fix for LLVM8

Change-Id: I1e9676e7bd4b3abb03082c2f64a9673e7ae83ab5

Author: lwesiers

releases/8.0.0/patches_external/fix_for_typo_regex.patch

@@ -0,0 +1,13 @@
+--- a/tools/llvm-config/CMakeLists.txt
++++ b/tools/llvm-config/CMakeLists.txt
+@@ -34,8 +34,8 @@ get_property(COMPILE_FLAGS TARGET llvm-config PROPERTY COMPILE_FLAGS)
+ # NOTE: We don't want to start extracting any random C/CXX flags that the
+ # user may add that could affect the ABI.  We only want to extract flags
+ # that have been added by the LLVM build system.
+-string(REGEX MATCH "-std=[^ ]\+" LLVM_CXX_STD_FLAG ${CMAKE_CXX_FLAGS})
+-string(REGEX MATCH "-std=[^ ]\+" LLVM_C_STD_FLAG ${CMAKE_C_FLAGS})
++string(REGEX MATCH "-std=[^ ]\\+" LLVM_CXX_STD_FLAG ${CMAKE_CXX_FLAGS})
++string(REGEX MATCH "-std=[^ ]\\+" LLVM_C_STD_FLAG ${CMAKE_C_FLAGS})
+
+ # Use configure_file to create BuildVariables.inc.
+ set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})