Commit Graph

2 Commits

Author SHA1 Message Date
Ralf Wildenhues 369239efc9 re PR c/28800 (warning "ISO C forbids an empty source file" could be improved)
gcc/:
PR c/28800
* c-parser.c (c_parser_translation_unit): Warn for empty
translation unit, not empty source file.

gcc/testsuite/:
PR c/28800
* gcc.dg/empty-source-2.c: Adjust for warning message.
* gcc.dg/empty-source-3.c: Likewise.
* gcc.dg/pack-test-2.c: Adjust comment.
* gcc.dg/pragma-ep-2.c: Likewise.
* gcc.dg/pragma-re-2.c: Likewise.
* gcc.dg/va-arg-2.c: Likewise.

From-SVN: r132690
2008-02-26 22:41:16 +00:00
Richard Henderson 41c643948c c-pragma.c (maybe_apply_renaming_pragma): New.
* c-pragma.c (maybe_apply_renaming_pragma): New.
        (handle_pragma_redefine_extname, pending_redefine_extname): New.
        (handle_pragma_extern_prefix, pragma_extern_prefix): New.
        (init_pragma): Register them.
        * c-pragma.h (maybe_apply_renaming_pragma): Declare.
        * c-decl.c (finish_decl): Call it.
        * cp/decl.c (cp_finish_decl): Likewise.
        * doc/extend.texi: Document the new pragmas.

        * config/alpha/osf.h (CPP_SUBTARGET_SPEC): Add __EXTERN_PREFIX.
        (HANDLE_PRAGMA_EXTERN_PREFIX): New.

        * config/i386/sol2.h (CPP_PREDEFINES): Add __PRAGMA_REDEFINE_EXTNAME.
        (HANDLE_PRAGMA_REDEFINE_EXTNAME): New.
        * config/sparc/sol2.h: Likewise.

        * g++.dg/other/pragma-re-1.C: New.
        * g++.dg/other/pragma-ep-1.C: New.
        * gcc.dg/pragma-re-1.c, gcc.dg/pragma-re-2.c: New.
        * gcc.dg/pragma-ep-1.c, gcc.dg/pragma-ep-2.c: New.
        * gcc.dg/pragma-ep-3.c: New.

From-SVN: r51200
2002-03-22 14:51:48 -08:00