[PATCH] Fix clang out-of-tree build with already installed llvm since r183989.

[Johannes Obermayr]

---
This is required to find "llvm/Option/OptParser.td" in e. g. /usr/include on my
system.
---
 cmake/modules/TableGen.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
index e3bdd9c..9490d7a 100644
--- a/cmake/modules/TableGen.cmake
+++ b/cmake/modules/TableGen.cmake
@@ -16,7 +16,7 @@ macro(tablegen project ofn)
     # Generate tablegen output in a temporary file.
     COMMAND ${${project}_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
     -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR}
-    ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} 
+    -I ${LLVM_INSTALL_PREFIX}/include ${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
     -o ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     # The file in LLVM_TARGET_DEFINITIONS may be not in the current
     # directory and local_tds may not contain it, so we must
-- 
1.8.1.4