Commit 6ac34fdc by Richard Kenner

(struct cpp_options): New member warn_undef.

(CPP_WARN_UNDEF): New macro.

From-SVN: r13878
parent 69375a37
...@@ -431,6 +431,9 @@ struct cpp_options { ...@@ -431,6 +431,9 @@ struct cpp_options {
/* Nonzero means try to imitate old fashioned non-ANSI preprocessor. */ /* Nonzero means try to imitate old fashioned non-ANSI preprocessor. */
char traditional; 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. */ /* Nonzero for the 1989 C Standard, including corrigenda and amendments. */
char c89; char c89;
...@@ -495,6 +498,7 @@ struct cpp_options { ...@@ -495,6 +498,7 @@ struct cpp_options {
}; };
#define CPP_TRADITIONAL(PFILE) (CPP_OPTIONS(PFILE)-> traditional) #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_C89(PFILE) (CPP_OPTIONS(PFILE)->c89)
#define CPP_PEDANTIC(PFILE) (CPP_OPTIONS (PFILE)->pedantic) #define CPP_PEDANTIC(PFILE) (CPP_OPTIONS (PFILE)->pedantic)
#define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps) #define CPP_PRINT_DEPS(PFILE) (CPP_OPTIONS (PFILE)->print_deps)
......
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