Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | dnl Process this file with autoconf to produce a configure script |
2 | dnl | |
da594c4a AM |
3 | AC_PREREQ(2.59) |
4 | AC_INIT | |
5 | AC_CONFIG_SRCDIR(ldmain.c) | |
252b5132 | 6 | |
da594c4a | 7 | AC_CANONICAL_TARGET |
5d64ca4e | 8 | AC_ISC_POSIX |
252b5132 | 9 | |
27b7e12d AM |
10 | changequote(,)dnl |
11 | BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in` | |
12 | changequote([,])dnl | |
13 | AM_INIT_AUTOMAKE(ld, ${BFD_VERSION}) | |
64ac50ac | 14 | AM_MAINTAINER_MODE |
252b5132 | 15 | |
8e523c23 | 16 | AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval) |
252b5132 RH |
17 | AC_ARG_ENABLE(targets, |
18 | [ --enable-targets alternative target configurations], | |
19 | [case "${enableval}" in | |
da594c4a | 20 | yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all') |
252b5132 RH |
21 | ;; |
22 | no) enable_targets= ;; | |
23 | *) enable_targets=$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=\"$(TARGET_SYSTEM_ROOT)\"' | |
42 | use_sysroot=yes | |
43 | ||
fa1e8d8e RS |
44 | if test "x$prefix" = xNONE; then |
45 | test_prefix=/usr/local | |
46 | else | |
47 | test_prefix=$prefix | |
48 | fi | |
9c8ebd6a | 49 | if test "x$exec_prefix" = xNONE; then |
fa1e8d8e | 50 | test_exec_prefix=$test_prefix |
9c8ebd6a | 51 | else |
fa1e8d8e | 52 | test_exec_prefix=$exec_prefix |
9c8ebd6a DJ |
53 | fi |
54 | case ${TARGET_SYSTEM_ROOT} in | |
715d1656 | 55 | "${test_prefix}"|"${test_prefix}/"*|\ |
fa1e8d8e RS |
56 | "${test_exec_prefix}"|"${test_exec_prefix}/"*|\ |
57 | '${prefix}'|'${prefix}/'*|\ | |
715d1656 | 58 | '${exec_prefix}'|'${exec_prefix}/'*) |
9c8ebd6a DJ |
59 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
60 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
61 | ;; | |
62 | esac | |
63 | ], [ | |
64 | use_sysroot=no | |
65 | TARGET_SYSTEM_ROOT= | |
66 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' | |
67 | ]) | |
68 | AC_SUBST(use_sysroot) | |
69 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
70 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
71 | ||
4fda8867 NC |
72 | dnl Use --enable-gold to decide if this linker should be the default. |
73 | dnl "install_as_default" is set to false if gold is the default linker. | |
74 | dnl "installed_linker" is the installed BFD linker name. | |
75 | AC_ARG_ENABLE(gold, | |
76 | [[ --enable-gold[=ARG] build gold [ARG={both}[/{gold,ld}]]]], | |
77 | [case "${enableval}" in | |
78 | yes|both/gold) | |
79 | install_as_default=no | |
80 | installed_linker=ld.bfd | |
81 | ;; | |
82 | both|both/ld) | |
83 | install_as_default=yes | |
84 | installed_linker=ld.bfd | |
85 | ;; | |
86 | *) | |
87 | AC_MSG_ERROR([invalid --enable-gold argument]) | |
88 | ;; | |
89 | esac], | |
90 | [install_as_default=ld | |
91 | installed_linker=ld]) | |
92 | AC_SUBST(install_as_default) | |
93 | AC_SUBST(installed_linker) | |
94 | ||
7fb9f789 NC |
95 | AC_ARG_ENABLE([got], |
96 | AS_HELP_STRING([--enable-got=<type>], | |
97 | [GOT handling scheme (target, single, negative, multigot)]), | |
98 | [case "${enableval}" in | |
99 | target | single | negative | multigot) got_handling=$enableval ;; | |
da594c4a | 100 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;; |
7fb9f789 NC |
101 | esac], |
102 | [got_handling=target]) | |
103 | ||
104 | case "${got_handling}" in | |
105 | target) | |
106 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT], | |
107 | [Define to choose default GOT handling scheme]) ;; | |
108 | single) | |
109 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE], | |
110 | [Define to choose default GOT handling scheme]) ;; | |
111 | negative) | |
112 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE], | |
113 | [Define to choose default GOT handling scheme]) ;; | |
114 | multigot) | |
115 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT], | |
116 | [Define to choose default GOT handling scheme]) ;; | |
