* c-opts.c (set_std_cxx98, set_std_c89): New.

	(COMMAND_LINE_OPTIONS): Move more from cppinit.c.
	(c_common_decode_option): Handle new switches from cppinit.c.
	Add -std=gnu++98.
	* cppinit.c (set_lang): Rename cpp_set_lang.  Export.
	(no_arg, no_num): Remove.
	(COMMAND_LINE_OPTIONS): Move more to c-opts.c.  Drop all lang-
	switches apart from -lang-objc and lang-asm.
	(cpp_handle_option): Similarly.
	* cpplib.h (cpp_set_lang): New.
	* doc/cppopts.texi, doc/invoke.texi: Document -std=c++98,
	-std=gnu++98.
	* objc/lang-specs.h: Remove -ansi.
cp:
	* lang-specs.h: Remove -ansi.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56185 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 3 deletions

diff --git a/gcc/doc/cppopts.texi b/gcc/doc/cppopts.texi
index aacfb4b2631..b23c9fccdc7 100644
--- a/gcc/doc/cppopts.texi
+++ b/gcc/doc/cppopts.texi
@@ -326,9 +326,8 @@ option.
 @itemx -ansi
 @opindex ansi
 @opindex std=
-Specify the standard to which the code should conform.  Currently cpp
-only knows about the standards for C; other language standards will be
-added in the future.
+Specify the standard to which the code should conform.  Currently CPP
+knows about C and C++ standards; others may be added in the future.
 
 @var{standard}
 may be one of:
@@ -356,6 +355,13 @@ The 1990 C standard plus GNU extensions.  This is the default.
 @item gnu99
 @itemx gnu9x
 The 1999 C standard plus GNU extensions.
+
+@item c++98
+The 1998 ISO C++ standard plus amendments.
+
+@item gnu++98
+The same as @option{-std=c++98} plus GNU extensions.  This is the
+default for C++ code.
 @end table
 
 @item -I-