mirror of
https://github.com/KhronosGroup/glslang
synced 2024-11-15 06:10:05 +00:00
355 lines
13 KiB
CMake
355 lines
13 KiB
CMake
# Copyright (C) 2020 The Khronos Group Inc.
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# Neither the name of The Khronos Group Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# increase to 3.1 once all major distributions
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# include a version of CMake >= 3.1
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cmake_minimum_required(VERSION 2.8.12)
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if (POLICY CMP0048)
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cmake_policy(SET CMP0048 NEW)
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endif()
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project(glslang LANGUAGES CXX)
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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# Enable compile commands database
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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# Adhere to GNU filesystem layout conventions
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include(GNUInstallDirs)
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# Needed for CMAKE_DEPENDENT_OPTION macro
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include(CMakeDependentOption)
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option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF)
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option(BUILD_EXTERNAL "Build external dependencies in /External" ON)
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set(LIB_TYPE STATIC)
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if(BUILD_SHARED_LIBS)
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set(LIB_TYPE SHARED)
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endif()
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if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
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# This logic inside SPIRV-Tools, which can upset build target dependencies
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# if changed after targets are already defined. To prevent these issues,
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# ensure CMAKE_BUILD_TYPE is assigned early and at the glslang root scope.
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message(STATUS "No build type selected, default to Debug")
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set(CMAKE_BUILD_TYPE "Debug")
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endif()
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option(SKIP_GLSLANG_INSTALL "Skip installation" ${SKIP_GLSLANG_INSTALL})
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if(NOT ${SKIP_GLSLANG_INSTALL})
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set(ENABLE_GLSLANG_INSTALL ON)
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endif()
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option(ENABLE_SPVREMAPPER "Enables building of SPVRemapper" ON)
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option(ENABLE_GLSLANG_BINARIES "Builds glslangValidator and spirv-remap" ON)
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option(ENABLE_GLSLANG_JS
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"If using Emscripten, build glslang.js. Otherwise, builds a sample executable for binary-size testing." OFF)
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CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN
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"Reduces glslang to minimum needed for web use"
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OFF "ENABLE_GLSLANG_JS"
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OFF)
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CMAKE_DEPENDENT_OPTION(ENABLE_GLSLANG_WEBMIN_DEVEL
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"For ENABLE_GLSLANG_WEBMIN builds, enables compilation error messages"
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OFF "ENABLE_GLSLANG_WEBMIN"
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OFF)
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CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_SINGLE_FILE
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"If using Emscripten, enables SINGLE_FILE build"
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OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
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OFF)
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CMAKE_DEPENDENT_OPTION(ENABLE_EMSCRIPTEN_ENVIRONMENT_NODE
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"If using Emscripten, builds to run on Node instead of Web"
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OFF "ENABLE_GLSLANG_JS AND EMSCRIPTEN"
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OFF)
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CMAKE_DEPENDENT_OPTION(ENABLE_HLSL
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"Enables HLSL input support"
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ON "NOT ENABLE_GLSLANG_WEBMIN"
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OFF)
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option(ENABLE_RTTI "Enables RTTI" OFF)
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option(ENABLE_EXCEPTIONS "Enables Exceptions" OFF)
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option(ENABLE_OPT "Enables spirv-opt capability if present" ON)
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option(ENABLE_PCH "Enables Precompiled header" ON)
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option(ENABLE_CTEST "Enables testing" ON)
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if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND WIN32)
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set(CMAKE_INSTALL_PREFIX "install" CACHE STRING "..." FORCE)
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endif()
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option(USE_CCACHE "Use ccache" OFF)
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if(USE_CCACHE)
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find_program(CCACHE_FOUND ccache)
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if(CCACHE_FOUND)
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
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endif(CCACHE_FOUND)
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endif()
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if(ENABLE_CTEST)
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include(CTest)
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endif()
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if(ENABLE_HLSL)
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add_definitions(-DENABLE_HLSL)
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endif(ENABLE_HLSL)
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if(ENABLE_GLSLANG_WEBMIN)
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add_definitions(-DGLSLANG_WEB)
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if(ENABLE_GLSLANG_WEBMIN_DEVEL)
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add_definitions(-DGLSLANG_WEB_DEVEL)
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endif(ENABLE_GLSLANG_WEBMIN_DEVEL)
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endif(ENABLE_GLSLANG_WEBMIN)
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if(WIN32)
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set(CMAKE_DEBUG_POSTFIX "d")
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if(MSVC)
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include(ChooseMSVCCRT.cmake)
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endif(MSVC)
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add_definitions(-DGLSLANG_OSINCLUDE_WIN32)
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elseif(UNIX)
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add_definitions(-DGLSLANG_OSINCLUDE_UNIX)
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else(WIN32)
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message("unknown platform")
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endif(WIN32)
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if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
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add_compile_options(-Wall -Wmaybe-uninitialized -Wuninitialized -Wunused -Wunused-local-typedefs
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-Wunused-parameter -Wunused-value -Wunused-variable -Wunused-but-set-parameter -Wunused-but-set-variable -fno-exceptions)
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add_compile_options(-Wno-reorder) # disable this from -Wall, since it happens all over.
