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PATCH: PR bootstrap/45958: --with-build-config=bootstrap-lto doesn't work


--with-demangler-in-ld will make gcc to pass "--demangle -plugin ..." to
ld.  But exec-tool.in has

  collect-ld)
    # when using a linker plugin, gcc will always pass '-plugin' as the
    # first option to the linker.
    if test x"$1" = "x-plugin"; then
      original=$ORIGINAL_PLUGIN_LD_FOR_TARGET
    else
      original=$ORIGINAL_LD_FOR_TARGET
    fi

It doesn't work with "--demangle -plugin ...".  This patch supports
'-plugin' as the second option to the linker.  OK to install?

Thanks.


H.J.
---
2010-10-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/45958
	* exec-tool.in: Support '-plugin' as the second option to the
	linker.

diff --git a/gcc/exec-tool.in b/gcc/exec-tool.in
index a146899..020294e 100644
--- a/gcc/exec-tool.in
+++ b/gcc/exec-tool.in
@@ -36,8 +36,8 @@ case "$invoked" in
     ;;
   collect-ld)
     # when using a linker plugin, gcc will always pass '-plugin' as the
-    # first option to the linker.
-    if test x"$1" = "x-plugin"; then
+    # first or second option to the linker.
+    if test x"$1" = "x-plugin" || test x"$2" = "x-plugin"; then
       original=$ORIGINAL_PLUGIN_LD_FOR_TARGET
     else
       original=$ORIGINAL_LD_FOR_TARGET


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