binutils-gdb/ld/configure.in

303 lines
7.8 KiB
Plaintext
Raw Normal View History

1999-05-03 09:29:11 +02:00
dnl Process this file with autoconf to produce a configure script
dnl
AC_PREREQ(2.13)
1999-05-03 09:29:11 +02:00
AC_INIT(ldmain.c)
AC_CANONICAL_SYSTEM
AC_ISC_POSIX
1999-05-03 09:29:11 +02:00
changequote(,)dnl
BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
changequote([,])dnl
AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
1999-05-03 09:29:11 +02:00
AM_PROG_LIBTOOL
2002-08-23 10:03:32 +02:00
AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
1999-05-03 09:29:11 +02:00
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
AC_ARG_ENABLE(64-bit-bfd,
[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
yes) want64=true ;;
no) want64=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 17:14:01 +01:00
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
[
case ${with_sysroot} in
yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 17:14:01 +01:00
*) TARGET_SYSTEM_ROOT=$with_sysroot ;;
esac
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
use_sysroot=yes
if test "x$exec_prefix" = xNONE; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
else
test_prefix=$prefix
fi
else
test_prefix=$exec_prefix
fi
case ${TARGET_SYSTEM_ROOT} in
"${test_prefix}"|"${test_prefix}/"*|\
'${exec_prefix}'|'${exec_prefix}/'*)
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 17:14:01 +01:00
t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
TARGET_SYSTEM_ROOT_DEFINE="$t"
;;
esac
], [
use_sysroot=no
TARGET_SYSTEM_ROOT=
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
])
AC_SUBST(use_sysroot)
AC_SUBST(TARGET_SYSTEM_ROOT)
AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
dnl FIXME: The following is bfd/warning.m4 contents expanded
dnl When converting to current autotools, please replace with
dnl AM_BINUTILS_WARNINGS
WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
2005-03-16 17:17:14 +01:00
AC_ARG_ENABLE(werror,
[ --enable-werror treat compile warnings as errors],
2005-03-16 17:17:14 +01:00
[case "${enableval}" in
yes | y) ERROR_ON_WARNING="yes" ;;
no | n) ERROR_ON_WARNING="no" ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
2005-03-16 17:17:14 +01:00
esac])
# Enable -Werror by default when using gcc
if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
ERROR_ON_WARNING=yes
2005-03-16 17:17:14 +01:00
fi
NO_WERROR=
if test "${ERROR_ON_WARNING}" = yes ; then
WARN_CFLAGS="$WARN_CFLAGS -Werror"
NO_WERROR="-Wno-error"
fi
AC_ARG_ENABLE(build-warnings,
[ --enable-build-warnings Enable build-time compiler warnings],
[case "${enableval}" in
yes) ;;
no) WARN_CFLAGS="-w";;
,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
WARN_CFLAGS="${WARN_CFLAGS} ${t}";;
*,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
WARN_CFLAGS="${t} ${WARN_CFLAGS}";;
*) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;;
esac])
if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then
echo "Setting warning flags = $WARN_CFLAGS" 6>&1
fi
AC_SUBST(WARN_CFLAGS)
AC_SUBST(NO_WERROR)
1999-05-03 09:29:11 +02:00
AM_CONFIG_HEADER(config.h:config.in)
if test -z "$target" ; then
AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
fi
if test -z "$host" ; then
AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
fi
# host-specific stuff:
AC_PROG_CC
AC_PROG_INSTALL
2002-11-12 11:08:25 +01:00
ALL_LINGUAS="fr sv tr es da"
1999-05-03 09:29:11 +02:00
CY_GNU_GETTEXT
AC_EXEEXT
AC_PROG_YACC
AM_PROG_LEX
AM_MAINTAINER_MODE
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(NATIVE_LIB_DIRS)
AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
AC_CHECK_FUNCS(sbrk realpath glob)
1999-05-03 09:29:11 +02:00
AC_HEADER_DIRENT
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
if test $ld_cv_decl_getopt_unistd_h = yes; then
AC_DEFINE([HAVE_DECL_GETOPT], 1,
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
1999-05-03 09:29:11 +02:00
BFD_BINARY_FOPEN
BFD_NEED_DECLARATION(strstr)
BFD_NEED_DECLARATION(free)
BFD_NEED_DECLARATION(sbrk)
BFD_NEED_DECLARATION(getenv)
BFD_NEED_DECLARATION(environ)
