Changed match to be arbitrary width

(cant do exact match as we never know how much subversion's llvm does)

Makefile

@@ -22,7 +22,7 @@ ifeq ($(OS), Darwin)
 
     LLVM_VERSION_PATTERN_SEPERATOR = )|(
     LLVM_VERSION_PATTERNS_ESCAPED_DOT = $(subst .,\.,$(LLVM_VERSIONS))
-    LLVM_VERSION_PATTERNS_REPLACE_PERCENT = $(subst %,.,$(LLVM_VERSION_PATTERNS_ESCAPED_DOT))
+    LLVM_VERSION_PATTERNS_REPLACE_PERCENT = $(subst %,.*,$(LLVM_VERSION_PATTERNS_ESCAPED_DOT))
     LLVM_VERSION_PATTERN_REMOVE_ELEMENTS = $(subst " ",$(LLVM_VERSION_PATTERN_SEPERATOR),$(LLVM_VERSION_PATTERNS_REPLACE_PERCENT))
     LLMV_VERSION_PATTERN_REMOVE_SINGLE_STR = $(subst ",,$(LLVM_VERSION_PATTERN_REMOVE_ELEMENTS))
     LLVM_VERSION_PATTERN = "^(($(LLMV_VERSION_PATTERN_REMOVE_SINGLE_STR)))"