.57)
15
16dnl TEA extensions pass us the version of TEA they think they
17dnl are compatible with (must be set in TEA_INIT below)
18dnl TEA_VERSION="3.6"
19
20# Possible values for key variables defined:
21#
22# TEA_WINDOWINGSYSTEM - win32 aqua x11 (mirrors 'tk windowingsystem')
23# TEA_PLATFORM        - windows unix
24#
25
26#------------------------------------------------------------------------
27# TEA_PATH_TCLCONFIG --
28#
29#	Locate the tclConfig.sh file and perform a sanity check on
30#	the Tcl compile flags
31#
32# Arguments:
33#	none
34#
35# Results:
36#
37#	Adds the following arguments to configure:
38#		--with-tcl=...
39#
40#	Defines the following vars:
41#		TCL_BIN_DIR	Full path to the directory containing
42#				the tclConfig.sh file
43#------------------------------------------------------------------------
44
45AC_DEFUN([TEA_PATH_TCLCONFIG], [
46    dnl Make sure we are initialized
47    AC_REQUIRE([TEA_INIT])
48    #
49    # Ok, lets find the tcl configuration
50    # First, look for one uninstalled.
51    # the alternative search directory is invoked by --with-tcl
52    #
53
54    if test x"${no_tcl}" = x ; then
55	# we reset no_tcl in case something fails here
56	no_tcl=true
57	AC_ARG_WITH(tcl,
58	    AC_HELP_STRING([--with-tcl],
59		[directory containing tcl configuration (tclConfig.sh)]),
60	    with_tclconfig=${withval})
61	AC_MSG_CHECKING([for Tcl configuration])
62	AC_CACHE_VAL(ac_cv_c_tclconfig,[
63
64	    # First check to see if --with-tcl was specified.
65	    if test x"${with_tclconfig}" != x ; then
66		case ${with_tclconfig} in
67		    */tclConfig.sh )
68			if test -f ${with_tclconfig}; then
69			    AC_MSG_WARN([--with-tcl argument should refer to directory containing tclConfig.sh, not to tclConfig.sh itself])
70			    with_tclconfig=`echo ${with_tclconfig} | sed 's!/tclConfig\.sh$!!'`
71			fi ;;
72		esac
73		if test -f "${with_tclconfig}/tclConfig.sh" ; then
74		    ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
75		else
76		    AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
77		fi
78	    fi
79
80	    # then check for a private Tcl installation
81	    if test x"${ac_cv_c_tclconfig}" = x ; then
82		for i in \
83			../tcl \
84			`ls -dr ../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
85			`ls -dr ../tcl[[8-9]].[[0-9]] 2>/dev/null` \
86			`ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
87			../../tcl \
88			`ls -dr ../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
89			`ls -dr ../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
90			`ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
91			../../../tcl \
92			`ls -dr ../../../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
93			`ls -dr ../../../tcl[[8-9]].[[0-9]] 2>/dev/null` \
94			`ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
95		    if test -f "$i/unix/tclConfig.sh" ; then
96			ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
97			break
98		    fi
99		done
100	    fi
101
102	    # on Darwin, check in Framework installation locations
103	    if test "`uname -s`" = "Darwin" -a x"${ac_cv_c_tclconfig}" = x ; then
104		for i in `ls -d ~/Library/Frameworks 2>/dev/null` \
105			`ls -d /Library/Frameworks 2>/dev/null` \
106			`ls -d /Network/Library/Frameworks 2>/dev/null` \
107			`ls -d /System/Library/Frameworks 2>/dev/null` \
108			; do
109		    if test -f "$i/Tcl.framework/tclConfig.sh" ; then
110			ac_cv_c_tclconfig=`(cd $i/Tcl.framework; pwd)`
111			break
112		    fi
113		done
114	    fi
115
116	    # on Windows, check in common installation locations
117	    if test "${TEA_PLATFORM}" = "windows" \
118		-a x"${ac_cv_c_tclconfig}" = x ; then
119		for i in `ls -d C:/Tcl/lib 2>/dev/null` \
120			`ls -d C:/Progra~1/Tcl/lib 2>/dev/null` \
121			; do
122		    if test -f "$i/tclConfig.sh" ; then
123			ac_cv_c_tclconfig=`(cd $i; pwd)`
124			break
125		    fi
126		done
127	    fi
128
129	    # check in a few common install locations
130	    if test x"${ac_cv_c_tclconfig}" = x ; then
131		for i in `ls -d ${libdir} 2>/dev/null` \
132			`ls -d ${exec_prefix}/lib 2>/dev/null` \
133			`ls -d ${prefix}/lib 2>/dev/null` \
134			`ls -d /usr/local/lib 2>/dev/null` \
135			`ls -d /usr/contrib/lib 2>/dev/null` \
136			`ls -d /usr/lib 2>/dev/null` \
137			; do
138		    if test -f "$i/tclConfig.sh" ; then
139			ac_cv_c_tclconfig=`(cd $i; pwd)`
140			break
141		    fi
142		done
143	    fi
144
145	    # check in a few other private locations
146	    if test x"${ac_cv_c_tclconfig}" = x ; then
147		for i in \
148			${srcdir}/../tcl \
149			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
150			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]] 2>/dev/null` \
151			`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
152		    if test -f "$i/unix/tclConfig.sh" ; then
153		    ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
154		    break
155		fi
156		done
157	    fi
158	])
159
160	if test x"${ac_cv_c_tclconfig}" = x ; then
161	    TCL_BIN_DIR="# no Tcl configs found"
162	    AC_MSG_WARN([Can't find Tcl configuration definitions])
163	    exit 0
164	else
165	    no_tcl=
166	    TCL_BIN_DIR=${ac_cv_c_tclconfig}
167	    AC_MSG_RESULT([found ${TCL_BIN_DIR}/tclConfig.sh])
168	fi
169    fi
170])
171
172#------------------------------------------------------------------------
173# TEA_PATH_TKCONFIG --
174#
175#	Locate the tkConfig.sh file
176#
177# Arguments:
178#	none
179#
180# Results:
181#
182#	Adds the following arguments to configure:
183#		--with-tk=...
184#
185#	Defines the following vars:
186#		TK_BIN_DIR	Full path to the directory containing
187#				the tkConfig.sh file
188#------------------------------------------------------------------------
189
190AC_DEFUN([TEA_PATH_TKCONFIG], [
191    #
192    # Ok, lets find the tk configuration
193    # First, look for one uninstalled.
194    # the alternative search directory is invoked by --with-tk
195    #
196
197    if test x"${no_tk}" = x ; then
198	# we reset no_tk in case something fails here
199	no_tk=true
200	AC_ARG_WITH(tk,
201	    AC_HELP_STRING([--with-tk],
202		[directory containing tk configuration (tkConfig.sh)]),
203	    with_tkconfig=${withval})
204	AC_MSG_CHECKING([for Tk configuration])
205	AC_CACHE_VAL(ac_cv_c_tkconfig,[
206
207	    # First check to see if --with-tkconfig was specified.
208	    if test x"${with_tkconfig}" != x ; then
209		case ${with_tkconfig} in
210		    */tkConfig.sh )
211			if test -f ${with_tkconfig}; then
212			    AC_MSG_WARN([--with-tk argument should refer to directory containing tkConfig.sh, not to tkConfig.sh itself])
213			    with_tkconfig=`echo ${with_tkconfig} | sed 's!/tkConfig\.sh$!!'`
214			fi ;;
215		esac
216		if test -f "${with_tkconfig}/tkConfig.sh" ; then
217		    ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
218		else
219		    AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
220		fi
221	    fi
222
223	    # then check for a private Tk library
224	    if test x"${ac_cv_c_tkconfig}" = x ; then
225		for i in \
226			../tk \
227			`ls -dr ../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
228			`ls -dr ../tk[[8-9]].[[0-9]] 2>/dev/null` \
229			`ls -dr ../tk[[8-9]].[[0-9]]* 2>/dev/null` \
230			../../tk \
231			`ls -dr ../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
232			`ls -dr ../../tk[[8-9]].[[0-9]] 2>/dev/null` \
233			`ls -dr ../../tk[[8-9]].[[0-9]]* 2>/dev/null` \
234			../../../tk \
235			`ls -dr ../../../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
236			`ls -dr ../../../tk[[8-9]].[[0-9]] 2>/dev/null` \
237			`ls -dr ../../../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
238		    if test -f "$i/unix/tkConfig.sh" ; then
239			ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
240			break
241		    fi
242		done
243	    fi
244
245	    # on Darwin, check in Framework installation locations
246	    if test "`uname -s`" = "Darwin" -a x"${ac_cv_c_tkconfig}" = x ; then
247		for i in `ls -d ~/Library/Frameworks 2>/dev/null` \
248			`ls -d /Library/Frameworks 2>/dev/null` \
249			`ls -d /Network/Library/Frameworks 2>/dev/null` \
250			`ls -d /System/Library/Frameworks 2>/dev/null` \
251			; do
252		    if test -f "$i/Tk.framework/tkConfig.sh" ; then
253			ac_cv_c_tkconfig=`(cd $i/Tk.framework; pwd)`
254			break
255		    fi
256		done
257	    fi
258
259	    # check in a few common install locations
260	    if test x"${ac_cv_c_tkconfig}" = x ; then
261		for i in `ls -d ${libdir} 2>/dev/null` \
262			`ls -d ${exec_prefix}/lib 2>/dev/null` \
263			`ls -d ${prefix}/lib 2>/dev/null` \
264			`ls -d /usr/local/lib 2>/dev/null` \
265			`ls -d /usr/contrib/lib 2>/dev/null` \
266			`ls -d /usr/lib 2>/dev/null` \
267			; do
268		    if test -f "$i/tkConfig.sh" ; then
269			ac_cv_c_tkconfig=`(cd $i; pwd)`
270			break
271		    fi
272		done
273	    fi
274
275	    # on Windows, check in common installation locations
276	    if test "${TEA_PLATFORM}" = "windows" \
277		-a x"${ac_cv_c_tkconfig}" = x ; then
278		for i in `ls -d C:/Tcl/lib 2>/dev/null` \
279			`ls -d C:/Progra~1/Tcl/lib 2>/dev/null` \
280			; do
281		    if test -f "$i/tkConfig.sh" ; then
282			ac_cv_c_tkconfig=`(cd $i; pwd)`
283			break
284		    fi
285		done
286	    fi
287
288	    # check in a few other private locations
289	    if test x"${ac_cv_c_tkconfig}" = x ; then
290		for i in \
291			${srcdir}/../tk \
292			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]].[[0-9]]* 2>/dev/null` \
293			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]] 2>/dev/null` \
294			`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
295		    if test -f "$i/unix/tkConfig.sh" ; then
296			ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
297			break
298		    fi
299		done
300	    fi
301	])
302
303	if test x"${ac_cv_c_tkconfig}" = x ; then
304	    TK_BIN_DIR="# no Tk configs found"
305	    AC_MSG_WARN([Can't find Tk configuration definitions])
306	    exit 0
307	else
308	    no_tk=
309	    TK_BIN_DIR=${ac_cv_c_tkconfig}
310	    AC_MSG_RESULT([found ${TK_BIN_DIR}/tkConfig.sh])
311	fi
312    fi
313])
314
315#------------------------------------------------------------------------
316# TEA_LOAD_TCLCONFIG --
317#
318#	Load the tclConfig.sh file
319#
320# Arguments:
321#
322#	Requires the following vars to be set:
323#		TCL_BIN_DIR
324#
325# Results:
326#
327#	Subst the following vars:
328#		TCL_BIN_DIR
329#		TCL_SRC_DIR
330#		TCL_LIB_FILE
331#
332#------------------------------------------------------------------------
333
334AC_DEFUN([TEA_LOAD_TCLCONFIG], [
335    AC_MSG_CHECKING([for existence of ${TCL_BIN_DIR}/tclConfig.sh])
336
337    if test -f "${TCL_BIN_DIR}/tclConfig.sh" ; then
338        AC_MSG_RESULT([loading])
339	. ${TCL_BIN_DIR}/tclConfig.sh
340    else
341        AC_MSG_RESULT([could not find ${TCL_BIN_DIR}/tclConfig.sh])
342    fi
343
344    # eval is required to do the TCL_DBGX substitution
345    eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
346    eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
347
348    # If the TCL_BIN_DIR is the build directory (not the install directory),
349    # then set the common variable name to the value of the build variables.
350    # For example, the variable TCL_LIB_SPEC will be set to the value
351    # of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC
352    # instead of TCL_BUILD_LIB_SPEC since it will work with both an
353    # installed and uninstalled version of Tcl.
354    if test -f ${TCL_BIN_DIR}/Makefile ; then
355        TCL_LIB_SPEC=${TCL_BUILD_LIB_SPEC}
356        TCL_STUB_LIB_SPEC=${TCL_BUILD_STUB_LIB_SPEC}
357        TCL_STUB_LIB_PATH=${TCL_BUILD_STUB_LIB_PATH}
358    elif test "`uname -s`" = "Darwin"; then
359	# If Tcl was built as a framework, attempt to use the libraries
360	# from the framework at the given location so that linking works
361	# against Tcl.framework installed in an arbitary location.
362	case ${TCL_DEFS} in
363	    *TCL_FRAMEWORK*)
364		if test -f ${TCL_BIN_DIR}/${TCL_LIB_FILE}; then
365		    for i in "`cd ${TCL_BIN_DIR}; pwd`" \
366			     "`cd ${TCL_BIN_DIR}/../..; pwd`"; do
367			if test "`basename "$i"`" = "${TCL_LIB_FILE}.framework"; then
368			    TCL_LIB_SPEC="-F`dirname "$i"` -framework ${TCL_LIB_FILE}"
369			    break
370			fi
371		    done
372		fi
373		if test -f ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}; then
374		    TCL_STUB_LIB_SPEC="-L${TCL_BIN_DIR} ${TCL_STUB_LIB_FLAG}"
375		    TCL_STUB_LIB_PATH="${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}"
376		fi
377		;;
378	esac
379    fi
380
381    # eval is required to do the TCL_DBGX substitution
382    eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
383    eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
384    eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""
385    eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""
386
387    AC_SUBST(TCL_VERSION)
388    AC_SUBST(TCL_BIN_DIR)
389    AC_SUBST(TCL_SRC_DIR)
390
391    AC_SUBST(TCL_LIB_FILE)
392    AC_SUBST(TCL_LIB_FLAG)
393    AC_SUBST(TCL_LIB_SPEC)
394
395    AC_SUBST(TCL_STUB_LIB_FILE)
396    AC_SUBST(TCL_STUB_LIB_FLAG)
397    AC_SUBST(TCL_STUB_LIB_SPEC)
398
399    AC_SUBST(TCL_LIBS)
400    AC_SUBST(TCL_DEFS)
401    AC_SUBST(TCL_EXTRA_CFLAGS)
402    AC_SUBST(TCL_LD_FLAGS)
403    AC_SUBST(TCL_SHLIB_LD_LIBS)
404])
405
406#------------------------------------------------------------------------
407# TEA_LOAD_TKCONFIG --
408#
409#	Load the tkConfig.sh file
410#
411# Arguments:
412#
413#	Requires the following vars to be set:
414#		TK_BIN_DIR
415#
416# Results:
417#
418#	Sets the following vars that should be in tkConfig.sh:
419#		TK_BIN_DIR
420#------------------------------------------------------------------------
421
422AC_DEFUN([TEA_LOAD_TKCONFIG], [
423    AC_MSG_CHECKING([for existence of ${TK_BIN_DIR}/tkConfig.sh])
424
425    if test -f "${TK_BIN_DIR}/tkConfig.sh" ; then
426        AC_MSG_RESULT([loading])
427	. ${TK_BIN_DIR}/tkConfig.sh
428    else
429        AC_MSG_RESULT([could not find ${TK_BIN_DIR}/tkConfig.sh])
430    fi
431
432    # eval is required to do the TK_DBGX substitution
433    eval "TK_LIB_FILE=\"${TK_LIB_FILE}\""
434    eval "TK_STUB_LIB_FILE=\"${TK_STUB_LIB_FILE}\""
435
436    # If the TK_BIN_DIR is the build directory (not the install directory),
437    # then set the common variable name to the value of the build variables.
438    # For example, the variable TK_LIB_SPEC will be set to the value
439    # of TK_BUILD_LIB_SPEC. An extension should make use of TK_LIB_SPEC
440    # instead of TK_BUILD_LIB_SPEC since it will work with both an
441    # installed and uninstalled version of Tcl.
442    if test -f ${TK_BIN_DIR}/Makefile ; then
443        TK_LIB_SPEC=${TK_BUILD_LIB_SPEC}
444        TK_STUB_LIB_SPEC=${TK_BUILD_STUB_LIB_SPEC}
445        TK_STUB_LIB_PATH=${TK_BUILD_STUB_LIB_PATH}
446    elif test "`uname -s`" = "Darwin"; then
447	# If Tk was built as a framework, attempt to use the libraries
448	# from the framework at the given location so that linking works
449	# against Tk.framework installed in an arbitary location.
450	case ${TK_DEFS} in
451	    *TK_FRAMEWORK*)
452		if test -f ${TK_BIN_DIR}/${TK_LIB_FILE}; then
453		    for i in "`cd ${TK_BIN_DIR}; pwd`" \
454			     "`cd ${TK_BIN_DIR}/../..; pwd`"; do
455			if test "`basename "$i"`" = "${TK_LIB_FILE}.framework"; then
456			    TK_LIB_SPEC="-F`dirname "$i"` -framework ${TK_LIB_FILE}"
457			    break
458			fi
459		    done
460		fi
461		if test -f ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}; then
462		    TK_STUB_LIB_SPEC="-L${TK_BIN_DIR} ${TK_STUB_LIB_FLAG}"
463		    TK_STUB_LIB_PATH="${TK_BIN_DIR}/${TK_STUB_LIB_FILE}"
464		fi
465		;;
466	esac
467    fi
468
469    # eval is required to do the TK_DBGX substitution
470    eval "TK_LIB_FLAG=\"${TK_LIB_FLAG}\""
471    eval "TK_LIB_SPEC=\"${TK_LIB_SPEC}\""
472    eval "TK_STUB_LIB_FLAG=\"${TK_STUB_LIB_FLAG}\""
473    eval "TK_STUB_LIB_SPEC=\"${TK_STUB_LIB_SPEC}\""
474
475    # Ensure windowingsystem is defined
476    if test "${TEA_PLATFORM}" = "unix" ; then
477	case ${TK_DEFS} in
478	    *MAC_OSX_TK*)
479		AC_DEFINE(MAC_OSX_TK, 1, [Are we building against Mac OS X TkAqua?])
480		TEA_WINDOWINGSYSTEM="aqua"
481		;;
482	    *)
483		TEA_WINDOWINGSYSTEM="x11"
484		;;
485	esac
486    elif test "${TEA_PLATFORM}" = "windows" ; then
487	TEA_WINDOWINGSYSTEM="win32"
488    fi
489
490    AC_SUBST(TK_VERSION)
491    AC_SUBST(TK_BIN_DIR)
492    AC_SUBST(TK_SRC_DIR)
493
494    AC_SUBST(TK_LIB_FILE)
495    AC_SUBST(TK_LIB_FLAG)
496    AC_SUBST(TK_LIB_SPEC)
497
498    AC_SUBST(TK_STUB_LIB_FILE)
499    AC_SUBST(TK_STUB_LIB_FLAG)
500    AC_SUBST(TK_STUB_LIB_SPEC)
501
502    AC_SUBST(TK_LIBS)
503    AC_SUBST(TK_XINCLUDES)
504])
505
506#------------------------------------------------------------------------
507# TEA_ENABLE_SHARED --
508#
509#	Allows the building of shared libraries
510#
511# Arguments:
512#	none
513#
514# Results:
515#
516#	Adds the following arguments to configure:
517#		--enable-shared=yes|no
518#
519#	Defines the following vars:
520#		STATIC_BUILD	Used for building import/export libraries
521#				on Windows.
522#
523#	Sets the following vars:
524#		SHARED_BUILD	Value of 1 or 0
525#------------------------------------------------------------------------
526
527AC_DEFUN([TEA_ENABLE_SHARED], [
528    AC_MSG_CHECKING([how to build libraries])
529    AC_ARG_ENABLE(shared,
530	AC_HELP_STRING([--enable-shared],
531	    [build and link with shared libraries (default: on)]),
532	[tcl_ok=$enableval], [tcl_ok=yes])
533
534    if test "${enable_shared+set}" = set; then
535	enableval="$enable_shared"
536	tcl_ok=$enableval
537    else
538	tcl_ok=yes
539    fi
540
541    if test "$tcl_ok" = "yes" ; then
542	AC_MSG_RESULT([shared])
543	SHARED_BUILD=1
544    else
545	AC_MSG_RESULT([static])
546	SHARED_BUILD=0
547	AC_DEFINE(STATIC_BUILD, 1, [Is this a static build?])
548    fi
549    AC_SUBST(SHARED_BUILD)
550])
551
552#------------------------------------------------------------------------
553# TEA_ENABLE_THREADS --
554#
555#	Specify if thread support should be enabled.  If "yes" is specified
556#	as an arg (optional), threads are enabled by default, "no" means
557#	threads are disabled.  "yes" is the default.
558#
559#	TCL_THREADS is checked so that if you are compiling an extension
560#	against a threaded core, your extension must be compiled threaded
561#	as well.
