1 dnl Process this file with autoconf to produce a configure script
10 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
12 AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
16 AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
17 AC_ARG_ENABLE(targets,
18 [ --enable-targets alternative target configurations],
19 [case "${enableval}" in
20 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
22 no) enable_targets= ;;
23 *) enable_targets=$enableval ;;
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
30 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
31 esac],[want64=false])dnl
34 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
36 case ${with_sysroot} in
37 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
38 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
41 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
44 if test "x$exec_prefix" = xNONE; then
45 if test "x$prefix" = xNONE; then
46 test_prefix=/usr/local
51 test_prefix=$exec_prefix
53 case ${TARGET_SYSTEM_ROOT} in
54 "${test_prefix}"|"${test_prefix}/"*|\
55 '${exec_prefix}'|'${exec_prefix}/'*)
56 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
57 TARGET_SYSTEM_ROOT_DEFINE="$t"
63 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
66 AC_SUBST(TARGET_SYSTEM_ROOT)
67 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
69 # The location to which bugs should be reported.
71 AS_HELP_STRING([--with-bugurl=URL],
72 [Direct users to URL to report a bug]),
74 yes) AC_MSG_ERROR([bug URL not specified]) ;;
75 no) REPORT_BUGS_TO="" ;;
76 *) REPORT_BUGS_TO="<URL:$withval>" ;;
78 REPORT_BUGS_TO="<URL:http://www.sourceware.org/bugzilla/>"
80 AC_SUBST(REPORT_BUGS_TO)
84 AM_CONFIG_HEADER(config.h:config.in)
86 if test -z "$target" ; then
87 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
89 if test -z "$host" ; then
90 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
93 # host-specific stuff:
98 ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga"
99 ZW_GNU_GETTEXT_SISTER_DIR
108 AM_CONDITIONAL(GENINSRC_NEVER, false)
110 . ${srcdir}/configure.host
113 AC_SUBST(HOSTING_CRT0)
114 AC_SUBST(HOSTING_LIBS)
115 AC_SUBST(NATIVE_LIB_DIRS)
117 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)
118 AC_CHECK_FUNCS(sbrk realpath glob)
121 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
122 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
123 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
124 ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
125 AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
126 if test $ld_cv_decl_getopt_unistd_h = yes; then
127 AC_DEFINE([HAVE_DECL_GETOPT], 1,
128 [Is the prototype for getopt in <unistd.h> in the expected format?])
133 AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
135 # When converting linker scripts into strings for use in emulation
136 # files, use astring.sed if the compiler supports ANSI string
137 # concatenation, or ostring.sed otherwise. This is to support the
138 # broken Microsoft MSVC compiler, which limits the length of string
139 # constants, while still supporting pre-ANSI compilers which do not
140 # support string concatenation.
141 AC_MSG_CHECKING([whether ANSI C string concatenation works])
142 AC_CACHE_VAL(ld_cv_string_concatenation,
143 [AC_TRY_COMPILE(,[char *a = "a" "a";],
144 [ld_cv_string_concatenation=yes],
145 [ld_cv_string_concatenation=no])])
146 AC_MSG_RESULT($ld_cv_string_concatenation)
147 if test "$ld_cv_string_concatenation" = "yes"; then
148 STRINGIFY=astring.sed
150 STRINGIFY=ostring.sed
154 # target-specific stuff:
162 dnl We need to get an arbitrary number of tdir definitions into
163 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
164 dnl not permit literal newlines in an AC_SUBST variables. So we use a
168 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
170 if test "$targ_alias" = "all"; then
173 # Canonicalize the secondary target names.
174 result=`$ac_config_sub $targ_alias 2>/dev/null`
175 if test -n "$result"; then
181 . ${srcdir}/configure.tgt
183 if test "$targ" = "$target"; then
187 if test x${want64} = xfalse; then
188 . ${srcdir}/../bfd/config.bfd
191 if test x${want64} = xtrue; then
192 targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
193 targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
196 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
197 case " $all_emuls " in
200 all_emuls="$all_emuls e${i}.o"
201 eval result=\$tdir_$i
202 test -z "$result" && result=$targ_alias
203 echo tdir_$i=$result >> tdirs
208 for i in $targ_emul $targ_extra_libpath; do
209 case " $all_libpath " in
212 if test -z "$all_libpath"; then
215 all_libpath="$all_libpath ${i}"
221 for i in $targ_extra_ofiles; do
222 case " $all_emul_extras " in
225 all_emul_extras="$all_emul_extras ${i}"
237 if test x${all_targets} = xtrue; then
238 if test x${want64} = xfalse; then
239 AC_CHECK_SIZEOF(long)
240 if test "x${ac_cv_sizeof_long}" = "x8"; then
244 if test x${want64} = xtrue; then
245 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
247 EMULATION_OFILES='$(ALL_EMULATIONS)'
249 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
251 EMULATION_OFILES=$all_emuls
252 EMUL_EXTRA_OFILES=$all_emul_extras
254 AC_SUBST(EMULATION_OFILES)
255 AC_SUBST(EMUL_EXTRA_OFILES)
258 EMULATION_LIBPATH=$all_libpath
259 AC_SUBST(EMULATION_LIBPATH)
261 if test x${enable_static} = xno; then
262 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
264 TESTBFDLIB="../bfd/.libs/libbfd.a"
268 target_vendor=${target_vendor=$host_vendor}
269 case "$target_vendor" in
270 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
271 *) EXTRA_SHLIB_EXTENSION= ;;
275 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
278 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
279 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
280 [Additional extension a shared object might have.])
283 dnl Required by html and install-html
284 AC_SUBST(datarootdir)
288 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in)