Make the compiler work-around more specific
diff --git a/library/bignum.c b/library/bignum.c
index d9a22c1..6d49caa 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1233,13 +1233,16 @@
else
{
/*
- * The version of Clang shipped by Apple with Mavericks can't
- * handle 128-bit division properly. Disable 128-bits division
- * for Clang on Apple for now, while waiting for more input on the
- * exact version(s) affected and their identification macros.
+ * The version of Clang shipped by Apple with Mavericks around
+ * 2014-03 can't handle 128-bit division properly. Disable
+ * 128-bits division for this version. Let's be optimistic and
+ * assume it'll be fixed in the next minor version (next
+ * patchlevel is probably a bit too optimistic).
*/
-#if defined(POLARSSL_HAVE_UDBL) && \
- ! ( defined(__x86_64__) && defined(__clang__) && defined(__APPLE__) )
+#if defined(POLARSSL_HAVE_UDBL) && \
+ ! ( defined(__x86_64__) && defined(__APPLE__) && \
+ defined(__clang_major__) && __clang_major__ == 5 && \
+ defined(__clang_minor__) && __clang_minor__ == 0 )
t_udbl r;
r = (t_udbl) X.p[i] << biL;