Merge pull request #11841 from daschuer/gtest

de-vendor GTest

CMakeLists.txt

@@ -1809,23 +1809,6 @@ endif()
 # Tests
 #
 
-# CMake + googletest: https://crascit.com/2015/07/25/cmake-gtest/
-
-# Prevent GoogleTest from overriding our compiler/linker options
-# when building with Visual Studio
-set(gtest_force_shared_crt ON CACHE BOOL "Pass Mixxx compiler/linker options to GoogleTest" FORCE)
-
-# Prevent installation of GoogleTest libraries
-set(INSTALL_GTEST OFF CACHE BOOL "Disable installation of GoogleTest" FORCE)
-
-# Add googletest directly to our build. This adds the following targets:
-# gtest, gtest_main, gmock and gmock_main
-message(STATUS "Adding goolgletest targets gtest, gtest_main, gmock and gmock_main")
-add_subdirectory(
-  "${CMAKE_CURRENT_SOURCE_DIR}/lib/googletest"
-  "${CMAKE_CURRENT_BINARY_DIR}/lib/googletest"
-)
-
 add_executable(mixxx-test
   src/test/analyserwaveformtest.cpp
   src/test/analyzersilence_test.cpp
@@ -1937,8 +1920,9 @@ add_executable(mixxx-test
   src/test/wwidgetstack_test.cpp
   src/util/moc_included_test.cpp
 )
+find_package(GTest CONFIG REQUIRED)
 set_target_properties(mixxx-test PROPERTIES AUTOMOC ON)
-target_link_libraries(mixxx-test PRIVATE mixxx-lib mixxx-gitinfostore gtest gmock)
+target_link_libraries(mixxx-test PRIVATE mixxx-lib mixxx-gitinfostore GTest::gtest GTest::gmock)
 
 #
 # Benchmark tests
@@ -2324,11 +2308,6 @@ elseif(GNU_GCC OR LLVM_CLANG)
 endif()
 target_link_libraries(mixxx-lib PRIVATE FpClassify)
 
-# googletest
-# Required to use the macro FRIEND_TEST from <gtest/gtest_prod.h>
-# in production code
-target_include_directories(mixxx-lib SYSTEM PUBLIC "${gtest_SOURCE_DIR}/include")
-
 # LAME
 find_package(mp3lame REQUIRED)
 target_link_libraries(mixxx-lib PRIVATE mp3lame::mp3lame)