dnl Process this file with autoconf to produce a configure script
dnl
-AC_PREREQ(2.57)
-AC_INIT(ldmain.c)
+dnl Copyright (C) 2012-2014 Free Software Foundation, Inc.
+dnl
+dnl This file is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; see the file COPYING3. If not see
+dnl <http://www.gnu.org/licenses/>.
+dnl
-AC_CANONICAL_SYSTEM
-AC_ISC_POSIX
+AC_PREREQ(2.59)
+m4_include([../bfd/version.m4])
+AC_INIT([ld], BFD_VERSION)
+AC_CONFIG_SRCDIR(ldmain.c)
-changequote(,)dnl
-BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
-changequote([,])dnl
-AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
+AC_CANONICAL_TARGET
+AC_CANONICAL_BUILD
+AC_ISC_POSIX
-AM_PROG_LIBTOOL
+AM_INIT_AUTOMAKE
+AM_MAINTAINER_MODE
AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
- yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
+ yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
use_sysroot=yes
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
+ test_exec_prefix=$test_prefix
else
- test_prefix=$exec_prefix
+ test_exec_prefix=$exec_prefix
fi
case ${TARGET_SYSTEM_ROOT} in
"${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
'${exec_prefix}'|'${exec_prefix}/'*)
t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
TARGET_SYSTEM_ROOT_DEFINE="$t"
AC_SUBST(TARGET_SYSTEM_ROOT)
AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+dnl Use --enable-gold to decide if this linker should be the default.
+dnl "install_as_default" is set to false if gold is the default linker.
+dnl "installed_linker" is the installed BFD linker name.
+AC_ARG_ENABLE(gold,
+[[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
+[case "${enableval}" in
+ default)
+ install_as_default=no
+ installed_linker=ld.bfd
+ ;;
+ yes|no)
+ install_as_default=yes
+ installed_linker=ld.bfd
+ ;;
+ *)
+ AC_MSG_ERROR([invalid --enable-gold argument])
+ ;;
+ esac],
+[install_as_default=yes
+ installed_linker=ld.bfd])
+AC_SUBST(install_as_default)
+AC_SUBST(installed_linker)
+
+AC_ARG_ENABLE([got],
+AS_HELP_STRING([--enable-got=<type>],
+ [GOT handling scheme (target, single, negative, multigot)]),
+[case "${enableval}" in
+ target | single | negative | multigot) got_handling=$enableval ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;;
+esac],
+[got_handling=target])
+
+case "${got_handling}" in
+ target)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],
+ [Define to choose default GOT handling scheme]) ;;
+ single)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],
+ [Define to choose default GOT handling scheme]) ;;
+ negative)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],
+ [Define to choose default GOT handling scheme]) ;;
+ multigot)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],
+ [Define to choose default GOT handling scheme]) ;;
+ *) AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;;
+esac
+
AM_BINUTILS_WARNINGS
-AM_CONFIG_HEADER(config.h:config.in)
+AM_LC_MESSAGES
+
+AC_CONFIG_HEADERS([config.h:config.in])
+
+# PR 14072
+AH_VERBATIM([00_CONFIG_H_CHECK],
+[/* Check that config.h is #included before system headers
+ (this works only for glibc, but that should be enough). */
+#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
+# error config.h must be #included before system headers
+#endif
+#define __CONFIG_H__ 1])
if test -z "$target" ; then
AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
# host-specific stuff:
AC_PROG_CC
+AC_PROG_CXX
+AC_GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
+ACX_LARGEFILE
AC_PROG_INSTALL
-ALL_LINGUAS="fr sv tr es da vi"
-CY_GNU_GETTEXT
+LT_INIT
+
+ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg it uk"
+ZW_GNU_GETTEXT_SISTER_DIR
+AM_PO_SUBDIRS
AC_EXEEXT
AM_PROG_LEX
AM_MAINTAINER_MODE
+AM_CONDITIONAL(GENINSRC_NEVER, false)
+ACX_PROG_CMP_IGNORE_INITIAL
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
+AC_SUBST(HOSTING_SCRT0)
AC_SUBST(HOSTING_LIBS)
+AC_SUBST(HOSTING_SLIBS)
AC_SUBST(NATIVE_LIB_DIRS)
-AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
-AC_CHECK_FUNCS(sbrk realpath glob)
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
+AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
+ACX_HEADER_STRING
+AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
+AC_CHECK_FUNCS(open lseek close)
AC_HEADER_DIRENT
+# Check for dlopen support and enable plugins if possible.
