Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | dnl Process this file with autoconf to produce a configure script |
2 | dnl | |
68b2fc7a | 3 | AC_PREREQ(2.13) |
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="$t" | |
58 | ;; | |
59 | esac | |
60 | ], [ | |
61 | use_sysroot=no | |
62 | TARGET_SYSTEM_ROOT= | |
63 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"' | |
64 | ]) | |
65 | AC_SUBST(use_sysroot) | |
66 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
67 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
68 | ||
0218d1e4 | 69 | build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" |
1ad12f97 NC |
70 | |
71 | AC_ARG_ENABLE(error-on-warning, | |
72 | [ --enable-error-on-warning treat compile warnings as errors], | |
73 | [case "${enableval}" in | |
74 | yes | y) ERROR_ON_WARNING="yes" ;; | |
75 | no | n) ERROR_ON_WARNING="no" ;; | |
76 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-error-on-warning) ;; | |
77 | esac]) | |
78 | ||
79 | # Enable -Werror by default, suppressing it only for --disable-error-on-warning | |
80 | # or --disable-build-warnings. | |
81 | if test "${ERROR_ON_WARNING}" != no | |
82 | then | |
83 | build_warnings="$build_warnings -Werror" | |
84 | fi | |
85 | ||
a2d91340 | 86 | AC_ARG_ENABLE(build-warnings, |
8e523c23 | 87 | [ --enable-build-warnings enable build-time compiler warnings if gcc is used], |
a2d91340 AC |
88 | [case "${enableval}" in |
89 | yes) ;; | |
90 | no) build_warnings="-w";; | |
91 | ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` | |
92 | build_warnings="${build_warnings} ${t}";; | |
93 | *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` | |
94 | build_warnings="${t} ${build_warnings}";; | |
95 | *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; | |
96 | esac | |
97 | if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then | |
98 | echo "Setting warning flags = $build_warnings" 6>&1 | |
99 | fi])dnl | |
100 | WARN_CFLAGS="" | |
101 | if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then | |
102 | WARN_CFLAGS="${build_warnings}" | |
103 | fi | |
104 | AC_SUBST(WARN_CFLAGS) | |
105 | ||
252b5132 RH |
106 | AM_CONFIG_HEADER(config.h:config.in) |
107 | ||
108 | if test -z "$target" ; then | |
109 | AC_MSG_ERROR(Unrecognized target system type; please check config.sub.) | |
110 | fi | |
111 | if test -z "$host" ; then | |
112 | AC_MSG_ERROR(Unrecognized host system type; please check config.sub.) | |
113 | fi | |
114 | ||
115 | # host-specific stuff: | |
116 | ||
117 | AC_PROG_CC | |
118 | AC_PROG_INSTALL | |
119 | ||
cd24c222 | 120 | ALL_LINGUAS="fr sv tr es da" |
252b5132 RH |
121 | CY_GNU_GETTEXT |
122 | ||
123 | AC_EXEEXT | |
124 | ||
125 | AC_PROG_YACC | |
126 | AM_PROG_LEX | |
127 | ||
128 | AM_MAINTAINER_MODE | |
129 | ||
130 | . ${srcdir}/configure.host | |
131 | ||
132 | AC_SUBST(HDEFINES) | |
133 | AC_SUBST(HOSTING_CRT0) | |
134 | AC_SUBST(HOSTING_LIBS) | |
135 | AC_SUBST(NATIVE_LIB_DIRS) | |
136 | ||
137 | AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h) | |
0b48acfe | 138 | AC_CHECK_FUNCS(sbrk realpath glob) |
252b5132 RH |
139 | AC_HEADER_DIRENT |
140 | ||
141 | BFD_BINARY_FOPEN | |
142 | ||
143 | BFD_NEED_DECLARATION(strstr) | |
144 | BFD_NEED_DECLARATION(free) | |
145 | BFD_NEED_DECLARATION(sbrk) | |
146 | BFD_NEED_DECLARATION(getenv) | |
147 | BFD_NEED_DECLARATION(environ) | |
148 | ||
597e2591 ILT |
149 | # When converting linker scripts into strings for use in emulation |
150 | # files, use astring.sed if the compiler supports ANSI string | |
151 | # concatenation, or ostring.sed otherwise. This is to support the | |
152 | # broken Microsoft MSVC compiler, which limits the length of string | |
153 | # constants, while still supporting pre-ANSI compilers which do not | |
154 | # support string concatenation. | |
e4dabd0e | 155 | AC_MSG_CHECKING([whether ANSI C string concatenation works]) |
597e2591 ILT |
156 | AC_CACHE_VAL(ld_cv_string_concatenation, |
157 | [AC_TRY_COMPILE(,[char *a = "a" "a";], | |
e4dabd0e AS |
158 | [ld_cv_string_concatenation=yes], |
159 | [ld_cv_string_concatenation=no])]) | |
