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 | . ${srcdir}/configure.host | |
155 | ||
156 | AC_SUBST(HDEFINES) | |
157 | AC_SUBST(HOSTING_CRT0) | |
158 | AC_SUBST(HOSTING_LIBS) | |
159 | AC_SUBST(NATIVE_LIB_DIRS) | |
160 | ||
a3ffa599 | 161 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h) |
5d3236ee | 162 | AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h) |
dc27aea4 | 163 | AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid) |
5d3236ee | 164 | AC_CHECK_FUNCS(open lseek close) |
252b5132 RH |
165 | AC_HEADER_DIRENT |
166 | ||
5d3236ee DK |
167 | # Check for dlopen support and enable plugins if possible. |
168 | enable_plugins=yes | |
169 | AC_CHECK_HEADER([dlfcn.h],[],[enable_plugins=no],[AC_INCLUDES_DEFAULT]) | |
170 | AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[]) | |
171 | AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no]) | |
172 | AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes]) | |
173 | ||
34875e64 NC |
174 | AC_MSG_CHECKING(for a known getopt prototype in unistd.h) |
175 | AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, | |
da594c4a | 176 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], |
34875e64 NC |
177 | ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) |
178 | AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) | |
179 | if test $ld_cv_decl_getopt_unistd_h = yes; then | |
180 | AC_DEFINE([HAVE_DECL_GETOPT], 1, | |
181 | [Is the prototype for getopt in <unistd.h> in the expected format?]) | |
182 | fi | |
183 | ||
252b5132 RH |
184 | BFD_BINARY_FOPEN |
185 | ||
502bdb00 | 186 | AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ]) |
252b5132 | 187 | |
4474d12b CS |
188 | # Link in zlib if we can. This is needed only for the bootstrap tests |
189 | # right now, since those tests use libbfd, which depends on zlib. | |
190 | AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) | |
191 | ||
597e2591 ILT |
192 | # When converting linker scripts into strings for use in emulation |
193 | # files, use astring.sed if the compiler supports ANSI string | |
194 | # concatenation, or ostring.sed otherwise. This is to support the | |
195 | # broken Microsoft MSVC compiler, which limits the length of string | |
196 | # constants, while still supporting pre-ANSI compilers which do not | |
197 | # support string concatenation. | |
e4dabd0e | 198 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 | 199 | AC_CACHE_VAL(ld_cv_string_concatenation, |
da594c4a AM |
200 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])], |
201 | ld_cv_string_concatenation=yes, | |
202 | ld_cv_string_concatenation=no)]) | |
e4dabd0e AS |
203 | AC_MSG_RESULT($ld_cv_string_concatenation) |
204 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
205 | STRINGIFY=astring.sed |
206 | else | |
207 | STRINGIFY=ostring.sed | |
208 | fi | |
209 | AC_SUBST(STRINGIFY) | |
210 | ||
252b5132 RH |
211 | # target-specific stuff: |
212 | ||
213 | all_targets= | |
214 | EMUL= | |
215 | all_emuls= | |
216 | all_emul_extras= | |
ba2be581 | 217 | all_libpath= |
252b5132 RH |
218 | |
219 | dnl We need to get an arbitrary number of tdir definitions into | |
220 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
221 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
222 | dnl file. | |
223 | rm -f tdirs | |
224 | ||
225 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
226 | do | |
227 | if test "$targ_alias" = "all"; then | |
228 | all_targets=true | |
229 | else | |
230 | # Canonicalize the secondary target names. | |
42ecbf5e | 231 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
232 | if test -n "$result"; then |
233 | targ=$result | |
234 | else | |
235 | targ=$targ_alias | |
236 | fi | |
237 | ||
238 | . ${srcdir}/configure.tgt | |
239 | ||
240 | if test "$targ" = "$target"; then | |
241 | EMUL=$targ_emul | |
242 | fi | |
243 | ||
314e9a4e L |
244 | if test x${want64} = xfalse; then |
245 | . ${srcdir}/../bfd/config.bfd | |
246 | fi | |
247 | ||
534d3119 L |
248 | if test x${want64} = xtrue; then |
249 | targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls" | |
250 | targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath" | |
251 | fi | |
252 | ||
3336653a | 253 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
254 | case " $all_emuls " in |
255 | *" e${i}.o "*) ;; | |
256 | *) | |
257 | all_emuls="$all_emuls e${i}.o" | |
258 | eval result=\$tdir_$i | |
259 | test -z "$result" && result=$targ_alias | |
260 | echo tdir_$i=$result >> tdirs | |
261 | ;; | |
262 | esac | |
263 | done | |
264 | ||
ba2be581 | 265 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
266 | case " $all_libpath " in |
267 | *" ${i} "*) ;; | |
268 | *) | |
ba2be581 RH |
269 | if test -z "$all_libpath"; then |
270 | all_libpath=${i} | |
271 | else | |
272 | all_libpath="$all_libpath ${i}" | |
273 | fi | |
3336653a RH |
274 | ;; |
275 | esac | |
276 | done | |
277 | ||
252b5132 RH |
278 | for i in $targ_extra_ofiles; do |
279 | case " $all_emul_extras " in | |
280 | *" ${i} "*) ;; | |
281 | *) | |
282 | all_emul_extras="$all_emul_extras ${i}" | |
283 | ;; | |
284 | esac | |
285 | done | |
286 | fi | |
287 | done | |
288 | ||
289 | AC_SUBST(EMUL) | |
290 | ||
291 | TDIRS=tdirs | |
292 | AC_SUBST_FILE(TDIRS) | |
293 | ||
252b5132 | 294 | if test x${all_targets} = xtrue; then |
314e9a4e L |
295 | if test x${want64} = xfalse; then |
296 | AC_CHECK_SIZEOF(long) | |
297 | if test "x${ac_cv_sizeof_long}" = "x8"; then | |
298 | want64=true | |
299 | fi | |
300 | fi | |
252b5132 RH |
301 | if test x${want64} = xtrue; then |
302 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
303 | else | |
304 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
305 | fi | |
306 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
307 | else | |
308 | EMULATION_OFILES=$all_emuls | |
309 | EMUL_EXTRA_OFILES=$all_emul_extras | |
310 | fi | |
311 | AC_SUBST(EMULATION_OFILES) | |
312 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 313 | AC_SUBST(LIB_PATH) |
252b5132 | 314 | |
3336653a RH |
315 | EMULATION_LIBPATH=$all_libpath |
316 | AC_SUBST(EMULATION_LIBPATH) | |
317 | ||
252b5132 RH |
318 | if test x${enable_static} = xno; then |
319 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
320 | else | |
321 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
322 | fi | |
323 | AC_SUBST(TESTBFDLIB) | |
324 | ||
93a6d436 JL |
325 | target_vendor=${target_vendor=$host_vendor} |
326 | case "$target_vendor" in | |
327 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
328 | *) EXTRA_SHLIB_EXTENSION= ;; | |
329 | esac | |
f234d5fe NC |
330 | |
331 | case "$target_os" in | |
332 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
333 | esac | |
334 | ||
93a6d436 JL |
335 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
336 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
337 | [Additional extension a shared object might have.]) | |
338 | fi | |
339 | ||
31dd3154 | 340 | dnl Required by html, pdf, install-pdf and install-html |
108a6f8e CD |
341 | AC_SUBST(datarootdir) |
342 | AC_SUBST(docdir) | |
343 | AC_SUBST(htmldir) | |
31dd3154 | 344 | AC_SUBST(pdfdir) |
108a6f8e | 345 | |
da594c4a AM |
346 | AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in) |
347 | AC_OUTPUT |