51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
2004-10-19 Jakub Jelinek <jakub@redhat.com>
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* c-cppbuiltin.c (define__GNUC__): Also define __GNUC_RH_RELEASE__.
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--- gcc/c-cppbuiltin.c.jj 2004-10-07 21:27:38.000000000 +0200
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+++ gcc/c-cppbuiltin.c 2004-10-19 11:41:50.000000000 +0200
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@@ -257,13 +257,13 @@ define__GNUC__ (void)
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{
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/* The format of the version string, enforced below, is
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([^0-9]*-)?[0-9]+[.][0-9]+([.][0-9]+)?([- ].*)? */
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- const char *q, *v = version_string;
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+ const char *q, *v = version_string, *vstart, *vend;
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while (*v && !ISDIGIT (*v))
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v++;
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gcc_assert (*v && (v <= version_string || v[-1] == '-'));
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- q = v;
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+ vstart = q = v;
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while (ISDIGIT (*v))
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v++;
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builtin_define_with_value_n ("__GNUC__", q, v - q);
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@@ -289,6 +289,27 @@ define__GNUC__ (void)
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builtin_define_with_value_n ("__GNUC_PATCHLEVEL__", "0", 1);
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gcc_assert (!*v || *v == ' ' || *v == '-');
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+
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+ vend = v;
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+ v = strchr (v, '(');
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+ if (v != NULL && strncmp (v + 1, "Red Hat ", 8) == 0)
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+ {
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+ v += 9;
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+ if (strncmp (v, "Linux ", 6) == 0)
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+ v += 6;
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+
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+ gcc_assert (strncmp (v, vstart, vend - vstart) == 0);
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+ gcc_assert (v[vend - vstart] == '-');
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+
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+ v += vend - vstart + 1;
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+ q = v;
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+ gcc_assert (ISDIGIT (*v));
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+ while (ISDIGIT (*v))
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+ v++;
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+ builtin_define_with_value_n ("__GNUC_RH_RELEASE__", q, v - q);
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+
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+ gcc_assert (!*v || *v == ')' || *v == '.');
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+ }
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}
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/* Define macros used by <stdint.h>. Currently only defines limits
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