diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index e1f06a7ab9c..2c216f3eafd 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -84,7 +84,7 @@ if( LLVM_ENABLE_PIC )
     if( SUPPORTS_FPIC_FLAG )
       message(STATUS "Building with -fPIC")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
-      set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
     else( SUPPORTS_FPIC_FLAG )
       message(WARNING "-fPIC not supported.")
     endif()
diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt
index dfbd986aafa..dbaf773a174 100644
--- a/tools/llvm-config/CMakeLists.txt
+++ b/tools/llvm-config/CMakeLists.txt
@@ -7,7 +7,7 @@ endif( NOT PERL_FOUND )
 
 set(PERL ${PERL_EXECUTABLE})
 set(VERSION PACKAGE_VERSION)
-set(PREFIX ${LLVM_BINARY_DIR}) # TODO: Root for `make install'.
+set(PREFIX ${CMAKE_INSTALL_PREFIX})
 set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR})
 set(abs_top_builddir ${LLVM_BINARY_DIR})
 execute_process(COMMAND date
@@ -91,9 +91,13 @@ add_custom_command(OUTPUT ${FINAL_LIBDEPS}
   DEPENDS ${LIBDEPS}
   COMMENT "Checking for cyclic dependencies between LLVM libraries.")
 
-set(C_FLGS "${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
-set(CXX_FLGS "${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
-set(CPP_FLGS "${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+message(STATUS "C_FLGS: ${C_FLGS}")
+message(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
+message(STATUS "LLVM_DEFINITIONS: ${LLVM_DEFINITIONS}")
+message(STATUS "other: ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}}")
+set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
 
 # We don't want certain flags on the output of
 # llvm-config --cflags --cxxflags