[cmake] Make CLooG optional

CLooG is already optional in the autoconf build.

llvm-svn: 174872

diff --git a/polly/CMakeLists.txt b/polly/CMakeLists.txt
index 64adf52..a60c50e 100644 (file)
--- a/polly/CMakeLists.txt
+++ b/polly/CMakeLists.txt
@@ -79,9 +79,9 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti")
 # Add path for custom modules
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${POLLY_SOURCE_DIR}/cmake")
 
-FIND_PACKAGE(Cloog REQUIRED)
 FIND_PACKAGE(Isl REQUIRED)
 FIND_PACKAGE(Gmp REQUIRED)
+FIND_PACKAGE(Cloog)
 FIND_PACKAGE(Pluto)
 
 option(POLLY_ENABLE_GPGPU_CODEGEN "Enable GPGPU code generation feature" OFF)