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 ${with_sysroot} in
37 yes) AC_ERROR(with-sysroot must specify path) ;;
38 *) TARGET_SYSTEM_ROOT=$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 ${TARGET_SYSTEM_ROOT} in
55 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
56 TARGET_SYSTEM_ROOT_DEFINE="$t"
62 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
65 AC_SUBST(TARGET_SYSTEM_ROOT)
66 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
68 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
69 AC_ARG_ENABLE(build-warnings,
70 [ --enable-build-warnings enable build-time compiler warnings if gcc is used],
71 [case "${enableval}" in
73 no) build_warnings="-w";;
74 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
75 build_warnings="${build_warnings} ${t}";;
76 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
77 build_warnings="${t} ${build_warnings}";;
78 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
80 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
81 echo "Setting warning flags = $build_warnings" 6>&1
84 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
85 WARN_CFLAGS="${build_warnings}"
89 AM_CONFIG_HEADER(config.h:config.in)
91 if test -z "$target" ; then
92 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
94 if test -z "$host" ; then
95 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
98 # host-specific stuff:
103 ALL_LINGUAS="fr sv tr es da"
113 . ${srcdir}/configure.host
116 AC_SUBST(HOSTING_CRT0)
117 AC_SUBST(HOSTING_LIBS)
118 AC_SUBST(NATIVE_LIB_DIRS)
120 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
121 AC_CHECK_FUNCS(sbrk realpath)
126 BFD_NEED_DECLARATION(strstr)
127 BFD_NEED_DECLARATION(free)
128 BFD_NEED_DECLARATION(sbrk)
129 BFD_NEED_DECLARATION(getenv)
130 BFD_NEED_DECLARATION(environ)
132 # When converting linker scripts into strings for use in emulation
133 # files, use astring.sed if the compiler supports ANSI string
134 # concatenation, or ostring.sed otherwise. This is to support the
135 # broken Microsoft MSVC compiler, which limits the length of string
136 # constants, while still supporting pre-ANSI compilers which do not
137 # support string concatenation.
138 AC_MSG_CHECKING([whether ANSI C string concatenation works])
139 AC_CACHE_VAL(ld_cv_string_concatenation,
140 [AC_TRY_COMPILE(,[char *a = "a" "a";],
141 [ld_cv_string_concatenation=yes],
142 [ld_cv_string_concatenation=no])])
143 AC_MSG_RESULT($ld_cv_string_concatenation)
144 if test "$ld_cv_string_concatenation" = "yes"; then
145 STRINGIFY=astring.sed
147 STRINGIFY=ostring.sed
151 # target-specific stuff:
159 dnl We need to get an arbitrary number of tdir definitions into
160 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
161 dnl not permit literal newlines in an AC_SUBST variables. So we use a
165 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
167 if test "$targ_alias" = "all"; then
170 # Canonicalize the secondary target names.
171 result=`$ac_config_sub $targ_alias 2>/dev/null`
172 if test -n "$result"; then
178 . ${srcdir}/configure.tgt
180 if test "$targ" = "$target"; then
184 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
185 case " $all_emuls " in
188 all_emuls="$all_emuls e${i}.o"
189 eval result=\$tdir_$i
190 test -z "$result" && result=$targ_alias
191 echo tdir_$i=$result >> tdirs
196 for i in $targ_emul $targ_extra_libpath; do
197 case " $all_libpath " in
200 if test -z "$all_libpath"; then
203 all_libpath="$all_libpath ${i}"
209 for i in $targ_extra_ofiles; do
210 case " $all_emul_extras " in
213 all_emul_extras="$all_emul_extras ${i}"
225 dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
226 dnl target, and in those cases we should also build the 64 bit
228 if test x${all_targets} = xtrue; then
229 if test x${want64} = xtrue; then
230 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
232 EMULATION_OFILES='$(ALL_EMULATIONS)'
234 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
236 EMULATION_OFILES=$all_emuls
237 EMUL_EXTRA_OFILES=$all_emul_extras
239 AC_SUBST(EMULATION_OFILES)
240 AC_SUBST(EMUL_EXTRA_OFILES)
243 EMULATION_LIBPATH=$all_libpath
244 AC_SUBST(EMULATION_LIBPATH)
246 if test x${enable_static} = xno; then
247 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
249 TESTBFDLIB="../bfd/.libs/libbfd.a"
253 target_vendor=${target_vendor=$host_vendor}
254 case "$target_vendor" in
255 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
256 *) EXTRA_SHLIB_EXTENSION= ;;
258 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
259 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
260 [Additional extension a shared object might have.])
263 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
264 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])