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(struct cpp_options): New member warn_undef.

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(CPP_WARN_UNDEF): New macro.

From-SVN: r13878
This commit is contained in:
Richard Kenner 1997-04-13 12:50:11 -04:00
parent 69375a37de
commit 6ac34fdc71
1 changed files with 4 additions and 0 deletions
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4
gcc/cpplib.h
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@ -431,6 +431,9 @@ struct cpp_options {
/* 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;
@ -495,6 +498,7 @@ struct cpp_options {
};
#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)