Fixes to build LLVM 3.3 on OS X 10.10

Make.inc

@@ -216,16 +216,17 @@ endif
 STDLIBCPP_FLAG = 
 
 ifeq ($(OS), Darwin)
-DARWINVER = $(shell uname -r | cut -b 1-2)
-OSXVER = $(shell sw_vers -productVersion | cut -b 1-4)
+DARWINVER := $(shell uname -r | cut -b 1-2)
+DARWINVER_GTE13 := $(shell expr `uname -r | cut -b 1-2` \>= 13)
+OSXVER := $(shell sw_vers -productVersion | cut -b 1-4)
 ifeq ($(DARWINVER), 10) # Snow Leopard specific configuration
 USEGCC = 1
 USECLANG = 0
 OPENBLAS_TARGET_ARCH=NEHALEM
 OPENBLAS_DYNAMIC_ARCH=0
 USE_SYSTEM_LIBUNWIND=1
 else
-ifeq ($(DARWINVER),13)
+ifeq ($(DARWINVER_GTE13),1)
 USE_LIBCPP = 1
 STDLIBCPP_FLAG = -stdlib=libstdc++
 else 

deps/Makefile

@@ -385,6 +385,7 @@ endif
 ifeq ($(LLVM_VER),3.3)
 	patch -p0 < llvm-3.3.patch
 	patch -p0 < instcombine-llvm-3.3.patch
+	(cd llvm-$(LLVM_VER) && patch < ../osx-10.10.llvm-3.3.patch)
 ifeq ($(OS),WINNT)
 ifeq ($(ARCH),x86_64)
 	patch -p0 < win64-int128.llvm-3.3.patch

deps/osx-10.10.llvm-3.3.patch

@@ -0,0 +1,14 @@
+--- Makefile.rules.old	2014-07-29 12:01:50.000000000 +0530
++++ Makefile.rules	2014-07-29 12:02:10.000000000 +0530
+@@ -571,9 +571,9 @@ ifeq ($(HOST_OS),Darwin)
+   DARWIN_VERSION := `sw_vers -productVersion`
+  endif
+   # Strip a number like 10.4.7 to 10.4
+-  DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]).*/\1/')
++  DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]+).*/\1/')
+   # Get "4" out of 10.4 for later pieces in the makefile.
+-  DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
++  DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]+).*/\1/')
+
+   LoadableModuleOptions := -Wl,-flat_namespace -Wl,-undefined,suppress
+   SharedLinkOptions := -dynamiclib