glslang/CMakeLists.txt

377 lines
13 KiB
CMake

# Copyright (C) 2020 The Khronos Group Inc.
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# Neither the name of The Khronos Group Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
cmake_minimum_required(VERSION 3.14.0)
project(glslang)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
# Adhere to GNU filesystem layout conventions
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
# Needed for CMAKE_DEPENDENT_OPTION macro
include(CMakeDependentOption)
option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF)
option(BUILD_EXTERNAL "Build external dependencies in /External" ON)
set(LIB_TYPE STATIC)
if(BUILD_SHARED_LIBS)
set(LIB_TYPE SHARED)
endif()
if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
# This logic inside SPIRV-Tools, which can upset build target dependencies
# if changed after targets are already defined. To prevent these issues,
# ensure CMAKE_BUILD_TYPE is assigned early and at the glslang root scope.
message(STATUS "No build type selected, default to Debug")
set(CMAKE_BUILD_TYPE "Debug")
endif()
option(SKIP_GLSLANG_INSTALL "Skip installation" ${SKIP_GLSLANG_INSTALL})
if(NOT ${SKIP_GLSLANG_INSTALL})
set(ENABLE_GLSLANG_INSTALL ON)
endif()
option(ENABLE_SPVREMAPPER "Enables building of SPVRemapper" ON)
option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
option(ENABLE_GLSLANG_JS
"If using Emscripten, build glslang.js. Otherwise, builds a sample executable for binary-size testing." OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN
"Reduces glslang to minimum needed for web use"
OFF "ENABLE_GLSLANG_JS"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN_DEVEL
"For ENABLE_GLSLANG_WEBMIN builds, enables compilation error messages"
OFF "ENABLE_GLSLANG_WEBMIN"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_SINGLE_FILE
"If using Emscripten, enables SINGLE_FILE build"
OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE
"If using Emscripten, builds to run on Node instead of Web"
OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_HLSL
"Enables HLSL input support"
ON "NOT ENABLE_GLSLANG_WEBMIN"
OFF)
option(ENABLE_RTTI "Enables RTTI" OFF)
option(ENABLE_EXCEPTIONS "Enables Exceptions" OFF)
option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
if(MINGW OR (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU"))
# Workaround for CMake behavior on Mac OS with gcc, cmake generates -Xarch_* arguments
# which gcc rejects
option(ENABLE_PCH "Enables Precompiled header" OFF)
else()
option(ENABLE_PCH "Enables Precompiled header" ON)
endif()
option(ENABLE_CTEST "Enables testing" ON)
if(ENABLE_CTEST)
include(CTest)
endif()
if(ENABLE_HLSL)
add_definitions(-DENABLE_HLSL)
endif()
if(ENABLE_GLSLANG_WEBMIN)
add_definitions(-DGLSLANG_WEB)
if(ENABLE_GLSLANG_WEBMIN_DEVEL)
add_definitions(-DGLSLANG_WEB_DEVEL)
endif()
endif()
if(WIN32)
set(CMAKE_DEBUG_POSTFIX "d")
option(OVERRIDE_MSVCCRT "Overrides runtime of MSVC " ON)
if(MSVC AND OVERRIDE_MSVCCRT)
include(ChooseMSVCCRT.cmake)
endif()
add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
elseif(UNIX)
add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
else()
message("unknown platform")
endif()
if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
-Wunused-parameter -Wunused-value -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable -fno-exceptions)
if(NOT ENABLE_RTTI)
add_compile_options(-fno-rtti)
endif()
if(NOT ENABLE_EXCEPTIONS)
add_compile_options(-fno-exceptions)
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9.0.0")
add_compile_options(-Werror=deprecated-copy)
endif()
if(NOT CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" AND NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
# Error if there's symbols that are not found at link time.
add_link_options("-Wl,--no-undefined")
endif()
elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
add_compile_options(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
-Wunused-parameter -Wunused-value -Wunused-variable)
if(NOT ENABLE_RTTI)
add_compile_options(-fno-rtti)
endif()
if(NOT ENABLE_EXCEPTIONS)
add_compile_options(-fno-exceptions)
endif()
if(NOT CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
# Error if there's symbols that are not found at link time.
if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
add_link_options("-Wl,-undefined,error")
elseif(NOT APPLE)
add_link_options("-Wl,--no-undefined")
endif()
endif()
elseif(MSVC)
if(NOT ENABLE_RTTI)
string(FIND "${CMAKE_CXX_FLAGS}" "/GR" MSVC_HAS_GR)
if(MSVC_HAS_GR)
string(REGEX REPLACE "/GR" "/GR-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
else()
add_compile_options(/GR-) # Disable RTTI
endif()
endif()
if(ENABLE_EXCEPTIONS)
add_compile_options(/EHsc) # Enable Exceptions
else()
string(REGEX REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") # Try to remove default /EHsc cxx_flag
add_compile_options(/D_HAS_EXCEPTIONS=0)
endif()
endif()
if(ENABLE_GLSLANG_JS)
if(MSVC)
add_compile_options(/Os /GR-)
else()
add_compile_options(-Os -fno-rtti -fno-exceptions)
if(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
add_compile_options(-Wno-unused-parameter)
add_compile_options(-Wno-unused-variable -Wno-unused-const-variable)
endif()
endif()
endif()
# Request C++17
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
function(glslang_set_link_args TARGET)
