From c684482df781c15e444220aceba4b9fd2a3f2629 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 25 Jul 2006 08:39:57 +0000
Subject: [PATCH] Sync from GCC

2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/18058
        * configure.in: Add -fkeep-inline-functions to CFLAGS for stage 1
        if the bootstrap compiler is a GCC version that supports it.
        * configure: Regenerate.

config:
2006-07-21  David Daney  <ddaney@avtrex.com>

        PR libgcj/28426
        * gxx-include-dir.m4: Use target_alias in path for cross build.
---
 ChangeLog                 | 10 ++++++++++
 config/ChangeLog          |  5 +++++
 config/gxx-include-dir.m4 |  8 +++++++-
 configure                 | 31 +++++++++++++++++++++++++++++++
 configure.in              | 15 +++++++++++++++
 5 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index d86ec0aac..c50936063 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2006-07-25  Paolo Bonzini  <bonzini@gnu.org>
+
+	Sync from GCC:
+	2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+        PR bootstrap/18058
+        * configure.in: Add -fkeep-inline-functions to CFLAGS for stage 1
+        if the bootstrap compiler is a GCC version that supports it.
+        * configure: Regenerate.
+
 2006-07-22  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* configure.in: Allow mingw32 and cygwin targets to build cross-gdb.
diff --git a/config/ChangeLog b/config/ChangeLog
index 55ea2e292..bf0c5d6df 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -9,6 +9,11 @@
         PR target/26792
         * unwind_ipinfo.m4: New.
 
+	2006-07-21  David Daney  <ddaney@avtrex.com>
+
+        PR libgcj/28426
+        * gxx-include-dir.m4: Use target_alias in path for cross build.
+
 2006-07-18  Paolo Bonzini  <bonzini@gnu.org>
 
         * acx.m4: Support --with-build-libsubdir and AC_SUBST
diff --git a/config/gxx-include-dir.m4 b/config/gxx-include-dir.m4
index 0e6e4ffc3..4f54d427f 100644
--- a/config/gxx-include-dir.m4
+++ b/config/gxx-include-dir.m4
@@ -17,7 +17,13 @@ case "${with_gxx_include_dir}" in
       yes) gxx_include_dir='$(libsubdir)/include/c++' ;;
       *)
 	libstdcxx_incdir='c++/$(gcc_version)'
-	gxx_include_dir='$(prefix)/include/$(libstdcxx_incdir)' ;;
+	gxx_include_dir='include/$(libstdcxx_incdir)'
+	if test -n "$with_cross_host" && 
+           test x"$with_cross_host" != x"no"; then	
+          gxx_include_dir='${prefix}/${target_alias}/'"$gxx_include_dir"
+        else
+          gxx_include_dir='${prefix}/'"$gxx_include_dir"
+        fi;;
     esac ;;
   *) gxx_include_dir=${with_gxx_include_dir} ;;
 esac
diff --git a/configure b/configure
index 0f948368f..22cdb87e4 100755
--- a/configure
+++ b/configure
@@ -7263,6 +7263,37 @@ case $build in
     ;;
 esac
 
+# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
+if test "$GCC" = yes; then
+  saved_CFLAGS="$CFLAGS"
+
+  # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
+  CFLAGS="$CFLAGS -fkeep-inline-functions"
+  echo $ac_n "checking whether -fkeep-inline-functions is supported""... $ac_c" 1>&6
+echo "configure:7274: checking whether -fkeep-inline-functions is supported" >&5
+  cat > conftest.$ac_ext <<EOF
+#line 7276 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:7283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  echo "$ac_t""yes" 1>&6; stage1_cflags="$stage1_cflags -fkeep-inline-functions"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+
+  CFLAGS="$saved_CFLAGS"
+fi
+
+
 
 # Enable -Werror in bootstrap stage2 and later.
 # Change the default to "no" on release branches.
diff --git a/configure.in b/configure.in
index 48b3a334a..0c8335186 100644
--- a/configure.in
+++ b/configure.in
@@ -2397,6 +2397,21 @@ case $build in
     stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
     ;;
 esac
+
+# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
+if test "$GCC" = yes; then
+  saved_CFLAGS="$CFLAGS"
+
+  # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
+  CFLAGS="$CFLAGS -fkeep-inline-functions"
+  AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
+  AC_TRY_COMPILE(,,
+    [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
+    [AC_MSG_RESULT([no])])
+
+  CFLAGS="$saved_CFLAGS"
+fi
+
 AC_SUBST(stage1_cflags)
 
 # Enable -Werror in bootstrap stage2 and later.