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="$t"
63 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
66 AC_SUBST(TARGET_SYSTEM_ROOT)
67 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
69 dnl FIXME: The following is bfd/warning.m4 contents expanded
70 dnl When converting to current autotools, please replace with
71 dnl AM_BINUTILS_WARNINGS
72 WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
75 [ --enable-werror treat compile warnings as errors],
76 [case "${enableval}" in
77 yes | y) ERROR_ON_WARNING="yes" ;;
78 no | n) ERROR_ON_WARNING="no" ;;
79 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
82 # Enable -Werror by default when using gcc
83 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
88 if test "${ERROR_ON_WARNING}" = yes ; then
89 WARN_CFLAGS="$WARN_CFLAGS -Werror"
90 NO_WERROR="-Wno-error"
93 AC_ARG_ENABLE(build-warnings,
94 [ --enable-build-warnings Enable build-time compiler warnings],
95 [case "${enableval}" in
97 no) WARN_CFLAGS="-w";;
98 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
99 WARN_CFLAGS="${WARN_CFLAGS} ${t}";;
100 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
101 WARN_CFLAGS="${t} ${WARN_CFLAGS}";;
102 *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;;
105 if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then
106 echo "Setting warning flags = $WARN_CFLAGS" 6>&1
109 AC_SUBST(WARN_CFLAGS)
112 AM_CONFIG_HEADER(config.h:config.in)
114 if test -z "$target" ; then
115 AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
117 if test -z "$host" ; then
118 AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
121 # host-specific stuff:
126 ALL_LINGUAS="fr sv tr es da"
136 . ${srcdir}/configure.host
139 AC_SUBST(HOSTING_CRT0)
140 AC_SUBST(HOSTING_LIBS)
141 AC_SUBST(NATIVE_LIB_DIRS)
143 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
144 AC_CHECK_FUNCS(sbrk realpath glob)
147 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
148 AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
149 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
150 ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
151 AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
152 if test $ld_cv_decl_getopt_unistd_h = yes; then
153 AC_DEFINE([HAVE_DECL_GETOPT], 1,
154 [Is the prototype for getopt in <unistd.h> in the expected format?])
159 BFD_NEED_DECLARATION(strstr)
160 BFD_NEED_DECLARATION(free)
161 BFD_NEED_DECLARATION(sbrk)
162 BFD_NEED_DECLARATION(getenv)
163 BFD_NEED_DECLARATION(environ)
165 # When converting linker scripts into strings for use in emulation
166 # files, use astring.sed if the compiler supports ANSI string
167 # concatenation, or ostring.sed otherwise. This is to support the
168 # broken Microsoft MSVC compiler, which limits the length of string
169 # constants, while still supporting pre-ANSI compilers which do not
170 # support string concatenation.
171 AC_MSG_CHECKING([whether ANSI C string concatenation works])
172 AC_CACHE_VAL(ld_cv_string_concatenation,
173 [AC_TRY_COMPILE(,[char *a = "a" "a";],
174 [ld_cv_string_concatenation=yes],
175 [ld_cv_string_concatenation=no])])
176 AC_MSG_RESULT($ld_cv_string_concatenation)
177 if test "$ld_cv_string_concatenation" = "yes"; then
178 STRINGIFY=astring.sed
180 STRINGIFY=ostring.sed
184 # target-specific stuff:
192 dnl We need to get an arbitrary number of tdir definitions into
193 dnl Makefile. We can't do it using AC_SUBST, because autoconf does
194 dnl not permit literal newlines in an AC_SUBST variables. So we use a
198 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
200 if test "$targ_alias" = "all"; then
203 # Canonicalize the secondary target names.
204 result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
205 if test -n "$result"; then
211 . ${srcdir}/configure.tgt
213 if test "$targ" = "$target"; then
217 for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
218 case " $all_emuls " in
221 all_emuls="$all_emuls e${i}.o"
222 eval result=\$tdir_$i
223 test -z "$result" && result=$targ_alias
224 echo tdir_$i=$result >> tdirs
229 for i in $targ_emul $targ_extra_libpath; do
230 case " $all_libpath " in
233 if test -z "$all_libpath"; then
236 all_libpath="$all_libpath ${i}"
242 for i in $targ_extra_ofiles; do
243 case " $all_emul_extras " in
246 all_emul_extras="$all_emul_extras ${i}"
258 dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
259 dnl target, and in those cases we should also build the 64 bit
261 if test x${all_targets} = xtrue; then
262 if test x${want64} = xtrue; then
263 EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
265 EMULATION_OFILES='$(ALL_EMULATIONS)'
267 EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
269 EMULATION_OFILES=$all_emuls
270 EMUL_EXTRA_OFILES=$all_emul_extras
272 AC_SUBST(EMULATION_OFILES)
273 AC_SUBST(EMUL_EXTRA_OFILES)
276 EMULATION_LIBPATH=$all_libpath
277 AC_SUBST(EMULATION_LIBPATH)
279 if test x${enable_static} = xno; then
280 TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
282 TESTBFDLIB="../bfd/.libs/libbfd.a"
286 target_vendor=${target_vendor=$host_vendor}
287 case "$target_vendor" in
288 hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
289 *) EXTRA_SHLIB_EXTENSION= ;;
293 lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
296 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
297 AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
298 [Additional extension a shared object might have.])
301 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
302 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])