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="$t"
63 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
66 AC_SUBST(TARGET_SYSTEM_ROOT)
67 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
71 AM_CONFIG_HEADER(config.h:config.in)
73 if test -z "$target" ; then
74 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
76 if test -z "$host" ; then
77 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
80 # host-specific stuff:
85 ALL_LINGUAS="fr sv tr es da"
95 . ${srcdir}/configure.host
98 AC_SUBST(HOSTING_CRT0)
99 AC_SUBST(HOSTING_LIBS)
100 AC_SUBST(NATIVE_LIB_DIRS)
102 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
103 AC_CHECK_FUNCS(sbrk realpath glob)
106 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
107 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
108 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
109 ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
110 AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
111 if test $ld_cv_decl_getopt_unistd_h = yes; then
112 AC_DEFINE([HAVE_DECL_GETOPT], 1,
113 [Is the prototype for getopt in <unistd.h> in the expected format?])
118 AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
120 # When converting linker scripts into strings for use in emulation
121 # files, use astring.sed if the compiler supports ANSI string
122 # concatenation, or ostring.sed otherwise. This is to support the
123 # broken Microsoft MSVC compiler, which limits the length of string
124 # constants, while still supporting pre-ANSI compilers which do not
125 # support string concatenation.
126 AC_MSG_CHECKING([whether ANSI C string concatenation works])
127 AC_CACHE_VAL(ld_cv_string_concatenation,
128 [AC_TRY_COMPILE(,[char *a = "a" "a";],
129 [ld_cv_string_concatenation=yes],
130 [ld_cv_string_concatenation=no])])
131 AC_MSG_RESULT($ld_cv_string_concatenation)
132 if test "$ld_cv_string_concatenation" = "yes"; then
133 STRINGIFY=astring.sed
135 STRINGIFY=ostring.sed
139 # target-specific stuff:
147 dnl We need to get an arbitrary number of tdir definitions into
148 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
149 dnl not permit literal newlines in an AC_SUBST variables. So we use a
153 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
155 if test "$targ_alias" = "all"; then
158 # Canonicalize the secondary target names.
159 result=`$ac_config_sub $targ_alias 2>/dev/null`
160 if test -n "$result"; then
166 . ${srcdir}/configure.tgt
168 if test "$targ" = "$target"; then
172 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
173 case " $all_emuls " in
176 all_emuls="$all_emuls e${i}.o"
177 eval result=\$tdir_$i
178 test -z "$result" && result=$targ_alias
179 echo tdir_$i=$result >> tdirs
184 for i in $targ_emul $targ_extra_libpath; do
185 case " $all_libpath " in
188 if test -z "$all_libpath"; then
191 all_libpath="$all_libpath ${i}"
197 for i in $targ_extra_ofiles; do
198 case " $all_emul_extras " in
201 all_emul_extras="$all_emul_extras ${i}"
213 dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
214 dnl target, and in those cases we should also build the 64 bit
216 if test x${all_targets} = xtrue; then
217 if test x${want64} = xtrue; then
218 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
220 EMULATION_OFILES='$(ALL_EMULATIONS)'
222 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
224 EMULATION_OFILES=$all_emuls
225 EMUL_EXTRA_OFILES=$all_emul_extras
227 AC_SUBST(EMULATION_OFILES)
228 AC_SUBST(EMUL_EXTRA_OFILES)
231 EMULATION_LIBPATH=$all_libpath
232 AC_SUBST(EMULATION_LIBPATH)
234 if test x${enable_static} = xno; then
235 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
237 TESTBFDLIB="../bfd/.libs/libbfd.a"
241 target_vendor=${target_vendor=$host_vendor}
242 case "$target_vendor" in
243 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
244 *) EXTRA_SHLIB_EXTENSION= ;;
248 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
251 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
252 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
253 [Additional extension a shared object might have.])
256 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
257 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])