X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=619c15161cf73497880b10143502aafbd1397c42;hb=d6f6f455778b10037503bcc39352b5174bba5e45;hp=b89c2a13467857722dab1e4860f05e780472dc9c;hpb=68b2fc7af6c5303cbe64d9df581ade294975fa69;p=platform%2Fupstream%2Fbinutils.git
diff --git a/ld/configure.in b/ld/configure.in
index b89c2a1..619c151 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,22 +1,41 @@
dnl Process this file with autoconf to produce a configure script
dnl
-AC_PREREQ(2.13)
-AC_INIT(ldmain.c)
+dnl Copyright 2012 Free Software Foundation
+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 .
+dnl
-AC_CANONICAL_SYSTEM
+AC_PREREQ(2.59)
+AC_INIT
+AC_CONFIG_SRCDIR(ldmain.c)
+
+AC_CANONICAL_TARGET
+AC_CANONICAL_BUILD
AC_ISC_POSIX
changequote(,)dnl
-BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
+BFD_VERSION=`${srcdir}/../bfd/configure --version | sed -n -e '1s,.* ,,p'`
changequote([,])dnl
AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
+AM_MAINTAINER_MODE
-AM_PROG_LIBTOOL
-
+AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$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 ;;
@@ -29,28 +48,107 @@ AC_ARG_ENABLE(64-bit-bfd,
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
-build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
-AC_ARG_ENABLE(build-warnings,
-[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
+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}/${target_alias}/sys-root' ;;
+ *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
+ esac
+
+ 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
+ test_exec_prefix=$test_prefix
+ else
+ test_exec_prefix=$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="$t"
+ ;;
+ esac
+], [
+ use_sysroot=no
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
+])
+AC_SUBST(use_sysroot)
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+
+dnl Use --enable-gold to decide if this linker should be the default.
+dnl "install_as_default" is set to false if gold is the default linker.
+dnl "installed_linker" is the installed BFD linker name.
+AC_ARG_ENABLE(gold,
+[[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
+[case "${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=],
+ [GOT handling scheme (target, single, negative, multigot)]),
[case "${enableval}" in
- yes) ;;
- no) build_warnings="-w";;
- ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
- build_warnings="${build_warnings} ${t}";;
- *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
- build_warnings="${t} ${build_warnings}";;
- *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+ 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 ${got_handling} for --enable-got option) ;;
esac
-if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
- echo "Setting warning flags = $build_warnings" 6>&1
-fi])dnl
-WARN_CFLAGS=""
-if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
- WARN_CFLAGS="${build_warnings}"
-fi
-AC_SUBST(WARN_CFLAGS)
-AM_CONFIG_HEADER(config.h:config.in)
+AM_BINUTILS_WARNINGS
+
+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.)
@@ -62,10 +160,17 @@ fi
# 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"
-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
@@ -73,25 +178,77 @@ AC_PROG_YACC
AM_PROG_LEX
AM_MAINTAINER_MODE
+AM_CONDITIONAL(GENINSRC_NEVER, false)
+ACX_PROG_CMP_IGNORE_INITIAL
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
+AC_SUBST(HOSTING_SCRT0)
AC_SUBST(HOSTING_LIBS)
+AC_SUBST(HOSTING_SLIBS)
AC_SUBST(NATIVE_LIB_DIRS)
-AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
-AC_CHECK_FUNCS(sbrk)
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
+AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
+ACX_HEADER_STRING
+AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
+AC_CHECK_FUNCS(open lseek close)
AC_HEADER_DIRENT
+# Check for dlopen support and enable plugins if possible.
+enable_plugins=yes
+AC_CHECK_HEADER([dlfcn.h],[],[enable_plugins=no],[AC_INCLUDES_DEFAULT])
+AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[])
+AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no])
+# We also support plugins on Windows (MinGW).
+if test x$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 $enable_initfini_array = yes; then
+ AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
+ [Define .init_array/.fini_array sections are available and working.])
+fi
+
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ], [extern int getopt (int, char *const*, const char *);])],
+ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
+if test $ld_cv_decl_getopt_unistd_h = yes; then
+ AC_DEFINE([HAVE_DECL_GETOPT], 1,
+ [Is the prototype for getopt in in the expected format?])
+fi
+
BFD_BINARY_FOPEN
-BFD_NEED_DECLARATION(strstr)
-BFD_NEED_DECLARATION(free)
-BFD_NEED_DECLARATION(sbrk)
-BFD_NEED_DECLARATION(getenv)
-BFD_NEED_DECLARATION(environ)
+AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
+
+# Link in zlib if we can. This is needed only for the bootstrap tests
+# right now, since those tests use libbfd, which depends on zlib.
+AM_ZLIB
# When converting linker scripts into strings for use in emulation
# files, use astring.sed if the compiler supports ANSI string
@@ -101,9 +258,9 @@ BFD_NEED_DECLARATION(environ)
# support string concatenation.
AC_MSG_CHECKING([whether ANSI C string concatenation works])
AC_CACHE_VAL(ld_cv_string_concatenation,
-[AC_TRY_COMPILE(,[char *a = "a" "a";],
- [ld_cv_string_concatenation=yes],
- [ld_cv_string_concatenation=no])])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],
+ ld_cv_string_concatenation=yes,
+ ld_cv_string_concatenation=no)])
AC_MSG_RESULT($ld_cv_string_concatenation)
if test "$ld_cv_string_concatenation" = "yes"; then
STRINGIFY=astring.sed
@@ -126,6 +283,15 @@ dnl not permit literal newlines in an AC_SUBST variables. So we use a
dnl file.
rm -f tdirs
+# If the host is 64-bit, then we enable 64-bit targets by default.
+# This is consistent with what ../bfd/configure.in does.
+if test x${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
@@ -145,6 +311,15 @@ do
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 "*) ;;
@@ -186,9 +361,6 @@ 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) $(ALL_64_EMULATIONS)'
@@ -202,6 +374,7 @@ else
fi
AC_SUBST(EMULATION_OFILES)
AC_SUBST(EMUL_EXTRA_OFILES)
+AC_SUBST(LIB_PATH)
EMULATION_LIBPATH=$all_libpath
AC_SUBST(EMULATION_LIBPATH)
@@ -218,10 +391,21 @@ 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
-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