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=\"$(TARGET_SYSTEM_ROOT)\"'
44 if test "x$prefix" = xNONE; then
45 test_prefix=/usr/local
49 if test "x$exec_prefix" = xNONE; then
50 test_exec_prefix=$test_prefix
52 test_exec_prefix=$exec_prefix
54 case ${TARGET_SYSTEM_ROOT} in
55 "${test_prefix}"|"${test_prefix}/"*|\
56 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
57 '${prefix}'|'${prefix}/'*|\
58 '${exec_prefix}'|'${exec_prefix}/'*)
59 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
60 TARGET_SYSTEM_ROOT_DEFINE="$t"
66 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
69 AC_SUBST(TARGET_SYSTEM_ROOT)
70 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
74 AM_CONFIG_HEADER(config.h:config.in)
76 if test -z "$target" ; then
77 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
79 if test -z "$host" ; then
80 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
83 # host-specific stuff:
88 ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi"
89 ZW_GNU_GETTEXT_SISTER_DIR
98 AM_CONDITIONAL(GENINSRC_NEVER, false)
100 . ${srcdir}/configure.host
103 AC_SUBST(HOSTING_CRT0)
104 AC_SUBST(HOSTING_LIBS)
105 AC_SUBST(NATIVE_LIB_DIRS)
107 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)
108 AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid)
111 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
112 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
113 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
114 ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
115 AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
116 if test $ld_cv_decl_getopt_unistd_h = yes; then
117 AC_DEFINE([HAVE_DECL_GETOPT], 1,
118 [Is the prototype for getopt in <unistd.h> in the expected format?])
123 AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
125 # When converting linker scripts into strings for use in emulation
126 # files, use astring.sed if the compiler supports ANSI string
127 # concatenation, or ostring.sed otherwise. This is to support the
128 # broken Microsoft MSVC compiler, which limits the length of string
129 # constants, while still supporting pre-ANSI compilers which do not
130 # support string concatenation.
131 AC_MSG_CHECKING([whether ANSI C string concatenation works])
132 AC_CACHE_VAL(ld_cv_string_concatenation,
133 [AC_TRY_COMPILE(,[char *a = "a" "a";],
134 [ld_cv_string_concatenation=yes],
135 [ld_cv_string_concatenation=no])])
136 AC_MSG_RESULT($ld_cv_string_concatenation)
137 if test "$ld_cv_string_concatenation" = "yes"; then
138 STRINGIFY=astring.sed
140 STRINGIFY=ostring.sed
144 # target-specific stuff:
152 dnl We need to get an arbitrary number of tdir definitions into
153 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
154 dnl not permit literal newlines in an AC_SUBST variables. So we use a
158 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
160 if test "$targ_alias" = "all"; then
163 # Canonicalize the secondary target names.
164 result=`$ac_config_sub $targ_alias 2>/dev/null`
165 if test -n "$result"; then
171 . ${srcdir}/configure.tgt
173 if test "$targ" = "$target"; then
177 if test x${want64} = xfalse; then
178 . ${srcdir}/../bfd/config.bfd
181 if test x${want64} = xtrue; then
182 targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
183 targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
186 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
187 case " $all_emuls " in
190 all_emuls="$all_emuls e${i}.o"
191 eval result=\$tdir_$i
192 test -z "$result" && result=$targ_alias
193 echo tdir_$i=$result >> tdirs
198 for i in $targ_emul $targ_extra_libpath; do
199 case " $all_libpath " in
202 if test -z "$all_libpath"; then
205 all_libpath="$all_libpath ${i}"
211 for i in $targ_extra_ofiles; do
212 case " $all_emul_extras " in
215 all_emul_extras="$all_emul_extras ${i}"
227 if test x${all_targets} = xtrue; then
228 if test x${want64} = xfalse; then
229 AC_CHECK_SIZEOF(long)
230 if test "x${ac_cv_sizeof_long}" = "x8"; then
234 if test x${want64} = xtrue; then
235 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
237 EMULATION_OFILES='$(ALL_EMULATIONS)'
239 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
241 EMULATION_OFILES=$all_emuls
242 EMUL_EXTRA_OFILES=$all_emul_extras
244 AC_SUBST(EMULATION_OFILES)
245 AC_SUBST(EMUL_EXTRA_OFILES)
248 EMULATION_LIBPATH=$all_libpath
249 AC_SUBST(EMULATION_LIBPATH)
251 if test x${enable_static} = xno; then
252 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
254 TESTBFDLIB="../bfd/.libs/libbfd.a"
258 target_vendor=${target_vendor=$host_vendor}
259 case "$target_vendor" in
260 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
261 *) EXTRA_SHLIB_EXTENSION= ;;
265 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
268 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
269 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
270 [Additional extension a shared object might have.])
273 dnl Required by html and install-html
274 AC_SUBST(datarootdir)
278 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in)