build gtest only when BUILD_TEST is on

Author: glehmann

src/CMakeLists.txt

@@ -197,9 +197,6 @@ endif( )
 # This will define OPENCL_FOUND
 find_package( OpenCL )
 
-# Find Google Test package
-include(gtest.cmake)
-
 # Find Boost on the system, and configure the type of boost build we want
 set( Boost_USE_MULTITHREADED ON )
 set( Boost_USE_STATIC_LIBS   ON )

src/tests/CMakeLists.txt

@@ -286,6 +286,9 @@ else( )
 	set( runtime.library "${runtime.library}/${CMAKE_SHARED_LIBRARY_PREFIX}clBLAS${CMAKE_SHARED_LIBRARY_SUFFIX}" )
 endif( )
 
+# Find Google Test package
+include(gtest.cmake)
+
 if( GTEST_FOUND )
     if( CORR_TEST_WITH_ACML AND ACML_FOUND )
 		include_directories(${OPENCL_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}