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2004-10-18 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 2004-03-08 18:48:58.000000000 +0100
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+++ gcc/c-cppbuiltin.c 2004-10-18 16:40:14.450009521 +0200
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@@ -254,14 +254,14 @@ 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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if (!*v || (v > version_string && v[-1] != '-'))
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abort ();
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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 +289,30 @@ define__GNUC__ (void)
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if (*v && *v != ' ' && *v != '-')
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abort ();
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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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+ if (strncmp (v, vstart, vend - vstart) != 0
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+ || v[vend - vstart] != '-')
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+ abort ();
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+
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+ v += vend - vstart + 1;
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+ q = v;
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+ if (!ISDIGIT (*v))
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+ abort ();
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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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+ if (*v && *v != ')' && *v != '.')
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+ abort ();
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+ }
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}
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/* Hook that registers front end and target-specific built-ins. */
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