Enable multiarch whenever possible.
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@ -1,3 +1,9 @@
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2009-12-17 H.J. Lu <hongjiu.lu@intel.com>
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* configure.in: Enable multi-arch by default if the assembler
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supports gnu_indirect_function symbol type and the architecture
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supports it.
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2009-12-23 Ulrich Drepper <drepper@redhat.com>
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2009-12-23 Ulrich Drepper <drepper@redhat.com>
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* include/stdlib.h: Exclude some includes and prototypes if _ISOMAC
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* include/stdlib.h: Exclude some includes and prototypes if _ISOMAC
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@ -724,12 +724,12 @@ INSTALL_PROGRAM
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sysdeps_add_ons
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sysdeps_add_ons
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sysnames
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sysnames
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submachine
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submachine
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multi_arch
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base_machine
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base_machine
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add_on_subdirs
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add_on_subdirs
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add_ons
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add_ons
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libc_cv_nss_crypt
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libc_cv_nss_crypt
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experimental_malloc
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experimental_malloc
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multi_arch
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all_warnings
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all_warnings
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force_install
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force_install
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bindnow
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bindnow
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@ -3801,18 +3801,13 @@ fi
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if test "${enable_multi_arch+set}" = set; then
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if test "${enable_multi_arch+set}" = set; then
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enableval=$enable_multi_arch; multi_arch=$enableval
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enableval=$enable_multi_arch; multi_arch=$enableval
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else
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else
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multi_arch=no
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multi_arch=default
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fi
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fi
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if test x"$multi_arch" = xyes; then
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if test x"$multi_arch" != xno; then
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cat >>confdefs.h <<\_ACEOF
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#define USE_MULTIARCH 1
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_ACEOF
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multi_arch_d=/multiarch
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multi_arch_d=/multiarch
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fi
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fi
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# Check whether --enable-experimental-malloc was given.
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# Check whether --enable-experimental-malloc was given.
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if test "${enable_experimental_malloc+set}" = set; then
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if test "${enable_experimental_malloc+set}" = set; then
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enableval=$enable_experimental_malloc; experimental_malloc=$enableval
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enableval=$enable_experimental_malloc; experimental_malloc=$enableval
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@ -4359,6 +4354,44 @@ for b in $base ''; do
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done
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done
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done
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done
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# If the assembler supports gnu_indirect_function symbol type and the
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# architecture supports multi-arch, we enable multi-arch by default.
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if test "$multi_arch" = default; then
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{ $as_echo "$as_me:$LINENO: checking for assembler gnu_indirect_function symbol type support" >&5
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$as_echo_n "checking for assembler gnu_indirect_function symbol type support... " >&6; }
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if test "${libc_cv_asm_gnu_indirect_function+set}" = set; then
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.s <<EOF
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.type foo,%gnu_indirect_function
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EOF
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if ${CC-cc} -c $ASFLAGS conftest.s 1>&5 2>&5;
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then
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libc_cv_asm_gnu_indirect_function=yes
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else
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libc_cv_asm_gnu_indirect_function=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:$LINENO: result: $libc_cv_asm_gnu_indirect_function" >&5
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$as_echo "$libc_cv_asm_gnu_indirect_function" >&6; }
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multi_arch=no
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if test "$libc_cv_asm_gnu_indirect_function" = yes; then
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case $sysnames_add_ons$sysnames in
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*"$multi_arch_d"*)
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multi_arch=yes
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;;
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esac
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fi
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fi
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if test x"$multi_arch" = xyes; then
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cat >>confdefs.h <<\_ACEOF
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#define USE_MULTIARCH 1
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_ACEOF
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fi
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if test -z "$os_used" && test "$os" != none; then
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if test -z "$os_used" && test "$os" != none; then
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{ { $as_echo "$as_me:$LINENO: error: Operating system $os is not supported." >&5
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{ { $as_echo "$as_me:$LINENO: error: Operating system $os is not supported." >&5
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$as_echo "$as_me: error: Operating system $os is not supported." >&2;}
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$as_echo "$as_me: error: Operating system $os is not supported." >&2;}
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35
configure.in
35
configure.in
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@ -272,12 +272,10 @@ AC_ARG_ENABLE([multi-arch],
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AC_HELP_STRING([--enable-multi-arch],
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AC_HELP_STRING([--enable-multi-arch],
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[enable single DSO with optimizations for multiple architectures]),
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[enable single DSO with optimizations for multiple architectures]),
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[multi_arch=$enableval],
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[multi_arch=$enableval],
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[multi_arch=no])
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[multi_arch=default])
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if test x"$multi_arch" = xyes; then
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if test x"$multi_arch" != xno; then
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AC_DEFINE(USE_MULTIARCH)
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multi_arch_d=/multiarch
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multi_arch_d=/multiarch
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fi
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fi
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AC_SUBST(multi_arch)
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AC_ARG_ENABLE([experimental-malloc],
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AC_ARG_ENABLE([experimental-malloc],
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AC_HELP_STRING([--enable-experimental-malloc],
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AC_HELP_STRING([--enable-experimental-malloc],
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@ -722,6 +720,35 @@ for b in $base ''; do
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done
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done
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done
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done
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# If the assembler supports gnu_indirect_function symbol type and the
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# architecture supports multi-arch, we enable multi-arch by default.
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if test "$multi_arch" = default; then
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AC_CACHE_CHECK([for assembler gnu_indirect_function symbol type support],
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libc_cv_asm_gnu_indirect_function, [dnl
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cat > conftest.s <<EOF
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.type foo,%gnu_indirect_function
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EOF
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if ${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;
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then
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libc_cv_asm_gnu_indirect_function=yes
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else
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libc_cv_asm_gnu_indirect_function=no
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fi
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rm -f conftest*])
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multi_arch=no
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if test "$libc_cv_asm_gnu_indirect_function" = yes; then
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case $sysnames_add_ons$sysnames in
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*"$multi_arch_d"*)
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multi_arch=yes
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;;
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esac
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fi
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fi
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if test x"$multi_arch" = xyes; then
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AC_DEFINE(USE_MULTIARCH)
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fi
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AC_SUBST(multi_arch)
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if test -z "$os_used" && test "$os" != none; then
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if test -z "$os_used" && test "$os" != none; then
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AC_MSG_ERROR(Operating system $os is not supported.)
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AC_MSG_ERROR(Operating system $os is not supported.)
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fi
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fi
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