Modified: trunk/dports/devel/mpfr/Portfile (90219 => 90220)

--- trunk/dports/devel/mpfr/Portfile	2012-02-26 22:56:47 UTC (rev 90219)
+++ trunk/dports/devel/mpfr/Portfile	2012-02-27 00:55:20 UTC (rev 90220)
@@ -12,6 +12,7 @@
 set patch_level     3
 version             ${base_version}-p${patch_level}
 #version             ${base_version}
+revision            1
 categories          devel math
 platforms           darwin
 license             LGPL-3+
@@ -62,10 +63,10 @@
     patchfiles-append patch[format %02d ${i}]
 }
 
-# When mpfr is built with clang, trying to build gcc44/gcc45 eats up all system memory and crashes.
-if {${configure.compiler} == "clang"} {
-    configure.compiler llvm-gcc-4.2
-}
+# Due to radr://10291355 (llvm.org PR11111), the new tls support enabled in clang with Xcode 4.2
+# miscompiles mpfr. While this was fixed in Xcode 4.2.1, as the ttls support was never used prior to
+# Xcode 4.2, the generic fix is to pass --disable-thread-safe to configure.
+configure.args  --disable-thread-safe
 
 test.run        yes
 test.target     check