562#
563#	Note that it is legal to have a thread enabled extension run in a
564#	threaded or non-threaded Tcl core, but a non-threaded extension may
565#	only run in a non-threaded Tcl core.
566#
567# Arguments:
568#	none
569#
570# Results:
571#
572#	Adds the following arguments to configure:
573#		--enable-threads
574#
575#	Sets the following vars:
576#		THREADS_LIBS	Thread library(s)
577#
578#	Defines the following vars:
579#		TCL_THREADS
580#		_REENTRANT
581#		_THREAD_SAFE
582#
583#------------------------------------------------------------------------
584
585AC_DEFUN([TEA_ENABLE_THREADS], [
586    AC_ARG_ENABLE(threads,
587	AC_HELP_STRING([--enable-threads],
588	    [build with threads]),
589	[tcl_ok=$enableval], [tcl_ok=yes])
590
591    if test "${enable_threads+set}" = set; then
592	enableval="$enable_threads"
593	tcl_ok=$enableval
594    else
595	tcl_ok=yes
596    fi
597
598    if test "$tcl_ok" = "yes" -o "${TCL_THREADS}" = 1; then
599	TCL_THREADS=1
600
601	if test "${TEA_PLATFORM}" != "windows" ; then
602	    # We are always OK on Windows, so check what this platform wants:
603
604	    # USE_THREAD_ALLOC tells us to try the special thread-based
605	    # allocator that significantly reduces lock contention
606	    AC_DEFINE(USE_THREAD_ALLOC, 1,
607		[Do we want to use the threaded memory allocator?])
608	    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
609	    if test "`uname -s`" = "SunOS" ; then
610		AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
611			[Do we really want to follow the standard? Yes we do!])
612	    fi
613	    AC_DEFINE(_THREAD_SAFE, 1, [Do we want the thread-safe OS API?])
614	    AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
615	    if test "$tcl_ok" = "no"; then
616		# Check a little harder for __pthread_mutex_init in the same
617		# library, as some systems hide it there until pthread.h is
618		# defined.  We could alternatively do an AC_TRY_COMPILE with
619		# pthread.h, but that will work with libpthread really doesn't
620		# exist, like AIX 4.2.  [Bug: 4359]
621		AC_CHECK_LIB(pthread, __pthread_mutex_init,
622		    tcl_ok=yes, tcl_ok=no)
623	    fi
624
625	    if test "$tcl_ok" = "yes"; then
626		# The space is needed
627		THREADS_LIBS=" -lpthread"
628	    else
629		AC_CHECK_LIB(pthreads, pthread_mutex_init,
630		    tcl_ok=yes, tcl_ok=no)
631		if test "$tcl_ok" = "yes"; then
632		    # The space is needed
633		    THREADS_LIBS=" -lpthreads"
634		else
635		    AC_CHECK_LIB(c, pthread_mutex_init,
636			tcl_ok=yes, tcl_ok=no)
637		    if test "$tcl_ok" = "no"; then
638			AC_CHECK_LIB(c_r, pthread_mutex_init,
639			    tcl_ok=yes, tcl_ok=no)
640			if test "$tcl_ok" = "yes"; then
641			    # The space is needed
642			    THREADS_LIBS=" -pthread"
643			else
644			    TCL_THREADS=0
645			    AC_MSG_WARN([Do not know how to find pthread lib on your system - thread support disabled])
646			fi
647		    fi
648		fi
649	    fi
650	fi
651    else
652	TCL_THREADS=0
653    fi
654    # Do checking message here to not mess up interleaved configure output
655    AC_MSG_CHECKING([for building with threads])
656    if test "${TCL_THREADS}" = 1; then
657	AC_DEFINE(TCL_THREADS, 1, [Are we building with threads enabled?])
658	AC_MSG_RESULT([yes (default)])
659    else
660	AC_MSG_RESULT([no])
661    fi
662    # TCL_THREADS sanity checking.  See if our request for building with
663    # threads is the same as the way Tcl was built.  If not, warn the user.
664    case ${TCL_DEFS} in
665	*THREADS=1*)
666	    if test "${TCL_THREADS}" = "0"; then
667		AC_MSG_WARN([
668    Building ${PACKAGE_NAME} without threads enabled, but building against Tcl
669    that IS thread-enabled.  It is recommended to use --enable-threads.])
670	    fi
671	    ;;
672	*)
673	    if test "${TCL_THREADS}" = "1"; then
674		AC_MSG_WARN([
675    --enable-threads requested, but building against a Tcl that is NOT
676    thread-enabled.  This is an OK configuration that will also run in
677    a thread-enabled core.])
678	    fi
679	    ;;
680    esac
681    AC_SUBST(TCL_THREADS)
682])
683
684#------------------------------------------------------------------------
685# TEA_ENABLE_SYMBOLS --
686#
687#	Specify if debugging symbols should be used.
688#	Memory (TCL_MEM_DEBUG) debugging can also be enabled.
689#
690# Arguments:
691#	none
692#
693#	TEA varies from core Tcl in that C|LDFLAGS_DEFAULT receives
694#	the value of C|LDFLAGS_OPTIMIZE|DEBUG already substituted.
695#	Requires the following vars to be set in the Makefile:
696#		CFLAGS_DEFAULT
697#		LDFLAGS_DEFAULT
698#
699# Results:
700#
701#	Adds the following arguments to configure:
702#		--enable-symbols
703#
704#	Defines the following vars:
705#		CFLAGS_DEFAULT	Sets to $(CFLAGS_DEBUG) if true
706#				Sets to $(CFLAGS_OPTIMIZE) if false
707#		LDFLAGS_DEFAULT	Sets to $(LDFLAGS_DEBUG) if true
708#				Sets to $(LDFLAGS_OPTIMIZE) if false
709#		DBGX		Formerly used as debug library extension;
710#				always blank now.
711#
712#------------------------------------------------------------------------
713
714AC_DEFUN([TEA_ENABLE_SYMBOLS], [
715    dnl Make sure we are initialized
716    AC_REQUIRE([TEA_CONFIG_CFLAGS])
717    AC_MSG_CHECKING([for build with symbols])
718    AC_ARG_ENABLE(symbols,
719	AC_HELP_STRING([--enable-symbols],
720	    [build with debugging symbols (default: off)]),
721	[tcl_ok=$enableval], [tcl_ok=no])
722    DBGX=""
723    if test "$tcl_ok" = "no"; then
724	CFLAGS_DEFAULT="${CFLAGS_OPTIMIZE}"
725	LDFLAGS_DEFAULT="${LDFLAGS_OPTIMIZE}"
726	AC_MSG_RESULT([no])
727    else
728	CFLAGS_DEFAULT="${CFLAGS_DEBUG}"
729	LDFLAGS_DEFAULT="${LDFLAGS_DEBUG}"
730	if test "$tcl_ok" = "yes"; then
731	    AC_MSG_RESULT([yes (standard debugging)])
732	fi
733    fi
734    if test "${TEA_PLATFORM}" != "windows" ; then
735	LDFLAGS_DEFAULT="${LDFLAGS}"
736    fi
737
738    AC_SUBST(TCL_DBGX)
739    AC_SUBST(CFLAGS_DEFAULT)
740    AC_SUBST(LDFLAGS_DEFAULT)
741
742    if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
743	AC_DEFINE(TCL_MEM_DEBUG, 1, [Is memory debugging enabled?])
744    fi
745
746    if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
747	if test "$tcl_ok" = "all"; then
748	    AC_MSG_RESULT([enabled symbols mem debugging])
749	else
750	    AC_MSG_RESULT([enabled $tcl_ok debugging])
751	fi
752    fi
753])
754
755#------------------------------------------------------------------------
756# TEA_ENABLE_LANGINFO --
757#
758#	Allows use of modern nl_langinfo check for better l10n.
759#	This is only relevant for Unix.
760#
761# Arguments:
762#	none
763#
764# Results:
765#
766#	Adds the following arguments to configure:
767#		--enable-langinfo=yes|no (default is yes)
768#
769#	Defines the following vars:
770#		HAVE_LANGINFO	Triggers use of nl_langinfo if defined.
771#
772#------------------------------------------------------------------------
773
774AC_DEFUN([TEA_ENABLE_LANGINFO], [
775    AC_ARG_ENABLE(langinfo,
776	AC_HELP_STRING([--enable-langinfo],
777	    [use nl_langinfo if possible to determine encoding at startup, otherwise use old heuristic (default: on)]),
778	[langinfo_ok=$enableval], [langinfo_ok=yes])
779
780    HAVE_LANGINFO=0
781    if test "$langinfo_ok" = "yes"; then
782	AC_CHECK_HEADER(langinfo.h,[langinfo_ok=yes],[langinfo_ok=no])
783    fi
784    AC_MSG_CHECKING([whether to use nl_langinfo])
785    if test "$langinfo_ok" = "yes"; then
786	AC_CACHE_VAL(tcl_cv_langinfo_h, [
787	    AC_TRY_COMPILE([#include <langinfo.h>], [nl_langinfo(CODESET);],
788		    [tcl_cv_langinfo_h=yes],[tcl_cv_langinfo_h=no])])
789	AC_MSG_RESULT([$tcl_cv_langinfo_h])
790	if test $tcl_cv_langinfo_h = yes; then
791	    AC_DEFINE(HAVE_LANGINFO, 1, [Do we have nl_langinfo()?])
792	fi
793    else
794	AC_MSG_RESULT([$langinfo_ok])
795    fi
796])
797
798#--------------------------------------------------------------------
799# TEA_CONFIG_SYSTEM
800#
801#	Determine what the system is (some things cannot be easily checked
802#	on a feature-driven basis, alas). This can usually be done via the
803#	"uname" command, but there are a few systems, like Next, where
804#	this doesn't work.
805#
806# Arguments:
807#	none
808#
809# Results:
810#	Defines the following var:
811#
812#	system -	System/platform/version identification code.
813#
814#--------------------------------------------------------------------
815
816AC_DEFUN([TEA_CONFIG_SYSTEM], [
817    AC_CACHE_CHECK([system version], tcl_cv_sys_version, [
818	if test "${TEA_PLATFORM}" = "windows" ; then
819	    tcl_cv_sys_version=windows
820	elif test -f /usr/lib/NextStep/software_version; then
821	    tcl_cv_sys_version=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
822	else
823	    tcl_cv_sys_version=`uname -s`-`uname -r`
824	    if test "$?" -ne 0 ; then
825		AC_MSG_WARN([can't find uname command])
826		tcl_cv_sys_version=unknown
827	    else
828		# Special check for weird MP-RAS system (uname returns weird
829		# results, and the version is kept in special file).
830
831		if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then
832		    tcl_cv_sys_version=MP-RAS-`awk '{print $[3]}' /etc/.relid`
833		fi
834		if test "`uname -s`" = "AIX" ; then
835		    tcl_cv_sys_version=AIX-`uname -v`.`uname -r`
836		fi
837	    fi
838	fi
839    ])
840    system=$tcl_cv_sys_version
841])
842
843#--------------------------------------------------------------------
844# TEA_CONFIG_CFLAGS
845#
846#	Try to determine the proper flags to pass to the compiler
847#	for building shared libraries and other such nonsense.
848#
849# Arguments:
850#	none
851#
852# Results:
853#
854#	Defines and substitutes the following vars:
855#
856#       DL_OBJS -       Name of the object file that implements dynamic
857#                       loading for Tcl on this system.
858#       DL_LIBS -       Library file(s) to include in tclsh and other base
859#                       applications in order for the "load" command to work.
860#       LDFLAGS -      Flags to pass to the compiler when linking object
861#                       files into an executable application binary such
862#                       as tclsh.
863#       LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib",
864#                       that tell the run-time dynamic linker where to look
865#                       for shared libraries such as libtcl.so.  Depends on
866#                       the variable LIB_RUNTIME_DIR in the Makefile. Could
867#                       be the same as CC_SEARCH_FLAGS if ${CC} is used to link.
868#       CC_SEARCH_FLAGS-Flags to pass to ${CC}, such as "-Wl,-rpath,/usr/local/tcl/lib",
869#                       that tell the run-time dynamic linker where to look
870#                       for shared libraries such as libtcl.so.  Depends on
871#                       the variable LIB_RUNTIME_DIR in the Makefile.
872#       SHLIB_CFLAGS -  Flags to pass to cc when compiling the components
873#                       of a shared library (may request position-independent
874#                       code, among other things).
875#       SHLIB_LD -      Base command to use for combining object files
876#                       into a shared library.
877#       SHLIB_LD_LIBS - Dependent libraries for the linker to scan when
878#                       creating shared libraries.  This symbol typically
879#                       goes at the end of the "ld" commands that build
880#                       shared libraries. The value of the symbol is
881#                       "${LIBS}" if all of the dependent libraries should
882#                       be specified when creating a shared library.  If
883#                       dependent libraries should not be specified (as on
884#                       SunOS 4.x, where they cause the link to fail, or in
885#                       general if Tcl and Tk aren't themselves shared
886#                       libraries), then this symbol has an empty string
887#                       as its value.
888#       SHLIB_SUFFIX -  Suffix to use for the names of dynamically loadable
889#                       extensions.  An empty string means we don't know how
890#                       to use shared libraries on this platform.
891#       LIB_SUFFIX -    Specifies everything that comes after the "libfoo"
892#                       in a static or shared library name, using the $VERSION variable
893#                       to put the version in the right place.  This is used
894#                       by platforms that need non-standard library names.
895#                       Examples:  ${VERSION}.so.1.1 on NetBSD, since it needs
896#                       to have a version after the .so, and ${VERSION}.a
897#                       on AIX, since a shared library needs to have
898#                       a .a extension whereas shared objects for loadable
899#                       extensions have a .so extension.  Defaults to
900#                       ${VERSION}${SHLIB_SUFFIX}.
901#       TCL_NEEDS_EXP_FILE -
902#                       1 means that an export file is needed to link to a
903#                       shared library.
904#       TCL_EXP_FILE -  The name of the installed export / import file which
905#                       should be used to link to the Tcl shared library.
906#                       Empty if Tcl is unshared.
907#       TCL_BUILD_EXP_FILE -
908#                       The name of the built export / import file which
909#                       should be used to link to the Tcl shared library.
910#                       Empty if Tcl is unshared.
911#	CFLAGS_DEBUG -
912#			Flags used when running the compiler in debug mode
913#	CFLAGS_OPTIMIZE -
914#			Flags used when running the compiler in optimize mode
915#	CFLAGS -	Additional CFLAGS added as necessary (usually 64-bit)
916#
917#--------------------------------------------------------------------
918
919AC_DEFUN([TEA_CONFIG_CFLAGS], [
920    dnl Make sure we are initialized
921    AC_REQUIRE([TEA_INIT])
922
923    # Step 0.a: Enable 64 bit support?
924
925    AC_MSG_CHECKING([if 64bit support is requested])
926    AC_ARG_ENABLE(64bit,
927	AC_HELP_STRING([--enable-64bit],
928	    [enable 64bit support (default: off)]),
929	[do64bit=$enableval], [do64bit=no])
930    AC_MSG_RESULT([$do64bit])
931
932    # Step 0.b: Enable Solaris 64 bit VIS support?
933
934    AC_MSG_CHECKING([if 64bit Sparc VIS support is requested])
935    AC_ARG_ENABLE(64bit-vis,
936	AC_HELP_STRING([--enable-64bit-vis],
937	    [enable 64bit Sparc VIS support (default: off)]),
938	[do64bitVIS=$enableval], [do64bitVIS=no])
939    AC_MSG_RESULT([$do64bitVIS])
940
941    if test "$do64bitVIS" = "yes"; then
942	# Force 64bit on with VIS
943	do64bit=yes
944    fi
945
946    # Step 0.c: Cross-compiling options for Windows/CE builds?
947
948    if test "${TEA_PLATFORM}" = "windows" ; then
949	AC_MSG_CHECKING([if Windows/CE build is requested])
950	AC_ARG_ENABLE(wince,[  --enable-wince          enable Win/CE support (where applicable)], [doWince=$enableval], [doWince=no])
951	AC_MSG_RESULT([$doWince])
952    fi
953
954    # Step 1: set the variable "system" to hold the name and version number
955    # for the system.
956
957    TEA_CONFIG_SYSTEM
958
959    # Step 2: check for existence of -ldl library.  This is needed because
960    # Linux can use either -ldl or -ldld for dynamic loading.
961
962    AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no)
963
964    # Require ranlib early so we can override it in special cases below.
965
966    AC_REQUIRE([AC_PROG_RANLIB])
967
968    # Step 3: set configuration options based on system name and version.
969    # This is similar to Tcl's unix/tcl.m4 except that we've added a
970    # "windows" case.
971
972    do64bit_ok=no
973    LDFLAGS_ORIG="$LDFLAGS"
974    # When ld needs options to work in 64-bit mode, put them in
975    # LDFLAGS_ARCH so they eventually end up in LDFLAGS even if [load]
976    # is disabled by the user. [Bug 1016796]
977    LDFLAGS_ARCH=""
978    TCL_EXPORT_FILE_SUFFIX=""
979    UNSHARED_LIB_SUFFIX=""
980    TCL_TRIM_DOTS='`echo ${PACKAGE_VERSION} | tr -d .`'
981    ECHO_VERSION='`echo ${PACKAGE_VERSION}`'
982    TCL_LIB_VERSIONS_OK=ok
983    CFLAGS_DEBUG=-g
984    CFLAGS_OPTIMIZE=-O
985    if test "$GCC" = "yes" ; then
986	CFLAGS_OPTIMIZE=-O2
987	CFLAGS_WARNING="-Wall -Wno-implicit-int"
988    else
989	CFLAGS_WARNING=""
990    fi
991    TCL_NEEDS_EXP_FILE=0
992    TCL_BUILD_EXP_FILE=""
993    TCL_EXP_FILE=""
994dnl FIXME: Replace AC_CHECK_PROG with AC_CHECK_TOOL once cross compiling is fixed.
995dnl AC_CHECK_TOOL(AR, ar)
996    AC_CHECK_PROG(AR, ar, ar)
997    STLIB_LD='${AR} cr'
998    LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH"
999    case $system in
1000	windows)
1001	    # This is a 2-stage check to make sure we have the 64-bit SDK
1002	    # We have to know where the SDK is installed.
1003	    # This magic is based on MS Platform SDK for Win2003 SP1 - hobbs
1004	    # MACHINE is IX86 for LINK, but this is used by the manifest,
1005	    # which requires x86|amd64|ia64.
1006	    MACHINE="X86"
1007	    if test "$do64bit" != "no" ; then
1008		if test "x${MSSDK}x" = "xx" ; then
1009		    MSSDK="C:/Progra~1/Microsoft Platform SDK"
1010		fi
1011		MSSDK=`echo "$MSSDK" | sed -e  's!\\\!/!g'`
1012		PATH64=""
1013		case "$do64bit" in
1014		    amd64|x64|yes)
1015			MACHINE="AMD64" ; # default to AMD64 64-bit build
1016			PATH64="${MSSDK}/Bin/Win64/x86/AMD64"
1017			;;
1018		    ia64)
1019			MACHINE="IA64"
1020			PATH64="${MSSDK}/Bin/Win64"
1021			;;
1022		esac
1023		if test ! -d "${PATH64}" ; then
1024		    AC_MSG_WARN([Could not find 64-bit $MACHINE SDK to enable 64bit mode])
1025		    AC_MSG_WARN([Ensure latest Platform SDK is installed])
1026		    do64bit="no"
1027		else
1028		    AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
1029		    do64bit_ok="yes"
1030		fi
1031	    fi
1032
1033	    if test "$doWince" != "no" ; then
1034		if test "$do64bit" != "no" ; then
1035		    AC_MSG_ERROR([Windows/CE and 64-bit builds incompatible])
1036		fi
1037		if test "$GCC" = "yes" ; then
1038		    AC_MSG_ERROR([Windows/CE and GCC builds incompatible])
1039		fi
1040		TEA_PATH_CELIB
1041		# Set defaults for common evc4/PPC2003 setup
1042		# Currently Tcl requires 300+, possibly 420+ for sockets
1043		CEVERSION=420; 		# could be 211 300 301 400 420 ...
1044		TARGETCPU=ARMV4;	# could be ARMV4 ARM MIPS SH3 X86 ...
1045		ARCH=ARM;		# could be ARM MIPS X86EM ...
1046		PLATFORM="Pocket PC 2003"; # or "Pocket PC 2002"
1047		if test "$doWince" != "yes"; then
1048		    # If !yes then the user specified something
1049		    # Reset ARCH to allow user to skip specifying it
1050		    ARCH=
1051		    eval `echo $doWince | awk -F, '{ \
1052	    if (length([$]1)) { printf "CEVERSION=\"%s\"\n", [$]1; \
1053	    if ([$]1 < 400)   { printf "PLATFORM=\"Pocket PC 2002\"\n" } }; \
1054	    if (length([$]2)) { printf "TARGETCPU=\"%s\"\n", toupper([$]2) }; \
1055	    if (length([$]3)) { printf "ARCH=\"%s\"\n", toupper([$]3) }; \
1056	    if (length([$]4)) { printf "PLATFORM=\"%s\"\n", [$]4 }; \
1057		    }'`
1058		    if test "x${ARCH}" = "x" ; then
1059			ARCH=$TARGETCPU;
1060		    fi
1061		fi
1062		OSVERSION=WCE$CEVERSION;
1063	    	if test "x${WCEROOT}" = "x" ; then
1064			WCEROOT="C:/Program Files/Microsoft eMbedded C++ 4.0"
1065		    if test ! -d "${WCEROOT}" ; then
1066			WCEROOT="C:/Program Files/Microsoft eMbedded Tools"
1067		    fi
1068		fi
1069		if test "x${SDKROOT}" = "x" ; then
1070		    SDKROOT="C:/Program Files/Windows CE Tools"
1071		    if test ! -d "${SDKROOT}" ; then
1072			SDKROOT="C:/Windows CE Tools"
1073		    fi
1074		fi
1075		WCEROOT=`echo "$WCEROOT" | sed -e 's!\\\!/!g'`
1076		SDKROOT=`echo "$SDKROOT" | sed -e 's!\\\!/!g'`
1077		if test ! -d "${SDKROOT}/${OSVERSION}/${PLATFORM}/Lib/${TARGETCPU}" \
1078		    -o ! -d "${WCEROOT}/EVC/${OSVERSION}/bin"; then
1079		    AC_MSG_ERROR([could not find PocketPC SDK or target compiler to enable WinCE mode [$CEVERSION,$TARGETCPU,$ARCH,$PLATFORM]])
1080		    doWince="no"
1081		else
1082		    # We could PATH_NOSPACE these, but that's not important,
1083		    # as long as we quote them when used.
