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| author | Joseph Myers <joseph@codesourcery.com> | 2010-04-25 22:54:22 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2010-04-25 22:54:22 +0100 |
| commit | 2778d7667c9ef15520b1679417467934e24ffa0f (patch) | |
| tree | feff2a16895d1da5319551fc1b48b05b2a464692 /gcc/c-opts.c | |
| parent | 045d4002b76c990d99a66dc6f6c1c014808a2e79 (diff) | |
| download | gcc-2778d7667c9ef15520b1679417467934e24ffa0f.zip gcc-2778d7667c9ef15520b1679417467934e24ffa0f.tar.gz gcc-2778d7667c9ef15520b1679417467934e24ffa0f.tar.bz2 | |
c-common.c (flag_isoc1x): New.
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
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index a680f2d..66101b7 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -112,6 +112,7 @@ static void set_std_cxx98 (int); static void set_std_cxx0x (int); static void set_std_c89 (int, int); static void set_std_c99 (int); +static void set_std_c1x (int); static void check_deps_environment_vars (void); static void handle_deferred_opts (void); static void sanitize_cpp_opts (void); @@ -1066,6 +1067,16 @@ c_common_handle_option (size_t scode, const char *arg, int value) set_std_c99 (false /* ISO */); break; + case OPT_std_c1x: + if (!preprocessing_asm_p) + set_std_c1x (true /* ISO */); + break; + + case OPT_std_gnu1x: + if (!preprocessing_asm_p) + set_std_c1x (false /* ISO */); + break; + case OPT_trigraphs: cpp_opts->trigraphs = 1; break; @@ -1704,6 +1715,7 @@ set_std_c89 (int c94, int iso) flag_no_nonansi_builtin = iso; flag_isoc94 = c94; flag_isoc99 = 0; + flag_isoc1x = 0; } /* Set the C 99 standard (without GNU extensions if ISO). */ @@ -1714,6 +1726,20 @@ set_std_c99 (int iso) flag_no_asm = iso; flag_no_nonansi_builtin = iso; flag_iso = iso; + flag_isoc1x = 0; + flag_isoc99 = 1; + flag_isoc94 = 1; +} + +/* Set the C 1X standard draft (without GNU extensions if ISO). */ +static void +set_std_c1x (int iso) +{ + cpp_set_lang (parse_in, iso ? CLK_STDC1X: CLK_GNUC1X); + flag_no_asm = iso; + flag_no_nonansi_builtin = iso; + flag_iso = iso; + flag_isoc1x = 1; flag_isoc99 = 1; flag_isoc94 = 1; } |