da594c4a | 117 | *) AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;; |
7fb9f789 NC |
118 | esac |
119 | ||
502bdb00 | 120 | AM_BINUTILS_WARNINGS |
a2d91340 | 121 | |
da594c4a | 122 | AC_CONFIG_HEADERS([config.h:config.in]) |
252b5132 RH |
123 | |
124 | if test -z "$target" ; then | |
125 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
126 | fi | |
127 | if test -z "$host" ; then | |
128 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
129 | fi | |
130 | ||
131 | # host-specific stuff: | |
132 | ||
133 | AC_PROG_CC | |
67310ccd | 134 | AC_GNU_SOURCE |
7357c5b6 | 135 | AC_USE_SYSTEM_EXTENSIONS |
da2f07f1 | 136 | ACX_LARGEFILE |
252b5132 RH |
137 | AC_PROG_INSTALL |
138 | ||
da594c4a | 139 | LT_INIT |
ce2cded5 | 140 | |
ef3f88be | 141 | ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg" |
20e95c23 DJ |
142 | ZW_GNU_GETTEXT_SISTER_DIR |
143 | AM_PO_SUBDIRS | |
252b5132 RH |
144 | |
145 | AC_EXEEXT | |
146 | ||
147 | AC_PROG_YACC | |
148 | AM_PROG_LEX | |
149 | ||
150 | AM_MAINTAINER_MODE | |
d5fbea21 | 151 | AM_CONDITIONAL(GENINSRC_NEVER, false) |
eccbf555 | 152 | ACX_PROG_CMP_IGNORE_INITIAL |
252b5132 RH |
153 | |
154 | . ${srcdir}/configure.host | |
155 | ||
156 | AC_SUBST(HDEFINES) | |
157 | AC_SUBST(HOSTING_CRT0) | |
158 | AC_SUBST(HOSTING_LIBS) | |
159 | AC_SUBST(NATIVE_LIB_DIRS) | |
160 | ||
a3ffa599 | 161 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h) |
dc27aea4 | 162 | AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid) |
252b5132 RH |
163 | AC_HEADER_DIRENT |
164 | ||
34875e64 NC |
165 | AC_MSG_CHECKING(for a known getopt prototype in unistd.h) |
166 | AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, | |
da594c4a | 167 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], |
34875e64 NC |
168 | ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) |
169 | AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) | |
170 | if test $ld_cv_decl_getopt_unistd_h = yes; then | |
171 | AC_DEFINE([HAVE_DECL_GETOPT], 1, | |
172 | [Is the prototype for getopt in <unistd.h> in the expected format?]) | |
173 | fi | |
174 | ||
252b5132 RH |
175 | BFD_BINARY_FOPEN |
176 | ||
502bdb00 | 177 | AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ]) |
252b5132 | 178 | |
4474d12b CS |
179 | # Link in zlib if we can. This is needed only for the bootstrap tests |
180 | # right now, since those tests use libbfd, which depends on zlib. | |
181 | AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) | |
182 | ||
597e2591 ILT |
183 | # When converting linker scripts into strings for use in emulation |
184 | # files, use astring.sed if the compiler supports ANSI string | |
185 | # concatenation, or ostring.sed otherwise. This is to support the | |
186 | # broken Microsoft MSVC compiler, which limits the length of string | |
187 | # constants, while still supporting pre-ANSI compilers which do not | |
188 | # support string concatenation. | |
e4dabd0e | 189 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 | 190 | AC_CACHE_VAL(ld_cv_string_concatenation, |
da594c4a AM |
191 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])], |
192 | ld_cv_string_concatenation=yes, | |
193 | ld_cv_string_concatenation=no)]) | |
e4dabd0e AS |
194 | AC_MSG_RESULT($ld_cv_string_concatenation) |
195 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
196 | STRINGIFY=astring.sed |
197 | else | |
198 | STRINGIFY=ostring.sed | |
199 | fi | |
200 | AC_SUBST(STRINGIFY) | |
201 | ||
252b5132 RH |
202 | # target-specific stuff: |
203 | ||
204 | all_targets= | |
205 | EMUL= | |
206 | all_emuls= | |
207 | all_emul_extras= | |
ba2be581 | 208 | all_libpath= |
252b5132 RH |
209 | |
210 | dnl We need to get an arbitrary number of tdir definitions into | |
211 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
212 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
213 | dnl file. | |
214 | rm -f tdirs | |
215 | ||