1084		    CEINCLUDE="${SDKROOT}/${OSVERSION}/${PLATFORM}/include"
1085		    if test -d "${CEINCLUDE}/${TARGETCPU}" ; then
1086			CEINCLUDE="${CEINCLUDE}/${TARGETCPU}"
1087		    fi
1088		    CELIBPATH="${SDKROOT}/${OSVERSION}/${PLATFORM}/Lib/${TARGETCPU}"
1089    		fi
1090	    fi
1091
1092	    if test "$GCC" != "yes" ; then
1093	        if test "${SHARED_BUILD}" = "0" ; then
1094		    runtime=-MT
1095	        else
1096		    runtime=-MD
1097	        fi
1098
1099                if test "$do64bit" != "no" ; then
1100		    # All this magic is necessary for the Win64 SDK RC1 - hobbs
1101		    CC="\"${PATH64}/cl.exe\""
1102		    CFLAGS="${CFLAGS} -I\"${MSSDK}/Include\" -I\"${MSSDK}/Include/crt\" -I\"${MSSDK}/Include/crt/sys\""
1103		    RC="\"${MSSDK}/bin/rc.exe\""
1104		    lflags="-nologo -MACHINE:${MACHINE} -LIBPATH:\"${MSSDK}/Lib/${MACHINE}\""
1105		    LINKBIN="\"${PATH64}/link.exe\""
1106		    CFLAGS_DEBUG="-nologo -Zi -Od -W3 ${runtime}d"
1107		    CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
1108		    # Avoid 'unresolved external symbol __security_cookie'
1109		    # errors, c.f. http://support.microsoft.com/?id=894573
1110		    TEA_ADD_LIBS([bufferoverflowU.lib])
1111		elif test "$doWince" != "no" ; then
1112		    CEBINROOT="${WCEROOT}/EVC/${OSVERSION}/bin"
1113		    if test "${TARGETCPU}" = "X86"; then
1114			CC="\"${CEBINROOT}/cl.exe\""
1115		    else
1116			CC="\"${CEBINROOT}/cl${ARCH}.exe\""
1117		    fi
1118		    CFLAGS="$CFLAGS -I\"${CELIB_DIR}/inc\" -I\"${CEINCLUDE}\""
1119		    RC="\"${WCEROOT}/Common/EVC/bin/rc.exe\""
1120		    arch=`echo ${ARCH} | awk '{print tolower([$]0)}'`
1121		    defs="${ARCH} _${ARCH}_ ${arch} PALM_SIZE _MT _WINDOWS"
1122		    if test "${SHARED_BUILD}" = "1" ; then
1123			# Static CE builds require static celib as well
1124		    	defs="${defs} _DLL"
1125		    fi
1126		    for i in $defs ; do
1127			AC_DEFINE_UNQUOTED($i, 1, [WinCE def ]$i)
1128		    done
1129		    AC_DEFINE_UNQUOTED(_WIN32_WCE, $CEVERSION, [_WIN32_WCE version])
1130		    AC_DEFINE_UNQUOTED(UNDER_CE, $CEVERSION, [UNDER_CE version])
1131		    CFLAGS_DEBUG="-nologo -Zi -Od"
1132		    CFLAGS_OPTIMIZE="-nologo -Ox"
1133		    lversion=`echo ${CEVERSION} | sed -e 's/\(.\)\(..\)/\1\.\2/'`
1134		    lflags="-MACHINE:${ARCH} -LIBPATH:\"${CELIBPATH}\" -subsystem:windowsce,${lversion} -nologo"
1135		    LINKBIN="\"${CEBINROOT}/link.exe\""
1136		    AC_SUBST(CELIB_DIR)
1137		else
1138		    RC="rc"
1139		    lflags="-nologo"
1140    		    LINKBIN="link"
1141		    CFLAGS_DEBUG="-nologo -Z7 -Od -W3 -WX ${runtime}d"
1142		    CFLAGS_OPTIMIZE="-nologo -O2 -W2 ${runtime}"
1143		fi
1144	    fi
1145
1146	    if test "$GCC" = "yes"; then
1147		# mingw gcc mode
1148		RC="windres"
1149		CFLAGS_DEBUG="-g"
1150		CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
1151		SHLIB_LD="$CC -shared"
1152		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1153		LDFLAGS_CONSOLE="-wl,--subsystem,console ${lflags}"
1154		LDFLAGS_WINDOW="-wl,--subsystem,windows ${lflags}"
1155	    else
1156		SHLIB_LD="${LINKBIN} -dll ${lflags}"
1157		# link -lib only works when -lib is the first arg
1158		STLIB_LD="${LINKBIN} -lib ${lflags}"
1159		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.lib'
1160		PATHTYPE=-w
1161		# For information on what debugtype is most useful, see:
1162		# http://msdn.microsoft.com/library/en-us/dnvc60/html/gendepdebug.asp
1163		# This essentially turns it all on.
1164		LDFLAGS_DEBUG="-debug:full -debugtype:both -warn:2"
1165		LDFLAGS_OPTIMIZE="-release"
1166		if test "$doWince" != "no" ; then
1167		    LDFLAGS_CONSOLE="-link ${lflags}"
1168		    LDFLAGS_WINDOW=${LDFLAGS_CONSOLE}
1169		else
1170		    LDFLAGS_CONSOLE="-link -subsystem:console ${lflags}"
1171		    LDFLAGS_WINDOW="-link -subsystem:windows ${lflags}"
1172		fi
1173	    fi
1174
1175	    SHLIB_LD_LIBS='${LIBS}'
1176	    SHLIB_SUFFIX=".dll"
1177	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.dll'
1178
1179	    TCL_LIB_VERSIONS_OK=nodots
1180	    # Bogus to avoid getting this turned off
1181	    DL_OBJS="tclLoadNone.obj"
1182    	    ;;
1183	AIX-*)
1184	    if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
1185		# AIX requires the _r compiler when gcc isn't being used
1186		case "${CC}" in
1187		    *_r)
1188			# ok ...
1189			;;
1190		    *)
1191			CC=${CC}_r
1192			;;
1193		esac
1194		AC_MSG_RESULT([Using $CC for compiling with threads])
1195	    fi
1196	    LIBS="$LIBS -lc"
1197	    SHLIB_CFLAGS=""
1198	    SHLIB_LD_LIBS='${LIBS}'
1199	    SHLIB_SUFFIX=".so"
1200
1201	    DL_OBJS="tclLoadDl.o"
1202	    LD_LIBRARY_PATH_VAR="LIBPATH"
1203
1204	    # Check to enable 64-bit flags for compiler/linker on AIX 4+
1205	    if test "$do64bit" = "yes" -a "`uname -v`" -gt "3" ; then
1206		if test "$GCC" = "yes" ; then
1207		    AC_MSG_WARN([64bit mode not supported with GCC on $system])
1208		else
1209		    do64bit_ok=yes
1210		    CFLAGS="$CFLAGS -q64"
1211		    LDFLAGS_ARCH="-q64"
1212		    RANLIB="${RANLIB} -X64"
1213		    AR="${AR} -X64"
1214		    SHLIB_LD_FLAGS="-b64"
1215		fi
1216	    fi
1217
1218	    if test "`uname -m`" = "ia64" ; then
1219		# AIX-5 uses ELF style dynamic libraries on IA-64, but not PPC
1220		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
1221		# AIX-5 has dl* in libc.so
1222		DL_LIBS=""
1223		if test "$GCC" = "yes" ; then
1224		    CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1225		else
1226		    CC_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
1227		fi
1228		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
1229	    else
1230		if test "$GCC" = "yes" ; then
1231		    SHLIB_LD="gcc -shared"
1232		else
1233		    SHLIB_LD="/bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry"
1234		fi
1235		SHLIB_LD="${TCL_SRC_DIR}/unix/ldAix ${SHLIB_LD} ${SHLIB_LD_FLAGS}"
1236		DL_LIBS="-ldl"
1237		CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
1238		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1239		TCL_NEEDS_EXP_FILE=1
1240		TCL_EXPORT_FILE_SUFFIX='${PACKAGE_VERSION}.exp'
1241	    fi
1242
1243	    # AIX v<=4.1 has some different flags than 4.2+
1244	    if test "$system" = "AIX-4.1" -o "`uname -v`" -lt "4" ; then
1245		AC_LIBOBJ([tclLoadAix])
1246		DL_LIBS="-lld"
1247	    fi
1248
1249	    # On AIX <=v4 systems, libbsd.a has to be linked in to support
1250	    # non-blocking file IO.  This library has to be linked in after
1251	    # the MATH_LIBS or it breaks the pow() function.  The way to
1252	    # insure proper sequencing, is to add it to the tail of MATH_LIBS.
1253	    # This library also supplies gettimeofday.
1254	    #
1255	    # AIX does not have a timezone field in struct tm. When the AIX
1256	    # bsd library is used, the timezone global and the gettimeofday
1257	    # methods are to be avoided for timezone deduction instead, we
1258	    # deduce the timezone by comparing the localtime result on a
1259	    # known GMT value.
1260
1261	    AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes, libbsd=no)
1262	    if test $libbsd = yes; then
1263	    	MATH_LIBS="$MATH_LIBS -lbsd"
1264	    	AC_DEFINE(USE_DELTA_FOR_TZ, 1, [Do we need a special AIX hack for timezones?])
1265	    fi
1266	    ;;
1267	BeOS*)
1268	    SHLIB_CFLAGS="-fPIC"
1269	    SHLIB_LD="${CC} -nostart"
1270	    SHLIB_LD_LIBS='${LIBS}'
1271	    SHLIB_SUFFIX=".so"
1272	    DL_OBJS="tclLoadDl.o"
1273	    DL_LIBS="-ldl"
1274
1275	    #-----------------------------------------------------------
1276	    # Check for inet_ntoa in -lbind, for BeOS (which also needs
1277	    # -lsocket, even if the network functions are in -lnet which
1278	    # is always linked to, for compatibility.
1279	    #-----------------------------------------------------------
1280	    AC_CHECK_LIB(bind, inet_ntoa, [LIBS="$LIBS -lbind -lsocket"])
1281	    ;;
1282	BSD/OS-2.1*|BSD/OS-3*)
1283	    SHLIB_CFLAGS=""
1284	    SHLIB_LD="shlicc -r"
1285	    SHLIB_LD_LIBS='${LIBS}'
1286	    SHLIB_SUFFIX=".so"
1287	    DL_OBJS="tclLoadDl.o"
1288	    DL_LIBS="-ldl"
1289	    CC_SEARCH_FLAGS=""
1290	    LD_SEARCH_FLAGS=""
1291	    ;;
1292	BSD/OS-4.*)
1293	    SHLIB_CFLAGS="-export-dynamic -fPIC"
1294	    SHLIB_LD="cc -shared"
1295	    SHLIB_LD_LIBS='${LIBS}'
1296	    SHLIB_SUFFIX=".so"
1297	    DL_OBJS="tclLoadDl.o"
1298	    DL_LIBS="-ldl"
1299	    LDFLAGS="$LDFLAGS -export-dynamic"
1300	    CC_SEARCH_FLAGS=""
1301	    LD_SEARCH_FLAGS=""
1302	    ;;
1303	dgux*)
1304	    SHLIB_CFLAGS="-K PIC"
1305	    SHLIB_LD="cc -G"
1306	    SHLIB_LD_LIBS=""
1307	    SHLIB_SUFFIX=".so"
1308	    DL_OBJS="tclLoadDl.o"
1309	    DL_LIBS="-ldl"
1310	    CC_SEARCH_FLAGS=""
1311	    LD_SEARCH_FLAGS=""
1312	    ;;
1313	HP-UX-*.11.*)
1314	    # Use updated header definitions where possible
1315	    AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Do we want to use the XOPEN network library?])
1316	    # Needed by Tcl, but not most extensions
1317	    #AC_DEFINE(_XOPEN_SOURCE, 1, [Do we want to use the XOPEN network library?])
1318	    #LIBS="$LIBS -lxnet"               # Use the XOPEN network library
1319
1320	    if test "`uname -m`" = "ia64" ; then
1321		SHLIB_SUFFIX=".so"
1322	    else
1323		SHLIB_SUFFIX=".sl"
1324	    fi
1325	    AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
1326	    if test "$tcl_ok" = yes; then
1327		SHLIB_CFLAGS="+z"
1328		SHLIB_LD="ld -b"
1329		SHLIB_LD_LIBS='${LIBS}'
1330		DL_OBJS="tclLoadShl.o"
1331		DL_LIBS="-ldld"
1332		LDFLAGS="$LDFLAGS -Wl,-E"
1333		CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
1334		LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
1335		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
1336	    fi
1337	    if test "$GCC" = "yes" ; then
1338		SHLIB_LD="gcc -shared"
1339		SHLIB_LD_LIBS='${LIBS}'
1340		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1341	    fi
1342
1343	    # Users may want PA-RISC 1.1/2.0 portable code - needs HP cc
1344	    #CFLAGS="$CFLAGS +DAportable"
1345
1346	    # Check to enable 64-bit flags for compiler/linker
1347	    if test "$do64bit" = "yes" ; then
1348		if test "$GCC" = "yes" ; then
1349		    hpux_arch=`${CC} -dumpmachine`
1350		    case $hpux_arch in
1351			hppa64*)
1352			    # 64-bit gcc in use.  Fix flags for GNU ld.
1353			    do64bit_ok=yes
1354			    SHLIB_LD="${CC} -shared"
1355			    SHLIB_LD_LIBS='${LIBS}'
1356			    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1357			    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1358			    ;;
1359			*)
1360			    AC_MSG_WARN([64bit mode not supported with GCC on $system])
1361			    ;;
1362		    esac
1363		else
1364		    do64bit_ok=yes
1365		    CFLAGS="$CFLAGS +DD64"
1366		    LDFLAGS_ARCH="+DD64"
1367		fi
1368	    fi
1369	    ;;
1370	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
1371	    SHLIB_SUFFIX=".sl"
1372	    AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
1373	    if test "$tcl_ok" = yes; then
1374		SHLIB_CFLAGS="+z"
1375		SHLIB_LD="ld -b"
1376		SHLIB_LD_LIBS=""
1377		DL_OBJS="tclLoadShl.o"
1378		DL_LIBS="-ldld"
1379		LDFLAGS="$LDFLAGS -Wl,-E"
1380		CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
1381		LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
1382		LD_LIBRARY_PATH_VAR="SHLIB_PATH"
1383	    fi
1384	    ;;
1385	IRIX-5.*)
1386	    SHLIB_CFLAGS=""
1387	    SHLIB_LD="ld -shared -rdata_shared"
1388	    SHLIB_LD_LIBS='${LIBS}'
1389	    SHLIB_SUFFIX=".so"
1390	    DL_OBJS="tclLoadDl.o"
1391	    DL_LIBS=""
1392	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1393	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1394	    ;;
1395	IRIX-6.*)
1396	    SHLIB_CFLAGS=""
1397	    SHLIB_LD="ld -n32 -shared -rdata_shared"
1398	    SHLIB_LD_LIBS='${LIBS}'
1399	    SHLIB_SUFFIX=".so"
1400	    DL_OBJS="tclLoadDl.o"
1401	    DL_LIBS=""
1402	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1403	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1404	    if test "$GCC" = "yes" ; then
1405		CFLAGS="$CFLAGS -mabi=n32"
1406		LDFLAGS="$LDFLAGS -mabi=n32"
1407	    else
1408		case $system in
1409		    IRIX-6.3)
1410			# Use to build 6.2 compatible binaries on 6.3.
1411			CFLAGS="$CFLAGS -n32 -D_OLD_TERMIOS"
1412			;;
1413		    *)
1414			CFLAGS="$CFLAGS -n32"
1415			;;
1416		esac
1417		LDFLAGS="$LDFLAGS -n32"
1418	    fi
1419	    ;;
1420	IRIX64-6.*)
1421	    SHLIB_CFLAGS=""
1422	    SHLIB_LD="ld -n32 -shared -rdata_shared"
1423	    SHLIB_LD_LIBS='${LIBS}'
1424	    SHLIB_SUFFIX=".so"
1425	    DL_OBJS="tclLoadDl.o"
1426	    DL_LIBS=""
1427	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1428	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1429
1430	    # Check to enable 64-bit flags for compiler/linker
1431
1432	    if test "$do64bit" = "yes" ; then
1433	        if test "$GCC" = "yes" ; then
1434	            AC_MSG_WARN([64bit mode not supported by gcc])
1435	        else
1436	            do64bit_ok=yes
1437	            SHLIB_LD="ld -64 -shared -rdata_shared"
1438	            CFLAGS="$CFLAGS -64"
1439	            LDFLAGS_ARCH="-64"
1440	        fi
1441	    fi
1442	    ;;
1443	Linux*)
1444	    SHLIB_CFLAGS="-fPIC"
1445	    SHLIB_LD_LIBS='${LIBS}'
1446	    SHLIB_SUFFIX=".so"
1447
1448	    CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
1449	    # egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings
1450	    # when you inline the string and math operations.  Turn this off to
1451	    # get rid of the warnings.
1452	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
1453
1454	    # TEA specific: use LDFLAGS_DEFAULT instead of LDFLAGS here:
1455	    SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS_DEFAULT}'
1456	    DL_OBJS="tclLoadDl.o"
1457	    DL_LIBS="-ldl"
1458	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
1459	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1460	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1461	    if test "`uname -m`" = "alpha" ; then
1462		CFLAGS="$CFLAGS -mieee"
1463	    fi
1464	    if test $do64bit = yes; then
1465		AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
1466		    hold_cflags=$CFLAGS
1467		    CFLAGS="$CFLAGS -m64"
1468		    AC_TRY_LINK(,, tcl_cv_cc_m64=yes, tcl_cv_cc_m64=no)
1469		    CFLAGS=$hold_cflags])
1470		if test $tcl_cv_cc_m64 = yes; then
1471		    CFLAGS="$CFLAGS -m64"
1472		    do64bit_ok=yes
1473		fi
1474	    fi
1475
1476	    # The combo of gcc + glibc has a bug related
1477	    # to inlining of functions like strtod(). The
1478	    # -fno-builtin flag should address this problem
1479	    # but it does not work. The -fno-inline flag
1480	    # is kind of overkill but it works.
1481	    # Disable inlining only when one of the
1482	    # files in compat/*.c is being linked in.
1483	    if test x"${USE_COMPAT}" != x ; then
1484	        CFLAGS="$CFLAGS -fno-inline"
1485	    fi
1486
1487	    ;;
1488	GNU*)
1489	    SHLIB_CFLAGS="-fPIC"
1490	    SHLIB_LD_LIBS='${LIBS}'
1491	    SHLIB_SUFFIX=".so"
1492
1493	    SHLIB_LD="${CC} -shared"
1494	    DL_OBJS=""
1495	    DL_LIBS="-ldl"
1496	    LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
1497	    CC_SEARCH_FLAGS=""
1498	    LD_SEARCH_FLAGS=""
1499	    if test "`uname -m`" = "alpha" ; then
1500		CFLAGS="$CFLAGS -mieee"
1501	    fi
1502	    ;;
1503	Lynx*)
1504	    SHLIB_CFLAGS="-fPIC"
1505	    SHLIB_LD_LIBS='${LIBS}'
1506	    SHLIB_SUFFIX=".so"
1507	    CFLAGS_OPTIMIZE=-02
1508	    SHLIB_LD="${CC} -shared "
1509	    DL_OBJS="tclLoadDl.o"
1510	    DL_LIBS="-mshared -ldl"
1511	    LD_FLAGS="-Wl,--export-dynamic"
1512	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1513	    LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1514	    ;;
1515	MP-RAS-02*)
1516	    SHLIB_CFLAGS="-K PIC"
1517	    SHLIB_LD="cc -G"
1518	    SHLIB_LD_LIBS=""
1519	    SHLIB_SUFFIX=".so"
1520	    DL_OBJS="tclLoadDl.o"
1521	    DL_LIBS="-ldl"
1522	    CC_SEARCH_FLAGS=""
1523	    LD_SEARCH_FLAGS=""
1524	    ;;
1525	MP-RAS-*)
1526	    SHLIB_CFLAGS="-K PIC"
1527	    SHLIB_LD="cc -G"
1528	    SHLIB_LD_LIBS=""
1529	    SHLIB_SUFFIX=".so"
1530	    DL_OBJS="tclLoadDl.o"
1531	    DL_LIBS="-ldl"
1532	    LDFLAGS="$LDFLAGS -Wl,-Bexport"
1533	    CC_SEARCH_FLAGS=""
1534	    LD_SEARCH_FLAGS=""
1535	    ;;
1536	NetBSD-*|FreeBSD-[[1-2]].*)
1537	    # NetBSD/SPARC needs -fPIC, -fpic will not do.