160 | AC_MSG_RESULT($ld_cv_string_concatenation) | |
161 | if test "$ld_cv_string_concatenation" = "yes"; then | |
597e2591 ILT |
162 | STRINGIFY=astring.sed |
163 | else | |
164 | STRINGIFY=ostring.sed | |
165 | fi | |
166 | AC_SUBST(STRINGIFY) | |
167 | ||
252b5132 RH |
168 | # target-specific stuff: |
169 | ||
170 | all_targets= | |
171 | EMUL= | |
172 | all_emuls= | |
173 | all_emul_extras= | |
ba2be581 | 174 | all_libpath= |
252b5132 RH |
175 | |
176 | dnl We need to get an arbitrary number of tdir definitions into | |
177 | dnl Makefile. We can't do it using AC_SUBST, because autoconf does | |
178 | dnl not permit literal newlines in an AC_SUBST variables. So we use a | |
179 | dnl file. | |
180 | rm -f tdirs | |
181 | ||
182 | for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'` | |
183 | do | |
184 | if test "$targ_alias" = "all"; then | |
185 | all_targets=true | |
186 | else | |
187 | # Canonicalize the secondary target names. | |
07baa8ee | 188 | result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null` |
252b5132 RH |
189 | if test -n "$result"; then |
190 | targ=$result | |
191 | else | |
192 | targ=$targ_alias | |
193 | fi | |
194 | ||
195 | . ${srcdir}/configure.tgt | |
196 | ||
197 | if test "$targ" = "$target"; then | |
198 | EMUL=$targ_emul | |
199 | fi | |
200 | ||
3336653a | 201 | for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do |
252b5132 RH |
202 | case " $all_emuls " in |
203 | *" e${i}.o "*) ;; | |
204 | *) | |
205 | all_emuls="$all_emuls e${i}.o" | |
206 | eval result=\$tdir_$i | |
207 | test -z "$result" && result=$targ_alias | |
208 | echo tdir_$i=$result >> tdirs | |
209 | ;; | |
210 | esac | |
211 | done | |
212 | ||
ba2be581 | 213 | for i in $targ_emul $targ_extra_libpath; do |
3336653a RH |
214 | case " $all_libpath " in |
215 | *" ${i} "*) ;; | |
216 | *) | |
ba2be581 RH |
217 | if test -z "$all_libpath"; then |
218 | all_libpath=${i} | |
219 | else | |
220 | all_libpath="$all_libpath ${i}" | |
221 | fi | |
3336653a RH |
222 | ;; |
223 | esac | |
224 | done | |
225 | ||
252b5132 RH |
226 | for i in $targ_extra_ofiles; do |
227 | case " $all_emul_extras " in | |
228 | *" ${i} "*) ;; | |
229 | *) | |
230 | all_emul_extras="$all_emul_extras ${i}" | |
231 | ;; | |
232 | esac | |
233 | done | |
234 | fi | |
235 | done | |
236 | ||
237 | AC_SUBST(EMUL) | |
238 | ||
239 | TDIRS=tdirs | |
240 | AC_SUBST_FILE(TDIRS) | |
241 | ||
242 | dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit | |
243 | dnl target, and in those cases we should also build the 64 bit | |
244 | dnl emulations. | |
245 | if test x${all_targets} = xtrue; then | |
246 | if test x${want64} = xtrue; then | |
247 | EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' | |
248 | else | |
249 | EMULATION_OFILES='$(ALL_EMULATIONS)' | |
250 | fi | |
251 | EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' | |
252 | else | |
253 | EMULATION_OFILES=$all_emuls | |
254 | EMUL_EXTRA_OFILES=$all_emul_extras | |
255 | fi | |
256 | AC_SUBST(EMULATION_OFILES) | |
257 | AC_SUBST(EMUL_EXTRA_OFILES) | |
8e523c23 | 258 | AC_SUBST(LIB_PATH) |
252b5132 | 259 | |
3336653a RH |
260 | EMULATION_LIBPATH=$all_libpath |
261 | AC_SUBST(EMULATION_LIBPATH) | |
262 | ||
252b5132 RH |
263 | if test x${enable_static} = xno; then |
264 | TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so" | |
265 | else | |
266 | TESTBFDLIB="../bfd/.libs/libbfd.a" | |
267 | fi | |
268 | AC_SUBST(TESTBFDLIB) | |
269 | ||
93a6d436 JL |
270 | target_vendor=${target_vendor=$host_vendor} |
271 | case "$target_vendor" in | |
272 | hp) EXTRA_SHLIB_EXTENSION=".sl" ;; | |
273 | *) EXTRA_SHLIB_EXTENSION= ;; | |
274 | esac | |
f234d5fe NC |
275 | |
276 | case "$target_os" in | |
277 | lynxos) EXTRA_SHLIB_EXTENSION=".a" ;; | |
278 | esac | |
279 | ||
93a6d436 JL |
280 | if test x${EXTRA_SHLIB_EXTENSION} != x ; then |
281 | AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION", | |
282 | [Additional extension a shared object might have.]) | |
283 | fi | |
284 | ||
252b5132 RH |
285 | AC_OUTPUT(Makefile po/Makefile.in:po/Make-in, |
286 | [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile]) |