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Sync from gcc mainline.

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This commit is contained in:
Nick Clifton
2010-02-15 10:37:55 +00:00
parent 8103e40743
commit f107c370b3
5 changed files with 124 additions and 42 deletions
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48
configure.ac
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@@ -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