1538	    SHLIB_CFLAGS="-fPIC"
1539	    SHLIB_LD="ld -Bshareable -x"
1540	    SHLIB_LD_LIBS='${LIBS}'
1541	    SHLIB_SUFFIX=".so"
1542	    DL_OBJS="tclLoadDl.o"
1543	    DL_LIBS=""
1544	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1545	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1546	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
1547		AC_EGREP_CPP(yes, [
1548#ifdef __ELF__
1549	yes
1550#endif
1551		], tcl_cv_ld_elf=yes, tcl_cv_ld_elf=no)])
1552	    if test $tcl_cv_ld_elf = yes; then
1553		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
1554	    else
1555		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
1556	    fi
1557
1558	    # Ancient FreeBSD doesn't handle version numbers with dots.
1559
1560	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1561	    TCL_LIB_VERSIONS_OK=nodots
1562	    ;;
1563	OpenBSD-*)
1564	    # OpenBSD/SPARC[64] needs -fPIC, -fpic will not do.
1565	    case `machine` in
1566	    sparc|sparc64)
1567		SHLIB_CFLAGS="-fPIC";;
1568	    *)
1569		SHLIB_CFLAGS="-fpic";;
1570	    esac
1571	    SHLIB_LD="${CC} -shared ${SHLIB_CFLAGS}"
1572	    SHLIB_LD_LIBS='${LIBS}'
1573	    SHLIB_SUFFIX=".so"
1574	    DL_OBJS="tclLoadDl.o"
1575	    DL_LIBS=""
1576	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1577	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1578	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
1579	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
1580		AC_EGREP_CPP(yes, [
1581#ifdef __ELF__
1582	yes
1583#endif
1584		], tcl_cv_ld_elf=yes, tcl_cv_ld_elf=no)])
1585	    if test $tcl_cv_ld_elf = yes; then
1586		LDFLAGS=-Wl,-export-dynamic
1587	    else
1588		LDFLAGS=""
1589	    fi
1590
1591	    # OpenBSD doesn't do version numbers with dots.
1592	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1593	    TCL_LIB_VERSIONS_OK=nodots
1594	    ;;
1595	FreeBSD-*)
1596	    # FreeBSD 3.* and greater have ELF.
1597	    SHLIB_CFLAGS="-fPIC"
1598	    SHLIB_LD="ld -Bshareable -x"
1599	    SHLIB_LD_LIBS='${LIBS}'
1600	    SHLIB_SUFFIX=".so"
1601	    DL_OBJS="tclLoadDl.o"
1602	    DL_LIBS=""
1603	    LDFLAGS="$LDFLAGS -export-dynamic"
1604	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1605	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1606	    if test "${TCL_THREADS}" = "1" ; then
1607		# The -pthread needs to go in the CFLAGS, not LIBS
1608		LIBS=`echo $LIBS | sed s/-pthread//`
1609		CFLAGS="$CFLAGS -pthread"
1610	    	LDFLAGS="$LDFLAGS -pthread"
1611	    fi
1612	    case $system in
1613	    FreeBSD-3.*)
1614	    	# FreeBSD-3 doesn't handle version numbers with dots.
1615	    	UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1616	    	SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
1617	    	TCL_LIB_VERSIONS_OK=nodots
1618		;;
1619	    esac
1620	    ;;
1621	Darwin-*)
1622	    CFLAGS_OPTIMIZE="-Os"
1623	    SHLIB_CFLAGS="-fno-common"
1624	    # To avoid discrepancies between what headers configure sees during
1625	    # preprocessing tests and compiling tests, move any -isysroot and
1626	    # -mmacosx-version-min flags from CFLAGS to CPPFLAGS:
1627	    CPPFLAGS="${CPPFLAGS} `echo " ${CFLAGS}" | \
1628		awk 'BEGIN {FS=" +-";ORS=" "}; {for (i=2;i<=NF;i++) \
1629		if ([$]i~/^(isysroot|mmacosx-version-min)/) print "-"[$]i}'`"
1630	    CFLAGS="`echo " ${CFLAGS}" | \
1631		awk 'BEGIN {FS=" +-";ORS=" "}; {for (i=2;i<=NF;i++) \
1632		if (!([$]i~/^(isysroot|mmacosx-version-min)/)) print "-"[$]i}'`"
1633	    if test $do64bit = yes; then
1634		case `arch` in
1635		    ppc)
1636			AC_CACHE_CHECK([if compiler accepts -arch ppc64 flag],
1637				tcl_cv_cc_arch_ppc64, [
1638			    hold_cflags=$CFLAGS
1639			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
1640			    AC_TRY_LINK(,, tcl_cv_cc_arch_ppc64=yes,
1641				    tcl_cv_cc_arch_ppc64=no)
1642			    CFLAGS=$hold_cflags])
1643			if test $tcl_cv_cc_arch_ppc64 = yes; then
1644			    CFLAGS="$CFLAGS -arch ppc64 -mpowerpc64 -mcpu=G5"
1645			    do64bit_ok=yes
1646			fi;;
1647		    i386)
1648			AC_CACHE_CHECK([if compiler accepts -arch x86_64 flag],
1649				tcl_cv_cc_arch_x86_64, [
1650			    hold_cflags=$CFLAGS
1651			    CFLAGS="$CFLAGS -arch x86_64"
1652			    AC_TRY_LINK(,, tcl_cv_cc_arch_x86_64=yes,
1653				    tcl_cv_cc_arch_x86_64=no)
1654			    CFLAGS=$hold_cflags])
1655			if test $tcl_cv_cc_arch_x86_64 = yes; then
1656			    CFLAGS="$CFLAGS -arch x86_64"
1657			    do64bit_ok=yes
1658			fi;;
1659		    *)
1660			AC_MSG_WARN([Don't know how enable 64-bit on architecture `arch`]);;
1661		esac
1662	    else
1663		# Check for combined 32-bit and 64-bit fat build
1664		echo "$CFLAGS " | grep -E -q -- '-arch (ppc64|x86_64) ' && \
1665		    echo "$CFLAGS " | grep -E -q -- '-arch (ppc|i386) ' && \
1666		    fat_32_64=yes
1667	    fi
1668	    # TEA specific: use LDFLAGS_DEFAULT instead of LDFLAGS here:
1669	    SHLIB_LD='${CC} -dynamiclib ${CFLAGS} ${LDFLAGS_DEFAULT}'
1670	    AC_CACHE_CHECK([if ld accepts -single_module flag], tcl_cv_ld_single_module, [
1671		hold_ldflags=$LDFLAGS
1672		LDFLAGS="$LDFLAGS -dynamiclib -Wl,-single_module"
1673		AC_TRY_LINK(, [int i;], tcl_cv_ld_single_module=yes, tcl_cv_ld_single_module=no)
1674		LDFLAGS=$hold_ldflags])
1675	    if test $tcl_cv_ld_single_module = yes; then
1676		SHLIB_LD="${SHLIB_LD} -Wl,-single_module"
1677	    fi
1678	    SHLIB_LD_LIBS='${LIBS}'
1679	    SHLIB_SUFFIX=".dylib"
1680	    DL_OBJS="tclLoadDyld.o"
1681	    DL_LIBS=""
1682	    # Don't use -prebind when building for Mac OS X 10.4 or later only:
1683	    test "`echo "${MACOSX_DEPLOYMENT_TARGET}" | awk -F '10\\.' '{print int([$]2)}'`" -lt 4 -a \
1684		"`echo "${CFLAGS}" | awk -F '-mmacosx-version-min=10\\.' '{print int([$]2)}'`" -lt 4 && \
1685		LDFLAGS="$LDFLAGS -prebind"
1686	    LDFLAGS="$LDFLAGS -headerpad_max_install_names"
1687	    AC_CACHE_CHECK([if ld accepts -search_paths_first flag], tcl_cv_ld_search_paths_first, [
1688		hold_ldflags=$LDFLAGS
1689		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
1690		AC_TRY_LINK(, [int i;], tcl_cv_ld_search_paths_first=yes, tcl_cv_ld_search_paths_first=no)
1691		LDFLAGS=$hold_ldflags])
1692	    if test $tcl_cv_ld_search_paths_first = yes; then
1693		LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
1694	    fi
1695	    CC_SEARCH_FLAGS=""
1696	    LD_SEARCH_FLAGS=""
1697	    LD_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH"
1698
1699	    # TEA specific: for Tk extensions, remove 64-bit arch flags from
1700	    # CFLAGS for combined 32-bit and 64-bit fat builds as neither TkAqua
1701	    # nor TkX11 can be built for 64-bit at present.
1702	    test "$fat_32_64" = yes && test -n "${TK_BIN_DIR}" && \
1703		CFLAGS="`echo "$CFLAGS " | sed -e 's/-arch ppc64 / /g' -e 's/-arch x86_64 / /g'`"
1704	    ;;
1705	NEXTSTEP-*)
1706	    SHLIB_CFLAGS=""
1707	    SHLIB_LD="cc -nostdlib -r"
1708	    SHLIB_LD_LIBS=""
1709	    SHLIB_SUFFIX=".so"
1710	    DL_OBJS="tclLoadNext.o"
1711	    DL_LIBS=""
1712	    CC_SEARCH_FLAGS=""
1713	    LD_SEARCH_FLAGS=""
1714	    ;;
1715	OS/390-*)
1716	    CFLAGS_OPTIMIZE=""		# Optimizer is buggy
1717	    AC_DEFINE(_OE_SOCKETS, 1,	# needed in sys/socket.h
1718		[Should OS/390 do the right thing with sockets?])
1719	    ;;
1720	OSF1-1.0|OSF1-1.1|OSF1-1.2)
1721	    # OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
1722	    SHLIB_CFLAGS=""
1723	    # Hack: make package name same as library name
1724	    SHLIB_LD='ld -R -export $@:'
1725	    SHLIB_LD_LIBS=""
1726	    SHLIB_SUFFIX=".so"
1727	    DL_OBJS="tclLoadOSF.o"
1728	    DL_LIBS=""
1729	    CC_SEARCH_FLAGS=""
1730	    LD_SEARCH_FLAGS=""
1731	    ;;
1732	OSF1-1.*)
1733	    # OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
1734	    SHLIB_CFLAGS="-fPIC"
1735	    if test "$SHARED_BUILD" = "1" ; then
1736	        SHLIB_LD="ld -shared"
1737	    else
1738	        SHLIB_LD="ld -non_shared"
1739	    fi
1740	    SHLIB_LD_LIBS=""
1741	    SHLIB_SUFFIX=".so"
1742	    DL_OBJS="tclLoadDl.o"
1743	    DL_LIBS=""
1744	    CC_SEARCH_FLAGS=""
1745	    LD_SEARCH_FLAGS=""
1746	    ;;
1747	OSF1-V*)
1748	    # Digital OSF/1
1749	    SHLIB_CFLAGS=""
1750	    if test "$SHARED_BUILD" = "1" ; then
1751	        SHLIB_LD='ld -shared -expect_unresolved "*"'
1752	    else
1753	        SHLIB_LD='ld -non_shared -expect_unresolved "*"'
1754	    fi
1755	    SHLIB_LD_LIBS=""
1756	    SHLIB_SUFFIX=".so"
1757	    DL_OBJS="tclLoadDl.o"
1758	    DL_LIBS=""
1759	    CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
1760	    LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
1761	    if test "$GCC" = "yes" ; then
1762		CFLAGS="$CFLAGS -mieee"
1763            else
1764		CFLAGS="$CFLAGS -DHAVE_TZSET -std1 -ieee"
1765	    fi
1766	    # see pthread_intro(3) for pthread support on osf1, k.furukawa
1767	    if test "${TCL_THREADS}" = "1" ; then
1768		CFLAGS="$CFLAGS -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
1769		CFLAGS="$CFLAGS -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
1770		LIBS=`echo $LIBS | sed s/-lpthreads//`
1771		if test "$GCC" = "yes" ; then
1772		    LIBS="$LIBS -lpthread -lmach -lexc"
1773		else
1774		    CFLAGS="$CFLAGS -pthread"
1775		    LDFLAGS="$LDFLAGS -pthread"
1776		fi
1777	    fi
1778
1779	    ;;
1780	QNX-6*)
1781	    # QNX RTP
1782	    # This may work for all QNX, but it was only reported for v6.
1783	    SHLIB_CFLAGS="-fPIC"
1784	    SHLIB_LD="ld -Bshareable -x"
1785	    SHLIB_LD_LIBS=""
1786	    SHLIB_SUFFIX=".so"
1787	    DL_OBJS="tclLoadDl.o"
1788	    # dlopen is in -lc on QNX
1789	    DL_LIBS=""
1790	    CC_SEARCH_FLAGS=""
1791	    LD_SEARCH_FLAGS=""
1792	    ;;
1793	SCO_SV-3.2*)
1794	    # Note, dlopen is available only on SCO 3.2.5 and greater. However,
1795	    # this test works, since "uname -s" was non-standard in 3.2.4 and
1796	    # below.
1797	    if test "$GCC" = "yes" ; then
1798	    	SHLIB_CFLAGS="-fPIC -melf"
1799	    	LDFLAGS="$LDFLAGS -melf -Wl,-Bexport"
1800	    else
1801	    	SHLIB_CFLAGS="-Kpic -belf"
1802	    	LDFLAGS="$LDFLAGS -belf -Wl,-Bexport"
1803	    fi
1804	    SHLIB_LD="ld -G"
1805	    SHLIB_LD_LIBS=""
1806	    SHLIB_SUFFIX=".so"
1807	    DL_OBJS="tclLoadDl.o"
1808	    DL_LIBS=""
1809	    CC_SEARCH_FLAGS=""
1810	    LD_SEARCH_FLAGS=""
1811	    ;;
1812	SINIX*5.4*)
1813	    SHLIB_CFLAGS="-K PIC"
1814	    SHLIB_LD="cc -G"
1815	    SHLIB_LD_LIBS=""
1816	    SHLIB_SUFFIX=".so"
1817	    DL_OBJS="tclLoadDl.o"
1818	    DL_LIBS="-ldl"
1819	    CC_SEARCH_FLAGS=""
1820	    LD_SEARCH_FLAGS=""
1821	    ;;
1822	SunOS-4*)
1823	    SHLIB_CFLAGS="-PIC"
1824	    SHLIB_LD="ld"
1825	    SHLIB_LD_LIBS=""
1826	    SHLIB_SUFFIX=".so"
1827	    DL_OBJS="tclLoadDl.o"
1828	    DL_LIBS="-ldl"
1829	    CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
1830	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1831
1832	    # SunOS can't handle version numbers with dots in them in library
1833	    # specs, like -ltcl7.5, so use -ltcl75 instead.  Also, it
1834	    # requires an extra version number at the end of .so file names.
1835	    # So, the library has to have a name like libtcl75.so.1.0
1836
1837	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
1838	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
1839	    TCL_LIB_VERSIONS_OK=nodots
1840	    ;;
1841	SunOS-5.[[0-6]])
1842	    # Careful to not let 5.10+ fall into this case
1843
1844	    # Note: If _REENTRANT isn't defined, then Solaris
1845	    # won't define thread-safe library routines.
1846
1847	    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
1848	    AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
1849		[Do we really want to follow the standard? Yes we do!])
1850
1851	    SHLIB_CFLAGS="-KPIC"
1852
1853	    # Note: need the LIBS below, otherwise Tk won't find Tcl's
1854	    # symbols when dynamically loaded into tclsh.
1855
1856	    SHLIB_LD_LIBS='${LIBS}'
1857	    SHLIB_SUFFIX=".so"
1858	    DL_OBJS="tclLoadDl.o"
1859	    DL_LIBS="-ldl"
1860	    if test "$GCC" = "yes" ; then
1861		SHLIB_LD="$CC -shared"
1862		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1863		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1864	    else
1865		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
1866		CC_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
1867		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1868	    fi
1869	    ;;
1870	SunOS-5*)
1871	    # Note: If _REENTRANT isn't defined, then Solaris
1872	    # won't define thread-safe library routines.
1873
1874	    AC_DEFINE(_REENTRANT, 1, [Do we want the reentrant OS API?])
1875	    AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1,
1876		[Do we really want to follow the standard? Yes we do!])
1877
1878	    SHLIB_CFLAGS="-KPIC"
1879
1880	    # Check to enable 64-bit flags for compiler/linker
1881	    if test "$do64bit" = "yes" ; then
1882		arch=`isainfo`
1883		if test "$arch" = "sparcv9 sparc" ; then
1884			if test "$GCC" = "yes" ; then
1885			    if test "`gcc -dumpversion | awk -F. '{print [$]1}'`" -lt "3" ; then
1886				AC_MSG_WARN([64bit mode not supported with GCC < 3.2 on $system])
1887			    else
1888				do64bit_ok=yes
1889				CFLAGS="$CFLAGS -m64 -mcpu=v9"
1890				LDFLAGS="$LDFLAGS -m64 -mcpu=v9"
1891				SHLIB_CFLAGS="-fPIC"
1892			    fi
1893			else
1894			    do64bit_ok=yes
1895			    if test "$do64bitVIS" = "yes" ; then
1896				CFLAGS="$CFLAGS -xarch=v9a"
1897			    	LDFLAGS_ARCH="-xarch=v9a"
1898			    else
1899				CFLAGS="$CFLAGS -xarch=v9"
1900			    	LDFLAGS_ARCH="-xarch=v9"
1901			    fi
1902			    # Solaris 64 uses this as well
1903			    #LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH_64"
1904			fi
1905		elif test "$arch" = "amd64 i386" ; then
1906		    if test "$GCC" = "yes" ; then
1907			AC_MSG_WARN([64bit mode not supported with GCC on $system])
1908		    else
1909			do64bit_ok=yes
1910			CFLAGS="$CFLAGS -xarch=amd64"
1911			LDFLAGS="$LDFLAGS -xarch=amd64"
1912		    fi
1913		else
1914		    AC_MSG_WARN([64bit mode not supported for $arch])
1915		fi
1916	    fi
1917
1918	    # Note: need the LIBS below, otherwise Tk won't find Tcl's
1919	    # symbols when dynamically loaded into tclsh.
1920
1921	    SHLIB_LD_LIBS='${LIBS}'
1922	    SHLIB_SUFFIX=".so"
1923	    DL_OBJS="tclLoadDl.o"
1924	    DL_LIBS="-ldl"
1925	    if test "$GCC" = "yes" ; then
1926		SHLIB_LD="$CC -shared"
1927		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1928		LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
1929		if test "$do64bit_ok" = "yes" ; then
1930		    # We need to specify -static-libgcc or we need to
1931		    # add the path to the sparv9 libgcc.
1932		    # JH: static-libgcc is necessary for core Tcl, but may
1933		    # not be necessary for extensions.
1934		    SHLIB_LD="$SHLIB_LD -m64 -mcpu=v9 -static-libgcc"
1935		    # for finding sparcv9 libgcc, get the regular libgcc
1936		    # path, remove so name and append 'sparcv9'
1937		    #v9gcclibdir="`gcc -print-file-name=libgcc_s.so` | ..."
1938		    #CC_SEARCH_FLAGS="${CC_SEARCH_FLAGS},-R,$v9gcclibdir"
1939		fi
1940	    else
1941		SHLIB_LD="/usr/ccs/bin/ld -G -z text"
1942		CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
1943		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
1944	    fi
1945	    ;;
1946	UNIX_SV* | UnixWare-5*)
1947	    SHLIB_CFLAGS="-KPIC"
1948	    SHLIB_LD="cc -G"
1949	    SHLIB_LD_LIBS=""
1950	    SHLIB_SUFFIX=".so"
1951	    DL_OBJS="tclLoadDl.o"
1952	    DL_LIBS="-ldl"
1953	    # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
1954	    # that don't grok the -Bexport option.  Test that it does.
1955	    AC_CACHE_CHECK([for ld accepts -Bexport flag], tcl_cv_ld_Bexport, [
1956		hold_ldflags=$LDFLAGS
1957		LDFLAGS="$LDFLAGS -Wl,-Bexport"
1958		AC_TRY_LINK(, [int i;], tcl_cv_ld_Bexport=yes, tcl_cv_ld_Bexport=no)
1959	        LDFLAGS=$hold_ldflags])
1960	    if test $tcl_cv_ld_Bexport = yes; then
1961		LDFLAGS="$LDFLAGS -Wl,-Bexport"
1962	    fi
1963	    CC_SEARCH_FLAGS=""
1964	    LD_SEARCH_FLAGS=""
1965	    ;;
1966    esac
1967
1968    if test "$do64bit" = "yes" -a "$do64bit_ok" = "no" ; then
1969	AC_MSG_WARN([64bit support being disabled -- don't know magic for this platform])
1970    fi
1971
1972dnl # Add any CPPFLAGS set in the environment to our CFLAGS, but delay doing so
1973dnl # until the end of configure, as configure's compile and link tests use
1974dnl # both CPPFLAGS and CFLAGS (unlike our compile and link) but configure's
1975dnl # preprocessing tests use only CPPFLAGS.
