diff options
Diffstat (limited to 'libcpp/macro.c')
-rw-r--r-- | libcpp/macro.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libcpp/macro.c b/libcpp/macro.c index 754e2f77b90..3a3bf412724 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -1,7 +1,7 @@ /* Part of CPP library. (Macro and #define handling.) Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2006, 2007 Free Software Foundation, Inc. + 2006, 2007, 2008 Free Software Foundation, Inc. Written by Per Bothner, 1994. Based on CCCP program by Paul Rubin, June 1986 Adapted to ANSI C, Richard Stallman, Jan 1987 @@ -1696,7 +1696,13 @@ _cpp_create_definition (cpp_reader *pfile, cpp_hashnode *node) node->type = NT_MACRO; node->value.macro = macro; if (! ustrncmp (NODE_NAME (node), DSC ("__STDC_")) - && ustrcmp (NODE_NAME (node), (const uchar *) "__STDC_FORMAT_MACROS")) + && ustrcmp (NODE_NAME (node), (const uchar *) "__STDC_FORMAT_MACROS") + /* __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS are mentioned + in the C standard, as something that one must use in C++. + However DR#593 indicates that these aren't actually mentioned + in the C++ standard. We special-case them anyway. */ + && ustrcmp (NODE_NAME (node), (const uchar *) "__STDC_LIMIT_MACROS") + && ustrcmp (NODE_NAME (node), (const uchar *) "__STDC_CONSTANT_MACROS")) node->flags |= NODE_WARN; return ok; |