diff options
Diffstat (limited to 'gcc/c-cppbuiltin.c')
-rw-r--r-- | gcc/c-cppbuiltin.c | 59 |
1 files changed, 7 insertions, 52 deletions
diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c index 86c3f9c..2f2033d 100644 --- a/gcc/c-cppbuiltin.c +++ b/gcc/c-cppbuiltin.c @@ -48,8 +48,6 @@ along with GCC; see the file COPYING3. If not see /* Non-static as some targets don't use it. */ void builtin_define_std (const char *) ATTRIBUTE_UNUSED; -static void builtin_define_with_value_n (const char *, const char *, - size_t); static void builtin_define_with_int_value (const char *, HOST_WIDE_INT); static void builtin_define_with_hex_fp_value (const char *, tree, int, const char *, @@ -375,40 +373,17 @@ builtin_define_fixed_point_constants (const char *name_prefix, static void define__GNUC__ (void) { - /* The format of the version string, enforced below, is - ([^0-9]*-)?[0-9]+[.][0-9]+([.][0-9]+)?([- ].*)? */ - const char *q, *v = version_string; - - while (*v && !ISDIGIT (*v)) - v++; - gcc_assert (*v && (v <= version_string || v[-1] == '-')); - - q = v; - while (ISDIGIT (*v)) - v++; - builtin_define_with_value_n ("__GNUC__", q, v - q); - if (c_dialect_cxx ()) - builtin_define_with_value_n ("__GNUG__", q, v - q); - - gcc_assert (*v == '.' && ISDIGIT (v[1])); + int major, minor, patchlevel; - q = ++v; - while (ISDIGIT (*v)) - v++; - builtin_define_with_value_n ("__GNUC_MINOR__", q, v - q); - - if (*v == '.') + if (sscanf (BASEVER, "%d.%d.%d", &major, &minor, &patchlevel) != 3) { - gcc_assert (ISDIGIT (v[1])); - q = ++v; - while (ISDIGIT (*v)) - v++; - builtin_define_with_value_n ("__GNUC_PATCHLEVEL__", q, v - q); + sscanf (BASEVER, "%d.%d", &major, &minor); + patchlevel = 0; } - else - builtin_define_with_value_n ("__GNUC_PATCHLEVEL__", "0", 1); + cpp_define_formatted (parse_in, "__GNUC__=%d", major); + cpp_define_formatted (parse_in, "__GNUC_MINOR__=%d", minor); + cpp_define_formatted (parse_in, "__GNUC_PATCHLEVEL__=%d", patchlevel); - gcc_assert (!*v || *v == ' ' || *v == '-'); } /* Define macros used by <stdint.h>. Currently only defines limits @@ -684,9 +659,6 @@ c_cpp_builtins (cpp_reader *pfile) if (flag_openmp) cpp_define (pfile, "_OPENMP=200505"); - if (lang_fortran) - cpp_define (pfile, "__GFORTRAN__=1"); - builtin_define_type_sizeof ("__SIZEOF_INT__", integer_type_node); builtin_define_type_sizeof ("__SIZEOF_LONG__", long_integer_type_node); builtin_define_type_sizeof ("__SIZEOF_LONG_LONG__", @@ -799,23 +771,6 @@ builtin_define_with_value (const char *macro, const char *expansion, int is_str) cpp_define (parse_in, buf); } -/* Pass an object-like macro and a value to define it to. The third - parameter is the length of the expansion. */ -static void -builtin_define_with_value_n (const char *macro, const char *expansion, size_t elen) -{ - char *buf; - size_t mlen = strlen (macro); - - /* Space for an = and a NUL. */ - buf = (char *) alloca (mlen + elen + 2); - memcpy (buf, macro, mlen); - buf[mlen] = '='; - memcpy (buf + mlen + 1, expansion, elen); - buf[mlen + elen + 1] = '\0'; - - cpp_define (parse_in, buf); -} /* Pass an object-like macro and an integer value to define it to. */ static void |