1976    AC_CONFIG_COMMANDS_PRE([CFLAGS="${CFLAGS} ${CPPFLAGS}"; CPPFLAGS=""])
1977
1978    # Step 4: disable dynamic loading if requested via a command-line switch.
1979
1980    AC_ARG_ENABLE(load,
1981	AC_HELP_STRING([--enable-load],
1982	    [allow dynamic loading and "load" command (default: on)]),
1983	[tcl_ok=$enableval], [tcl_ok=yes])
1984    if test "$tcl_ok" = "no"; then
1985	DL_OBJS=""
1986    fi
1987
1988    if test "x$DL_OBJS" != "x" ; then
1989	BUILD_DLTEST="\$(DLTEST_TARGETS)"
1990    else
1991	echo "Can't figure out how to do dynamic loading or shared libraries"
1992	echo "on this system."
1993	SHLIB_CFLAGS=""
1994	SHLIB_LD=""
1995	SHLIB_SUFFIX=""
1996	DL_OBJS="tclLoadNone.o"
1997	DL_LIBS=""
1998	LDFLAGS="$LDFLAGS_ORIG"
1999	CC_SEARCH_FLAGS=""
2000	LD_SEARCH_FLAGS=""
2001	BUILD_DLTEST=""
2002    fi
2003    LDFLAGS="$LDFLAGS $LDFLAGS_ARCH"
2004
2005    # If we're running gcc, then change the C flags for compiling shared
2006    # libraries to the right flags for gcc, instead of those for the
2007    # standard manufacturer compiler.
2008
2009    if test "$DL_OBJS" != "tclLoadNone.o" ; then
2010	if test "$GCC" = "yes" ; then
2011	    case $system in
2012		AIX-*)
2013		    ;;
2014		BSD/OS*)
2015		    ;;
2016		IRIX*)
2017		    ;;
2018		NetBSD-*|FreeBSD-*)
2019		    ;;
2020		Darwin-*)
2021		    ;;
2022		SCO_SV-3.2*)
2023		    ;;
2024		windows)
2025		    ;;
2026		*)
2027		    SHLIB_CFLAGS="-fPIC"
2028		    ;;
2029	    esac
2030	fi
2031    fi
2032
2033    if test "$SHARED_LIB_SUFFIX" = "" ; then
2034	SHARED_LIB_SUFFIX='${PACKAGE_VERSION}${SHLIB_SUFFIX}'
2035    fi
2036    if test "$UNSHARED_LIB_SUFFIX" = "" ; then
2037	UNSHARED_LIB_SUFFIX='${PACKAGE_VERSION}.a'
2038    fi
2039
2040    AC_SUBST(DL_LIBS)
2041
2042    AC_SUBST(CFLAGS_DEBUG)
2043    AC_SUBST(CFLAGS_OPTIMIZE)
2044    AC_SUBST(CFLAGS_WARNING)
2045
2046    AC_SUBST(STLIB_LD)
2047    AC_SUBST(SHLIB_LD)
2048
2049    AC_SUBST(SHLIB_LD_LIBS)
2050    AC_SUBST(SHLIB_CFLAGS)
2051
2052    AC_SUBST(LD_LIBRARY_PATH_VAR)
2053
2054    # These must be called after we do the basic CFLAGS checks and
2055    # verify any possible 64-bit or similar switches are necessary
2056    TEA_TCL_EARLY_FLAGS
2057    TEA_TCL_64BIT_FLAGS
2058])
2059
2060#--------------------------------------------------------------------
2061# TEA_SERIAL_PORT
2062#
2063#	Determine which interface to use to talk to the serial port.
2064#	Note that #include lines must begin in leftmost column for
2065#	some compilers to recognize them as preprocessor directives,
2066#	and some build environments have stdin not pointing at a
2067#	pseudo-terminal (usually /dev/null instead.)
2068#
2069# Arguments:
2070#	none
2071#
2072# Results:
2073#
2074#	Defines only one of the following vars:
2075#		HAVE_SYS_MODEM_H
2076#		USE_TERMIOS
2077#		USE_TERMIO
2078#		USE_SGTTY
2079#
2080#--------------------------------------------------------------------
2081
2082AC_DEFUN([TEA_SERIAL_PORT], [
2083    AC_CHECK_HEADERS(sys/modem.h)
2084    AC_CACHE_CHECK([termios vs. termio vs. sgtty], tcl_cv_api_serial, [
2085    AC_TRY_RUN([
2086#include <termios.h>
2087
2088int main() {
2089    struct termios t;
2090    if (tcgetattr(0, &t) == 0) {
2091	cfsetospeed(&t, 0);
2092	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
2093	return 0;
2094    }
2095    return 1;
2096}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2097    if test $tcl_cv_api_serial = no ; then
2098	AC_TRY_RUN([
2099#include <termio.h>
2100
2101int main() {
2102    struct termio t;
2103    if (ioctl(0, TCGETA, &t) == 0) {
2104	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
2105	return 0;
2106    }
2107    return 1;
2108}], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2109    fi
2110    if test $tcl_cv_api_serial = no ; then
2111	AC_TRY_RUN([
2112#include <sgtty.h>
2113
2114int main() {
2115    struct sgttyb t;
2116    if (ioctl(0, TIOCGETP, &t) == 0) {
2117	t.sg_ospeed = 0;
2118	t.sg_flags |= ODDP | EVENP | RAW;
2119	return 0;
2120    }
2121    return 1;
2122}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2123    fi
2124    if test $tcl_cv_api_serial = no ; then
2125	AC_TRY_RUN([
2126#include <termios.h>
2127#include <errno.h>
2128
2129int main() {
2130    struct termios t;
2131    if (tcgetattr(0, &t) == 0
2132	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
2133	cfsetospeed(&t, 0);
2134	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
2135	return 0;
2136    }
2137    return 1;
2138}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2139    fi
2140    if test $tcl_cv_api_serial = no; then
2141	AC_TRY_RUN([
2142#include <termio.h>
2143#include <errno.h>
2144
2145int main() {
2146    struct termio t;
2147    if (ioctl(0, TCGETA, &t) == 0
2148	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
2149	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
2150	return 0;
2151    }
2152    return 1;
2153    }], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
2154    fi
2155    if test $tcl_cv_api_serial = no; then
2156	AC_TRY_RUN([
2157#include <sgtty.h>
2158#include <errno.h>
2159
2160int main() {
2161    struct sgttyb t;
2162    if (ioctl(0, TIOCGETP, &t) == 0
2163	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
2164	t.sg_ospeed = 0;
2165	t.sg_flags |= ODDP | EVENP | RAW;
2166	return 0;
2167    }
2168    return 1;
2169}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=none, tcl_cv_api_serial=none)
2170    fi])
2171    case $tcl_cv_api_serial in
2172	termios) AC_DEFINE(USE_TERMIOS, 1, [Use the termios API for serial lines]);;
2173	termio)  AC_DEFINE(USE_TERMIO, 1, [Use the termio API for serial lines]);;
2174	sgtty)   AC_DEFINE(USE_SGTTY, 1, [Use the sgtty API for serial lines]);;
2175    esac
2176])
2177
2178#--------------------------------------------------------------------
2179# TEA_MISSING_POSIX_HEADERS
2180#
2181#	Supply substitutes for missing POSIX header files.  Special
2182#	notes:
2183#	    - stdlib.h doesn't define strtol, strtoul, or
2184#	      strtod insome versions of SunOS
2185#	    - some versions of string.h don't declare procedures such
2186#	      as strstr
2187#
2188# Arguments:
2189#	none
2190#
2191# Results:
2192#
2193#	Defines some of the following vars:
2194#		NO_DIRENT_H
2195#		NO_ERRNO_H
2196#		NO_VALUES_H
2197#		HAVE_LIMITS_H or NO_LIMITS_H
2198#		NO_STDLIB_H
2199#		NO_STRING_H
2200#		NO_SYS_WAIT_H
2201#		NO_DLFCN_H
2202#		HAVE_SYS_PARAM_H
2203#
2204#		HAVE_STRING_H ?
2205#
2206# tkUnixPort.h checks for HAVE_LIMITS_H, so do both HAVE and
2207# CHECK on limits.h
2208#--------------------------------------------------------------------
2209
2210AC_DEFUN([TEA_MISSING_POSIX_HEADERS], [
2211    AC_CACHE_CHECK([dirent.h], tcl_cv_dirent_h, [
2212    AC_TRY_LINK([#include <sys/types.h>
2213#include <dirent.h>], [
2214#ifndef _POSIX_SOURCE
2215#   ifdef __Lynx__
2216	/*
2217	 * Generate compilation error to make the test fail:  Lynx headers
2218	 * are only valid if really in the POSIX environment.
2219	 */
2220
2221	missing_procedure();
2222#   endif
2223#endif
2224DIR *d;
2225struct dirent *entryPtr;
2226char *p;
2227d = opendir("foobar");
2228entryPtr = readdir(d);
2229p = entryPtr->d_name;
2230closedir(d);
2231], tcl_cv_dirent_h=yes, tcl_cv_dirent_h=no)])
2232
2233    if test $tcl_cv_dirent_h = no; then
2234	AC_DEFINE(NO_DIRENT_H, 1, [Do we have <dirent.h>?])
2235    fi
2236
2237    AC_CHECK_HEADER(errno.h, , [AC_DEFINE(NO_ERRNO_H, 1, [Do we have <errno.h>?])])
2238    AC_CHECK_HEADER(float.h, , [AC_DEFINE(NO_FLOAT_H, 1, [Do we have <float.h>?])])
2239    AC_CHECK_HEADER(values.h, , [AC_DEFINE(NO_VALUES_H, 1, [Do we have <values.h>?])])
2240    AC_CHECK_HEADER(limits.h,
2241	[AC_DEFINE(HAVE_LIMITS_H, 1, [Do we have <limits.h>?])],
2242	[AC_DEFINE(NO_LIMITS_H, 1, [Do we have <limits.h>?])])
2243    AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0)
2244    AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0)
2245    AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0)
2246    AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0)
2247    if test $tcl_ok = 0; then
2248	AC_DEFINE(NO_STDLIB_H, 1, [Do we have <stdlib.h>?])
2249    fi
2250    AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0)
2251    AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0)
2252    AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0)
2253
2254    # See also memmove check below for a place where NO_STRING_H can be
2255    # set and why.
2256
2257    if test $tcl_ok = 0; then
2258	AC_DEFINE(NO_STRING_H, 1, [Do we have <string.h>?])
2259    fi
2260
2261    AC_CHECK_HEADER(sys/wait.h, , [AC_DEFINE(NO_SYS_WAIT_H, 1, [Do we have <sys/wait.h>?])])
2262    AC_CHECK_HEADER(dlfcn.h, , [AC_DEFINE(NO_DLFCN_H, 1, [Do we have <dlfcn.h>?])])
2263
2264    # OS/390 lacks sys/param.h (and doesn't need it, by chance).
2265    AC_HAVE_HEADERS(sys/param.h)
2266])
2267
2268#--------------------------------------------------------------------
2269# TEA_PATH_X
2270#
2271#	Locate the X11 header files and the X11 library archive.  Try
2272#	the ac_path_x macro first, but if it doesn't find the X stuff
2273#	(e.g. because there's no xmkmf program) then check through
2274#	a list of possible directories.  Under some conditions the
2275#	autoconf macro will return an include directory that contains
2276#	no include files, so double-check its result just to be safe.
2277#
2278#	This should be called after TEA_CONFIG_CFLAGS as setting the
2279#	LIBS line can confuse some configure macro magic.
2280#
2281# Arguments:
2282#	none
2283#
2284# Results:
2285#
2286#	Sets the following vars:
2287#		XINCLUDES
2288#		XLIBSW
2289#		PKG_LIBS (appends to)
2290#
2291#--------------------------------------------------------------------
2292
2293AC_DEFUN([TEA_PATH_X], [
2294    if test "${TEA_WINDOWINGSYSTEM}" = "x11" ; then
2295	TEA_PATH_UNIX_X
2296    fi
2297])
2298
2299AC_DEFUN([TEA_PATH_UNIX_X], [
2300    AC_PATH_X
2301    not_really_there=""
2302    if test "$no_x" = ""; then
2303	if test "$x_includes" = ""; then
2304	    AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
2305	else
2306	    if test ! -r $x_includes/X11/Intrinsic.h; then
2307		not_really_there="yes"
2308	    fi
2309	fi
2310    fi
2311    if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
2312	AC_MSG_CHECKING([for X11 header files])
2313	found_xincludes="no"
2314	AC_TRY_CPP([#include <X11/Intrinsic.h>], found_xincludes="yes", found_xincludes="no")
2315	if test "$found_xincludes" = "no"; then
2316	    dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
2317	    for i in $dirs ; do
2318		if test -r $i/X11/Intrinsic.h; then
2319		    AC_MSG_RESULT([$i])
2320		    XINCLUDES=" -I$i"
2321		    found_xincludes="yes"
2322		    break
2323		fi
2324	    done
2325	fi
2326    else
2327	if test "$x_includes" != ""; then
2328	    XINCLUDES="-I$x_includes"
2329	    found_xincludes="yes"
2330	fi
2331    fi
2332    if test found_xincludes = "no"; then
2333	AC_MSG_RESULT([couldn't find any!])
2334    fi
2335
2336    if test "$no_x" = yes; then
2337	AC_MSG_CHECKING([for X11 libraries])
2338	XLIBSW=nope
2339	dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
2340	for i in $dirs ; do
2341	    if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then
2342		AC_MSG_RESULT([$i])
2343		XLIBSW="-L$i -lX11"
2344		x_libraries="$i"
2345		break
2346	    fi
2347	done
2348    else
2349	if test "$x_libraries" = ""; then
2350	    XLIBSW=-lX11
2351	else
2352	    XLIBSW="-L$x_libraries -lX11"
2353	fi
2354    fi
2355    if test "$XLIBSW" = nope ; then
2356	AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
2357    fi
2358    if test "$XLIBSW" = nope ; then
2359	AC_MSG_RESULT([could not find any!  Using -lX11.])
2360	XLIBSW=-lX11
2361    fi
2362    if test x"${XLIBSW}" != x ; then
2363	PKG_LIBS="${PKG_LIBS} ${XLIBSW}"
2364    fi
2365])
2366
2367#--------------------------------------------------------------------
2368# TEA_BLOCKING_STYLE
2369#
2370#	The statements below check for systems where POSIX-style
2371#	non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented.
2372#	On these systems (mostly older ones), use the old BSD-style
2373#	FIONBIO approach instead.
2374#
2375# Arguments:
2376#	none
2377#
2378# Results:
2379#
2380#	Defines some of the following vars:
2381#		HAVE_SYS_IOCTL_H
2382#		HAVE_SYS_FILIO_H
2383#		USE_FIONBIO
2384#		O_NONBLOCK
2385#
2386#--------------------------------------------------------------------
2387
2388AC_DEFUN([TEA_BLOCKING_STYLE], [
2389    AC_CHECK_HEADERS(sys/ioctl.h)
2390    AC_CHECK_HEADERS(sys/filio.h)
2391    TEA_CONFIG_SYSTEM
2392    AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O])
2393    case $system in
2394	# There used to be code here to use FIONBIO under AIX.  However, it
2395	# was reported that FIONBIO doesn't work under AIX 3.2.5.  Since
2396	# using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO
2397	# code (JO, 5/31/97).
2398
2399	OSF*)
2400	    AC_DEFINE(USE_FIONBIO, 1, [Should we use FIONBIO?])
2401	    AC_MSG_RESULT([FIONBIO])
2402	    ;;
2403	SunOS-4*)
2404	    AC_DEFINE(USE_FIONBIO, 1, [Should we use FIONBIO?])
2405	    AC_MSG_RESULT([FIONBIO])
2406	    ;;
2407	*)
2408	    AC_MSG_RESULT([O_NONBLOCK])
2409	    ;;
2410    esac
2411])
2412
2413#--------------------------------------------------------------------
2414# TEA_TIME_HANLDER
2415#
2416#	Checks how the system deals with time.h, what time structures
2417#	are used on the system, and what fields the structures have.
2418#
2419# Arguments:
2420#	none
2421#
2422# Results:
2423#
2424#	Defines some of the following vars:
2425#		USE_DELTA_FOR_TZ
2426#		HAVE_TM_GMTOFF
2427#		HAVE_TM_TZADJ
2428#		HAVE_TIMEZONE_VAR
2429#
2430#--------------------------------------------------------------------
2431
2432AC_DEFUN([TEA_TIME_HANDLER], [
2433    AC_CHECK_HEADERS(sys/time.h)
2434    AC_HEADER_TIME
2435    AC_STRUCT_TIMEZONE
2436
2437    AC_CHECK_FUNCS(gmtime_r localtime_r)
2438
2439    AC_CACHE_CHECK([tm_tzadj in struct tm], tcl_cv_member_tm_tzadj, [
2440	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
2441	    tcl_cv_member_tm_tzadj=yes, tcl_cv_member_tm_tzadj=no)])
2442    if test $tcl_cv_member_tm_tzadj = yes ; then
2443	AC_DEFINE(HAVE_TM_TZADJ, 1, [Should we use the tm_tzadj field of struct tm?])
2444    fi
2445
2446    AC_CACHE_CHECK([tm_gmtoff in struct tm], tcl_cv_member_tm_gmtoff, [
2447	AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
2448	    tcl_cv_member_tm_gmtoff=yes, tcl_cv_member_tm_gmtoff=no)])
2449    if test $tcl_cv_member_tm_gmtoff = yes ; then
2450	AC_DEFINE(HAVE_TM_GMTOFF, 1, [Should we use the tm_gmtoff field of struct tm?])
2451    fi
2452
2453    #
2454    # Its important to include time.h in this check, as some systems
2455    # (like convex) have timezone functions, etc.
2456    #
2457    AC_CACHE_CHECK([long timezone variable], tcl_cv_timezone_long, [
2458	AC_TRY_COMPILE([#include <time.h>],
2459	    [extern long timezone;
2460	    timezone += 1;
2461	    exit (0);],
2462	    tcl_cv_timezone_long=yes, tcl_cv_timezone_long=no)])
2463    if test $tcl_cv_timezone_long = yes ; then
2464	AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
2465    else
2466	#
2467	# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
2468	#
2469	AC_CACHE_CHECK([time_t timezone variable], tcl_cv_timezone_time, [
2470	    AC_TRY_COMPILE([#include <time.h>],
2471		[extern time_t timezone;
2472		timezone += 1;
2473		exit (0);],
2474		tcl_cv_timezone_time=yes, tcl_cv_timezone_time=no)])
2475	if test $tcl_cv_timezone_time = yes ; then
2476	    AC_DEFINE(HAVE_TIMEZONE_VAR, 1, [Should we use the global timezone variable?])
2477	fi
2478    fi
2479])
2480
2481#--------------------------------------------------------------------
2482# TEA_BUGGY_STRTOD
2483#
2484#	Under Solaris 2.4, strtod returns the wrong value for the
2485#	terminating character under some conditions.  Check for this
2486#	and if the problem exists use a substitute procedure
2487#	"fixstrtod" (provided by Tcl) that corrects the error.
2488#	Also, on Compaq's Tru64 Unix 5.0,
2489#	strtod(" ") returns 0.0 instead of a failure to convert.
2490#
2491# Arguments:
2492#	none
2493#
2494# Results:
2495#
2496#	Might defines some of the following vars:
2497#		strtod (=fixstrtod)
2498#
2499#--------------------------------------------------------------------
2500
2501AC_DEFUN([TEA_BUGGY_STRTOD], [
2502    AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
2503    if test "$tcl_strtod" = 1; then
2504	AC_CACHE_CHECK([for Solaris2.4/Tru64 strtod bugs], tcl_cv_strtod_buggy,[
2505	    AC_TRY_RUN([
2506		extern double strtod();
2507		int main() {
2508		    char *infString="Inf", *nanString="NaN", *spaceString=" ";
2509		    char *term;
2510		    double value;
2511		    value = strtod(infString, &term);
2512		    if ((term != infString) && (term[-1] == 0)) {
2513			exit(1);
2514		    }
2515		    value = strtod(nanString, &term);
2516		    if ((term != nanString) && (term[-1] == 0)) {
2517			exit(1);
2518		    }
2519		    value = strtod(spaceString, &term);
2520		    if (term == (spaceString+1)) {
2521			exit(1);
2522		    }
2523		    exit(0);
2524		}], tcl_cv_strtod_buggy=ok, tcl_cv_strtod_buggy=buggy,
2525		    tcl_cv_strtod_buggy=buggy)])
2526	if test "$tcl_cv_strtod_buggy" = buggy; then
2527	    AC_LIBOBJ([fixstrtod])
2528	    USE_COMPAT=1
2529	    AC_DEFINE(strtod, fixstrtod, [Do we want to use the strtod() in compat?])
2530	fi
2531    fi
2532])
2533
2534#--------------------------------------------------------------------
2535# TEA_TCL_LINK_LIBS
2536#
2537#	Search for the libraries needed to link the Tcl shell.