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if(NOT ENABLE_RTTI)
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add_compile_options(-fno-rtti)
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endif()
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if(NOT ENABLE_EXCEPTIONS)
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add_compile_options(-fno-exceptions)
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endif()
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9.0.0")
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add_compile_options(-Werror=deprecated-copy)
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endif()
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if(NOT CMAKE_VERSION VERSION_LESS "3.13")
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# Error if there's symbols that are not found at link time.
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# add_link_options() was added in CMake 3.13 - if using an earlier
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# version don't set this - it should be caught by presubmits anyway.
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add_link_options("-Wl,--no-undefined")
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endif()
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elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
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add_compile_options(-Wall -Wuninitialized -Wunused -Wunused-local-typedefs
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-Wunused-parameter -Wunused-value -Wunused-variable)
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add_compile_options(-Wno-reorder) # disable this from -Wall, since it happens all over.
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if(NOT ENABLE_RTTI)
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add_compile_options(-fno-rtti)
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endif()
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if(NOT ENABLE_EXCEPTIONS)
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add_compile_options(-fno-exceptions)
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endif()
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if(NOT CMAKE_VERSION VERSION_LESS "3.13")
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# Error if there's symbols that are not found at link time.
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# add_link_options() was added in CMake 3.13 - if using an earlier
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# version don't set this - it should be caught by presubmits anyway.
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add_link_options("-Wl,-undefined,error")
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endif()
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elseif(MSVC)
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if(NOT ENABLE_RTTI)
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string(FIND "${CMAKE_CXX_FLAGS}" "/GR" MSVC_HAS_GR)
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if(MSVC_HAS_GR)
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string(REGEX REPLACE "/GR" "/GR-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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else()
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add_compile_options(/GR-) # Disable RTTI
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endif()
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endif()
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if(ENABLE_EXCEPTIONS)
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add_compile_options(/EHsc) # Enable Exceptions
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else()
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string(REGEX REPLACE /EHsc "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # Try to remove default /EHsc cxx_flag
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add_compile_definitions(_HAS_EXCEPTIONS=0)
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endif()
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endif()
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if(ENABLE_GLSLANG_JS)
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if(MSVC)
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add_compile_options(/Os /GR-)
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else()
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add_compile_options(-Os -fno-rtti -fno-exceptions)
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if(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND NOT MSVC)
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add_compile_options(-Wno-unused-parameter)
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add_compile_options(-Wno-unused-variable -Wno-unused-const-variable)
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endif()
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endif()
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endif(ENABLE_GLSLANG_JS)
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# Request C++11
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if(${CMAKE_VERSION} VERSION_LESS 3.1)
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# CMake versions before 3.1 do not understand CMAKE_CXX_STANDARD
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# remove this block once CMake >=3.1 has fixated in the ecosystem
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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else()
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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endif()
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function(glslang_set_link_args TARGET)
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# For MinGW compiles, statically link against the GCC and C++ runtimes.
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# This avoids the need to ship those runtimes as DLLs.
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if(WIN32 AND ${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
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set_target_properties(${TARGET} PROPERTIES
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LINK_FLAGS "-static -static-libgcc -static-libstdc++")
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endif()
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endfunction(glslang_set_link_args)
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if(NOT COMMAND find_host_package)
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macro(find_host_package)
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find_package(${ARGN})
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endmacro()
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endif()
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# Root directory for build-time generated include files
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set(GLSLANG_GENERATED_INCLUDEDIR "${CMAKE_BINARY_DIR}/include")
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################################################################################
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# Build version information generation
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################################################################################
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include(parse_version.cmake)
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set(GLSLANG_CHANGES_FILE "${CMAKE_CURRENT_SOURCE_DIR}/CHANGES.md")
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set(GLSLANG_BUILD_INFO_H_TMPL "${CMAKE_CURRENT_SOURCE_DIR}/build_info.h.tmpl")
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set(GLSLANG_BUILD_INFO_H "${GLSLANG_GENERATED_INCLUDEDIR}/glslang/build_info.h")
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parse_version(${GLSLANG_CHANGES_FILE} GLSLANG)
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function(configurate_version)
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set(major ${GLSLANG_VERSION_MAJOR})
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set(minor ${GLSLANG_VERSION_MINOR})
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set(patch ${GLSLANG_VERSION_PATCH})
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set(flavor ${GLSLANG_VERSION_FLAVOR})
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configure_file(${GLSLANG_BUILD_INFO_H_TMPL} ${GLSLANG_BUILD_INFO_H} @ONLY)
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endfunction()
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configurate_version()
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# glslang_add_build_info_dependency() adds the glslang-build-info dependency and
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# generated include directories to target.
