diff options
Diffstat (limited to 'gcc/cppmacro.c')
| -rw-r--r-- | gcc/cppmacro.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/cppmacro.c b/gcc/cppmacro.c index c7a08f2..797a304 100644 --- a/gcc/cppmacro.c +++ b/gcc/cppmacro.c @@ -174,14 +174,17 @@ builtin_macro (pfile, node) /* __STDC__ has the value 1 under normal circumstances. However, if (a) we are in a system header, (b) the option - stdc_0_in_system_headers is true, and (c) __STRICT_ANSI__ is - not defined, then it has the value 0. */ + stdc_0_in_system_headers is true (set by target config), and + (c) we are not in strictly conforming mode, then it has the + value 0. */ case BT_STDC: { int stdc; + enum c_lang lang = CPP_OPTION (pfile, lang); if (CPP_IN_SYSTEM_HEADER (pfile) && CPP_OPTION (pfile, stdc_0_in_system_headers) - && pfile->spec_nodes.n__STRICT_ANSI__->type == NT_VOID) + && !(lang == CLK_STDC89 || lang == CLK_STDC94 + || lang == CLK_STDC99)) /* || lang == CLK_CXX98 ? */ stdc = 0; else stdc = 1; |