2538#	Things like the math library (-lm) and socket stuff (-lsocket vs.
2539#	-lnsl) are dealt with here.
2540#
2541# Arguments:
2542#	Requires the following vars to be set in the Makefile:
2543#		DL_LIBS
2544#		LIBS
2545#		MATH_LIBS
2546#
2547# Results:
2548#
2549#	Subst's the following var:
2550#		TCL_LIBS
2551#		MATH_LIBS
2552#
2553#	Might append to the following vars:
2554#		LIBS
2555#
2556#	Might define the following vars:
2557#		HAVE_NET_ERRNO_H
2558#
2559#--------------------------------------------------------------------
2560
2561AC_DEFUN([TEA_TCL_LINK_LIBS], [
2562    #--------------------------------------------------------------------
2563    # On a few very rare systems, all of the libm.a stuff is
2564    # already in libc.a.  Set compiler flags accordingly.
2565    # Also, Linux requires the "ieee" library for math to work
2566    # right (and it must appear before "-lm").
2567    #--------------------------------------------------------------------
2568
2569    AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
2570    AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
2571
2572    #--------------------------------------------------------------------
2573    # Interactive UNIX requires -linet instead of -lsocket, plus it
2574    # needs net/errno.h to define the socket-related error codes.
2575    #--------------------------------------------------------------------
2576
2577    AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"])
2578    AC_CHECK_HEADER(net/errno.h, [
2579	AC_DEFINE(HAVE_NET_ERRNO_H, 1, [Do we have <net/errno.h>?])])
2580
2581    #--------------------------------------------------------------------
2582    #	Check for the existence of the -lsocket and -lnsl libraries.
2583    #	The order here is important, so that they end up in the right
2584    #	order in the command line generated by make.  Here are some
2585    #	special considerations:
2586    #	1. Use "connect" and "accept" to check for -lsocket, and
2587    #	   "gethostbyname" to check for -lnsl.
2588    #	2. Use each function name only once:  can't redo a check because
2589    #	   autoconf caches the results of the last check and won't redo it.
2590    #	3. Use -lnsl and -lsocket only if they supply procedures that
2591    #	   aren't already present in the normal libraries.  This is because
2592    #	   IRIX 5.2 has libraries, but they aren't needed and they're
2593    #	   bogus:  they goof up name resolution if used.
2594    #	4. On some SVR4 systems, can't use -lsocket without -lnsl too.
2595    #	   To get around this problem, check for both libraries together
2596    #	   if -lsocket doesn't work by itself.
2597    #--------------------------------------------------------------------
2598
2599    tcl_checkBoth=0
2600    AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1)
2601    if test "$tcl_checkSocket" = 1; then
2602	AC_CHECK_FUNC(setsockopt, , [AC_CHECK_LIB(socket, setsockopt,
2603	    LIBS="$LIBS -lsocket", tcl_checkBoth=1)])
2604    fi
2605    if test "$tcl_checkBoth" = 1; then
2606	tk_oldLibs=$LIBS
2607	LIBS="$LIBS -lsocket -lnsl"
2608	AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
2609    fi
2610    AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname,
2611	    [LIBS="$LIBS -lnsl"])])
2612
2613    # Don't perform the eval of the libraries here because DL_LIBS
2614    # won't be set until we call TEA_CONFIG_CFLAGS
2615
2616    TCL_LIBS='${DL_LIBS} ${LIBS} ${MATH_LIBS}'
2617    AC_SUBST(TCL_LIBS)
2618    AC_SUBST(MATH_LIBS)
2619])
2620
2621#--------------------------------------------------------------------
2622# TEA_TCL_EARLY_FLAGS
2623#
2624#	Check for what flags are needed to be passed so the correct OS
2625#	features are available.
2626#
2627# Arguments:
2628#	None
2629#
2630# Results:
2631#
2632#	Might define the following vars:
2633#		_ISOC99_SOURCE
2634#		_LARGEFILE64_SOURCE
2635#		_LARGEFILE_SOURCE64
2636#
2637#--------------------------------------------------------------------
2638
2639AC_DEFUN([TEA_TCL_EARLY_FLAG],[
2640    AC_CACHE_VAL([tcl_cv_flag_]translit($1,[A-Z],[a-z]),
2641	AC_TRY_COMPILE([$2], $3, [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,
2642	    AC_TRY_COMPILE([[#define ]$1[ 1
2643]$2], $3,
2644		[tcl_cv_flag_]translit($1,[A-Z],[a-z])=yes,
2645		[tcl_cv_flag_]translit($1,[A-Z],[a-z])=no)))
2646    if test ["x${tcl_cv_flag_]translit($1,[A-Z],[a-z])[}" = "xyes"] ; then
2647	AC_DEFINE($1, 1, [Add the ]$1[ flag when building])
2648	tcl_flags="$tcl_flags $1"
2649    fi
2650])
2651
2652AC_DEFUN([TEA_TCL_EARLY_FLAGS],[
2653    AC_MSG_CHECKING([for required early compiler flags])
2654    tcl_flags=""
2655    TEA_TCL_EARLY_FLAG(_ISOC99_SOURCE,[#include <stdlib.h>],
2656	[char *p = (char *)strtoll; char *q = (char *)strtoull;])
2657    TEA_TCL_EARLY_FLAG(_LARGEFILE64_SOURCE,[#include <sys/stat.h>],
2658	[struct stat64 buf; int i = stat64("/", &buf);])
2659    TEA_TCL_EARLY_FLAG(_LARGEFILE_SOURCE64,[#include <sys/stat.h>],
2660	[char *p = (char *)open64;])
2661    if test "x${tcl_flags}" = "x" ; then
2662	AC_MSG_RESULT([none])
2663    else
2664	AC_MSG_RESULT([${tcl_flags}])
2665    fi
2666])
2667
2668#--------------------------------------------------------------------
2669# TEA_TCL_64BIT_FLAGS
2670#
2671#	Check for what is defined in the way of 64-bit features.
2672#
2673# Arguments:
2674#	None
2675#
2676# Results:
2677#
2678#	Might define the following vars:
2679#		TCL_WIDE_INT_IS_LONG
2680#		TCL_WIDE_INT_TYPE
2681#		HAVE_STRUCT_DIRENT64
2682#		HAVE_STRUCT_STAT64
2683#		HAVE_TYPE_OFF64_T
2684#
2685#--------------------------------------------------------------------
2686
2687AC_DEFUN([TEA_TCL_64BIT_FLAGS], [
2688    AC_MSG_CHECKING([for 64-bit integer type])
2689    AC_CACHE_VAL(tcl_cv_type_64bit,[
2690	tcl_cv_type_64bit=none
2691	# See if the compiler knows natively about __int64
2692	AC_TRY_COMPILE(,[__int64 value = (__int64) 0;],
2693	    tcl_type_64bit=__int64, tcl_type_64bit="long long")
2694	# See if we should use long anyway  Note that we substitute in the
2695	# type that is our current guess for a 64-bit type inside this check
2696	# program, so it should be modified only carefully...
2697        AC_TRY_COMPILE(,[switch (0) {
2698            case 1: case (sizeof(]${tcl_type_64bit}[)==sizeof(long)): ;
2699        }],tcl_cv_type_64bit=${tcl_type_64bit})])
2700    if test "${tcl_cv_type_64bit}" = none ; then
2701	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Are wide integers to be implemented with C 'long's?])
2702	AC_MSG_RESULT([using long])
2703    elif test "${tcl_cv_type_64bit}" = "__int64" \
2704		-a "${TEA_PLATFORM}" = "windows" ; then
2705	# We actually want to use the default tcl.h checks in this
2706	# case to handle both TCL_WIDE_INT_TYPE and TCL_LL_MODIFIER*
2707	AC_MSG_RESULT([using Tcl header defaults])
2708    else
2709	AC_DEFINE_UNQUOTED(TCL_WIDE_INT_TYPE,${tcl_cv_type_64bit},
2710	    [What type should be used to define wide integers?])
2711	AC_MSG_RESULT([${tcl_cv_type_64bit}])
2712
2713	# Now check for auxiliary declarations
2714	AC_CACHE_CHECK([for struct dirent64], tcl_cv_struct_dirent64,[
2715	    AC_TRY_COMPILE([#include <sys/types.h>
2716#include <sys/dirent.h>],[struct dirent64 p;],
2717		tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
2718	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
2719	    AC_DEFINE(HAVE_STRUCT_DIRENT64, 1, [Is 'struct dirent64' in <sys/types.h>?])
2720	fi
2721
2722	AC_CACHE_CHECK([for struct stat64], tcl_cv_struct_stat64,[
2723	    AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
2724],
2725		tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
2726	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
2727	    AC_DEFINE(HAVE_STRUCT_STAT64, 1, [Is 'struct stat64' in <sys/stat.h>?])
2728	fi
2729
2730	AC_CHECK_FUNCS(open64 lseek64)
2731	AC_MSG_CHECKING([for off64_t])
2732	AC_CACHE_VAL(tcl_cv_type_off64_t,[
2733	    AC_TRY_COMPILE([#include <sys/types.h>],[off64_t offset;
2734],
2735		tcl_cv_type_off64_t=yes,tcl_cv_type_off64_t=no)])
2736	dnl Define HAVE_TYPE_OFF64_T only when the off64_t type and the
2737	dnl functions lseek64 and open64 are defined.
2738	if test "x${tcl_cv_type_off64_t}" = "xyes" && \
2739	        test "x${ac_cv_func_lseek64}" = "xyes" && \
2740	        test "x${ac_cv_func_open64}" = "xyes" ; then
2741	    AC_DEFINE(HAVE_TYPE_OFF64_T, 1, [Is off64_t in <sys/types.h>?])
2742	    AC_MSG_RESULT([yes])
2743	else
2744	    AC_MSG_RESULT([no])
2745	fi
2746    fi
2747])
2748
2749##
2750## Here ends the standard Tcl configuration bits and starts the
2751## TEA specific functions
2752##
2753
2754#------------------------------------------------------------------------
2755# TEA_INIT --
2756#
2757#	Init various Tcl Extension Architecture (TEA) variables.
2758#	This should be the first called TEA_* macro.
2759#
2760# Arguments:
2761#	none
2762#
2763# Results:
2764#
2765#	Defines and substs the following vars:
2766#		CYGPATH
2767#		EXEEXT
2768#	Defines only:
2769#		TEA_VERSION
2770#		TEA_INITED
2771#		TEA_PLATFORM (windows or unix)
2772#
2773# "cygpath" is used on windows to generate native path names for include
2774# files. These variables should only be used with the compiler and linker
2775# since they generate native path names.
2776#
2777# EXEEXT
2778#	Select the executable extension based on the host type.  This
2779#	is a lightweight replacement for AC_EXEEXT that doesn't require
2780#	a compiler.
2781#------------------------------------------------------------------------
2782
2783AC_DEFUN([TEA_INIT], [
2784    # TEA extensions pass this us the version of TEA they think they
2785    # are compatible with.
2786    TEA_VERSION="3.6"
2787
2788    AC_MSG_CHECKING([for correct TEA configuration])
2789    if test x"${PACKAGE_NAME}" = x ; then
2790	AC_MSG_ERROR([
2791The PACKAGE_NAME variable must be defined by your TEA configure.in])
2792    fi
2793    if test x"$1" = x ; then
2794	AC_MSG_ERROR([
2795TEA version not specified.])
2796    elif test "$1" != "${TEA_VERSION}" ; then
2797	AC_MSG_RESULT([warning: requested TEA version "$1", have "${TEA_VERSION}"])
2798    else
2799	AC_MSG_RESULT([ok (TEA ${TEA_VERSION})])
2800    fi
2801    case "`uname -s`" in
2802	*win32*|*WIN32*|*CYGWIN_NT*|*CYGWIN_9*|*CYGWIN_ME*|*MINGW32_*)
2803	    AC_CHECK_PROG(CYGPATH, cygpath, cygpath -w, echo)
2804	    EXEEXT=".exe"
2805	    TEA_PLATFORM="windows"
2806	    ;;
2807	*)
2808	    CYGPATH=echo
2809	    EXEEXT=""
2810	    TEA_PLATFORM="unix"
2811	    ;;
2812    esac
2813
2814    # Check if exec_prefix is set. If not use fall back to prefix.
2815    # Note when adjusted, so that TEA_PREFIX can correct for this.
2816    # This is needed for recursive configures, since autoconf propagates
2817    # $prefix, but not $exec_prefix (doh!).
2818    if test x$exec_prefix = xNONE ; then
2819	exec_prefix_default=yes
2820	exec_prefix=$prefix
2821    fi
2822
2823    AC_SUBST(EXEEXT)
2824    AC_SUBST(CYGPATH)
2825
2826    # This package name must be replaced statically for AC_SUBST to work
2827    AC_SUBST(PKG_LIB_FILE)
2828    # Substitute STUB_LIB_FILE in case package creates a stub library too.
2829    AC_SUBST(PKG_STUB_LIB_FILE)
2830
2831    # We AC_SUBST these here to ensure they are subst'ed,
2832    # in case the user doesn't call TEA_ADD_...
2833    AC_SUBST(PKG_STUB_SOURCES)
2834    AC_SUBST(PKG_STUB_OBJECTS)
2835    AC_SUBST(PKG_TCL_SOURCES)
2836    AC_SUBST(PKG_HEADERS)
2837    AC_SUBST(PKG_INCLUDES)
2838    AC_SUBST(PKG_LIBS)
2839    AC_SUBST(PKG_CFLAGS)
2840])
2841
2842#------------------------------------------------------------------------
2843# TEA_ADD_SOURCES --
2844#
2845#	Specify one or more source files.  Users should check for
2846#	the right platform before adding to their list.
2847#	It is not important to specify the directory, as long as it is
2848#	in the generic, win or unix subdirectory of $(srcdir).
2849#
2850# Arguments:
2851#	one or more file names
2852#
2853# Results:
2854#
2855#	Defines and substs the following vars:
2856#		PKG_SOURCES
2857#		PKG_OBJECTS
2858#------------------------------------------------------------------------
2859AC_DEFUN([TEA_ADD_SOURCES], [
2860    vars="$@"
2861    for i in $vars; do
2862	case $i in
2863	    [\$]*)
2864		# allow $-var names
2865		PKG_SOURCES="$PKG_SOURCES $i"
2866		PKG_OBJECTS="$PKG_OBJECTS $i"
2867		;;
2868	    *)
2869		# check for existence - allows for generic/win/unix VPATH
2870		if test ! -f "${srcdir}/$i" -a ! -f "${srcdir}/generic/$i" \
2871		    -a ! -f "${srcdir}/win/$i" -a ! -f "${srcdir}/unix/$i" \
2872		    ; then
2873		    AC_MSG_ERROR([could not find source file '$i'])
2874		fi
2875		PKG_SOURCES="$PKG_SOURCES $i"
2876		# this assumes it is in a VPATH dir
2877		i=`basename $i`
2878		# handle user calling this before or after TEA_SETUP_COMPILER
2879		if test x"${OBJEXT}" != x ; then
2880		    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.${OBJEXT}"
2881		else
2882		    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.\${OBJEXT}"
2883		fi
2884		PKG_OBJECTS="$PKG_OBJECTS $j"
2885		;;
2886	esac
2887    done
2888    AC_SUBST(PKG_SOURCES)
2889    AC_SUBST(PKG_OBJECTS)
2890])
2891
2892#------------------------------------------------------------------------
2893# TEA_ADD_STUB_SOURCES --
2894#
2895#	Specify one or more source files.  Users should check for
2896#	the right platform before adding to their list.
2897#	It is not important to specify the directory, as long as it is
2898#	in the generic, win or unix subdirectory of $(srcdir).
2899#
2900# Arguments:
2901#	one or more file names
2902#
2903# Results:
2904#
2905#	Defines and substs the following vars:
2906#		PKG_STUB_SOURCES
2907#		PKG_STUB_OBJECTS
2908#------------------------------------------------------------------------
2909AC_DEFUN([TEA_ADD_STUB_SOURCES], [
2910    vars="$@"
2911    for i in $vars; do
2912	# check for existence - allows for generic/win/unix VPATH
2913	if test ! -f "${srcdir}/$i" -a ! -f "${srcdir}/generic/$i" \
2914	    -a ! -f "${srcdir}/win/$i" -a ! -f "${srcdir}/unix/$i" \
2915	    ; then
2916	    AC_MSG_ERROR([could not find stub source file '$i'])
2917	fi
2918	PKG_STUB_SOURCES="$PKG_STUB_SOURCES $i"
2919	# this assumes it is in a VPATH dir
2920	i=`basename $i`
2921	# handle user calling this before or after TEA_SETUP_COMPILER
2922	if test x"${OBJEXT}" != x ; then
2923	    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.${OBJEXT}"
2924	else
2925	    j="`echo $i | sed -e 's/\.[[^.]]*$//'`.\${OBJEXT}"
2926	fi
2927	PKG_STUB_OBJECTS="$PKG_STUB_OBJECTS $j"
2928    done
2929    AC_SUBST(PKG_STUB_SOURCES)
2930    AC_SUBST(PKG_STUB_OBJECTS)
2931])
2932
2933#------------------------------------------------------------------------
2934# TEA_ADD_TCL_SOURCES --
2935#
2936#	Specify one or more Tcl source files.  These should be platform
2937#	independent runtime files.
2938#
2939# Arguments:
2940#	one or more file names
2941#
2942# Results:
2943#
2944#	Defines and substs the following vars:
2945#		PKG_TCL_SOURCES
2946#------------------------------------------------------------------------
2947AC_DEFUN([TEA_ADD_TCL_SOURCES], [
2948    vars="$@"
2949    for i in $vars; do
2950	# check for existence, be strict because it is installed
2951	if test ! -f "${srcdir}/$i" ; then
2952	    AC_MSG_ERROR([could not find tcl source file '${srcdir}/$i'])
2953	fi
2954	PKG_TCL_SOURCES="$PKG_TCL_SOURCES $i"
2955    done
2956    AC_SUBST(PKG_TCL_SOURCES)
2957])
2958
2959#------------------------------------------------------------------------
2960# TEA_ADD_HEADERS --
2961#
2962#	Specify one or more source headers.  Users should check for
2963#	the right platform before adding to their list.
2964#
2965# Arguments:
2966#	one or more file names
2967#
2968# Results:
2969#
2970#	Defines and substs the following vars:
2971#		PKG_HEADERS
2972#------------------------------------------------------------------------
2973AC_DEFUN([TEA_ADD_HEADERS], [
2974    vars="$@"
2975    for i in $vars; do
2976	# check for existence, be strict because it is installed
2977	if test ! -f "${srcdir}/$i" ; then
2978	    AC_MSG_ERROR([could not find header file '${srcdir}/$i'])
2979	fi
2980	PKG_HEADERS="$PKG_HEADERS $i"
2981    done
2982    AC_SUBST(PKG_HEADERS)
2983])
2984
2985#------------------------------------------------------------------------
2986# TEA_ADD_INCLUDES --
2987#
2988#	Specify one or more include dirs.  Users should check for
2989#	the right platform before adding to their list.
2990#
2991# Arguments:
2992#	one or more file names
2993#
2994# Results:
2995#
2996#	Defines and substs the following vars:
2997#		PKG_INCLUDES
2998#------------------------------------------------------------------------
2999AC_DEFUN([TEA_ADD_INCLUDES], [
3000    vars="$@"
3001    for i in $vars; do
3002	PKG_INCLUDES="$PKG_INCLUDES $i"
3003    done
3004    AC_SUBST(PKG_INCLUDES)
3005])
3006
3007#------------------------------------------------------------------------
3008# TEA_ADD_LIBS --
3009#
3010#	Specify one or more libraries.  Users should check for
3011#	the right platform before adding to their list.  For Windows,
3012#	libraries provided in "foo.lib" format will be converted to
3013#	"-lfoo" when using GCC (mingw).
3014#
3015# Arguments:
3016#	one or more file names
3017#
3018# Results:
3019#
3020#	Defines and substs the following vars:
3021#		PKG_LIBS
3022#------------------------------------------------------------------------
3023AC_DEFUN([TEA_ADD_LIBS], [
3024    vars="$@"
3025    for i in $vars; do
3026	if test "${TEA_PLATFORM}" = "windows" -a "$GCC" = "yes" ; then
3027	    # Convert foo.lib to -lfoo for GCC.  No-op if not *.lib
3028	    i=`echo "$i" | sed -e 's/^\([[^-]].*\)\.lib[$]/-l\1/i'`
3029	fi
3030	PKG_LIBS="$PKG_LIBS $i"
3031    done
3032    AC_SUBST(PKG_LIBS)
3033])
3034
3035#------------------------------------------------------------------------
3036# TEA_ADD_CFLAGS --
3037#
3038#	Specify one or more CFLAGS.  Users should check for
3039#	the right platform before adding to their list.
