E.g. CentOS 5 doesn't define several macros in limits.h, so define
them conditionally to make the test pass.
Ok for trunk?
2014-05-27 Marek Polacek <pola...@redhat.com>
PR testsuite/61319
* c-c++-common/ubsan/float-cast.h: Conditionally define LLONG_MAX,
LLONG_MIN, and ULLONG_MAX.
diff --git gcc/testsuite/c-c++-common/ubsan/float-cast.h
gcc/testsuite/c-c++-common/ubsan/float-cast.h
index 166da8f..e76171a 100644
--- gcc/testsuite/c-c++-common/ubsan/float-cast.h
+++ gcc/testsuite/c-c++-common/ubsan/float-cast.h
@@ -1,5 +1,16 @@
/* Various macros for -fsanitize=float-cast-overflow testing. */
+/* E.g. on CentOS 5 these aren't defined in limits.h. */
+#ifndef LLONG_MAX
+# define LLONG_MAX __LONG_LONG_MAX__
+#endif
+#ifndef LLONG_MIN
+# define LLONG_MIN (-__LONG_LONG_MAX__ - 1LL)
+#endif
+#ifndef ULLONG_MAX
+# define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL)
+#endif
+
#define INT128_MAX (__int128) (((unsigned __int128) 1 << ((__SIZEOF_INT128__ *
__CHAR_BIT__) - 1)) - 1)
#define INT128_MIN (-INT128_MAX - 1)
#define UINT128_MAX ((2 * (unsigned __int128) INT128_MAX) + 1)
Marek
