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, ${BFD_VERSION}) | |
252b5132 | 13 | |
8e523c23 | 14 | AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval) |
252b5132 RH |
15 | AC_ARG_ENABLE(targets, |
16 | [ --enable-targets alternative target configurations], | |
17 | [case "${enableval}" in | |
18 | yes | "") AC_ERROR(enable-targets option must specify target names or 'all') | |
19 | ;; | |
20 | no) enable_targets= ;; | |
21 | *) enable_targets=$enableval ;; | |
22 | esac])dnl | |
23 | AC_ARG_ENABLE(64-bit-bfd, | |
24 | [ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)], | |
25 | [case "${enableval}" in | |
26 | yes) want64=true ;; | |
27 | no) want64=false ;; | |
28 | *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;; | |
29 | esac],[want64=false])dnl | |
30 | ||
9c8ebd6a DJ |
31 | AC_ARG_WITH(sysroot, |
32 | [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.], | |
33 | [ | |
34 | case ${with_sysroot} in | |
715d1656 | 35 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;; |
9c8ebd6a DJ |
36 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
37 | esac | |
38 | ||
39 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
40 | use_sysroot=yes | |
41 | ||
fa1e8d8e RS |
42 | if test "x$prefix" = xNONE; then |
43 | test_prefix=/usr/local | |
44 | else | |
45 | test_prefix=$prefix | |
46 | fi | |
9c8ebd6a | 47 | if test "x$exec_prefix" = xNONE; then |
fa1e8d8e | 48 | test_exec_prefix=$test_prefix |
9c8ebd6a | 49 | else |
fa1e8d8e | 50 | test_exec_prefix=$exec_prefix |
9c8ebd6a DJ |
51 | fi |
52 | case ${TARGET_SYSTEM_ROOT} in | |
715d1656 | 53 | "${test_prefix}"|"${test_prefix}/"*|\ |
fa1e8d8e RS |
54 | "${test_exec_prefix}"|"${test_exec_prefix}/"*|\ |
55 | '${prefix}'|'${prefix}/'*|\ | |
715d1656 | 56 | '${exec_prefix}'|'${exec_prefix}/'*) |
9c8ebd6a DJ |
57 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
58 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
59 | ;; | |
60 | esac | |
61 | ], [ | |
62 | use_sysroot=no | |
63 | TARGET_SYSTEM_ROOT= | |
64 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' | |
65 | ]) | |
66 | AC_SUBST(use_sysroot) | |
67 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
68 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
69 | ||
7fb9f789 NC |
70 | AC_ARG_ENABLE([got], |
71 | AS_HELP_STRING([--enable-got=<type>], | |
72 | [GOT handling scheme (target, single, negative, multigot)]), | |
73 | [case "${enableval}" in | |
74 | target | single | negative | multigot) got_handling=$enableval ;; | |
75 | *) AC_ERROR(bad value ${enableval} for --enable-got option) ;; | |
76 | esac], | |
77 | [got_handling=target]) | |
78 | ||
79 | case "${got_handling}" in | |
80 | target) | |
81 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT], | |
82 | [Define to choose default GOT handling scheme]) ;; | |
83 | single) | |
84 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE], | |
85 | [Define to choose default GOT handling scheme]) ;; | |
86 | negative) | |
87 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE], | |
88 | [Define to choose default GOT handling scheme]) ;; | |
89 | multigot) | |
90 | AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT], | |
91 | [Define to choose default GOT handling scheme]) ;; | |
92 | *) AC_ERROR(bad value ${got_handling} for --enable-got option) ;; | |
93 | esac | |
94 | ||
502bdb00 | 95 | AM_BINUTILS_WARNINGS |
a2d91340 | 96 | |
252b5132 RH |
97 | AM_CONFIG_HEADER(config.h:config.in) |
98 | ||
99 | if test -z "$target" ; then | |
