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Re: Defining C99 predefined macros for whole translation unit


"Joseph S. Myers" <joseph@codesourcery.com> writes:

> gcc:
> 2009-04-18  Joseph Myers  <joseph@codesourcery.com>

> 	* target.h (struct gcc_target): Add c.preinclude.
> 	* target-def.h (TARGET_C_PREINCLUDE): Define.
> 	(TARGET_C): Update.
> 	* doc/tm.texi (TARGET_C_PREINCLUDE): Document.
> 	* hooks.c (hook_constcharptr_void_null): New.
> 	* hooks.h (hook_constcharptr_void_null): Declare.
> 	* targhooks.c (glibc_c_preinclude): New.
> 	* targhooks.h (glibc_c_preinclude): Declare.
> 	* c-opts.c (done_preinclude): New.
> 	(push_command_line_include): Handle default preincluded header.
> 	* config/linux.h (TARGET_C_PREINCLUDE): Define.
> 	* config/alpha/linux.h (TARGET_C_PREINCLUDE): Define.
> 	* config/rs6000/linux.h (TARGET_C_PREINCLUDE): Define.
> 	* config/rs6000/linux64.h (TARGET_C_PREINCLUDE): Define.

> gcc/testsuite:
> 2009-04-18  Joseph Myers  <joseph@codesourcery.com>

> 	* gcc.dg/c99-predef-1.c: New test.

> libcpp:
> 2009-04-18  Joseph Myers  <joseph@codesourcery.com>

> 	* files.c (_cpp_find_file): Add missing_ok argument.  Do not call
> 	open_file_failed if missing_ok.
> 	(_cpp_stack_include, _cpp_fake_include, _cpp_compare_file_date):
> 	Update calls to _cpp_find_file.
> 	(_cpp_stack_include): Handle IT_DEFAULT.
> 	(cpp_push_default_include): New.
> 	* include/cpplib.h (cpp_push_default_include): Declare.
> 	* init.c (cpp_read_main_file): Update call to _cpp_find_file.
> 	* internal.h (enum include_type): Add IT_DEFAULT.
> 	(_cpp_find_file): Update prototype.

This patch to gcc is OK if the patch to glibc is OK.

> -enum include_type {IT_INCLUDE, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE};
> +enum include_type {IT_INCLUDE, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE, IT_DEFAULT};

Line looks too long--maybe break it?

Thanks.

Ian


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