* system.h (strerror): Poison.

From-SVN: r167010

* system.h (strerror): Poison.
From-SVN: r167010
e7ff5730 · Joseph Myers · Joseph Myers · 6aad068a · e7ff5730 · e7ff5730
Commit e7ff5730 authored Nov 21, 2010 by Joseph Myers Committed by Joseph Myers Nov 21, 2010
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gcc/ChangeLog
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gcc/system.h
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2010-11-21  Joseph Myers  <joseph@codesourcery.com>
+
+	* system.h (strerror): Poison.
+
 2010-11-21  Richard Henderson  <rth@redhat.com>

 	* config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -684,6 +684,12 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 #pragma GCC poison malloc realloc
 #endif

+/* The %m format should be used when GCC's main diagnostic functions
+   supporting %m are available, and xstrerror from libiberty
+   otherwise.  */
+#undef strerror
+ #pragma GCC poison strerror
+
 /* Old target macros that have moved to the target hooks structure.  */
 #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN			\
 	FUNCTION_PROLOGUE FUNCTION_EPILOGUE				\