100 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
101 | fi | |
102 | if test -z "$host" ; then | |
103 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
104 | fi | |
105 | ||
106 | # host-specific stuff: | |
107 | ||
108 | AC_PROG_CC | |
67310ccd | 109 | AC_GNU_SOURCE |
252b5132 RH |
110 | AC_PROG_INSTALL |
111 | ||
ce2cded5 L |
112 | AM_PROG_LIBTOOL |
113 | ||
19aec961 | 114 | ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi" |
20e95c23 DJ |
115 | ZW_GNU_GETTEXT_SISTER_DIR |
116 | AM_PO_SUBDIRS | |
252b5132 RH |
117 | |
118 | AC_EXEEXT | |
119 | ||
120 | AC_PROG_YACC | |
121 | AM_PROG_LEX | |
122 | ||
123 | AM_MAINTAINER_MODE | |
d5fbea21 | 124 | AM_CONDITIONAL(GENINSRC_NEVER, false) |
252b5132 RH |
125 | |
126 | . ${srcdir}/configure.host | |
127 | ||
128 | AC_SUBST(HDEFINES) | |
129 | AC_SUBST(HOSTING_CRT0) | |
130 | AC_SUBST(HOSTING_LIBS) | |
131 | AC_SUBST(NATIVE_LIB_DIRS) | |
132 | ||
a3ffa599 | 133 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h) |
dc27aea4 | 134 | AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid) |
252b5132 RH |
135 | AC_HEADER_DIRENT |
136 | ||
34875e64 NC |
137 | AC_MSG_CHECKING(for a known getopt prototype in unistd.h) |
138 | AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, | |
139 | [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);], | |
140 | ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) | |
141 | AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) | |
142 | if test $ld_cv_decl_getopt_unistd_h = yes; then | |
143 | AC_DEFINE([HAVE_DECL_GETOPT], 1, | |
144 | [Is the prototype for getopt in <unistd.h> in the expected format?]) | |
145 | fi | |
146 | ||
252b5132 RH |
147 | BFD_BINARY_FOPEN |
148 | ||
502bdb00 | 149 | AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ]) |
252b5132 | 150 | |
597e2591 ILT |
151 | # When converting linker scripts into strings for use in emulation |
152 | # files, use astring.sed if the compiler supports ANSI string | |
153 | # concatenation, or ostring.sed otherwise. This is to support the | |
154 | # broken Microsoft MSVC compiler, which limits the length of string | |
155 | # constants, while still supporting pre-ANSI compilers which do not | |
156 | # support string concatenation. | |
e4dabd0e | 157 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 ILT |
158 | AC_CACHE_VAL(ld_cv_string_concatenation, |
159 | [AC_TRY_COMPILE(,[char *a = "a" "a";], | |
e4dabd0e AS |
160 | [ld_cv_string_concatenation=yes], |
161 | [ld_cv_string_concatenation=no])]) | |
162 | AC_MSG_RESULT($ld_cv_string_concatenation) | |
163 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
164 | STRINGIFY=astring.sed |
165 | else | |
166 | STRINGIFY=ostring.sed | |
167 | fi | |
168 | AC_SUBST(STRINGIFY) | |
169 | ||
252b5132 RH |
170 | # target-specific stuff: |
171 | ||
172 | all_targets= | |
173 | EMUL= | |
174 | all_emuls= | |
175 | all_emul_extras= | |
ba2be581 | 176 | all_libpath= |
252b5132 RH |
177 | |
178 | dnl We need to get an arbitrary number of tdir definitions into | |
179 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
180 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
181 | dnl file. | |
182 | rm -f tdirs | |
183 | ||
184 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
185 | do | |
186 | if test "$targ_alias" = "all"; then | |
187 | all_targets=true | |
188 | else | |
189 | # Canonicalize the secondary target names. | |
42ecbf5e | 190 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
191 | if test -n "$result"; then |
