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author | Nick Clifton <nickc@redhat.com> | 2010-02-15 10:37:55 +0000 |
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committer | Nick Clifton <nickc@redhat.com> | 2010-02-15 10:37:55 +0000 |
commit | 143754cd36b6f4b9b0788adb1e0296b30f65d776 (patch) | |
tree | 6274a3bbbb4ea3065aa8bd460143733cade55e91 /configure.ac | |
parent | ab7875de80fd04d985fcf167c193bfc4e978fd5c (diff) | |
download | fsf-binutils-gdb-143754cd36b6f4b9b0788adb1e0296b30f65d776.zip fsf-binutils-gdb-143754cd36b6f4b9b0788adb1e0296b30f65d776.tar.gz fsf-binutils-gdb-143754cd36b6f4b9b0788adb1e0296b30f65d776.tar.bz2 |
Sync from gcc mainline.
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/configure.ac b/configure.ac index be6337b..3464166 100644 --- a/configure.ac +++ b/configure.ac @@ -22,6 +22,7 @@ m4_include(config/acx.m4) m4_include(config/override.m4) m4_include(config/proginstall.m4) +m4_include(config/elf.m4) m4_include([libtool.m4]) m4_include([ltoptions.m4]) m4_include([ltsugar.m4]) @@ -497,6 +498,7 @@ case "${target}" in case "${target}" in i*86-*-*) ;; alpha*-*-*) ;; + x86_64-*-*) ;; *) noconfigdirs="$noconfigdirs ${libgcj}" ;; @@ -1475,21 +1477,6 @@ AC_ARG_WITH(stage1-libs, [stage1_libs=$with_host_libstdcxx]) AC_SUBST(stage1_libs) -# Linker flags to use for stage2 and later builds. -AC_ARG_WITH(boot-ldflags, -[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later], -[if test "$withval" = "no" -o "$withval" = "yes"; then - poststage1_ldflags= - else - poststage1_ldflags=$withval - fi], -[if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then - poststage1_ldflags=-static-libstdc++ - else - poststage1_ldflags= - fi]) -AC_SUBST(poststage1_ldflags) - # Libraries to use for stage2 and later builds. This defaults to the # argument passed to --with-host-libstdcxx. AC_ARG_WITH(boot-libs, @@ -1502,6 +1489,23 @@ AC_ARG_WITH(boot-libs, [poststage1_libs=$with_host_libstdcxx]) AC_SUBST(poststage1_libs) +# Linker flags to use for stage2 and later builds. +AC_ARG_WITH(boot-ldflags, +[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later], +[if test "$withval" = "no" -o "$withval" = "yes"; then + poststage1_ldflags= + else + poststage1_ldflags=$withval + fi], +[poststage1_ldflags= + # With --enable-build-with-cxx, default to linking libstdc++ and + # libgcc statically. But if the user explicitly specified the + # libraries to use, trust that they are doing what they want. + if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then + poststage1_ldflags="-static-libstdc++ -static-libgcc" + fi]) +AC_SUBST(poststage1_ldflags) + # Check for PPL ppl_major_version=0 ppl_minor_version=10 @@ -1605,9 +1609,9 @@ ENABLE_CLOOG_CHECK=yes) if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc" - AC_MSG_CHECKING([for correct version of CLooG]) + AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG]) AC_TRY_COMPILE([#include "cloog/cloog.h"],[ - #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 + #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5 choke me #endif ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ]) @@ -1624,6 +1628,16 @@ AC_ARG_ENABLE(lto, enable_lto=$enableval, enable_lto=yes; default_enable_lto=yes) +ACX_ELF_TARGET_IFELSE([], +if test x"$default_enable_lto" = x"yes" ; then + enable_lto=no +else + if test x"$enable_lto" = x"yes"; then + AC_MSG_ERROR([LTO support requires an ELF target.]) + fi +fi +default_enable_lto=no) + if test x"$enable_lto" = x"yes" ; then # Make sure that libelf.h and gelf.h are available. AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package |