216 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
217 | do | |
218 | if test "$targ_alias" = "all"; then | |
219 | all_targets=true | |
220 | else | |
221 | # Canonicalize the secondary target names. | |
42ecbf5e | 222 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
223 | if test -n "$result"; then |
224 | targ=$result | |
225 | else | |
226 | targ=$targ_alias | |
227 | fi | |
228 | ||
229 | . ${srcdir}/configure.tgt | |
230 | ||
231 | if test "$targ" = "$target"; then | |
232 | EMUL=$targ_emul | |
233 | fi | |
234 | ||
314e9a4e L |
235 | if test x${want64} = xfalse; then |
236 | . ${srcdir}/../bfd/config.bfd | |
237 | fi | |
238 | ||
534d3119 L |
239 | if test x${want64} = xtrue; then |
240 | targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls" | |
241 | targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath" | |
242 | fi | |
243 | ||
3336653a | 244 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
245 | case " $all_emuls " in |
246 | *" e${i}.o "*) ;; | |
247 | *) | |
248 | all_emuls="$all_emuls e${i}.o" | |
249 | eval result=\$tdir_$i | |
250 | test -z "$result" && result=$targ_alias | |
251 | echo tdir_$i=$result >> tdirs | |
252 | ;; | |
253 | esac | |
254 | done | |
255 | ||
ba2be581 | 256 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
257 | case " $all_libpath " in |
258 | *" ${i} "*) ;; | |
259 | *) | |
ba2be581 RH |
260 | if test -z "$all_libpath"; then |
261 | all_libpath=${i} | |
262 | else | |
263 | all_libpath="$all_libpath ${i}" | |
264 | fi | |
3336653a RH |
265 | ;; |
266 | esac | |
267 | done | |
268 | ||
252b5132 RH |
269 | for i in $targ_extra_ofiles; do |
270 | case " $all_emul_extras " in | |
271 | *" ${i} "*) ;; | |
272 | *) | |
273 | all_emul_extras="$all_emul_extras ${i}" | |
274 | ;; | |
275 | esac | |
276 | done | |
277 | fi | |
278 | done | |
279 | ||
280 | AC_SUBST(EMUL) | |
281 | ||
282 | TDIRS=tdirs | |
283 | AC_SUBST_FILE(TDIRS) | |
284 | ||
252b5132 | 285 | if test x${all_targets} = xtrue; then |
314e9a4e L |
286 | if test x${want64} = xfalse; then |
287 | AC_CHECK_SIZEOF(long) | |
288 | if test "x${ac_cv_sizeof_long}" = "x8"; then | |
289 | want64=true | |
290 | fi | |
291 | fi | |
252b5132 RH |
292 | if test x${want64} = xtrue; then |
293 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
294 | else | |
295 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
296 | fi | |
297 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
298 | else | |
299 | EMULATION_OFILES=$all_emuls | |
300 | EMUL_EXTRA_OFILES=$all_emul_extras | |
301 | fi | |
302 | AC_SUBST(EMULATION_OFILES) | |
303 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 304 | AC_SUBST(LIB_PATH) |
252b5132 | 305 | |
3336653a RH |
306 | EMULATION_LIBPATH=$all_libpath |
307 | AC_SUBST(EMULATION_LIBPATH) | |
308 | ||
252b5132 RH |
309 | if test x${enable_static} = xno; then |
310 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
311 | else | |
312 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
313 | fi | |
314 | AC_SUBST(TESTBFDLIB) | |
315 | ||
93a6d436 JL |
316 | target_vendor=${target_vendor=$host_vendor} |
317 | case "$target_vendor" in | |
318 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
319 | *) EXTRA_SHLIB_EXTENSION= ;; | |
320 | esac | |
f234d5fe NC |
321 | |
322 | case "$target_os" in | |
323 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
324 | esac | |
325 | ||
93a6d436 JL |
326 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
327 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
328 | [Additional extension a shared object might have.]) | |
329 | fi | |
330 | ||
31dd3154 | 331 | dnl Required by html, pdf, install-pdf and install-html |
108a6f8e CD |
332 | AC_SUBST(datarootdir) |
333 | AC_SUBST(docdir) | |
334 | AC_SUBST(htmldir) | |
31dd3154 | 335 | AC_SUBST(pdfdir) |
108a6f8e | 336 | |
da594c4a AM |
337 | AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in) |
338 | AC_OUTPUT |