* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update

[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / acinclude.m4

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 2a317e6..97b20a7 100644 (file)
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -1383,7 +1383,14 @@ AC_DEFUN([GLIBCXX_ENABLE_HOSTED], [
   AC_ARG_ENABLE([hosted-libstdcxx],
     AC_HELP_STRING([--disable-hosted-libstdcxx],
                    [only build freestanding C++ runtime support]),,
-    [enable_hosted_libstdcxx=yes])
+    [case "$host" in
+       arm*-*-symbianelf*) 
+           enable_hosted_libstdcxx=no
+           ;;
+        *) 
+           enable_hosted_libstdcxx=yes
+           ;;
+     esac])
   if test "$enable_hosted_libstdcxx" = no; then
     AC_MSG_NOTICE([Only freestanding libraries will be built])
     is_hosted=no
@@ -1577,6 +1584,23 @@ if test $enable_symvers != no; then
   CFLAGS=' -lgcc_s'
   AC_TRY_LINK(, [return 0;], glibcxx_shared_libgcc=yes, glibcxx_shared_libgcc=no)
   CFLAGS="$ac_save_CFLAGS"
+  if test $glibcxx_shared_libgcc = no; then
+    cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+changequote(,)dnl
+    glibcxx_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
+                            -shared -shared-libgcc -o conftest.so \
+                            conftest.c -v 2>&1 >/dev/null \
+                            | sed -n 's/^.* -lgcc_s\([^ ]*\) .*$/\1/p'`
+changequote([,])dnl
+    rm -f conftest.c conftest.so
+    if test x${glibcxx_libgcc_s_suffix+set} = xset; then
+      CFLAGS=" -lgcc_s$glibcxx_libgcc_s_suffix"
+      AC_TRY_LINK(, [return 0;], glibcxx_shared_libgcc=yes)
+      CFLAGS="$ac_save_CFLAGS"
+    fi
+  fi
   AC_MSG_RESULT($glibcxx_shared_libgcc)
 fi