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="$t"
63 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
66 AC_SUBST(TARGET_SYSTEM_ROOT)
67 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
69 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
72 [ --enable-werror treat compile warnings as errors],
73 [case "${enableval}" in
74 yes | y) ERROR_ON_WARNING="yes" ;;
75 no | n) ERROR_ON_WARNING="no" ;;
76 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
79 # Enable -Werror by default, suppressing it only for --disable-werror
80 # or --disable-build-warnings.
81 if test "${ERROR_ON_WARNING}" != no
83 build_warnings="$build_warnings -Werror"
86 AC_ARG_ENABLE(build-warnings,
87 [ --enable-build-warnings enable build-time compiler warnings if gcc is used],
88 [case "${enableval}" in
90 no) build_warnings="-w";;
91 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
92 build_warnings="${build_warnings} ${t}";;
93 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
94 build_warnings="${t} ${build_warnings}";;
95 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
97 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
98 echo "Setting warning flags = $build_warnings" 6>&1
101 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
102 WARN_CFLAGS="${build_warnings}"
104 AC_SUBST(WARN_CFLAGS)
106 AM_CONFIG_HEADER(config.h:config.in)
108 if test -z "$target" ; then
109 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
111 if test -z "$host" ; then
112 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
115 # host-specific stuff:
120 ALL_LINGUAS="fr sv tr es da"
130 . ${srcdir}/configure.host
133 AC_SUBST(HOSTING_CRT0)
134 AC_SUBST(HOSTING_LIBS)
135 AC_SUBST(NATIVE_LIB_DIRS)
137 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
138 AC_CHECK_FUNCS(sbrk realpath glob)
143 BFD_NEED_DECLARATION(strstr)
144 BFD_NEED_DECLARATION(free)
145 BFD_NEED_DECLARATION(sbrk)
146 BFD_NEED_DECLARATION(getenv)
147 BFD_NEED_DECLARATION(environ)
149 # When converting linker scripts into strings for use in emulation
150 # files, use astring.sed if the compiler supports ANSI string
151 # concatenation, or ostring.sed otherwise. This is to support the
152 # broken Microsoft MSVC compiler, which limits the length of string
153 # constants, while still supporting pre-ANSI compilers which do not
154 # support string concatenation.
155 AC_MSG_CHECKING([whether ANSI C string concatenation works])
156 AC_CACHE_VAL(ld_cv_string_concatenation,
157 [AC_TRY_COMPILE(,[char *a = "a" "a";],
158 [ld_cv_string_concatenation=yes],
159 [ld_cv_string_concatenation=no])])
160 AC_MSG_RESULT($ld_cv_string_concatenation)
161 if test "$ld_cv_string_concatenation" = "yes"; then
162 STRINGIFY=astring.sed
164 STRINGIFY=ostring.sed
168 # target-specific stuff:
176 dnl We need to get an arbitrary number of tdir definitions into
177 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
178 dnl not permit literal newlines in an AC_SUBST variables. So we use a
182 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
184 if test "$targ_alias" = "all"; then
187 # Canonicalize the secondary target names.
188 result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
189 if test -n "$result"; then
195 . ${srcdir}/configure.tgt
197 if test "$targ" = "$target"; then
201 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
202 case " $all_emuls " in
205 all_emuls="$all_emuls e${i}.o"
206 eval result=\$tdir_$i
207 test -z "$result" && result=$targ_alias
208 echo tdir_$i=$result >> tdirs
213 for i in $targ_emul $targ_extra_libpath; do
214 case " $all_libpath " in
217 if test -z "$all_libpath"; then
220 all_libpath="$all_libpath ${i}"
226 for i in $targ_extra_ofiles; do
227 case " $all_emul_extras " in
230 all_emul_extras="$all_emul_extras ${i}"
242 dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
243 dnl target, and in those cases we should also build the 64 bit
245 if test x${all_targets} = xtrue; then
246 if test x${want64} = xtrue; then
247 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
249 EMULATION_OFILES='$(ALL_EMULATIONS)'
251 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
253 EMULATION_OFILES=$all_emuls
254 EMUL_EXTRA_OFILES=$all_emul_extras
256 AC_SUBST(EMULATION_OFILES)
257 AC_SUBST(EMUL_EXTRA_OFILES)
260 EMULATION_LIBPATH=$all_libpath
261 AC_SUBST(EMULATION_LIBPATH)
263 if test x${enable_static} = xno; then
264 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
266 TESTBFDLIB="../bfd/.libs/libbfd.a"
270 target_vendor=${target_vendor=$host_vendor}
271 case "$target_vendor" in
272 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
273 *) EXTRA_SHLIB_EXTENSION= ;;
277 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
280 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
281 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
282 [Additional extension a shared object might have.])
285 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
286 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])