+enable_plugins=yes
+AC_CHECK_HEADER([dlfcn.h],[],[enable_plugins=no],[AC_INCLUDES_DEFAULT])
+AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[])
+AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no])
+# We also support plugins on Windows (MinGW).
+if test x$enable_plugins = xno ; then
+ AC_CHECK_HEADERS([windows.h],[enable_plugins=yes],[],[AC_INCLUDES_DEFAULT])
+fi
+AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes])
+
+AC_ARG_ENABLE(initfini-array,
+ [ --enable-initfini-array use .init_array/.fini_array sections],
+ [], [
+AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
+ gcc_cv_initfini_array, [dnl
+ if test "x${build}" = "x${target}" ; then
+ AC_RUN_IFELSE([AC_LANG_SOURCE([
+static int x = -1;
+int main (void) { return x; }
+int foo (void) { x = 0; }
+int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],
+ [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
+ [gcc_cv_initfini_array=no])
+ else
+ gcc_cv_initfini_array=no
+ fi])
+ enable_initfini_array=$gcc_cv_initfini_array
+])
+AC_SUBST(enable_initfini_array)
+if test $enable_initfini_array = yes; then
+ AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
+ [Define .init_array/.fini_array sections are available and working.])
+fi
+
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
-[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
if test $ld_cv_decl_getopt_unistd_h = yes; then
AC_DEFINE([HAVE_DECL_GETOPT], 1,
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
-
+
BFD_BINARY_FOPEN
AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
+# Link in zlib if we can. This is needed only for the bootstrap tests
+# right now, since those tests use libbfd, which depends on zlib.
+AM_ZLIB
+
# When converting linker scripts into strings for use in emulation
# files, use astring.sed if the compiler supports ANSI string
# concatenation, or ostring.sed otherwise. This is to support the
# support string concatenation.
AC_MSG_CHECKING([whether ANSI C string concatenation works])
AC_CACHE_VAL(ld_cv_string_concatenation,
-[AC_TRY_COMPILE(,[char *a = "a" "a";],
- [ld_cv_string_concatenation=yes],
- [ld_cv_string_concatenation=no])])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],
+ ld_cv_string_concatenation=yes,
+ ld_cv_string_concatenation=no)])
AC_MSG_RESULT($ld_cv_string_concatenation)
if test "$ld_cv_string_concatenation" = "yes"; then
STRINGIFY=astring.sed
dnl file.
rm -f tdirs
+# If the host is 64-bit, then we enable 64-bit targets by default.
+# This is consistent with what ../bfd/configure.in does.
+if test x${want64} = xfalse; then
+ AC_CHECK_SIZEOF(void *)
+ if test "x${ac_cv_sizeof_void_p}" = "x8"; then
+ want64=true
+ fi
+fi
+
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
if test "$targ_alias" = "all"; then
EMUL=$targ_emul
fi
+ if test x${want64} = xfalse; then
+ . ${srcdir}/../bfd/config.bfd
+ fi
+
+ if test x${want64} = xtrue; then
+ targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
+ targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
+ fi
+
for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
case " $all_emuls " in
*" e${i}.o "*) ;;
;;
esac
done
+
fi
done
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) $(ALL_64_EMULATIONS)'
+ EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES) $(ALL_64_EMUL_EXTRA_OFILES)'
else
EMULATION_OFILES='$(ALL_EMULATIONS)'
+ EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
fi
- EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
else
EMULATION_OFILES=$all_emuls
EMUL_EXTRA_OFILES=$all_emul_extras
[Additional extension a shared object might have.])
fi
-AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
-[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])
+dnl Required by html, pdf, install-pdf and install-html
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
+AC_SUBST(pdfdir)
+
+AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)
+AC_OUTPUT
projects / deliverable / binutils-gdb.git / blobdiff