Removal of separate preprocessor cpp0.

	* Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
	cpp0, install-common): Update.
	* c-common.c (flag_preprocess_only): New.
	(c_common_init): Preprocess for -E.
	* c-common.h (flag_preprocess_only): New.
	* c-decl.c (c_decode_option): Handle -E, and -std=c++98.
	* c-objc-common.c (c_init_decl_processing): Exit quickly
	for NULL return from c_common_init.
	* cpplib.h (cpp_preprocess_file): New.
	* cppmain.c (main, general_init, pfile, progname): Remove.
	(do_preprocessing): Rename cpp_preprocess_file, don't call
	cpp_finish.  Don't close stdout here.
	(setup_callbacks): Update prototype.
	* gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
	Update.
	* tradcpp.c (main): Ignore -quiet.
cp:
	* decl2.c (cxx_decode_option): Handle -E.
	* lang-specs.h (default_compilers): Preprocess with cc1plus.
	* lex.c (cxx_init): Exit quickly if c_common_init returns NULL.
objc:
	* lang-specs.h (default_compilers): Preprocess with cc1obj.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51256 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 4e0dccd4b0a..a727b2707dd 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -581,6 +581,8 @@ c_decode_option (argc, argv)
 	  flag_isoc99 = 1;
 	  flag_isoc94 = 1;
 	}
+      else if (!strcmp (argstart, "c++98"))
+	; /* Handled by cpplib.  */
       else
 	error ("unknown C standard `%s'", argstart);
     }
@@ -685,6 +687,8 @@ c_decode_option (argc, argv)
       /* Only warn about unknown pragmas that are not in system headers.  */
       warn_unknown_pragmas = 1;
     }
+  else if (!strcmp (p, "-E"))
+    flag_preprocess_only = 1;
   else
     {
       size_t i;