Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | dnl Process this file with autoconf to produce a configure script |
2 | dnl | |
42ecbf5e | 3 | AC_PREREQ(2.57) |
252b5132 RH |
4 | AC_INIT(ldmain.c) |
5 | ||
6 | AC_CANONICAL_SYSTEM | |
5d64ca4e | 7 | AC_ISC_POSIX |
252b5132 | 8 | |
27b7e12d AM |
9 | changequote(,)dnl |
10 | BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in` | |
11 | changequote([,])dnl | |
12 | AM_INIT_AUTOMAKE(ld, ${BFD_VERSION}) | |
252b5132 RH |
13 | |
14 | AM_PROG_LIBTOOL | |
15 | ||
8e523c23 | 16 | AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval) |
252b5132 RH |
17 | AC_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 ;; | |
24 | esac])dnl | |
25 | AC_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) ;; | |
31 | esac],[want64=false])dnl | |
32 | ||
9c8ebd6a DJ |
33 | AC_ARG_WITH(sysroot, |
34 | [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.], | |
35 | [ | |
36 | case ${with_sysroot} in | |
715d1656 | 37 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;; |
9c8ebd6a DJ |
38 | *) TARGET_SYSTEM_ROOT=$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 ${TARGET_SYSTEM_ROOT} in | |
715d1656 AO |
54 | "${test_prefix}"|"${test_prefix}/"*|\ |
55 | '${exec_prefix}'|'${exec_prefix}/'*) | |
9c8ebd6a DJ |
56 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
57 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
58 | ;; | |
59 | esac | |
60 | ], [ | |
61 | use_sysroot=no | |
62 | TARGET_SYSTEM_ROOT= | |
63 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' | |
64 | ]) | |
65 | AC_SUBST(use_sysroot) | |
66 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
67 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
68 | ||
9e9b66a9 AM |
69 | dnl FIXME: The following is bfd/warning.m4 contents expanded |
70 | dnl When converting to current autotools, please replace with | |
71 | dnl AM_BINUTILS_WARNINGS | |
72 | WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" | |
1ad12f97 | 73 | |
569acd2c NC |
74 | AC_ARG_ENABLE(werror, |
75 | [ --enable-werror treat compile warnings as errors], | |
1ad12f97 NC |
76 | [case "${enableval}" in |
77 | yes | y) ERROR_ON_WARNING="yes" ;; | |
78 | no | n) ERROR_ON_WARNING="no" ;; | |
569acd2c | 79 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; |
1ad12f97 NC |
80 | esac]) |
81 | ||
9e9b66a9 AM |
82 | # Enable -Werror by default when using gcc |
83 | if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then | |
84 | ERROR_ON_WARNING=yes | |
1ad12f97 | 85 | fi |
569acd2c | 86 | |
9e9b66a9 AM |
87 | NO_WERROR= |
88 | if test "${ERROR_ON_WARNING}" = yes ; then | |
89 | WARN_CFLAGS="$WARN_CFLAGS -Werror" | |
90 | NO_WERROR="-Wno-error" | |
91 | fi | |
92 | ||
a2d91340 | 93 | AC_ARG_ENABLE(build-warnings, |
9e9b66a9 | 94 | [ --enable-build-warnings Enable build-time compiler warnings], |
a2d91340 AC |
95 | [case "${enableval}" in |
96 | yes) ;; | |
9e9b66a9 | 97 | no) WARN_CFLAGS="-w";; |
a2d91340 | 98 | ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
9e9b66a9 | 99 | WARN_CFLAGS="${WARN_CFLAGS} ${t}";; |
a2d91340 | 100 | *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
9e9b66a9 AM |
101 | WARN_CFLAGS="${t} ${WARN_CFLAGS}";; |
102 | *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; | |
103 | esac]) | |
104 | ||
105 | if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then | |
106 | echo "Setting warning flags = $WARN_CFLAGS" 6>&1 | |
a2d91340 | 107 | fi |
9e9b66a9 | 108 | |
a2d91340 | 109 | AC_SUBST(WARN_CFLAGS) |
9e9b66a9 | 110 | AC_SUBST(NO_WERROR) |
a2d91340 | 111 | |
252b5132 RH |
112 | AM_CONFIG_HEADER(config.h:config.in) |
113 | ||
114 | if test -z "$target" ; then | |
115 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
116 | fi | |
117 | if test -z "$host" ; then | |
118 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
119 | fi | |
120 | ||
121 | # host-specific stuff: | |
122 | ||
123 | AC_PROG_CC | |
124 | AC_PROG_INSTALL | |
125 | ||
cd24c222 | 126 | ALL_LINGUAS="fr sv tr es da" |
252b5132 RH |
127 | CY_GNU_GETTEXT |
128 | ||
129 | AC_EXEEXT | |
130 | ||
131 | AC_PROG_YACC | |
132 | AM_PROG_LEX | |
133 | ||
134 | AM_MAINTAINER_MODE | |
135 | ||
136 | . ${srcdir}/configure.host | |
137 | ||
138 | AC_SUBST(HDEFINES) | |
139 | AC_SUBST(HOSTING_CRT0) | |
140 | AC_SUBST(HOSTING_LIBS) | |
141 | AC_SUBST(NATIVE_LIB_DIRS) | |
142 | ||
143 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h) | |
0b48acfe | 144 | AC_CHECK_FUNCS(sbrk realpath glob) |
252b5132 RH |
145 | AC_HEADER_DIRENT |
146 | ||
34875e64 NC |
147 | AC_MSG_CHECKING(for a known getopt prototype in unistd.h) |
148 | AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, | |
149 | [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);], | |
150 | ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) | |
151 | AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) | |
152 | if test $ld_cv_decl_getopt_unistd_h = yes; then | |
153 | AC_DEFINE([HAVE_DECL_GETOPT], 1, | |
154 | [Is the prototype for getopt in <unistd.h> in the expected format?]) | |
