re PR preprocessor/32868 (Don't warn about redefinitions of __STDC_FORMAT_MACROS)

libcpp
	PR preprocessor/32868:
	* macro.c (_cpp_create_definition): Special case
	__STDC_FORMAT_MACROS.
gcc/testsuite
	PR preprocessor/32868:
	* gcc.dg/cpp/pr32868.c: New file.

From-SVN: r130544
This commit is contained in:
Tom Tromey 2007-11-30 18:24:01 +00:00 committed by Tom Tromey
parent 28d67019f9
commit 607f74e9c6
4 changed files with 19 additions and 1 deletions

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@ -1,3 +1,8 @@
2007-11-30 Tom Tromey <tromey@redhat.com>
PR preprocessor/32868:
* gcc.dg/cpp/pr32868.c: New file.
2007-11-30 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/34248

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@ -0,0 +1,6 @@
/* PR preprocessor/32868. It is ok to redefine __STDC_FORMAT_MACROS. */
/* { dg-do preprocess } */
#define __STDC_FORMAT_MACROS 1
#define __STDC_FORMAT_MACROS 1

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@ -1,3 +1,9 @@
2007-11-30 Tom Tromey <tromey@redhat.com>
PR preprocessor/32868:
* macro.c (_cpp_create_definition): Special case
__STDC_FORMAT_MACROS.
2007-11-16 Michael Matz <matz@suse.de>
* files.c (search_path_head): Fix check for absolute paths.

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@ -1695,7 +1695,8 @@ _cpp_create_definition (cpp_reader *pfile, cpp_hashnode *node)
/* Enter definition in hash table. */
node->type = NT_MACRO;
node->value.macro = macro;
if (! ustrncmp (NODE_NAME (node), DSC ("__STDC_")))
if (! ustrncmp (NODE_NAME (node), DSC ("__STDC_"))
&& ustrcmp (NODE_NAME (node), (const uchar *) "__STDC_FORMAT_MACROS"))
node->flags |= NODE_WARN;
return ok;