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function(glslang_add_build_info_dependency target)
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target_include_directories(${target} PUBLIC $<BUILD_INTERFACE:${GLSLANG_GENERATED_INCLUDEDIR}>)
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endfunction()
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# glslang_only_export_explicit_symbols() makes the symbol visibility hidden by
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# default for <target> when building shared libraries, and sets the
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# GLSLANG_IS_SHARED_LIBRARY define, and GLSLANG_EXPORTING to 1 when specifically
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# building <target>.
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function(glslang_only_export_explicit_symbols target)
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if(BUILD_SHARED_LIBS)
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target_compile_definitions(${target} PUBLIC "GLSLANG_IS_SHARED_LIBRARY=1")
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if(WIN32)
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target_compile_definitions(${target} PRIVATE "GLSLANG_EXPORTING=1")
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else()
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target_compile_options(${target} PRIVATE "-fvisibility=hidden")
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endif()
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endif()
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endfunction()
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# glslang_pch() adds precompiled header rules to <target> for the pre-compiled
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# header file <pch>. As target_precompile_headers() was added in CMake 3.16,
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# this is a no-op if called on earlier versions of CMake.
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if(NOT CMAKE_VERSION VERSION_LESS "3.16" AND ENABLE_PCH)
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function(glslang_pch target pch)
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target_precompile_headers(${target} PRIVATE ${pch})
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endfunction()
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else()
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function(glslang_pch target pch)
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endfunction()
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if(ENABLE_PCH)
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message("Your CMake version is ${CMAKE_VERSION}. Update to at least 3.16 to enable precompiled headers to speed up incremental builds")
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endif()
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endif()
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if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
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find_host_package(PythonInterp 3 REQUIRED)
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# We depend on these for later projects, so they should come first.
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add_subdirectory(External)
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endif()
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if(NOT TARGET SPIRV-Tools-opt)
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set(ENABLE_OPT OFF)
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endif()
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if(ENABLE_OPT)
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message(STATUS "optimizer enabled")
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add_definitions(-DENABLE_OPT=1)
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else()
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if(ENABLE_HLSL)
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message(STATUS "spirv-tools not linked - illegal SPIRV may be generated for HLSL")
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endif()
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add_definitions(-DENABLE_OPT=0)
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endif()
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add_subdirectory(glslang)
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add_subdirectory(OGLCompilersDLL)
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if(ENABLE_GLSLANG_BINARIES)
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add_subdirectory(StandAlone)
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endif()
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add_subdirectory(SPIRV)
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if(ENABLE_HLSL)
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add_subdirectory(hlsl)
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endif(ENABLE_HLSL)
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if(ENABLE_CTEST)
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add_subdirectory(gtests)
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endif()
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if(ENABLE_CTEST AND BUILD_TESTING)
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# glslang-testsuite runs a bash script on Windows.
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# Make sure to use '-o igncr' flag to ignore carriage returns (\r).
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set(IGNORE_CR_FLAG "")
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if(WIN32)
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set(IGNORE_CR_FLAG -o igncr)
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endif()
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if (CMAKE_CONFIGURATION_TYPES)
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set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>/localResults)
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set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIGURATION>/glslangValidator)
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set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/$<CONFIGURATION>/spirv-remap)
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else(CMAKE_CONFIGURATION_TYPES)
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set(RESULTS_PATH ${CMAKE_CURRENT_BINARY_DIR}/localResults)
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set(VALIDATOR_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/glslangValidator)
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set(REMAP_PATH ${CMAKE_CURRENT_BINARY_DIR}/StandAlone/spirv-remap)
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endif(CMAKE_CONFIGURATION_TYPES)
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add_test(NAME glslang-testsuite
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COMMAND bash ${IGNORE_CR_FLAG} runtests ${RESULTS_PATH} ${VALIDATOR_PATH} ${REMAP_PATH}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/Test/)
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endif()
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