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, ${BFD_VERSION})
14 AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
15 AC_ARG_ENABLE(targets,
16 [ --enable-targets alternative target configurations],
17 [case "${enableval}" in
18 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
20 no) enable_targets= ;;
21 *) enable_targets=$enableval ;;
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
28 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
29 esac],[want64=false])dnl
32 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
34 case ${with_sysroot} in
35 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
36 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
39 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
42 if test "x$prefix" = xNONE; then
43 test_prefix=/usr/local
47 if test "x$exec_prefix" = xNONE; then
48 test_exec_prefix=$test_prefix
50 test_exec_prefix=$exec_prefix
52 case ${TARGET_SYSTEM_ROOT} in
53 "${test_prefix}"|"${test_prefix}/"*|\
54 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
55 '${prefix}'|'${prefix}/'*|\
56 '${exec_prefix}'|'${exec_prefix}/'*)
57 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
58 TARGET_SYSTEM_ROOT_DEFINE="$t"
64 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
67 AC_SUBST(TARGET_SYSTEM_ROOT)
68 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
71 AS_HELP_STRING([--enable-got=<type>],
72 [GOT handling scheme (target, single, negative, multigot)]),
73 [case "${enableval}" in
74 target | single | negative | multigot) got_handling=$enableval ;;
75 *) AC_ERROR(bad value ${enableval} for --enable-got option) ;;
77 [got_handling=target])
79 case "${got_handling}" in
81 AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],
82 [Define to choose default GOT handling scheme]) ;;
84 AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],
85 [Define to choose default GOT handling scheme]) ;;
87 AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],
88 [Define to choose default GOT handling scheme]) ;;
90 AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],
91 [Define to choose default GOT handling scheme]) ;;
92 *) AC_ERROR(bad value ${got_handling} for --enable-got option) ;;
97 AM_CONFIG_HEADER(config.h:config.in)
99 if test -z "$target" ; then
100 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
102 if test -z "$host" ; then
103 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
106 # host-specific stuff:
114 ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi"
115 ZW_GNU_GETTEXT_SISTER_DIR
124 AM_CONDITIONAL(GENINSRC_NEVER, false)
126 . ${srcdir}/configure.host
129 AC_SUBST(HOSTING_CRT0)
130 AC_SUBST(HOSTING_LIBS)
131 AC_SUBST(NATIVE_LIB_DIRS)
133 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)
134 AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid)
137 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
138 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
139 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
140 ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
141 AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
142 if test $ld_cv_decl_getopt_unistd_h = yes; then
143 AC_DEFINE([HAVE_DECL_GETOPT], 1,
144 [Is the prototype for getopt in <unistd.h> in the expected format?])
149 AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
151 # When converting linker scripts into strings for use in emulation
152 # files, use astring.sed if the compiler supports ANSI string
153 # concatenation, or ostring.sed otherwise. This is to support the
154 # broken Microsoft MSVC compiler, which limits the length of string
155 # constants, while still supporting pre-ANSI compilers which do not
156 # support string concatenation.
157 AC_MSG_CHECKING([whether ANSI C string concatenation works])
158 AC_CACHE_VAL(ld_cv_string_concatenation,
159 [AC_TRY_COMPILE(,[char *a = "a" "a";],
160 [ld_cv_string_concatenation=yes],
161 [ld_cv_string_concatenation=no])])
162 AC_MSG_RESULT($ld_cv_string_concatenation)
163 if test "$ld_cv_string_concatenation" = "yes"; then
164 STRINGIFY=astring.sed
166 STRINGIFY=ostring.sed
170 # target-specific stuff:
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
184 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
186 if test "$targ_alias" = "all"; then
189 # Canonicalize the secondary target names.
190 result=`$ac_config_sub $targ_alias 2>/dev/null`
191 if test -n "$result"; then
197 . ${srcdir}/configure.tgt
199 if test "$targ" = "$target"; then
203 if test x${want64} = xfalse; then
204 . ${srcdir}/../bfd/config.bfd
207 if test x${want64} = xtrue; then
208 targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
209 targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
212 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
213 case " $all_emuls " in
216 all_emuls="$all_emuls e${i}.o"
217 eval result=\$tdir_$i
218 test -z "$result" && result=$targ_alias
219 echo tdir_$i=$result >> tdirs
224 for i in $targ_emul $targ_extra_libpath; do
225 case " $all_libpath " in
228 if test -z "$all_libpath"; then
231 all_libpath="$all_libpath ${i}"
237 for i in $targ_extra_ofiles; do
238 case " $all_emul_extras " in
241 all_emul_extras="$all_emul_extras ${i}"
253 if test x${all_targets} = xtrue; then
254 if test x${want64} = xfalse; then
255 AC_CHECK_SIZEOF(long)
256 if test "x${ac_cv_sizeof_long}" = "x8"; then
260 if test x${want64} = xtrue; then
261 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
263 EMULATION_OFILES='$(ALL_EMULATIONS)'
265 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
267 EMULATION_OFILES=$all_emuls
268 EMUL_EXTRA_OFILES=$all_emul_extras
270 AC_SUBST(EMULATION_OFILES)
271 AC_SUBST(EMUL_EXTRA_OFILES)
274 EMULATION_LIBPATH=$all_libpath
275 AC_SUBST(EMULATION_LIBPATH)
277 if test x${enable_static} = xno; then
278 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
280 TESTBFDLIB="../bfd/.libs/libbfd.a"
284 target_vendor=${target_vendor=$host_vendor}
285 case "$target_vendor" in
286 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
287 *) EXTRA_SHLIB_EXTENSION= ;;
291 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
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.])
299 dnl Required by html and install-html
300 AC_SUBST(datarootdir)
304 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in)