* common.opt (R, T, Tbss, Tdata, Ttext, h, z): New.

	* defaults.h (DEFAULT_SWITCH_TAKES_ARG, SWITCH_TAKES_ARG): Remove.
	(DEFAULT_WORD_SWITCH_TAKES_ARG): Define to 0.
	* doc/tm.texi.in (SWITCH_TAKES_ARG): Remove.
	(WORD_SWITCH_TAKES_ARG): Don't refer to SWITCH_TAKES_ARG.
	Document that options in .opt files do not need to be included.
	* doc/tm.texi: Regenerate.
	* gcc.c (LINK_COMMAND_SPEC): Don't include %{x}.
	* opts-common.c: Update comment on tm.h include.
	(decode_cmdline_option): Don't use SWITCH_TAKES_ARG.
	* system.h (SWITCH_TAKES_ARG): Poison.
	* config/alpha/alpha.h (SWITCH_TAKES_ARG): Remove.
	* config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove options included
	in darwin.opt.
	(LINK_COMMAND_SPEC_A): Don't include %{x}.
	* config/fr30/fr30.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.
	* config/freebsd-spec.h (FBSD_SWITCH_TAKES_ARG): Remove.
	* config/freebsd.h (SWITCH_TAKES_ARG): Remove.
	* config/frv/frv.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.
	* config/i386/djgpp.h (LINK_COMMAND_SPEC): Don't include %{x}.
	* config/ia64/ia64.h (SWITCH_TAKES_ARG): Remove.
	* config/interix.h (WORD_SWITCH_TAKES_ARG): Don't handle -T
	options.
	* config/lm32/lm32.h (SWITCH_TAKES_ARG): Remove.
	* config/m32r/m32r.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.
	* config/microblaze/microblaze.h (SWITCH_TAKES_ARG): Remove.
	* config/mips/mips.h (SWITCH_TAKES_ARG): Remove.
	* config/mips/netbsd.h (SWITCH_TAKES_ARG): Remove.
	* config/mips/vxworks.h (SWITCH_TAKES_ARG): Remove.
	* config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove.
	* config/netbsd-elf.h (SWITCH_TAKES_ARG): Remove.
	* config/openbsd.h (SWITCH_TAKES_ARG): Remove.
	* config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Remove.
	* config/score/score.h (SWITCH_TAKES_ARG): Remove.
	* config/sol2.h (SWITCH_TAKES_ARG): Remove.
	* config/sparc/sp-elf.h (SWITCH_TAKES_ARG): Remove.
	* config/sparc/sp64-elf.h (SWITCH_TAKES_ARG): Remove.
	* config/sparc/sparc.h (ASM_SPEC): Don't include %{R}.
	* config/svr4.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166155 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 3 insertions, 15 deletions

diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
index c4d5e8ab150..2c36a765906 100644
--- a/gcc/doc/tm.texi.in
+++ b/gcc/doc/tm.texi.in
@@ -99,24 +99,12 @@ from being defined in the @file{.h} file to being part of the
 @c prevent bad page break with this line
 You can control the compilation driver.
 
-@defmac SWITCH_TAKES_ARG (@var{char})
-A C expression which determines whether the option @option{-@var{char}}
-takes arguments.  The value should be the number of arguments that
-option takes--zero, for many options.
-
-By default, this macro is defined as
-@code{DEFAULT_SWITCH_TAKES_ARG}, which handles the standard options
-properly.  You need not define @code{SWITCH_TAKES_ARG} unless you
-wish to add additional options which take arguments.  Any redefinition
-should call @code{DEFAULT_SWITCH_TAKES_ARG} and then check for
-additional options.
-@end defmac
-
 @defmac WORD_SWITCH_TAKES_ARG (@var{name})
 A C expression which determines whether the option @option{-@var{name}}
 takes arguments.  The value should be the number of arguments that
-option takes--zero, for many options.  This macro rather than
-@code{SWITCH_TAKES_ARG} is used for multi-character option names.
+option takes--zero, for many options.
+This macro does not need to handle options defined in @file{.opt}
+files, only those that are handled purely through specs.
 
 By default, this macro is defined as
 @code{DEFAULT_WORD_SWITCH_TAKES_ARG}, which handles the standard options