Factor the logic for setting up a GoogleTest unit test executable into
a helper function in CMake. This will allow us to share all of this
logic with Clang, and eventually CompilerRT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158896 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index ea0cc6a..f32a6d3 100755
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -147,3 +147,53 @@
endif()
endif()
endmacro(add_llvm_external_project)
+
+# Generic support for adding a unittest.
+function(add_unittest test_suite test_dirname)
+ string(REGEX MATCH "([^/]+)$" test_name ${test_dirname})
+ if (CMAKE_BUILD_TYPE)
+ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY
+ ${CMAKE_CURRENT_BINARY_DIR}/${test_dirname}/${CMAKE_BUILD_TYPE})
+ else()
+ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY
+ ${CMAKE_CURRENT_BINARY_DIR}/${test_dirname})
+ endif()
+ if( NOT LLVM_BUILD_TESTS )
+ set(EXCLUDE_FROM_ALL ON)
+ endif()
+
+ add_llvm_executable(${test_name} ${ARGN})
+ target_link_libraries(${test_name}
+ gtest
+ gtest_main
+ LLVMSupport # gtest needs it for raw_ostream.
+ )
+
+ add_dependencies(${test_suite} ${test_name})
+ get_target_property(test_suite_folder ${test_suite} FOLDER)
+ if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
+ set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
+ endif ()
+
+ # Visual Studio 2012 only supports up to 8 template parameters in
+ # std::tr1::tuple by default, but gtest requires 10
+ if (MSVC AND MSVC_VERSION EQUAL 1700)
+ set_property(TARGET ${test_name} APPEND PROPERTY COMPILE_DEFINITIONS _VARIADIC_MAX=10)
+ endif ()
+
+ include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
+ set_property(TARGET ${test_name} APPEND PROPERTY COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
+ if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
+ set_property(TARGET ${test_name} APPEND_STRING PROPERTY COMPILE_FLAGS " -fno-rtti")
+ elseif (MSVC)
+ set_property(TARGET ${test_name} APPEND_STRING PROPERTY COMPILE_FLAGS " /GR-")
+ endif ()
+
+ if (NOT LLVM_ENABLE_THREADS)
+ set_property(TARGET ${test_name} APPEND PROPERTY COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
+ endif ()
+
+ if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
+ set_property(TARGET ${test_name} APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-variadic-macros")
+ endif ()
+endfunction()