3040#
3041# Arguments:
3042#	one or more file names
3043#
3044# Results:
3045#
3046#	Defines and substs the following vars:
3047#		PKG_CFLAGS
3048#------------------------------------------------------------------------
3049AC_DEFUN([TEA_ADD_CFLAGS], [
3050    PKG_CFLAGS="$PKG_CFLAGS $@"
3051    AC_SUBST(PKG_CFLAGS)
3052])
3053
3054#------------------------------------------------------------------------
3055# TEA_PREFIX --
3056#
3057#	Handle the --prefix=... option by defaulting to what Tcl gave
3058#
3059# Arguments:
3060#	none
3061#
3062# Results:
3063#
3064#	If --prefix or --exec-prefix was not specified, $prefix and
3065#	$exec_prefix will be set to the values given to Tcl when it was
3066#	configured.
3067#------------------------------------------------------------------------
3068AC_DEFUN([TEA_PREFIX], [
3069    if test "${prefix}" = "NONE"; then
3070	prefix_default=yes
3071	if test x"${TCL_PREFIX}" != x; then
3072	    AC_MSG_NOTICE([--prefix defaulting to TCL_PREFIX ${TCL_PREFIX}])
3073	    prefix=${TCL_PREFIX}
3074	else
3075	    AC_MSG_NOTICE([--prefix defaulting to /usr/local])
3076	    prefix=/usr/local
3077	fi
3078    fi
3079    if test "${exec_prefix}" = "NONE" -a x"${prefix_default}" = x"yes" \
3080	-o x"${exec_prefix_default}" = x"yes" ; then
3081	if test x"${TCL_EXEC_PREFIX}" != x; then
3082	    AC_MSG_NOTICE([--exec-prefix defaulting to TCL_EXEC_PREFIX ${TCL_EXEC_PREFIX}])
3083	    exec_prefix=${TCL_EXEC_PREFIX}
3084	else
3085	    AC_MSG_NOTICE([--exec-prefix defaulting to ${prefix}])
3086	    exec_prefix=$prefix
3087	fi
3088    fi
3089])
3090
3091#------------------------------------------------------------------------
3092# TEA_SETUP_COMPILER_CC --
3093#
3094#	Do compiler checks the way we want.  This is just a replacement
3095#	for AC_PROG_CC in TEA configure.in files to make them cleaner.
3096#
3097# Arguments:
3098#	none
3099#
3100# Results:
3101#
3102#	Sets up CC var and other standard bits we need to make executables.
3103#------------------------------------------------------------------------
3104AC_DEFUN([TEA_SETUP_COMPILER_CC], [
3105    # Don't put any macros that use the compiler (e.g. AC_TRY_COMPILE)
3106    # in this macro, they need to go into TEA_SETUP_COMPILER instead.
3107
3108    # If the user did not set CFLAGS, set it now to keep
3109    # the AC_PROG_CC macro from adding "-g -O2".
3110    if test "${CFLAGS+set}" != "set" ; then
3111	CFLAGS=""
3112    fi
3113
3114    AC_PROG_CC
3115    AC_PROG_CPP
3116
3117    AC_PROG_INSTALL
3118
3119    #--------------------------------------------------------------------
3120    # Checks to see if the make program sets the $MAKE variable.
3121    #--------------------------------------------------------------------
3122
3123    AC_PROG_MAKE_SET
3124
3125    #--------------------------------------------------------------------
3126    # Find ranlib
3127    #--------------------------------------------------------------------
3128
3129    AC_PROG_RANLIB
3130
3131    #--------------------------------------------------------------------
3132    # Determines the correct binary file extension (.o, .obj, .exe etc.)
3133    #--------------------------------------------------------------------
3134
3135    AC_OBJEXT
3136    AC_EXEEXT
3137])
3138
3139#------------------------------------------------------------------------
3140# TEA_SETUP_COMPILER --
3141#
3142#	Do compiler checks that use the compiler.  This must go after
3143#	TEA_SETUP_COMPILER_CC, which does the actual compiler check.
3144#
3145# Arguments:
3146#	none
3147#
3148# Results:
3149#
3150#	Sets up CC var and other standard bits we need to make executables.
3151#------------------------------------------------------------------------
3152AC_DEFUN([TEA_SETUP_COMPILER], [
3153    # Any macros that use the compiler (e.g. AC_TRY_COMPILE) have to go here.
3154    AC_REQUIRE([TEA_SETUP_COMPILER_CC])
3155
3156    #------------------------------------------------------------------------
3157    # If we're using GCC, see if the compiler understands -pipe. If so, use it.
3158    # It makes compiling go faster.  (This is only a performance feature.)
3159    #------------------------------------------------------------------------
3160
3161    if test -z "$no_pipe" -a -n "$GCC"; then
3162	AC_CACHE_CHECK([if the compiler understands -pipe],
3163	    tcl_cv_cc_pipe, [
3164	    hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -pipe"
3165	    AC_TRY_COMPILE(,, tcl_cv_cc_pipe=yes, tcl_cv_cc_pipe=no)
3166	    CFLAGS=$hold_cflags])
3167	if test $tcl_cv_cc_pipe = yes; then
3168	    CFLAGS="$CFLAGS -pipe"
3169	fi
3170    fi
3171
3172    #--------------------------------------------------------------------
3173    # Common compiler flag setup
3174    #--------------------------------------------------------------------
3175
3176    AC_C_BIGENDIAN
3177    if test "${TEA_PLATFORM}" = "unix" ; then
3178	TEA_TCL_LINK_LIBS
3179	TEA_MISSING_POSIX_HEADERS
3180	# Let the user call this, because if it triggers, they will
3181	# need a compat/strtod.c that is correct.  Users can also
3182	# use Tcl_GetDouble(FromObj) instead.
3183	#TEA_BUGGY_STRTOD
3184    fi
3185])
3186
3187#------------------------------------------------------------------------
3188# TEA_MAKE_LIB --
3189#
3190#	Generate a line that can be used to build a shared/unshared library
3191#	in a platform independent manner.
3192#
3193# Arguments:
3194#	none
3195#
3196#	Requires:
3197#
3198# Results:
3199#
3200#	Defines the following vars:
3201#	CFLAGS -	Done late here to note disturb other AC macros
3202#       MAKE_LIB -      Command to execute to build the Tcl library;
3203#                       differs depending on whether or not Tcl is being
3204#                       compiled as a shared library.
3205#	MAKE_SHARED_LIB	Makefile rule for building a shared library
3206#	MAKE_STATIC_LIB	Makefile rule for building a static library
3207#	MAKE_STUB_LIB	Makefile rule for building a stub library
3208#------------------------------------------------------------------------
3209
3210AC_DEFUN([TEA_MAKE_LIB], [
3211    if test "${TEA_PLATFORM}" = "windows" -a "$GCC" != "yes"; then
3212	MAKE_STATIC_LIB="\${STLIB_LD} -out:\[$]@ \$(PKG_OBJECTS)"
3213	MAKE_SHARED_LIB="\${SHLIB_LD} \${SHLIB_LD_LIBS} \${LDFLAGS_DEFAULT} -out:\[$]@ \$(PKG_OBJECTS)"
3214	MAKE_STUB_LIB="\${STLIB_LD} -out:\[$]@ \$(PKG_STUB_OBJECTS)"
3215    else
3216	MAKE_STATIC_LIB="\${STLIB_LD} \[$]@ \$(PKG_OBJECTS)"
3217	MAKE_SHARED_LIB="\${SHLIB_LD} -o \[$]@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
3218	MAKE_STUB_LIB="\${STLIB_LD} \[$]@ \$(PKG_STUB_OBJECTS)"
3219    fi
3220
3221    if test "${SHARED_BUILD}" = "1" ; then
3222	MAKE_LIB="${MAKE_SHARED_LIB} "
3223    else
3224	MAKE_LIB="${MAKE_STATIC_LIB} "
3225    fi
3226
3227    #--------------------------------------------------------------------
3228    # Shared libraries and static libraries have different names.
3229    # Use the double eval to make sure any variables in the suffix is
3230    # substituted. (@@@ Might not be necessary anymore)
3231    #--------------------------------------------------------------------
3232
3233    if test "${TEA_PLATFORM}" = "windows" ; then
3234	if test "${SHARED_BUILD}" = "1" ; then
3235	    # We force the unresolved linking of symbols that are really in
3236	    # the private libraries of Tcl and Tk.
3237	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}`\""
3238	    if test x"${TK_BIN_DIR}" != x ; then
3239		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}`\""
3240	    fi
3241	    eval eval "PKG_LIB_FILE=${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
3242	else
3243	    eval eval "PKG_LIB_FILE=${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
3244	fi
3245	# Some packages build their own stubs libraries
3246	eval eval "PKG_STUB_LIB_FILE=${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
3247	if test "$GCC" = "yes"; then
3248	    PKG_STUB_LIB_FILE=lib${PKG_STUB_LIB_FILE}
3249	fi
3250	# These aren't needed on Windows (either MSVC or gcc)
3251	RANLIB=:
3252	RANLIB_STUB=:
3253    else
3254	RANLIB_STUB="${RANLIB}"
3255	if test "${SHARED_BUILD}" = "1" ; then
3256	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TCL_STUB_LIB_SPEC}"
3257	    if test x"${TK_BIN_DIR}" != x ; then
3258		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TK_STUB_LIB_SPEC}"
3259	    fi
3260	    eval eval "PKG_LIB_FILE=lib${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
3261	    RANLIB=:
3262	else
3263	    eval eval "PKG_LIB_FILE=lib${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
3264	fi
3265	# Some packages build their own stubs libraries
3266	eval eval "PKG_STUB_LIB_FILE=lib${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
3267    fi
3268
3269    # These are escaped so that only CFLAGS is picked up at configure time.
3270    # The other values will be substituted at make time.
3271    CFLAGS="${CFLAGS} \${CFLAGS_DEFAULT} \${CFLAGS_WARNING}"
3272    if test "${SHARED_BUILD}" = "1" ; then
3273	CFLAGS="${CFLAGS} \${SHLIB_CFLAGS}"
3274    fi
3275
3276    AC_SUBST(MAKE_LIB)
3277    AC_SUBST(MAKE_SHARED_LIB)
3278    AC_SUBST(MAKE_STATIC_LIB)
3279    AC_SUBST(MAKE_STUB_LIB)
3280    AC_SUBST(RANLIB_STUB)
3281])
3282
3283#------------------------------------------------------------------------
3284# TEA_LIB_SPEC --
3285#
3286#	Compute the name of an existing object library located in libdir
3287#	from the given base name and produce the appropriate linker flags.
3288#
3289# Arguments:
3290#	basename	The base name of the library without version
3291#			numbers, extensions, or "lib" prefixes.
3292#	extra_dir	Extra directory in which to search for the
3293#			library.  This location is used first, then
3294#			$prefix/$exec-prefix, then some defaults.
3295#
3296# Requires:
3297#	TEA_INIT and TEA_PREFIX must be called first.
3298#
3299# Results:
3300#
3301#	Defines the following vars:
3302#		${basename}_LIB_NAME	The computed library name.
3303#		${basename}_LIB_SPEC	The computed linker flags.
3304#------------------------------------------------------------------------
3305
3306AC_DEFUN([TEA_LIB_SPEC], [
3307    AC_MSG_CHECKING([for $1 library])
3308
3309    # Look in exec-prefix for the library (defined by TEA_PREFIX).
3310
3311    tea_lib_name_dir="${exec_prefix}/lib"
3312
3313    # Or in a user-specified location.
3314
3315    if test x"$2" != x ; then
3316	tea_extra_lib_dir=$2
3317    else
3318	tea_extra_lib_dir=NONE
3319    fi
3320
3321    for i in \
3322	    `ls -dr ${tea_extra_lib_dir}/$1[[0-9]]*.lib 2>/dev/null ` \
3323	    `ls -dr ${tea_extra_lib_dir}/lib$1[[0-9]]* 2>/dev/null ` \
3324	    `ls -dr ${tea_lib_name_dir}/$1[[0-9]]*.lib 2>/dev/null ` \
3325	    `ls -dr ${tea_lib_name_dir}/lib$1[[0-9]]* 2>/dev/null ` \
3326	    `ls -dr /usr/lib/$1[[0-9]]*.lib 2>/dev/null ` \
3327	    `ls -dr /usr/lib/lib$1[[0-9]]* 2>/dev/null ` \
3328	    `ls -dr /usr/local/lib/$1[[0-9]]*.lib 2>/dev/null ` \
3329	    `ls -dr /usr/local/lib/lib$1[[0-9]]* 2>/dev/null ` ; do
3330	if test -f "$i" ; then
3331	    tea_lib_name_dir=`dirname $i`
3332	    $1_LIB_NAME=`basename $i`
3333	    $1_LIB_PATH_NAME=$i
3334	    break
3335	fi
3336    done
3337
3338    if test "${TEA_PLATFORM}" = "windows"; then
3339	$1_LIB_SPEC=\"`${CYGPATH} ${$1_LIB_PATH_NAME} 2>/dev/null`\"
3340    else
3341	# Strip off the leading "lib" and trailing ".a" or ".so"
3342
3343	tea_lib_name_lib=`echo ${$1_LIB_NAME}|sed -e 's/^lib//' -e 's/\.[[^.]]*$//' -e 's/\.so.*//'`
3344	$1_LIB_SPEC="-L${tea_lib_name_dir} -l${tea_lib_name_lib}"
3345    fi
3346
3347    if test "x${$1_LIB_NAME}" = x ; then
3348	AC_MSG_ERROR([not found])
3349    else
3350	AC_MSG_RESULT([${$1_LIB_SPEC}])
3351    fi
3352])
3353
3354#------------------------------------------------------------------------
3355# TEA_PRIVATE_TCL_HEADERS --
3356#
3357#	Locate the private Tcl include files
3358#
3359# Arguments:
3360#
3361#	Requires:
3362#		TCL_SRC_DIR	Assumes that TEA_LOAD_TCLCONFIG has
3363#				 already been called.
3364#
3365# Results:
3366#
3367#	Substs the following vars:
3368#		TCL_TOP_DIR_NATIVE
3369#		TCL_GENERIC_DIR_NATIVE
3370#		TCL_UNIX_DIR_NATIVE
3371#		TCL_WIN_DIR_NATIVE
3372#		TCL_BMAP_DIR_NATIVE
3373#		TCL_TOOL_DIR_NATIVE
3374#		TCL_PLATFORM_DIR_NATIVE
3375#		TCL_BIN_DIR_NATIVE
3376#		TCL_INCLUDES
3377#------------------------------------------------------------------------
3378
3379AC_DEFUN([TEA_PRIVATE_TCL_HEADERS], [
3380    AC_MSG_CHECKING([for Tcl private include files])
3381
3382    TCL_SRC_DIR_NATIVE=`${CYGPATH} ${TCL_SRC_DIR}`
3383    TCL_TOP_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}\"
3384    TCL_GENERIC_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/generic\"
3385    TCL_UNIX_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/unix\"
3386    TCL_WIN_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/win\"
3387    TCL_BMAP_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/bitmaps\"
3388    TCL_TOOL_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/tools\"
3389    TCL_COMPAT_DIR_NATIVE=\"${TCL_SRC_DIR_NATIVE}/compat\"
3390
3391    if test "${TEA_PLATFORM}" = "windows"; then
3392	TCL_PLATFORM_DIR_NATIVE=${TCL_WIN_DIR_NATIVE}
3393    else
3394	TCL_PLATFORM_DIR_NATIVE=${TCL_UNIX_DIR_NATIVE}
3395    fi
3396    # We want to ensure these are substituted so as not to require
3397    # any *_NATIVE vars be defined in the Makefile
3398    TCL_INCLUDES="-I${TCL_GENERIC_DIR_NATIVE} -I${TCL_PLATFORM_DIR_NATIVE}"
3399    if test "`uname -s`" = "Darwin"; then
3400        # If Tcl was built as a framework, attempt to use
3401        # the framework's Headers and PrivateHeaders directories
3402        case ${TCL_DEFS} in
3403	    *TCL_FRAMEWORK*)
3404	        if test -d "${TCL_BIN_DIR}/Headers" -a -d "${TCL_BIN_DIR}/PrivateHeaders"; then
3405	        TCL_INCLUDES="-I\"${TCL_BIN_DIR}/Headers\" -I\"${TCL_BIN_DIR}/PrivateHeaders\" ${TCL_INCLUDES}"; else
3406	        TCL_INCLUDES="${TCL_INCLUDES} ${TCL_INCLUDE_SPEC} `echo "${TCL_INCLUDE_SPEC}" | sed -e 's/Headers/PrivateHeaders/'`"; fi
3407	        ;;
3408	esac
3409    else
3410	if test ! -f "${TCL_SRC_DIR}/generic/tclInt.h" ; then
3411	    AC_MSG_ERROR([Cannot find private header tclInt.h in ${TCL_SRC_DIR}])
3412	fi
3413    fi
3414
3415
3416    AC_SUBST(TCL_TOP_DIR_NATIVE)
3417    AC_SUBST(TCL_GENERIC_DIR_NATIVE)
3418    AC_SUBST(TCL_UNIX_DIR_NATIVE)
3419    AC_SUBST(TCL_WIN_DIR_NATIVE)
3420    AC_SUBST(TCL_BMAP_DIR_NATIVE)
3421    AC_SUBST(TCL_TOOL_DIR_NATIVE)
3422    AC_SUBST(TCL_PLATFORM_DIR_NATIVE)
3423
3424    AC_SUBST(TCL_INCLUDES)
3425    AC_MSG_RESULT([Using srcdir found in tclConfig.sh: ${TCL_SRC_DIR}])
3426])
3427
3428#------------------------------------------------------------------------
3429# TEA_PUBLIC_TCL_HEADERS --
3430#
3431#	Locate the installed public Tcl header files
3432#
3433# Arguments:
3434#	None.
3435#
3436# Requires:
3437#	CYGPATH must be set
3438#
3439# Results:
3440#
3441#	Adds a --with-tclinclude switch to configure.
3442#	Result is cached.
3443#
3444#	Substs the following vars:
3445#		TCL_INCLUDES
3446#------------------------------------------------------------------------
3447
3448AC_DEFUN([TEA_PUBLIC_TCL_HEADERS], [
3449    AC_MSG_CHECKING([for Tcl public headers])
3450
3451    AC_ARG_WITH(tclinclude, [  --with-tclinclude       directory containing the public Tcl header files], with_tclinclude=${withval})
3452
3453    AC_CACHE_VAL(ac_cv_c_tclh, [
3454	# Use the value from --with-tclinclude, if it was given
3455
3456	if test x"${with_tclinclude}" != x ; then
3457	    if test -f "${with_tclinclude}/tcl.h" ; then
3458		ac_cv_c_tclh=${with_tclinclude}
3459	    else
3460		AC_MSG_ERROR([${with_tclinclude} directory does not contain tcl.h])
3461	    fi
3462	else
3463	    if test "`uname -s`" = "Darwin"; then
3464		# If Tcl was built as a framework, attempt to use
3465		# the framework's Headers directory
3466		case ${TCL_DEFS} in
3467		    *TCL_FRAMEWORK*)
3468			list="`ls -d ${TCL_BIN_DIR}/Headers 2>/dev/null`"
3469			;;
3470		esac
3471	    fi
3472
3473	    # Look in the source dir only if Tcl is not installed,
3474	    # and in that situation, look there before installed locations.
3475	    if test -f "${TCL_BIN_DIR}/Makefile" ; then
3476		list="$list `ls -d ${TCL_SRC_DIR}/generic 2>/dev/null`"
3477	    fi
3478
3479	    # Check order: pkg --prefix location, Tcl's --prefix location,
3480	    # relative to directory of tclConfig.sh.
3481
3482	    eval "temp_includedir=${includedir}"
3483	    list="$list \
3484		`ls -d ${temp_includedir}        2>/dev/null` \
3485		`ls -d ${TCL_PREFIX}/include     2>/dev/null` \
3486		`ls -d ${TCL_BIN_DIR}/../include 2>/dev/null`"
3487	    if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
3488		list="$list /usr/local/include /usr/include"
3489		if test x"${TCL_INCLUDE_SPEC}" != x ; then
3490		    d=`echo "${TCL_INCLUDE_SPEC}" | sed -e 's/^-I//'`
3491		    list="$list `ls -d ${d} 2>/dev/null`"
3492		fi
3493	    fi
3494	    for i in $list ; do
3495		if test -f "$i/tcl.h" ; then
3496		    ac_cv_c_tclh=$i
3497		    break
3498		fi
3499	    done
3500	fi
3501    ])
3502
3503    # Print a message based on how we determined the include path
3504
3505    if test x"${ac_cv_c_tclh}" = x ; then
3506	AC_MSG_ERROR([tcl.h not found.  Please specify its location with --with-tclinclude])
3507    else
3508	AC_MSG_RESULT([${ac_cv_c_tclh}])
3509    fi
3510
3511    # Convert to a native path and substitute into the output files.
3512
3513    INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tclh}`
3514
3515    TCL_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
3516
3517    AC_SUBST(TCL_INCLUDES)
3518])
3519
3520#------------------------------------------------------------------------
3521# TEA_PRIVATE_TK_HEADERS --
3522#
3523#	Locate the private Tk include files
3524#
3525# Arguments:
3526#
3527#	Requires:
3528#		TK_SRC_DIR	Assumes that TEA_LOAD_TKCONFIG has
3529#				 already been called.
