Implement -Wno-maybe-uninitialized

[pf3gnuchains/gcc-fork.git] / gcc / configure

diff --git a/gcc/configure b/gcc/configure
index a2f78c3..9056adb 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -10790,7 +10790,7 @@ case ${enable_threads} in
     target_thread_file='single'
     ;;
   aix | dce | gnat | irix | posix | posix95 | rtems | \
-  single | solaris | vxworks | win32 | mipssde)
+  single | vxworks | win32 | mipssde)
     target_thread_file=${enable_threads}
     ;;
   *)
@@ -23134,14 +23134,14 @@ fi
 $as_echo_n "checking linker plugin support... " >&6; }
 gcc_cv_lto_plugin=0
 if test -f liblto_plugin.la; then
-  if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET=" = x"$gcc_cv_ld"; then
+  if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then
     if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
       gcc_cv_lto_plugin=2
     elif test "$ld_is_gold" = yes -a "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -eq 20; then
       gcc_cv_lto_plugin=1
 
     fi
-  elif echo "$ld_ver" | grep GNU > /dev/null; then
+  elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld" && echo "$ld_ver" | grep GNU > /dev/null; then
     # Require GNU ld or gold 2.21+ for plugin support by default.
     if test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 21; then
       gcc_cv_lto_plugin=2
@@ -23149,6 +23149,10 @@ if test -f liblto_plugin.la; then
     elif test "$ld_is_gold" = yes -a "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 20; then
       gcc_cv_lto_plugin=1
     fi
+  elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" != x"$gcc_cv_ld"; then
+    # Allow -fuse-linker-plugin if plugin linker differs from
+    # default/specified linker.
+    gcc_cv_lto_plugin=1
   fi
 fi
 
@@ -23370,17 +23374,13 @@ bar:
     then
        if test x$gcc_cv_ld != x \
        && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
-         if $gcc_cv_ld -v | grep GNU >/dev/null 2>&1; then
-           if test x$gcc_cv_objdump != x; then
-             if $gcc_cv_objdump -s -j .text conftest 2> /dev/null \
-                | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1; then
+         if test x$gcc_cv_objdump != x; then
+           if $gcc_cv_objdump -s -j .text conftest 2> /dev/null \
+              | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1; then
               gcc_cv_as_sparc_gotdata_op=no
-             else
+           else
               gcc_cv_as_sparc_gotdata_op=yes
-             fi
            fi
-         else
-          gcc_cv_as_sparc_gotdata_op=yes
          fi
        fi
        rm -f conftest
@@ -25833,7 +25833,6 @@ $as_echo "$have_sys_sdt_h" >&6; }
 # and later they can use TFmode.
 case "$target" in
   powerpc*-*-linux* | \
-  powerpc*-*-gnu* | \
   sparc*-*-linux* | \
   s390*-*-linux* | \
   alpha*-*-linux*)