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="$t" | |
58 | ;; | |
59 | esac | |
60 | ], [ | |
61 | use_sysroot=no | |
62 | TARGET_SYSTEM_ROOT= | |
63 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' | |
64 | ]) | |
65 | AC_SUBST(use_sysroot) | |
66 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
67 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
68 | ||
502bdb00 | 69 | AM_BINUTILS_WARNINGS |
a2d91340 | 70 | |
252b5132 RH |
71 | AM_CONFIG_HEADER(config.h:config.in) |
72 | ||
73 | if test -z "$target" ; then | |
74 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
75 | fi | |
76 | if test -z "$host" ; then | |
77 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
78 | fi | |
79 | ||
80 | # host-specific stuff: | |
81 | ||
82 | AC_PROG_CC | |
83 | AC_PROG_INSTALL | |
84 | ||
221ca466 | 85 | ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga" |
20e95c23 DJ |
86 | ZW_GNU_GETTEXT_SISTER_DIR |
87 | AM_PO_SUBDIRS | |
252b5132 RH |
88 | |
89 | AC_EXEEXT | |
90 | ||
91 | AC_PROG_YACC | |
92 | AM_PROG_LEX | |
93 | ||
94 | AM_MAINTAINER_MODE | |
d5fbea21 | 95 | AM_CONDITIONAL(GENINSRC_NEVER, false) |
252b5132 RH |
96 | |
97 | . ${srcdir}/configure.host | |
98 | ||
99 | AC_SUBST(HDEFINES) | |
100 | AC_SUBST(HOSTING_CRT0) | |
101 | AC_SUBST(HOSTING_LIBS) | |
102 | AC_SUBST(NATIVE_LIB_DIRS) | |
103 | ||
a3ffa599 | 104 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h) |
0b48acfe | 105 | AC_CHECK_FUNCS(sbrk realpath glob) |
252b5132 RH |
106 | AC_HEADER_DIRENT |
107 | ||
34875e64 NC |
108 | AC_MSG_CHECKING(for a known getopt prototype in unistd.h) |
109 | AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, | |
110 | [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);], | |
111 | ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) | |
112 | AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) | |
113 | if test $ld_cv_decl_getopt_unistd_h = yes; then | |
114 | AC_DEFINE([HAVE_DECL_GETOPT], 1, | |
115 | [Is the prototype for getopt in <unistd.h> in the expected format?]) | |
116 | fi | |
117 | ||
252b5132 RH |
118 | BFD_BINARY_FOPEN |
119 | ||
502bdb00 | 120 | AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ]) |
252b5132 | 121 | |
597e2591 ILT |
122 | # When converting linker scripts into strings for use in emulation |
123 | # files, use astring.sed if the compiler supports ANSI string | |
124 | # concatenation, or ostring.sed otherwise. This is to support the | |
125 | # broken Microsoft MSVC compiler, which limits the length of string | |
126 | # constants, while still supporting pre-ANSI compilers which do not | |
127 | # support string concatenation. | |
e4dabd0e | 128 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 ILT |
129 | AC_CACHE_VAL(ld_cv_string_concatenation, |
130 | [AC_TRY_COMPILE(,[char *a = "a" "a";], | |
e4dabd0e AS |
131 | [ld_cv_string_concatenation=yes], |
132 | [ld_cv_string_concatenation=no])]) | |
133 | AC_MSG_RESULT($ld_cv_string_concatenation) | |
134 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
135 | STRINGIFY=astring.sed |
136 | else | |
137 | STRINGIFY=ostring.sed | |
138 | fi | |
139 | AC_SUBST(STRINGIFY) | |
140 | ||
252b5132 RH |
141 | # target-specific stuff: |
142 | ||
143 | all_targets= | |
144 | EMUL= | |
145 | all_emuls= | |
146 | all_emul_extras= | |
ba2be581 | 147 | all_libpath= |
252b5132 RH |
148 | |
149 | dnl We need to get an arbitrary number of tdir definitions into | |
150 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
151 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
152 | dnl file. | |
153 | rm -f tdirs | |
154 | ||
