diff options
Diffstat (limited to 'gcc/c-family/c-opts.c')
-rw-r--r-- | gcc/c-family/c-opts.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/gcc/c-family/c-opts.c b/gcc/c-family/c-opts.c index cdbcd6c..3662aa3 100644 --- a/gcc/c-family/c-opts.c +++ b/gcc/c-family/c-opts.c @@ -111,6 +111,7 @@ static void set_std_cxx98 (int); static void set_std_cxx11 (int); static void set_std_cxx14 (int); static void set_std_cxx17 (int); +static void set_std_cxx2a (int); static void set_std_c89 (int, int); static void set_std_c99 (int); static void set_std_c11 (int); @@ -637,6 +638,12 @@ c_common_handle_option (size_t scode, const char *arg, int value, set_std_cxx17 (code == OPT_std_c__17 /* ISO */); break; + case OPT_std_c__2a: + case OPT_std_gnu__2a: + if (!preprocessing_asm_p) + set_std_cxx2a (code == OPT_std_c__2a /* ISO */); + break; + case OPT_std_c90: case OPT_std_iso9899_199409: if (!preprocessing_asm_p) @@ -938,7 +945,7 @@ c_common_post_options (const char **pfilename) warn_narrowing = 1; /* Unless -f{,no-}ext-numeric-literals has been used explicitly, - for -std=c++{11,14,17} default to -fno-ext-numeric-literals. */ + for -std=c++{11,14,17,2a} default to -fno-ext-numeric-literals. */ if (flag_iso && !global_options_set.x_flag_ext_numeric_literals) cpp_opts->ext_numeric_literals = 0; } @@ -1589,7 +1596,7 @@ set_std_cxx14 (int iso) flag_no_gnu_keywords = iso; flag_no_nonansi_builtin = iso; flag_iso = iso; - /* C++11 includes the C99 standard library. */ + /* C++14 includes the C99 standard library. */ flag_isoc94 = 1; flag_isoc99 = 1; cxx_dialect = cxx14; @@ -1604,7 +1611,7 @@ set_std_cxx17 (int iso) flag_no_gnu_keywords = iso; flag_no_nonansi_builtin = iso; flag_iso = iso; - /* C++11 includes the C99 standard library. */ + /* C++17 includes the C11 standard library. */ flag_isoc94 = 1; flag_isoc99 = 1; flag_isoc11 = 1; @@ -1612,6 +1619,22 @@ set_std_cxx17 (int iso) lang_hooks.name = "GNU C++17"; } +/* Set the C++ 202a draft standard (without GNU extensions if ISO). */ +static void +set_std_cxx2a (int iso) +{ + cpp_set_lang (parse_in, iso ? CLK_CXX2A: CLK_GNUCXX2A); + flag_no_gnu_keywords = iso; + flag_no_nonansi_builtin = iso; + flag_iso = iso; + /* C++17 includes the C11 standard library. */ + flag_isoc94 = 1; + flag_isoc99 = 1; + flag_isoc11 = 1; + cxx_dialect = cxx2a; + lang_hooks.name = "GNU C++17"; /* Pretend C++17 until standardization. */ +} + /* Args to -d specify what to dump. Silently ignore unrecognized options; they may be aimed at toplev.c. */ static void |