3530#
3531# Results:
3532#
3533#	Substs the following vars:
3534#		TK_INCLUDES
3535#------------------------------------------------------------------------
3536
3537AC_DEFUN([TEA_PRIVATE_TK_HEADERS], [
3538    AC_MSG_CHECKING([for Tk private include files])
3539
3540    TK_SRC_DIR_NATIVE=`${CYGPATH} ${TK_SRC_DIR}`
3541    TK_TOP_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}\"
3542    TK_UNIX_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/unix\"
3543    TK_WIN_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/win\"
3544    TK_GENERIC_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/generic\"
3545    TK_XLIB_DIR_NATIVE=\"${TK_SRC_DIR_NATIVE}/xlib\"
3546    if test "${TEA_PLATFORM}" = "windows"; then
3547	TK_PLATFORM_DIR_NATIVE=${TK_WIN_DIR_NATIVE}
3548    else
3549	TK_PLATFORM_DIR_NATIVE=${TK_UNIX_DIR_NATIVE}
3550    fi
3551    # We want to ensure these are substituted so as not to require
3552    # any *_NATIVE vars be defined in the Makefile
3553    TK_INCLUDES="-I${TK_GENERIC_DIR_NATIVE} -I${TK_PLATFORM_DIR_NATIVE}"
3554    if test "${TEA_WINDOWINGSYSTEM}" = "win32" \
3555	-o "${TEA_WINDOWINGSYSTEM}" = "aqua"; then
3556	TK_INCLUDES="${TK_INCLUDES} -I${TK_XLIB_DIR_NATIVE}"
3557    fi
3558    if test "${TEA_WINDOWINGSYSTEM}" = "aqua"; then
3559	TK_INCLUDES="${TK_INCLUDES} -I${TK_SRC_DIR_NATIVE}/macosx"
3560    fi
3561    if test "`uname -s`" = "Darwin"; then
3562        # If Tk was built as a framework, attempt to use
3563        # the framework's Headers and PrivateHeaders directories
3564        case ${TK_DEFS} in
3565	    *TK_FRAMEWORK*)
3566	        if test -d "${TK_BIN_DIR}/Headers" -a -d "${TK_BIN_DIR}/PrivateHeaders"; then
3567	        TK_INCLUDES="-I\"${TK_BIN_DIR}/Headers\" -I\"${TK_BIN_DIR}/PrivateHeaders\" ${TK_INCLUDES}"; fi
3568	        ;;
3569	esac
3570    else
3571	if test ! -f "${TK_SRC_DIR}/generic/tkInt.h" ; then
3572	    AC_MSG_ERROR([Cannot find private header tkInt.h in ${TK_SRC_DIR}])
3573	fi
3574    fi
3575
3576    AC_SUBST(TK_TOP_DIR_NATIVE)
3577    AC_SUBST(TK_UNIX_DIR_NATIVE)
3578    AC_SUBST(TK_WIN_DIR_NATIVE)
3579    AC_SUBST(TK_GENERIC_DIR_NATIVE)
3580    AC_SUBST(TK_XLIB_DIR_NATIVE)
3581    AC_SUBST(TK_PLATFORM_DIR_NATIVE)
3582
3583    AC_SUBST(TK_INCLUDES)
3584    AC_MSG_RESULT([Using srcdir found in tkConfig.sh: ${TK_SRC_DIR}])
3585])
3586
3587#------------------------------------------------------------------------
3588# TEA_PUBLIC_TK_HEADERS --
3589#
3590#	Locate the installed public Tk header files
3591#
3592# Arguments:
3593#	None.
3594#
3595# Requires:
3596#	CYGPATH must be set
3597#
3598# Results:
3599#
3600#	Adds a --with-tkinclude switch to configure.
3601#	Result is cached.
3602#
3603#	Substs the following vars:
3604#		TK_INCLUDES
3605#------------------------------------------------------------------------
3606
3607AC_DEFUN([TEA_PUBLIC_TK_HEADERS], [
3608    AC_MSG_CHECKING([for Tk public headers])
3609
3610    AC_ARG_WITH(tkinclude, [  --with-tkinclude      directory containing the public Tk header files.], with_tkinclude=${withval})
3611
3612    AC_CACHE_VAL(ac_cv_c_tkh, [
3613	# Use the value from --with-tkinclude, if it was given
3614
3615	if test x"${with_tkinclude}" != x ; then
3616	    if test -f "${with_tkinclude}/tk.h" ; then
3617		ac_cv_c_tkh=${with_tkinclude}
3618	    else
3619		AC_MSG_ERROR([${with_tkinclude} directory does not contain tk.h])
3620	    fi
3621	else
3622	    if test "`uname -s`" = "Darwin"; then
3623		# If Tk was built as a framework, attempt to use
3624		# the framework's Headers directory.
3625		case ${TK_DEFS} in
3626		    *TK_FRAMEWORK*)
3627			list="`ls -d ${TK_BIN_DIR}/Headers 2>/dev/null`"
3628			;;
3629		esac
3630	    fi
3631
3632	    # Look in the source dir only if Tk is not installed,
3633	    # and in that situation, look there before installed locations.
3634	    if test -f "${TK_BIN_DIR}/Makefile" ; then
3635		list="$list `ls -d ${TK_SRC_DIR}/generic 2>/dev/null`"
3636	    fi
3637
3638	    # Check order: pkg --prefix location, Tk's --prefix location,
3639	    # relative to directory of tkConfig.sh, Tcl's --prefix location,
3640	    # relative to directory of tclConfig.sh.
3641
3642	    eval "temp_includedir=${includedir}"
3643	    list="$list \
3644		`ls -d ${temp_includedir}        2>/dev/null` \
3645		`ls -d ${TK_PREFIX}/include      2>/dev/null` \
3646		`ls -d ${TK_BIN_DIR}/../include  2>/dev/null` \
3647		`ls -d ${TCL_PREFIX}/include     2>/dev/null` \
3648		`ls -d ${TCL_BIN_DIR}/../include 2>/dev/null`"
3649	    if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
3650		list="$list /usr/local/include /usr/include"
3651	    fi
3652	    for i in $list ; do
3653		if test -f "$i/tk.h" ; then
3654		    ac_cv_c_tkh=$i
3655		    break
3656		fi
3657	    done
3658	fi
3659    ])
3660
3661    # Print a message based on how we determined the include path
3662
3663    if test x"${ac_cv_c_tkh}" = x ; then
3664	AC_MSG_ERROR([tk.h not found.  Please specify its location with --with-tkinclude])
3665    else
3666	AC_MSG_RESULT([${ac_cv_c_tkh}])
3667    fi
3668
3669    # Convert to a native path and substitute into the output files.
3670
3671    INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tkh}`
3672
3673    TK_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
3674
3675    AC_SUBST(TK_INCLUDES)
3676
3677    if test "${TEA_WINDOWINGSYSTEM}" = "win32" \
3678	-o "${TEA_WINDOWINGSYSTEM}" = "aqua"; then
3679	# On Windows and Aqua, we need the X compat headers
3680	AC_MSG_CHECKING([for X11 header files])
3681	if test ! -r "${INCLUDE_DIR_NATIVE}/X11/Xlib.h"; then
3682	    INCLUDE_DIR_NATIVE="`${CYGPATH} ${TK_SRC_DIR}/xlib`"
3683	    TK_XINCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
3684	    AC_SUBST(TK_XINCLUDES)
3685	fi
3686	AC_MSG_RESULT([${INCLUDE_DIR_NATIVE}])
3687    fi
3688])
3689
3690#------------------------------------------------------------------------
3691# TEA_PROG_TCLSH
3692#	Determine the fully qualified path name of the tclsh executable
3693#	in the Tcl build directory or the tclsh installed in a bin
3694#	directory. This macro will correctly determine the name
3695#	of the tclsh executable even if tclsh has not yet been
3696#	built in the build directory. The tclsh found is always
3697#	associated with a tclConfig.sh file. This tclsh should be used
3698#	only for running extension test cases. It should never be
3699#	or generation of files (like pkgIndex.tcl) at build time.
3700#
3701# Arguments
3702#	none
3703#
3704# Results
3705#	Subst's the following values:
3706#		TCLSH_PROG
3707#------------------------------------------------------------------------
3708
3709AC_DEFUN([TEA_PROG_TCLSH], [
3710    AC_MSG_CHECKING([for tclsh])
3711    if test -f "${TCL_BIN_DIR}/Makefile" ; then
3712        # tclConfig.sh is in Tcl build directory
3713        if test "${TEA_PLATFORM}" = "windows"; then
3714            TCLSH_PROG="${TCL_BIN_DIR}/tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}"
3715        else
3716            TCLSH_PROG="${TCL_BIN_DIR}/tclsh"
3717        fi
3718    else
3719        # tclConfig.sh is in install location
3720        if test "${TEA_PLATFORM}" = "windows"; then
3721            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}${TCL_MINOR_VERSION}${TCL_DBGX}${EXEEXT}"
3722        else
3723            TCLSH_PROG="tclsh${TCL_MAJOR_VERSION}.${TCL_MINOR_VERSION}${TCL_DBGX}"
3724        fi
3725        list="`ls -d ${TCL_BIN_DIR}/../bin 2>/dev/null` \
3726              `ls -d ${TCL_BIN_DIR}/..     2>/dev/null` \
3727              `ls -d ${TCL_PREFIX}/bin     2>/dev/null`"
3728        for i in $list ; do
3729            if test -f "$i/${TCLSH_PROG}" ; then
3730                REAL_TCL_BIN_DIR="`cd "$i"; pwd`"
3731                break
3732            fi
3733        done
3734        TCLSH_PROG="${REAL_TCL_BIN_DIR}/${TCLSH_PROG}"
3735    fi
3736    AC_MSG_RESULT([${TCLSH_PROG}])
3737    AC_SUBST(TCLSH_PROG)
3738])
3739
3740#------------------------------------------------------------------------
3741# TEA_PROG_WISH
3742#	Determine the fully qualified path name of the wish executable
3743#	in the Tk build directory or the wish installed in a bin
3744#	directory. This macro will correctly determine the name
3745#	of the wish executable even if wish has not yet been
3746#	built in the build directory. The wish found is always
3747#	associated with a tkConfig.sh file. This wish should be used
3748#	only for running extension test cases. It should never be
3749#	or generation of files (like pkgIndex.tcl) at build time.
3750#
3751# Arguments
3752#	none
3753#
3754# Results
3755#	Subst's the following values:
3756#		WISH_PROG
3757#------------------------------------------------------------------------
3758
3759AC_DEFUN([TEA_PROG_WISH], [
3760    AC_MSG_CHECKING([for wish])
3761    if test -f "${TK_BIN_DIR}/Makefile" ; then
3762        # tkConfig.sh is in Tk build directory
3763        if test "${TEA_PLATFORM}" = "windows"; then
3764            WISH_PROG="${TK_BIN_DIR}/wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}"
3765        else
3766            WISH_PROG="${TK_BIN_DIR}/wish"
3767        fi
3768    else
3769        # tkConfig.sh is in install location
3770        if test "${TEA_PLATFORM}" = "windows"; then
3771            WISH_PROG="wish${TK_MAJOR_VERSION}${TK_MINOR_VERSION}${TK_DBGX}${EXEEXT}"
3772        else
3773            WISH_PROG="wish${TK_MAJOR_VERSION}.${TK_MINOR_VERSION}${TK_DBGX}"
3774        fi
3775        list="`ls -d ${TK_BIN_DIR}/../bin 2>/dev/null` \
3776              `ls -d ${TK_BIN_DIR}/..     2>/dev/null` \
3777              `ls -d ${TK_PREFIX}/bin     2>/dev/null`"
3778        for i in $list ; do
3779            if test -f "$i/${WISH_PROG}" ; then
3780                REAL_TK_BIN_DIR="`cd "$i"; pwd`"
3781                break
3782            fi
3783        done
3784        WISH_PROG="${REAL_TK_BIN_DIR}/${WISH_PROG}"
3785    fi
3786    AC_MSG_RESULT([${WISH_PROG}])
3787    AC_SUBST(WISH_PROG)
3788])
3789
3790#------------------------------------------------------------------------
3791# TEA_PATH_CONFIG --
3792#
3793#	Locate the ${1}Config.sh file and perform a sanity check on
3794#	the ${1} compile flags.  These are used by packages like
3795#	[incr Tk] that load *Config.sh files from more than Tcl and Tk.
3796#
3797# Arguments:
3798#	none
3799#
3800# Results:
3801#
3802#	Adds the following arguments to configure:
3803#		--with-$1=...
3804#
3805#	Defines the following vars:
3806#		$1_BIN_DIR	Full path to the directory containing
3807#				the $1Config.sh file
3808#------------------------------------------------------------------------
3809
3810AC_DEFUN([TEA_PATH_CONFIG], [
3811    #
3812    # Ok, lets find the $1 configuration
3813    # First, look for one uninstalled.
3814    # the alternative search directory is invoked by --with-$1
3815    #
3816
3817    if test x"${no_$1}" = x ; then
3818	# we reset no_$1 in case something fails here
3819	no_$1=true
3820	AC_ARG_WITH($1, [  --with-$1              directory containing $1 configuration ($1Config.sh)], with_$1config=${withval})
3821	AC_MSG_CHECKING([for $1 configuration])
3822	AC_CACHE_VAL(ac_cv_c_$1config,[
3823
3824	    # First check to see if --with-$1 was specified.
3825	    if test x"${with_$1config}" != x ; then
3826		case ${with_$1config} in
3827		    */$1Config.sh )
3828			if test -f ${with_$1config}; then
3829			    AC_MSG_WARN([--with-$1 argument should refer to directory containing $1Config.sh, not to $1Config.sh itself])
3830			    with_$1config=`echo ${with_$1config} | sed 's!/$1Config\.sh$!!'`
3831			fi;;
3832		esac
3833		if test -f "${with_$1config}/$1Config.sh" ; then
3834		    ac_cv_c_$1config=`(cd ${with_$1config}; pwd)`
3835		else
3836		    AC_MSG_ERROR([${with_$1config} directory doesn't contain $1Config.sh])
3837		fi
3838	    fi
3839
3840	    # then check for a private $1 installation
3841	    if test x"${ac_cv_c_$1config}" = x ; then
3842		for i in \
3843			../$1 \
3844			`ls -dr ../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3845			`ls -dr ../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3846			`ls -dr ../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3847			`ls -dr ../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3848			../../$1 \
3849			`ls -dr ../../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3850			`ls -dr ../../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3851			`ls -dr ../../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3852			`ls -dr ../../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3853			../../../$1 \
3854			`ls -dr ../../../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3855			`ls -dr ../../../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3856			`ls -dr ../../../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3857			`ls -dr ../../../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3858			${srcdir}/../$1 \
3859			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]]*.[[0-9]]* 2>/dev/null` \
3860			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]][[0-9]] 2>/dev/null` \
3861			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]] 2>/dev/null` \
3862			`ls -dr ${srcdir}/../$1*[[0-9]].[[0-9]]* 2>/dev/null` \
3863			; do
3864		    if test -f "$i/$1Config.sh" ; then
3865			ac_cv_c_$1config=`(cd $i; pwd)`
3866			break
3867		    fi
3868		    if test -f "$i/unix/$1Config.sh" ; then
3869			ac_cv_c_$1config=`(cd $i/unix; pwd)`
3870			break
3871		    fi
3872		done
3873	    fi
3874
3875	    # check in a few common install locations
3876	    if test x"${ac_cv_c_$1config}" = x ; then
3877		for i in `ls -d ${libdir} 2>/dev/null` \
3878			`ls -d ${exec_prefix}/lib 2>/dev/null` \
3879			`ls -d ${prefix}/lib 2>/dev/null` \
3880			`ls -d /usr/local/lib 2>/dev/null` \
3881			`ls -d /usr/contrib/lib 2>/dev/null` \
3882			`ls -d /usr/lib 2>/dev/null` \
3883			; do
3884		    if test -f "$i/$1Config.sh" ; then
3885			ac_cv_c_$1config=`(cd $i; pwd)`
3886			break
3887		    fi
3888		done
3889	    fi
3890	])
3891
3892	if test x"${ac_cv_c_$1config}" = x ; then
3893	    $1_BIN_DIR="# no $1 configs found"
3894	    AC_MSG_WARN([Cannot find $1 configuration definitions])
3895	    exit 0
3896	else
3897	    no_$1=
3898	    $1_BIN_DIR=${ac_cv_c_$1config}
3899	    AC_MSG_RESULT([found $$1_BIN_DIR/$1Config.sh])
3900	fi
3901    fi
3902])
3903
3904#------------------------------------------------------------------------
3905# TEA_LOAD_CONFIG --
3906#
3907#	Load the $1Config.sh file
3908#
3909# Arguments:
3910#
3911#	Requires the following vars to be set:
3912#		$1_BIN_DIR
3913#
3914# Results:
3915#
3916#	Subst the following vars:
3917#		$1_SRC_DIR
3918#		$1_LIB_FILE
3919#		$1_LIB_SPEC
3920#
3921#------------------------------------------------------------------------
3922
3923AC_DEFUN([TEA_LOAD_CONFIG], [
3924    AC_MSG_CHECKING([for existence of ${$1_BIN_DIR}/$1Config.sh])
3925
3926    if test -f "${$1_BIN_DIR}/$1Config.sh" ; then
3927        AC_MSG_RESULT([loading])
3928	. ${$1_BIN_DIR}/$1Config.sh
3929    else
3930        AC_MSG_RESULT([file not found])
3931    fi
3932
3933    #
3934    # If the $1_BIN_DIR is the build directory (not the install directory),
3935    # then set the common variable name to the value of the build variables.
3936    # For example, the variable $1_LIB_SPEC will be set to the value
3937    # of $1_BUILD_LIB_SPEC. An extension should make use of $1_LIB_SPEC
3938    # instead of $1_BUILD_LIB_SPEC since it will work with both an
3939    # installed and uninstalled version of Tcl.
3940    #
3941
3942    if test -f ${$1_BIN_DIR}/Makefile ; then
3943	AC_MSG_WARN([Found Makefile - using build library specs for $1])
3944        $1_LIB_SPEC=${$1_BUILD_LIB_SPEC}
3945        $1_STUB_LIB_SPEC=${$1_BUILD_STUB_LIB_SPEC}
3946        $1_STUB_LIB_PATH=${$1_BUILD_STUB_LIB_PATH}
3947    fi
3948
3949    AC_SUBST($1_VERSION)
3950    AC_SUBST($1_BIN_DIR)
3951    AC_SUBST($1_SRC_DIR)
3952
3953    AC_SUBST($1_LIB_FILE)
3954    AC_SUBST($1_LIB_SPEC)
3955
3956    AC_SUBST($1_STUB_LIB_FILE)
3957    AC_SUBST($1_STUB_LIB_SPEC)
3958    AC_SUBST($1_STUB_LIB_PATH)
3959])
3960
3961#------------------------------------------------------------------------
3962# TEA_PATH_CELIB --
3963#
3964#	Locate Keuchel's celib emulation layer for targeting Win/CE
3965#
3966# Arguments:
3967#	none
3968#
3969# Results:
3970#
3971#	Adds the following arguments to configure:
3972#		--with-celib=...
3973#
3974#	Defines the following vars:
3975#		CELIB_DIR	Full path to the directory containing
3976#				the include and platform lib files
3977#------------------------------------------------------------------------
3978
3979AC_DEFUN([TEA_PATH_CELIB], [
3980    # First, look for one uninstalled.
3981    # the alternative search directory is invoked by --with-celib
3982
3983    if test x"${no_celib}" = x ; then
3984	# we reset no_celib in case something fails here
3985	no_celib=true
3986	AC_ARG_WITH(celib,[  --with-celib=DIR        use Windows/CE support library from DIR], with_celibconfig=${withval})
3987	AC_MSG_CHECKING([for Windows/CE celib directory])
3988	AC_CACHE_VAL(ac_cv_c_celibconfig,[
3989	    # First check to see if --with-celibconfig was specified.
3990	    if test x"${with_celibconfig}" != x ; then
3991		if test -d "${with_celibconfig}/inc" ; then
3992		    ac_cv_c_celibconfig=`(cd ${with_celibconfig}; pwd)`
3993		else
3994		    AC_MSG_ERROR([${with_celibconfig} directory doesn't contain inc directory])
3995		fi
3996	    fi
3997
3998	    # then check for a celib library
3999	    if test x"${ac_cv_c_celibconfig}" = x ; then
4000		for i in \
4001			../celib-palm-3.0 \
4002			../celib \
4003			../../celib-palm-3.0 \
4004			../../celib \
4005			`ls -dr ../celib-*3.[[0-9]]* 2>/dev/null` \
4006			${srcdir}/../celib-palm-3.0 \
4007			${srcdir}/../celib \
4008			`ls -dr ${srcdir}/../celib-*3.[[0-9]]* 2>/dev/null` \
4009			; do
4010		    if test -d "$i/inc" ; then
4011			ac_cv_c_celibconfig=`(cd $i; pwd)`
4012			break
4013		    fi
4014		done
4015	    fi
4016	])
4017	if test x"${ac_cv_c_celibconfig}" = x ; then
4018	    AC_MSG_ERROR([Cannot find celib support library directory])
4019	else
4020	    no_celib=
4021	    CELIB_DIR=${ac_cv_c_celibconfig}
4022	    CELIB_DIR=`echo "$CELIB_DIR" | sed -e 's!\\\!/!g'`
4023	    AC_MSG_RESULT([found $CELIB_DIR])
4024	fi
4025    fi
4026])
4027
4028
4029# Local Variables:
4030# mode: autoconf
4031# End:
4032