# For MinGW compiles, statically link against the GCC and C++ runtimes.
# This avoids the need to ship those runtimes as DLLs.
if(WIN32 AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
set_target_properties(${TARGET} PROPERTIES
LINK_FLAGS "-static -static-libgcc -static-libstdc++")
endif()
endfunction(glslang_set_link_args)
if(NOT COMMAND find_host_package)
macro(find_host_package)
find_package(${ARGN})
endmacro()
endif()
# Root directory for build-time generated include files
set(GLSLANG_GENERATED_INCLUDEDIR "${CMAKE_BINARY_DIR}/include")
################################################################################
# Build version information generation
################################################################################
include(parse_version.cmake)
set(GLSLANG_CHANGES_FILE "${CMAKE_CURRENT_SOURCE_DIR}/CHANGES.md")
set(GLSLANG_BUILD_INFO_H_TMPL "${CMAKE_CURRENT_SOURCE_DIR}/build_info.h.tmpl")
set(GLSLANG_BUILD_INFO_H "${GLSLANG_GENERATED_INCLUDEDIR}/glslang/build_info.h")
parse_version(${GLSLANG_CHANGES_FILE} GLSLANG)
function(configurate_version)
set(major ${GLSLANG_VERSION_MAJOR})
set(minor ${GLSLANG_VERSION_MINOR})
set(patch ${GLSLANG_VERSION_PATCH})
set(flavor ${GLSLANG_VERSION_FLAVOR})
configure_file(${GLSLANG_BUILD_INFO_H_TMPL} ${GLSLANG_BUILD_INFO_H} @ONLY)
endfunction()
configurate_version()
# glslang_add_build_info_dependency() adds the glslang-build-info dependency and
# generated include directories to target.
function(glslang_add_build_info_dependency target)
target_include_directories(${target} PUBLIC $<BUILD_INTERFACE:${GLSLANG_GENERATED_INCLUDEDIR}>)
endfunction()
# glslang_only_export_explicit_symbols() makes the symbol visibility hidden by
# default for <target> when building shared libraries, and sets the
# GLSLANG_IS_SHARED_LIBRARY define, and GLSLANG_EXPORTING to 1 when specifically
# building <target>.
function(glslang_only_export_explicit_symbols target)
if(BUILD_SHARED_LIBS)
target_compile_definitions(${target} PUBLIC "GLSLANG_IS_SHARED_LIBRARY=1")
if(WIN32)
target_compile_definitions(${target} PRIVATE "GLSLANG_EXPORTING=1")
else()
target_compile_options(${target} PRIVATE "-fvisibility=hidden")
endif()
endif()
endfunction()
# glslang_pch() adds precompiled header rules to <target> for the pre-compiled
# header file <pch>. As target_precompile_headers() was added in CMake 3.16,
# this is a no-op if called on earlier versions of CMake.
if(NOT CMAKE_VERSION VERSION_LESS "3.16" AND ENABLE_PCH)
function(glslang_pch target pch)
target_precompile_headers(${target} PRIVATE ${pch})
endfunction()
else()
function(glslang_pch target pch)
endfunction()
if(ENABLE_PCH)
message("Your CMake version is ${CMAKE_VERSION}. Update to at least 3.16 to enable precompiled headers to speed up incremental builds")
endif()
endif()
if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
find_host_package(Python3 REQUIRED)
# We depend on these for later projects, so they should come first.
add_subdirectory(External)
endif()
if(NOT TARGET SPIRV-Tools-opt)
set(ENABLE_OPT OFF)
endif()
if(ENABLE_OPT)
message(STATUS "optimizer enabled")
add_definitions(-DENABLE_OPT=1)
else()
if(ENABLE_HLSL)
message(STATUS "spirv-tools not linked - illegal SPIRV may be generated for HLSL")
endif()
add_definitions(-DENABLE_OPT=0)
endif()
add_subdirectory(glslang)
add_subdirectory(OGLCompilersDLL)
if(ENABLE_GLSLANG_BINARIES)
add_subdirectory(StandAlone)
endif()
add_subdirectory(SPIRV)
if(ENABLE_HLSL)
add_subdirectory(hlsl)
endif()
if(ENABLE_CTEST)
add_subdirectory(gtests)
endif()
if(ENABLE_CTEST AND BUILD_TESTING)
# glslang-testsuite runs a bash script on Windows.
# Make sure to use '-o igncr' flag to ignore carriage returns (\r).
set(IGNORE_CR_FLAG "")
if(WIN32)
set(IGNORE_CR_FLAG -o igncr)
endif()
if (CMAKE_CONFIGURATION_TYPES)
set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/localResults)
set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIG>/glslangValidator)
set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIG>/spirv-remap)
else()
set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/localResults)
set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/glslangValidator)
set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/spirv-remap)
endif()
add_test(NAME glslang-testsuite
COMMAND bash ${IGNORE_CR_FLAG} runtests ${RESULTS_PATH} ${VALIDATOR_PATH} ${REMAP_PATH}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/Test/)
endif()
if(ENABLE_GLSLANG_INSTALL)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake.in" [=[
@PACKAGE_INIT@
@INSTALL_CONFIG_UNIX@
include("@PACKAGE_PATH_EXPORT_TARGETS@")
]=])
set(PATH_EXPORT_TARGETS "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/glslang-targets.cmake")
if(UNIX OR "${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia")
set(INSTALL_CONFIG_UNIX [=[
include(CMakeFindDependencyMacro)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_dependency(Threads REQUIRED)
]=])
endif()
configure_package_config_file(
"${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake"
PATH_VARS
PATH_EXPORT_TARGETS
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
)
write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/glslang-config-version.cmake"
VERSION ${GLSLANG_VERSION}
COMPATIBILITY SameMajorVersion
)
install(
EXPORT glslang-targets
NAMESPACE "glslang::"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/glslang-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/glslang-config-version.cmake"
DESTINATION
"${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
)
endif()