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Date: Sun, 28 Nov 2010 13:28:00 -0000
From: Jack Howarth <howarth@bromo.med.uc.edu>
To: gcc-patches@gcc.gnu.org
Cc: joseph@codesourcery.com, Ralf.Wildenhues@gmx.de
Subject: [PATCH,, PR46650][Revised] Fix --enable-build-with-cxx bootstrap	failure
Message-ID: <20101128030344.GA23135@bromo.med.uc.edu>
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  Currently the --enable-build-with-cxx bootstrap is broken due to r167010
which poisoned the strerror macro. The attached patch includes the cstring c++
header when __cplusplus is defined. The previous includes for string.h and
strings.h are left in place for symbols like strcasecmp. Bootstrap and
regression tested on x86_64-apple-darwin10.

http://gcc.gnu.org/ml/gcc-testresults/2010-11/msg02329.html

Okay for gcc trunk?
           Jack

2010-11-27  Jack Howarth <howarth@bromo.med.uc.edu>
            Joseph Myers <joseph@codesourcery.com>

        PR bootstrap/46650
        * gcc/system.h: Include cstring for cxx bootstrap.

Index: gcc/system.h
===================================================================
--- gcc/system.h	(revision 167217)
+++ gcc/system.h	(working copy)
@@ -194,6 +194,10 @@
    rely on (and therefore test) GCC's string builtins.  */
 #define __NO_STRING_INLINES
 
+#ifdef __cplusplus
+# include <cstring>
+#endif
+
 #ifdef STRING_WITH_STRINGS
 # include <string.h>
 # include <strings.h>