1*b7893ccfSSadaf Ebrahimi# ~~~ 2*b7893ccfSSadaf Ebrahimi# Copyright (c) 2018 Valve Corporation 3*b7893ccfSSadaf Ebrahimi# Copyright (c) 2018 LunarG, Inc. 4*b7893ccfSSadaf Ebrahimi# 5*b7893ccfSSadaf Ebrahimi# Licensed under the Apache License, Version 2.0 (the "License"); 6*b7893ccfSSadaf Ebrahimi# you may not use this file except in compliance with the License. 7*b7893ccfSSadaf Ebrahimi# You may obtain a copy of the License at 8*b7893ccfSSadaf Ebrahimi# 9*b7893ccfSSadaf Ebrahimi# http://www.apache.org/licenses/LICENSE-2.0 10*b7893ccfSSadaf Ebrahimi# 11*b7893ccfSSadaf Ebrahimi# Unless required by applicable law or agreed to in writing, software 12*b7893ccfSSadaf Ebrahimi# distributed under the License is distributed on an "AS IS" BASIS, 13*b7893ccfSSadaf Ebrahimi# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14*b7893ccfSSadaf Ebrahimi# See the License for the specific language governing permissions and 15*b7893ccfSSadaf Ebrahimi# limitations under the License. 16*b7893ccfSSadaf Ebrahimi# ~~~ 17*b7893ccfSSadaf Ebrahimi 18*b7893ccfSSadaf Ebrahimi# Add your optional dependencies in this "external" directory. 19*b7893ccfSSadaf Ebrahimi 20*b7893ccfSSadaf Ebrahimi# googletest is an optional external dependency for this repo. 21*b7893ccfSSadaf Ebrahimiif(BUILD_TESTS) 22*b7893ccfSSadaf Ebrahimi # Attempt to enable googletest if available. 23*b7893ccfSSadaf Ebrahimi 24*b7893ccfSSadaf Ebrahimi # Suppress all warnings from external projects (i.e.: in this directory's scope). 25*b7893ccfSSadaf Ebrahimi if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang") 26*b7893ccfSSadaf Ebrahimi set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "-w") 27*b7893ccfSSadaf Ebrahimi endif() 28*b7893ccfSSadaf Ebrahimi 29*b7893ccfSSadaf Ebrahimi if(TARGET gtest_main) 30*b7893ccfSSadaf Ebrahimi # Already enabled as a target (perhaps by a project enclosing this one) 31*b7893ccfSSadaf Ebrahimi message(STATUS "Vulkan-ValidationLayers/external: " "googletest already configured - using it") 32*b7893ccfSSadaf Ebrahimi elseif(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/googletest") 33*b7893ccfSSadaf Ebrahimi # The googletest directory exists, so enable it as a target. 34*b7893ccfSSadaf Ebrahimi message(STATUS "Vulkan-ValidationLayers/external: " "googletest found - configuring it for tests") 35*b7893ccfSSadaf Ebrahimi set(BUILD_GTEST ON CACHE BOOL "Builds the googletest subproject") 36*b7893ccfSSadaf Ebrahimi set(BUILD_GMOCK OFF CACHE BOOL "Builds the googlemock subproject") 37*b7893ccfSSadaf Ebrahimi set(gtest_force_shared_crt ON CACHE BOOL "Link gtest runtimes dynamically") 38*b7893ccfSSadaf Ebrahimi set(BUILD_SHARED_LIBS ON CACHE BOOL "Build shared libraries") 39*b7893ccfSSadaf Ebrahimi # EXCLUDE_FROM_ALL keeps the install target from installing GTEST files. 40*b7893ccfSSadaf Ebrahimi add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/googletest" EXCLUDE_FROM_ALL) 41*b7893ccfSSadaf Ebrahimi else() 42*b7893ccfSSadaf Ebrahimi message(SEND_ERROR "Vulkan-ValidationLayers/external: " "Google Test was not found. " 43*b7893ccfSSadaf Ebrahimi "Provide Google Test in external/googletest or set BUILD_TESTS=OFF") 44*b7893ccfSSadaf Ebrahimi endif() 45*b7893ccfSSadaf Ebrahimiendif() 46