| # Copyright 2020 The Shaderc Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| cmake_minimum_required(VERSION 3.17.2) |
| |
| project(shaderc) |
| enable_testing() |
| |
| if ("${CMAKE_BUILD_TYPE}" STREQUAL "") |
| message(STATUS "No build type selected, default to Debug") |
| set(CMAKE_BUILD_TYPE "Debug") |
| endif() |
| |
| message(STATUS "Shaderc: build type is \"${CMAKE_BUILD_TYPE}\".") |
| |
| option(SHADERC_ENABLE_WGSL_OUTPUT "Enable WGSL output" OFF) |
| |
| option(SHADERC_SKIP_INSTALL "Skip installation" ${SHADERC_SKIP_INSTALL}) |
| if(NOT ${SHADERC_SKIP_INSTALL}) |
| set(SHADERC_ENABLE_INSTALL ON) |
| endif() |
| |
| option(SHADERC_SKIP_TESTS "Skip building tests" ${SHADERC_SKIP_TESTS}) |
| if(NOT ${SHADERC_SKIP_TESTS}) |
| set(SHADERC_ENABLE_TESTS ON) |
| endif() |
| if(${SHADERC_ENABLE_TESTS}) |
| message(STATUS "Configuring Shaderc to build tests.") |
| else() |
| message(STATUS "Configuring Shaderc to avoid building tests.") |
| endif() |
| |
| option(SHADERC_SKIP_EXAMPLES "Skip building examples" ${SHADERC_SKIP_EXAMPLES}) |
| if(NOT ${SHADERC_SKIP_EXAMPLES}) |
| set(SHADERC_ENABLE_EXAMPLES ON) |
| endif() |
| if(${SHADERC_ENABLE_EXAMPLES}) |
| message(STATUS "Configuring Shaderc to build examples.") |
| else() |
| message(STATUS "Configuring Shaderc to avoid building examples.") |
| endif() |
| |
| option(SHADERC_SKIP_COPYRIGHT_CHECK "Skip copyright check" ${SHADERC_SKIP_COPYRIGHT_CHECK}) |
| if(NOT ${SHADERC_SKIP_COPYRIGHT_CHECK}) |
| set(SHADERC_ENABLE_COPYRIGHT_CHECK ON) |
| endif() |
| if(${SHADERC_ENABLE_COPYRIGHT_CHECK}) |
| message(STATUS "Configuring Shaderc to check copyrights.") |
| else() |
| message(STATUS "Configuring Shaderc to avoid checking copyrights.") |
| endif() |
| |
| option(SHADERC_ENABLE_WERROR_COMPILE "Enable passing -Werror to compiler, if available" ON) |
| |
| set (CMAKE_CXX_STANDARD 17) |
| |
| include(GNUInstallDirs) |
| include(cmake/setup_build.cmake) |
| include(cmake/utils.cmake) |
| include(CheckCXXCompilerFlag) |
| |
| set(SPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS ${DISABLE_EXCEPTIONS} CACHE BOOL "Coupling SPIRV-Cross exception conversion to DISABLE_EXCEPTIONS" FORCE) |
| if(DISABLE_EXCEPTIONS) |
| # Need to set additional values here, since some of the wrapped code occurs in |
| # .h/.hpp files, so maybe included outside of the library. |
| add_definitions(-DSPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS) |
| endif() |
| |
| # These flags are not supported on Windows and some older version of GCC |
| # that our bots use. |
| # Warning about implicit fallthrough in switch blocks |
| check_cxx_compiler_flag(-Wimplicit-fallthrough COMPILER_SUPPORTS_FALLTHROUGH_WARNING) |
| if (COMPILER_SUPPORTS_FALLTHROUGH_WARNING) |
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wimplicit-fallthrough") |
| endif() |
| |
| # Warning about extra semi-colons |
| check_cxx_compiler_flag(-Wextra-semi COMPILER_SUPPORTS_EXTRA_SEMI_WARNING) |
| if (COMPILER_SUPPORTS_EXTRA_SEMI_WARNING) |
| add_compile_options("-Wextra-semi") |
| endif() |
| |
| find_package(Python COMPONENTS Interpreter REQUIRED) |
| |
| if (SHADERC_ENABLE_COPYRIGHT_CHECK) |
| add_custom_target(check-copyright ALL |
| ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/utils/add_copyright.py |
| --check |
| WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} |
| COMMENT "Check copyright") |
| endif() |
| |
| add_custom_target(add-copyright |
| ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/utils/add_copyright.py |
| WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} |
| COMMENT "Add copyright") |
| |
| if(MSVC) |
| option(SHADERC_ENABLE_SHARED_CRT |
| "Use the shared CRT instead of the static CRT" |
| OFF) |
| if (SHADERC_ENABLE_SHARED_CRT) |
| set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL") |
| else() |
| set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>") |
| endif() |
| endif(MSVC) |
| |
| |
| # Configure subdirectories. |
| # We depend on these for later projects, so they should come first. |
| add_subdirectory(third_party) |
| |
| add_subdirectory(libshaderc_util) |
| add_subdirectory(libshaderc) |
| add_subdirectory(glslc) |
| if(${SHADERC_ENABLE_EXAMPLES}) |
| add_subdirectory(examples) |
| endif() |
| |
| add_custom_target(build-version |
| ${Python_EXECUTABLE} |
| ${CMAKE_CURRENT_SOURCE_DIR}/utils/update_build_version.py |
| ${shaderc_SOURCE_DIR} ${spirv-tools_SOURCE_DIR} ${glslang_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/build-version.inc |
| COMMENT "Update build-version.inc in the Shaderc build directory (if necessary).") |
| |
| function(define_pkg_config_file NAME LIBS) |
| add_custom_target(${NAME}-pkg-config ALL |
| COMMAND ${CMAKE_COMMAND} |
| -DCHANGES_FILE=${CMAKE_CURRENT_SOURCE_DIR}/CHANGES |
| -DTEMPLATE_FILE=${CMAKE_CURRENT_SOURCE_DIR}/cmake/${NAME}.pc.in |
| -DOUT_FILE=${CMAKE_CURRENT_BINARY_DIR}/${NAME}.pc |
| -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} |
| -DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR} |
| -DCMAKE_INSTALL_INCLUDEDIR=${CMAKE_INSTALL_INCLUDEDIR} |
| -DLIBS=${LIBS} |
| -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/write_pkg_config.cmake |
| DEPENDS "CHANGES" "cmake/${NAME}.pc.in" "cmake/write_pkg_config.cmake") |
| |
| if (SHADERC_ENABLE_INSTALL) |
| install( |
| FILES |
| ${CMAKE_CURRENT_BINARY_DIR}/${NAME}.pc |
| DESTINATION |
| ${CMAKE_INSTALL_LIBDIR}/pkgconfig) |
| endif() |
| endfunction() |
| |
| define_pkg_config_file(shaderc -lshaderc_shared) |
| define_pkg_config_file(shaderc_static "-lshaderc ${EXTRA_STATIC_PKGCONFIG_LIBS} -lshaderc_util") |
| define_pkg_config_file(shaderc_combined -lshaderc_combined) |
