1dnl Process this file with autoconf to produce a configure script
2dnl
3AC_PREREQ(2.57)
4AC_INIT(ldmain.c)
5
6AC_CANONICAL_SYSTEM
7AC_ISC_POSIX
8
9changequote(,)dnl
10BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ 	]*\([^ 	]*\)[ 	]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
11changequote([,])dnl
12AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
13
14AM_PROG_LIBTOOL
15
16AC_ARG_WITH(lib-path, [  --with-lib-path=dir1:dir2...  set default LIB_PATH],LIB_PATH=$withval)
17AC_ARG_ENABLE(targets,
18[  --enable-targets        alternative target configurations],
19[case "${enableval}" in
20  yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
21            ;;
22  no)       enable_targets= ;;
23  *)        enable_targets=$enableval ;;
24esac])dnl
25AC_ARG_ENABLE(64-bit-bfd,
26[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
27[case "${enableval}" in
28  yes)  want64=true  ;;
29  no)   want64=false ;;
30  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
31esac],[want64=false])dnl
32
33AC_ARG_WITH(sysroot,
34[  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
35[
36 case ${with_sysroot} in
37 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
38 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
39 esac
40
41 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
42 use_sysroot=yes
43
44 if test "x$exec_prefix" = xNONE; then
45  if test "x$prefix" = xNONE; then
46   test_prefix=/usr/local
47  else
48   test_prefix=$prefix
49  fi
50 else
51  test_prefix=$exec_prefix
52 fi
53 case ${TARGET_SYSTEM_ROOT} in
54 "${test_prefix}"|"${test_prefix}/"*|\
55 '${exec_prefix}'|'${exec_prefix}/'*)
56   t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
57   TARGET_SYSTEM_ROOT_DEFINE="$t"
58   ;;
59 esac
60], [
61 use_sysroot=no
62 TARGET_SYSTEM_ROOT=
63 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
64])
65AC_SUBST(use_sysroot)
66AC_SUBST(TARGET_SYSTEM_ROOT)
67AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
68
69AM_BINUTILS_WARNINGS
70
71AM_CONFIG_HEADER(config.h:config.in)
72
73if test -z "$target" ; then
74    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
75fi
76if test -z "$host" ; then
77    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
78fi
79
80# host-specific stuff:
81
82AC_PROG_CC
83AC_PROG_INSTALL
84
85ALL_LINGUAS="fr sv tr es da vi zh_CN"
86CY_GNU_GETTEXT
87
88AC_EXEEXT
89
90AC_PROG_YACC
91AM_PROG_LEX
92
93AM_MAINTAINER_MODE
94
95. ${srcdir}/configure.host
96
97AC_SUBST(HDEFINES)
98AC_SUBST(HOSTING_CRT0)
99AC_SUBST(HOSTING_LIBS)
100AC_SUBST(NATIVE_LIB_DIRS)
101
102AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h)
103AC_CHECK_FUNCS(sbrk realpath glob)
104AC_HEADER_DIRENT
105
106AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
107AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
108[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
109ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
110AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
111if test $ld_cv_decl_getopt_unistd_h = yes; then
112  AC_DEFINE([HAVE_DECL_GETOPT], 1,
113	    [Is the prototype for getopt in <unistd.h> in the expected format?])
114fi
115
116BFD_BINARY_FOPEN
117
118AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
119
120# When converting linker scripts into strings for use in emulation
121# files, use astring.sed if the compiler supports ANSI string
122# concatenation, or ostring.sed otherwise.  This is to support the
123# broken Microsoft MSVC compiler, which limits the length of string
124# constants, while still supporting pre-ANSI compilers which do not
125# support string concatenation.
126AC_MSG_CHECKING([whether ANSI C string concatenation works])
127AC_CACHE_VAL(ld_cv_string_concatenation,
128[AC_TRY_COMPILE(,[char *a = "a" "a";],
129  [ld_cv_string_concatenation=yes],
130  [ld_cv_string_concatenation=no])])
131AC_MSG_RESULT($ld_cv_string_concatenation)
132if test "$ld_cv_string_concatenation" = "yes"; then
133  STRINGIFY=astring.sed
134else
135  STRINGIFY=ostring.sed
136fi
137AC_SUBST(STRINGIFY)
138
139# target-specific stuff:
140
141all_targets=
142EMUL=
143all_emuls=
144all_emul_extras=
145all_libpath=
146
147dnl We need to get an arbitrary number of tdir definitions into
148dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
149dnl not permit literal newlines in an AC_SUBST variables.  So we use a
150dnl file.
151rm -f tdirs
152
153for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
154do
155  if test "$targ_alias" = "all"; then
156    all_targets=true
157  else
158    # Canonicalize the secondary target names.
159    result=`$ac_config_sub $targ_alias 2>/dev/null`
160    if test -n "$result"; then
161	targ=$result
162    else
163	targ=$targ_alias
164    fi
165
166    . ${srcdir}/configure.tgt
167
168    if test "$targ" = "$target"; then
169      EMUL=$targ_emul
170    fi
171
172    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
173	case " $all_emuls " in
174	*" e${i}.o "*) ;;
175	*)
176	  all_emuls="$all_emuls e${i}.o"
177	  eval result=\$tdir_$i
178	  test -z "$result" && result=$targ_alias
179	  echo tdir_$i=$result >> tdirs
180	  ;;
181	esac
182    done
183
184    for i in $targ_emul $targ_extra_libpath; do
185	case " $all_libpath " in
186	*" ${i} "*) ;;
187	*)
188	  if test -z "$all_libpath"; then
189	    all_libpath=${i}
190	  else
191	    all_libpath="$all_libpath ${i}"
192	  fi
193	  ;;
194	esac
195    done
196
197    for i in $targ_extra_ofiles; do
198	case " $all_emul_extras " in
199	*" ${i} "*) ;;
200	*)
201	  all_emul_extras="$all_emul_extras ${i}"
202	  ;;
203	esac
204    done
205  fi
206done
207
208AC_SUBST(EMUL)
209
210TDIRS=tdirs
211AC_SUBST_FILE(TDIRS)
212
213dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
214dnl target, and in those cases we should also build the 64 bit
215dnl emulations.
216if test x${all_targets} = xtrue; then
217  if test x${want64} = xtrue; then
218    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
219  else
220    EMULATION_OFILES='$(ALL_EMULATIONS)'
221  fi
222  EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
223else
224  EMULATION_OFILES=$all_emuls
225  EMUL_EXTRA_OFILES=$all_emul_extras
226fi
227AC_SUBST(EMULATION_OFILES)
228AC_SUBST(EMUL_EXTRA_OFILES)
229AC_SUBST(LIB_PATH)
230
231EMULATION_LIBPATH=$all_libpath
232AC_SUBST(EMULATION_LIBPATH)
233
234if test x${enable_static} = xno; then
235  TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
236else
237  TESTBFDLIB="../bfd/.libs/libbfd.a"
238fi
239AC_SUBST(TESTBFDLIB)
240
241target_vendor=${target_vendor=$host_vendor}
242case "$target_vendor" in
243  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
244  *)  EXTRA_SHLIB_EXTENSION= ;;
245esac
246
247case "$target_os" in
248  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
249esac
250
251if test x${EXTRA_SHLIB_EXTENSION} != x ; then
252  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
253   [Additional extension a shared object might have.])
254fi
255
256dnl Required by html and install-html
257AC_SUBST(datarootdir)
258AC_SUBST(docdir)
259AC_SUBST(htmldir)
260
261AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
262[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])
263