Fix the bug of LLVM_LFLAGS fail to set

The LLVM_LFLAGS is used before finding the LLVM package,
which causes the CMake fails to set correct -L flags and
cause linkage error.

Signed-off-by: Junyan He <junyan.he@linux.intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>

diff --git a/CMake/FindLLVM.cmake b/CMake/FindLLVM.cmake
index 556b3a9..5fb996d 100644 (file)
--- a/CMake/FindLLVM.cmake
+++ b/CMake/FindLLVM.cmake
@@ -3,7 +3,7 @@
 # LLVM_INCLUDE_DIR - where to find llvm include files
 # LLVM_LIBRARY_DIR - where to find llvm libs
 # LLVM_CFLAGS      - llvm compiler flags
-# LLVM_LFLAGS      - llvm linker flags
+# LLVM_LDFLAGS      - llvm linker flags
 # LLVM_MODULE_LIBS - list of llvm libs for working with modules.
 # LLVM_FOUND       - True if llvm found.
 if (LLVM_INSTALL_DIR)
@@ -62,7 +62,7 @@ execute_process(
 
 execute_process(
   COMMAND ${LLVM_CONFIG_EXECUTABLE} --ldflags
-  OUTPUT_VARIABLE LLVM_LFLAGS
+  OUTPUT_VARIABLE LLVM_LDFLAGS
   OUTPUT_STRIP_TRAILING_WHITESPACE
 )
 

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5decd6..4046f29 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,7 +82,6 @@ elseif (COMPILER STREQUAL "ICC")
 endif ()
 set (CMAKE_CXX_FLAGS "${CMAKE_C_CXX_FLAGS} -std=c++0x -Wno-invalid-offsetof -fno-rtti")
 set (CMAKE_C_FLAGS "${CMAKE_C_CXX_FLAGS}")
-set (CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined ${LLVM_LFLAGS}")
 set (CMAKE_CXX_FLAGS_DEBUG          "-O0 -g -DGBE_DEBUG=1")
 set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DGBE_DEBUG=1")
 set (CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG -DGBE_DEBUG=0")
@@ -96,6 +95,8 @@ set (CMAKE_C_FLAGS_RELEASE        "-O2 -DNDEBUG -DGBE_DEBUG=0")
 #INCLUDE(CMake/FindLLVM.cmake)
 Find_Package(LLVM 3.3)
 
+set (CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined ${LLVM_LDFLAGS}")
+
 # XLib
 Find_Package(X11)
 IF(X11_FOUND)