extend workaround for gcc bug 14608 to work on gcc<4.3

1 files changed, 7 insertions, 7 deletions

diff --git a/sal/inc/sal/mathconf.h b/sal/inc/sal/mathconf.h
index ae1ecb9fb0fd..e7fd4fd8264a 100644
--- a/sal/inc/sal/mathconf.h
+++ b/sal/inc/sal/mathconf.h
@@ -55,15 +55,15 @@ extern "C" {
 
 
 /* SAL_MATH_FINITE(d): test double d on INFINITY, NaN et al. */
-#if defined(__GNUC__)
-#if defined(MACOSX)
-    #define SAL_MATH_FINITE(d) finite(d)
-#else
-    #define SAL_MATH_FINITE(d) __builtin_isfinite(d) // gcc bug 14608
-#endif
+#if defined(__GNUC__) // workaround gcc bug 14608
+    #if (__GNUC_MINOR >= 3) // gcc>=4.3 has a builtin
+        #define SAL_MATH_FINITE(d) __builtin_isfinite(d)
+    #else
+        #define SAL_MATH_FINITE(d) finite(d) // fall back to pre-C99 name
+    #endif
 #elif defined(__STDC__)
     // isfinite() should be available in math.h according to C99,C++99,SUSv3,etc.
-    // unless GCC bug 14608 hits us where cmath undefines isfinite as macro
+    // unless GCC bug 14608 hits us where cmath undefines isfinite() as macro
     #define SAL_MATH_FINITE(d) isfinite(d)
 #elif defined( WNT)
 #define SAL_MATH_FINITE(d) _finite(d)