1dnl Process this file with autoconf to produce a configure script
2dnl
3AC_PREREQ(2.13)
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="$t"
58   ;;
59 esac
60], [
61 use_sysroot=no
62 TARGET_SYSTEM_ROOT=
63 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
64])
65AC_SUBST(use_sysroot)
66AC_SUBST(TARGET_SYSTEM_ROOT)
67AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
68
69build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
70AC_ARG_ENABLE(build-warnings,
71[  --enable-build-warnings enable build-time compiler warnings if gcc is used],
72[case "${enableval}" in
73  yes)	;;
74  no)	build_warnings="-w";;
75  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
76        build_warnings="${build_warnings} ${t}";;
77  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
78        build_warnings="${t} ${build_warnings}";;
79  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
80esac
81if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
82  echo "Setting warning flags = $build_warnings" 6>&1
83fi])dnl
84WARN_CFLAGS=""
85if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
86    WARN_CFLAGS="${build_warnings}"
87fi
88AC_SUBST(WARN_CFLAGS)
89
90AM_CONFIG_HEADER(config.h:config.in)
91
92if test -z "$target" ; then
93    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
94fi
95if test -z "$host" ; then
96    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
97fi
98
99# host-specific stuff:
100
101AC_PROG_CC
102AC_PROG_INSTALL
103
104ALL_LINGUAS="fr sv tr es da"
105CY_GNU_GETTEXT
106
107AC_EXEEXT
108
109AC_PROG_YACC
110AM_PROG_LEX
111
112AM_MAINTAINER_MODE
113
114. ${srcdir}/configure.host
115
116AC_SUBST(HDEFINES)
117AC_SUBST(HOSTING_CRT0)
118AC_SUBST(HOSTING_LIBS)
119AC_SUBST(NATIVE_LIB_DIRS)
120
121AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
122AC_CHECK_FUNCS(sbrk realpath glob)
123AC_HEADER_DIRENT
124
125BFD_BINARY_FOPEN
126
127BFD_NEED_DECLARATION(strstr)
128BFD_NEED_DECLARATION(free)
129BFD_NEED_DECLARATION(sbrk)
130BFD_NEED_DECLARATION(getenv)
131BFD_NEED_DECLARATION(environ)
132
133# When converting linker scripts into strings for use in emulation
134# files, use astring.sed if the compiler supports ANSI string
135# concatenation, or ostring.sed otherwise.  This is to support the
136# broken Microsoft MSVC compiler, which limits the length of string
137# constants, while still supporting pre-ANSI compilers which do not
138# support string concatenation.
139AC_MSG_CHECKING([whether ANSI C string concatenation works])
140AC_CACHE_VAL(ld_cv_string_concatenation,
141[AC_TRY_COMPILE(,[char *a = "a" "a";],
142  [ld_cv_string_concatenation=yes],
143  [ld_cv_string_concatenation=no])])
144AC_MSG_RESULT($ld_cv_string_concatenation)
145if test "$ld_cv_string_concatenation" = "yes"; then
146  STRINGIFY=astring.sed
147else
148  STRINGIFY=ostring.sed
149fi
150AC_SUBST(STRINGIFY)
151
152# target-specific stuff:
153
154all_targets=
155EMUL=
156all_emuls=
157all_emul_extras=
158all_libpath=
159
160dnl We need to get an arbitrary number of tdir definitions into
161dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
162dnl not permit literal newlines in an AC_SUBST variables.  So we use a
163dnl file.
164rm -f tdirs
165
166for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
167do
168  if test "$targ_alias" = "all"; then
169    all_targets=true
170  else
171    # Canonicalize the secondary target names.
172    result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
173    if test -n "$result"; then
174	targ=$result
175    else
176	targ=$targ_alias
177    fi
178
179    . ${srcdir}/configure.tgt
180
181    if test "$targ" = "$target"; then
182      EMUL=$targ_emul
183    fi
184
185    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
186	case " $all_emuls " in
187	*" e${i}.o "*) ;;
188	*)
189	  all_emuls="$all_emuls e${i}.o"
190	  eval result=\$tdir_$i
191	  test -z "$result" && result=$targ_alias
192	  echo tdir_$i=$result >> tdirs
193	  ;;
194	esac
195    done
196
197    for i in $targ_emul $targ_extra_libpath; do
198	case " $all_libpath " in
199	*" ${i} "*) ;;
200	*)
201	  if test -z "$all_libpath"; then
202	    all_libpath=${i}
203	  else
204	    all_libpath="$all_libpath ${i}"
205	  fi
206	  ;;
207	esac
208    done
209
210    for i in $targ_extra_ofiles; do
211	case " $all_emul_extras " in
212	*" ${i} "*) ;;
213	*)
214	  all_emul_extras="$all_emul_extras ${i}"
215	  ;;
216	esac
217    done
218  fi
219done
220
221AC_SUBST(EMUL)
222
223TDIRS=tdirs
224AC_SUBST_FILE(TDIRS)
225
226dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
227dnl target, and in those cases we should also build the 64 bit
228dnl emulations.
229if test x${all_targets} = xtrue; then
230  if test x${want64} = xtrue; then
231    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
232  else
233    EMULATION_OFILES='$(ALL_EMULATIONS)'
234  fi
235  EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
236else
237  EMULATION_OFILES=$all_emuls
238  EMUL_EXTRA_OFILES=$all_emul_extras
239fi
240AC_SUBST(EMULATION_OFILES)
241AC_SUBST(EMUL_EXTRA_OFILES)
242AC_SUBST(LIB_PATH)
243
244EMULATION_LIBPATH=$all_libpath
245AC_SUBST(EMULATION_LIBPATH)
246
247if test x${enable_static} = xno; then
248  TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
249else
250  TESTBFDLIB="../bfd/.libs/libbfd.a"
251fi
252AC_SUBST(TESTBFDLIB)
253
254target_vendor=${target_vendor=$host_vendor}
255case "$target_vendor" in
256  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
257  *)  EXTRA_SHLIB_EXTENSION= ;;
258esac
259
260case "$target_os" in
261  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
262esac
263
264if test x${EXTRA_SHLIB_EXTENSION} != x ; then
265  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
266   [Additional extension a shared object might have.])
267fi
268
269AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
270[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])
271