# When converting linker scripts into strings for use in emulation
# files, use astring.sed if the compiler supports ANSI string
# concatenation, or ostring.sed otherwise. This is to support the
# broken Microsoft MSVC compiler, which limits the length of string
# constants, while still supporting pre-ANSI compilers which do not
# support string concatenation.
AC_MSG_CHECKING([whether ANSI C string concatenation works])
AC_CACHE_VAL(ld_cv_string_concatenation,
[AC_TRY_COMPILE(,[char *a = "a" "a";],
[ld_cv_string_concatenation=yes],
[ld_cv_string_concatenation=no])])
AC_MSG_RESULT($ld_cv_string_concatenation)
if test "$ld_cv_string_concatenation" = "yes"; then
STRINGIFY=astring.sed
else
STRINGIFY=ostring.sed
fi
AC_SUBST(STRINGIFY)
1999-05-03 09:29:11 +02:00
# target-specific stuff:
all_targets=
EMUL=
all_emuls=
all_emul_extras=
all_libpath=
1999-05-03 09:29:11 +02:00
dnl We need to get an arbitrary number of tdir definitions into
dnl Makefile. We can't do it using AC_SUBST, because autoconf does
dnl not permit literal newlines in an AC_SUBST variables. So we use a
dnl file.
rm -f tdirs
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
if test "$targ_alias" = "all"; then
all_targets=true
else
# Canonicalize the secondary target names.
result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
1999-05-03 09:29:11 +02:00
if test -n "$result"; then
targ=$result
else
targ=$targ_alias
fi
. ${srcdir}/configure.tgt
if test "$targ" = "$target"; then
EMUL=$targ_emul
fi
for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
1999-05-03 09:29:11 +02:00
case " $all_emuls " in
*" e${i}.o "*) ;;
*)
all_emuls="$all_emuls e${i}.o"
eval result=\$tdir_$i
test -z "$result" && result=$targ_alias
echo tdir_$i=$result >> tdirs
;;
esac
done
for i in $targ_emul $targ_extra_libpath; do
case " $all_libpath " in
*" ${i} "*) ;;
*)
if test -z "$all_libpath"; then
all_libpath=${i}
else
all_libpath="$all_libpath ${i}"
fi
;;
esac
done
1999-05-03 09:29:11 +02:00
for i in $targ_extra_ofiles; do
case " $all_emul_extras " in
*" ${i} "*) ;;
*)
all_emul_extras="$all_emul_extras ${i}"
;;
esac
done
fi
done
AC_SUBST(EMUL)
TDIRS=tdirs
AC_SUBST_FILE(TDIRS)
dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
dnl target, and in those cases we should also build the 64 bit
dnl emulations.
if test x${all_targets} = xtrue; then
if test x${want64} = xtrue; then
EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
else
EMULATION_OFILES='$(ALL_EMULATIONS)'
fi
EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
else
EMULATION_OFILES=$all_emuls
EMUL_EXTRA_OFILES=$all_emul_extras
fi
AC_SUBST(EMULATION_OFILES)
AC_SUBST(EMUL_EXTRA_OFILES)
2002-08-23 10:03:32 +02:00
AC_SUBST(LIB_PATH)
1999-05-03 09:29:11 +02:00
EMULATION_LIBPATH=$all_libpath
AC_SUBST(EMULATION_LIBPATH)
1999-05-03 09:29:11 +02:00
if test x${enable_static} = xno; then
TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
else
TESTBFDLIB="../bfd/.libs/libbfd.a"
fi
AC_SUBST(TESTBFDLIB)
target_vendor=${target_vendor=$host_vendor}
case "$target_vendor" in
hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
*) EXTRA_SHLIB_EXTENSION= ;;
esac
case "$target_os" in
lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
esac
if test x${EXTRA_SHLIB_EXTENSION} != x ; then
AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
[Additional extension a shared object might have.])
fi
1999-05-03 09:29:11 +02:00
AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])