(CPP_WARN_UNDEF): New macro.
From-SVN: r13878
/* Nonzero means try to imitate old fashioned non-ANSI preprocessor. */
char traditional;
+ /* Nonzero means warn if undefined identifiers are evaluated in an #if. */
+ char warn_undef;
+
/* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
char c89;
};
#define CPP_TRADITIONAL(PFILE) (CPP_OPTIONS(PFILE)-> traditional)
+#define CPP_WARN_UNDEF(PFILE) (CPP_OPTIONS(PFILE)->warn_undef)
#define CPP_C89(PFILE) (CPP_OPTIONS(PFILE)->c89)
#define CPP_PEDANTIC(PFILE) (CPP_OPTIONS (PFILE)->pedantic)
#define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps)