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c-common.c (flag_isoc1x): New.

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gcc:
	* c-common.c (flag_isoc1x): New.
	(flag_isoc99): Update comment.
	* c-common.h (flag_isoc1x): New.
	(flag_isoc99): Update comment.
	* c-cppbuiltin.c (builtin_define_float_constants): Also define
	__<type>_DECIMAL_DIG__.
	* c-opts.c (set_std_c1x): New.
	(c_common_handle_option): Handle -std=c1x and -std=gnu1x.
	(set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
	* c.opt (-std=c1x, -std=gnu1x): New options.
	* doc/cpp.texi: Mention -std=c1x.
	* doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
	* doc/extend.texi: Mention -std=c1x and -std=gnu1x.
	* doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
	* doc/standards.texi: Mention C1X.
	* ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
	LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
	LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
	Define for C1X.

gcc/testsuite:
	* gcc.dg/c90-float-1.c: Also test that C1X macros are not defined.
	* gcc.dg/c99-float-1.c: Also test that C1X macros are not defined.
	* gcc.dg/c1x-float-1.c: New test.

libcpp:
	* include/cpplib.h (enum c_lang): Add CLK_GNUC1X and CLK_STDC1X.
	* init.c (lang_defaults): Add entries for new language variants.
	(cpp_init_builtins): Define __STDC_VERSION__ to 201000L for C1X
	variants.

From-SVN: r158711
This commit is contained in:
Joseph Myers 2010-04-25 22:54:22 +01:00 • committed by Joseph Myers
parent 045d4002b7
commit 2778d7667c
19 changed files with 421 additions and 15 deletions
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3
libcpp/include/cpplib.h
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@ -155,7 +155,8 @@ enum cpp_ttype
#undef TK
/* C language kind, used when calling cpp_create_reader. */
enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_STDC89, CLK_STDC94, CLK_STDC99,
enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC1X,
CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC1X,
CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX0X, CLK_CXX0X, CLK_ASM};
/* Payload of a NUMBER, STRING, CHAR or COMMENT token. */