155 | fi | |
156 | ||
252b5132 RH |
157 | BFD_BINARY_FOPEN |
158 | ||
159 | BFD_NEED_DECLARATION(strstr) | |
160 | BFD_NEED_DECLARATION(free) | |
161 | BFD_NEED_DECLARATION(sbrk) | |
162 | BFD_NEED_DECLARATION(getenv) | |
163 | BFD_NEED_DECLARATION(environ) | |
164 | ||
597e2591 ILT |
165 | # When converting linker scripts into strings for use in emulation |
166 | # files, use astring.sed if the compiler supports ANSI string | |
167 | # concatenation, or ostring.sed otherwise. This is to support the | |
168 | # broken Microsoft MSVC compiler, which limits the length of string | |
169 | # constants, while still supporting pre-ANSI compilers which do not | |
170 | # support string concatenation. | |
e4dabd0e | 171 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 ILT |
172 | AC_CACHE_VAL(ld_cv_string_concatenation, |
173 | [AC_TRY_COMPILE(,[char *a = "a" "a";], | |
e4dabd0e AS |
174 | [ld_cv_string_concatenation=yes], |
175 | [ld_cv_string_concatenation=no])]) | |
176 | AC_MSG_RESULT($ld_cv_string_concatenation) | |
177 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
178 | STRINGIFY=astring.sed |
179 | else | |
180 | STRINGIFY=ostring.sed | |
181 | fi | |
182 | AC_SUBST(STRINGIFY) | |
183 | ||
252b5132 RH |
184 | # target-specific stuff: |
185 | ||
186 | all_targets= | |
187 | EMUL= | |
188 | all_emuls= | |
189 | all_emul_extras= | |
ba2be581 | 190 | all_libpath= |
252b5132 RH |
191 | |
192 | dnl We need to get an arbitrary number of tdir definitions into | |
193 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
194 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
195 | dnl file. | |
196 | rm -f tdirs | |
197 | ||
198 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
199 | do | |
200 | if test "$targ_alias" = "all"; then | |
201 | all_targets=true | |
202 | else | |
203 | # Canonicalize the secondary target names. | |
42ecbf5e | 204 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
205 | if test -n "$result"; then |
206 | targ=$result | |
207 | else | |
208 | targ=$targ_alias | |
209 | fi | |
210 | ||
211 | . ${srcdir}/configure.tgt | |
212 | ||
213 | if test "$targ" = "$target"; then | |
214 | EMUL=$targ_emul | |
215 | fi | |
216 | ||
3336653a | 217 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
218 | case " $all_emuls " in |
219 | *" e${i}.o "*) ;; | |
220 | *) | |
221 | all_emuls="$all_emuls e${i}.o" | |
222 | eval result=\$tdir_$i | |
223 | test -z "$result" && result=$targ_alias | |
224 | echo tdir_$i=$result >> tdirs | |
225 | ;; | |
226 | esac | |
227 | done | |
228 | ||
ba2be581 | 229 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
230 | case " $all_libpath " in |
231 | *" ${i} "*) ;; | |
232 | *) | |
ba2be581 RH |
233 | if test -z "$all_libpath"; then |
234 | all_libpath=${i} | |
235 | else | |
236 | all_libpath="$all_libpath ${i}" | |
237 | fi | |
3336653a RH |
238 | ;; |
239 | esac | |
240 | done | |
241 | ||
252b5132 RH |
242 | for i in $targ_extra_ofiles; do |
243 | case " $all_emul_extras " in | |
244 | *" ${i} "*) ;; | |
245 | *) | |
246 | all_emul_extras="$all_emul_extras ${i}" | |
247 | ;; | |
248 | esac | |
249 | done | |
250 | fi | |
251 | done | |
252 | ||
253 | AC_SUBST(EMUL) | |
254 | ||
255 | TDIRS=tdirs | |
256 | AC_SUBST_FILE(TDIRS) | |
257 | ||
258 | dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit | |
259 | dnl target, and in those cases we should also build the 64 bit | |
260 | dnl emulations. | |
261 | if test x${all_targets} = xtrue; then | |
262 | if test x${want64} = xtrue; then | |
263 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
264 | else | |
265 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
266 | fi | |
267 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
268 | else | |
269 | EMULATION_OFILES=$all_emuls | |
270 | EMUL_EXTRA_OFILES=$all_emul_extras | |
271 | fi | |
272 | AC_SUBST(EMULATION_OFILES) | |
273 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 274 | AC_SUBST(LIB_PATH) |
252b5132 | 275 | |
3336653a RH |
276 | EMULATION_LIBPATH=$all_libpath |
277 | AC_SUBST(EMULATION_LIBPATH) | |
278 | ||
252b5132 RH |
279 | if test x${enable_static} = xno; then |
280 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
281 | else | |
282 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
283 | fi | |
284 | AC_SUBST(TESTBFDLIB) | |
285 | ||
93a6d436 JL |
286 | target_vendor=${target_vendor=$host_vendor} |
287 | case "$target_vendor" in | |
288 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
289 | *) EXTRA_SHLIB_EXTENSION= ;; | |
290 | esac | |
f234d5fe NC |
291 | |
292 | case "$target_os" in | |
293 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
294 | esac | |
295 | ||
93a6d436 JL |
296 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
297 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
298 | [Additional extension a shared object might have.]) | |
299 | fi | |
300 | ||
252b5132 RH |
301 | AC_OUTPUT(Makefile po/Makefile.in:po/Make-in, |
302 | [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile]) |