155 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
156 | do | |
157 | if test "$targ_alias" = "all"; then | |
158 | all_targets=true | |
159 | else | |
160 | # Canonicalize the secondary target names. | |
42ecbf5e | 161 | result=`$ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
162 | if test -n "$result"; then |
163 | targ=$result | |
164 | else | |
165 | targ=$targ_alias | |
166 | fi | |
167 | ||
168 | . ${srcdir}/configure.tgt | |
169 | ||
170 | if test "$targ" = "$target"; then | |
171 | EMUL=$targ_emul | |
172 | fi | |
173 | ||
314e9a4e L |
174 | if test x${want64} = xfalse; then |
175 | . ${srcdir}/../bfd/config.bfd | |
176 | fi | |
177 | ||
3336653a | 178 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
179 | case " $all_emuls " in |
180 | *" e${i}.o "*) ;; | |
181 | *) | |
182 | all_emuls="$all_emuls e${i}.o" | |
183 | eval result=\$tdir_$i | |
184 | test -z "$result" && result=$targ_alias | |
185 | echo tdir_$i=$result >> tdirs | |
186 | ;; | |
187 | esac | |
188 | done | |
189 | ||
ba2be581 | 190 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
191 | case " $all_libpath " in |
192 | *" ${i} "*) ;; | |
193 | *) | |
ba2be581 RH |
194 | if test -z "$all_libpath"; then |
195 | all_libpath=${i} | |
196 | else | |
197 | all_libpath="$all_libpath ${i}" | |
198 | fi | |
3336653a RH |
199 | ;; |
200 | esac | |
201 | done | |
202 | ||
252b5132 RH |
203 | for i in $targ_extra_ofiles; do |
204 | case " $all_emul_extras " in | |
205 | *" ${i} "*) ;; | |
206 | *) | |
207 | all_emul_extras="$all_emul_extras ${i}" | |
208 | ;; | |
209 | esac | |
210 | done | |
211 | fi | |
212 | done | |
213 | ||
214 | AC_SUBST(EMUL) | |
215 | ||
216 | TDIRS=tdirs | |
217 | AC_SUBST_FILE(TDIRS) | |
218 | ||
252b5132 | 219 | if test x${all_targets} = xtrue; then |
314e9a4e L |
220 | if test x${want64} = xfalse; then |
221 | AC_CHECK_SIZEOF(long) | |
222 | if test "x${ac_cv_sizeof_long}" = "x8"; then | |
223 | want64=true | |
224 | fi | |
225 | fi | |
252b5132 RH |
226 | if test x${want64} = xtrue; then |
227 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
228 | else | |
229 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
230 | fi | |
231 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
232 | else | |
233 | EMULATION_OFILES=$all_emuls | |
234 | EMUL_EXTRA_OFILES=$all_emul_extras | |
235 | fi | |
236 | AC_SUBST(EMULATION_OFILES) | |
237 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 238 | AC_SUBST(LIB_PATH) |
252b5132 | 239 | |
3336653a RH |
240 | EMULATION_LIBPATH=$all_libpath |
241 | AC_SUBST(EMULATION_LIBPATH) | |
242 | ||
252b5132 RH |
243 | if test x${enable_static} = xno; then |
244 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
245 | else | |
246 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
247 | fi | |
248 | AC_SUBST(TESTBFDLIB) | |
249 | ||
93a6d436 JL |
250 | target_vendor=${target_vendor=$host_vendor} |
251 | case "$target_vendor" in | |
252 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
253 | *) EXTRA_SHLIB_EXTENSION= ;; | |
254 | esac | |
f234d5fe NC |
255 | |
256 | case "$target_os" in | |
257 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
258 | esac | |
259 | ||
93a6d436 JL |
260 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
261 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
262 | [Additional extension a shared object might have.]) | |
263 | fi | |
264 | ||
108a6f8e CD |
265 | dnl Required by html and install-html |
266 | AC_SUBST(datarootdir) | |
267 | AC_SUBST(docdir) | |
268 | AC_SUBST(htmldir) | |
269 | ||
20e95c23 | 270 | AC_OUTPUT(Makefile po/Makefile.in:po/Make-in) |