192 | targ=$result | |
193 | else | |
194 | targ=$targ_alias | |
195 | fi | |
196 | ||
197 | . ${srcdir}/configure.tgt | |
198 | ||
199 | if test "$targ" = "$target"; then | |
200 | EMUL=$targ_emul | |
201 | fi | |
202 | ||
314e9a4e L |
203 | if test x${want64} = xfalse; then |
204 | . ${srcdir}/../bfd/config.bfd | |
205 | fi | |
206 | ||
534d3119 L |
207 | if test x${want64} = xtrue; then |
208 | targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls" | |
209 | targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath" | |
210 | fi | |
211 | ||
3336653a | 212 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
213 | case " $all_emuls " in |
214 | *" e${i}.o "*) ;; | |
215 | *) | |
216 | all_emuls="$all_emuls e${i}.o" | |
217 | eval result=\$tdir_$i | |
218 | test -z "$result" && result=$targ_alias | |
219 | echo tdir_$i=$result >> tdirs | |
220 | ;; | |
221 | esac | |
222 | done | |
223 | ||
ba2be581 | 224 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
225 | case " $all_libpath " in |
226 | *" ${i} "*) ;; | |
227 | *) | |
ba2be581 RH |
228 | if test -z "$all_libpath"; then |
229 | all_libpath=${i} | |
230 | else | |
231 | all_libpath="$all_libpath ${i}" | |
232 | fi | |
3336653a RH |
233 | ;; |
234 | esac | |
235 | done | |
236 | ||
252b5132 RH |
237 | for i in $targ_extra_ofiles; do |
238 | case " $all_emul_extras " in | |
239 | *" ${i} "*) ;; | |
240 | *) | |
241 | all_emul_extras="$all_emul_extras ${i}" | |
242 | ;; | |
243 | esac | |
244 | done | |
245 | fi | |
246 | done | |
247 | ||
248 | AC_SUBST(EMUL) | |
249 | ||
250 | TDIRS=tdirs | |
251 | AC_SUBST_FILE(TDIRS) | |
252 | ||
252b5132 | 253 | if test x${all_targets} = xtrue; then |
314e9a4e L |
254 | if test x${want64} = xfalse; then |
255 | AC_CHECK_SIZEOF(long) | |
256 | if test "x${ac_cv_sizeof_long}" = "x8"; then | |
257 | want64=true | |
258 | fi | |
259 | fi | |
252b5132 RH |
260 | if test x${want64} = xtrue; then |
261 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
262 | else | |
263 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
264 | fi | |
265 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
266 | else | |
267 | EMULATION_OFILES=$all_emuls | |
268 | EMUL_EXTRA_OFILES=$all_emul_extras | |
269 | fi | |
270 | AC_SUBST(EMULATION_OFILES) | |
271 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 272 | AC_SUBST(LIB_PATH) |
252b5132 | 273 | |
3336653a RH |
274 | EMULATION_LIBPATH=$all_libpath |
275 | AC_SUBST(EMULATION_LIBPATH) | |
276 | ||
252b5132 RH |
277 | if test x${enable_static} = xno; then |
278 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
279 | else | |
280 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
281 | fi | |
282 | AC_SUBST(TESTBFDLIB) | |
283 | ||
93a6d436 JL |
284 | target_vendor=${target_vendor=$host_vendor} |
285 | case "$target_vendor" in | |
286 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
287 | *) EXTRA_SHLIB_EXTENSION= ;; | |
288 | esac | |
f234d5fe NC |
289 | |
290 | case "$target_os" in | |
291 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
292 | esac | |
293 | ||
93a6d436 JL |
294 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
295 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
296 | [Additional extension a shared object might have.]) | |
297 | fi | |
298 | ||
108a6f8e CD |
299 | dnl Required by html and install-html |
300 | AC_SUBST(datarootdir) | |
301 | AC_SUBST(docdir) | |
302 | AC_SUBST(htmldir) | |
303 | ||
20e95c23 | 304 | AC_OUTPUT(Makefile po/Makefile.in:po/Make-in) |