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="$t"
64 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
67 AC_SUBST(TARGET_SYSTEM_ROOT)
68 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
72 AM_CONFIG_HEADER(config.h:config.in)
74 if test -z "$target" ; then
75 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
77 if test -z "$host" ; then
78 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
81 # host-specific stuff:
89 ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi"
90 ZW_GNU_GETTEXT_SISTER_DIR
99 AM_CONDITIONAL(GENINSRC_NEVER, false)
101 . ${srcdir}/configure.host
104 AC_SUBST(HOSTING_CRT0)
105 AC_SUBST(HOSTING_LIBS)
106 AC_SUBST(NATIVE_LIB_DIRS)
108 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h sys/param.h)
109 AC_CHECK_FUNCS(glob mkstemp realpath sbrk waitpid)
112 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
113 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
114 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
115 ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
116 AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
117 if test $ld_cv_decl_getopt_unistd_h = yes; then
118 AC_DEFINE([HAVE_DECL_GETOPT], 1,
119 [Is the prototype for getopt in <unistd.h> in the expected format?])
124 AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
126 # When converting linker scripts into strings for use in emulation
127 # files, use astring.sed if the compiler supports ANSI string
128 # concatenation, or ostring.sed otherwise. This is to support the
129 # broken Microsoft MSVC compiler, which limits the length of string
130 # constants, while still supporting pre-ANSI compilers which do not
131 # support string concatenation.
132 AC_MSG_CHECKING([whether ANSI C string concatenation works])
133 AC_CACHE_VAL(ld_cv_string_concatenation,
134 [AC_TRY_COMPILE(,[char *a = "a" "a";],
135 [ld_cv_string_concatenation=yes],
136 [ld_cv_string_concatenation=no])])
137 AC_MSG_RESULT($ld_cv_string_concatenation)
138 if test "$ld_cv_string_concatenation" = "yes"; then
139 STRINGIFY=astring.sed
141 STRINGIFY=ostring.sed
145 # target-specific stuff:
153 dnl We need to get an arbitrary number of tdir definitions into
154 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
155 dnl not permit literal newlines in an AC_SUBST variables. So we use a
159 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
161 if test "$targ_alias" = "all"; then
164 # Canonicalize the secondary target names.
165 result=`$ac_config_sub $targ_alias 2>/dev/null`
166 if test -n "$result"; then
172 . ${srcdir}/configure.tgt
174 if test "$targ" = "$target"; then
178 if test x${want64} = xfalse; then
179 . ${srcdir}/../bfd/config.bfd
182 if test x${want64} = xtrue; then
183 targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
184 targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
187 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
188 case " $all_emuls " in
191 all_emuls="$all_emuls e${i}.o"
192 eval result=\$tdir_$i
193 test -z "$result" && result=$targ_alias
194 echo tdir_$i=$result >> tdirs
199 for i in $targ_emul $targ_extra_libpath; do
200 case " $all_libpath " in
203 if test -z "$all_libpath"; then
206 all_libpath="$all_libpath ${i}"
212 for i in $targ_extra_ofiles; do
213 case " $all_emul_extras " in
216 all_emul_extras="$all_emul_extras ${i}"
228 if test x${all_targets} = xtrue; then
229 if test x${want64} = xfalse; then
230 AC_CHECK_SIZEOF(long)
231 if test "x${ac_cv_sizeof_long}" = "x8"; then
235 if test x${want64} = xtrue; then
236 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
238 EMULATION_OFILES='$(ALL_EMULATIONS)'
240 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
242 EMULATION_OFILES=$all_emuls
243 EMUL_EXTRA_OFILES=$all_emul_extras
245 AC_SUBST(EMULATION_OFILES)
246 AC_SUBST(EMUL_EXTRA_OFILES)
249 EMULATION_LIBPATH=$all_libpath
250 AC_SUBST(EMULATION_LIBPATH)
252 if test x${enable_static} = xno; then
253 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
255 TESTBFDLIB="../bfd/.libs/libbfd.a"
259 target_vendor=${target_vendor=$host_vendor}
260 case "$target_vendor" in
261 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
262 *) EXTRA_SHLIB_EXTENSION= ;;
266 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
269 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
270 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
271 [Additional extension a shared object might have.])
274 dnl Required by html and install-html
275 AC_SUBST(datarootdir)
279 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in)