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272 lines
8.1 KiB
272 lines
8.1 KiB
# Copyright 2018 The Amber Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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cmake_minimum_required(VERSION 3.0)
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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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if (POLICY CMP0054)
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# Avoid dereferencing variables or interpret keywords that have been
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# quoted or bracketed.
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# https://cmake.org/cmake/help/v3.1/policy/CMP0054.html
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cmake_policy(SET CMP0054 NEW)
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endif()
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project(amber)
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enable_testing()
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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include(CheckIncludeFile)
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include(GNUInstallDirs)
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option(AMBER_SKIP_TESTS
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"Skip building tests along with the library" ${AMBER_SKIP_TESTS})
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option(AMBER_SKIP_SPIRV_TOOLS
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"Skip building spirv-tools into the library" ${AMBER_SKIP_SPIRV_TOOLS})
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option(AMBER_SKIP_SHADERC
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"Skip building Shaderc into the library" ${AMBER_SKIP_SHADERC})
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option(AMBER_SKIP_SAMPLES
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"Skip building sample application" ${AMBER_SKIP_SAMPLES})
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option(AMBER_SKIP_LODEPNG
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"Skip building lodepng into the library" ${AMBER_SKIP_LODEPNG})
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option(AMBER_USE_DXC "Enable DXC integration" ${AMBER_USE_DXC})
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option(AMBER_USE_LOCAL_VULKAN "Build with vulkan in third_party" OFF)
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option(AMBER_USE_CLSPV "Build with Clspv support" OFF)
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option(AMBER_ENABLE_SWIFTSHADER
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"Build using SwiftShader" ${AMBER_ENABLE_SWIFTSHADER})
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option(AMBER_ENABLE_VK_DEBUGGING
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"Build with cppdap debugging support" ${AMBER_ENABLE_VK_DEBUGGING})
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option(AMBER_ENABLE_RTTI
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"Build with runtime type information" OFF)
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if (${AMBER_USE_CLSPV} OR ${AMBER_ENABLE_SWIFTSHADER})
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set(CMAKE_CXX_STANDARD 14)
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else()
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set(CMAKE_CXX_STANDARD 11)
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endif()
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if(WIN32)
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# On Windows, CMake by default compiles with the shared CRT.
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# Default it to the static CRT.
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option(AMBER_ENABLE_SHARED_CRT
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"Amber: Use the shared CRT with MSVC instead of the static CRT"
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${AMBER_ENABLE_SHARED_CRT})
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endif(WIN32)
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if (${AMBER_SKIP_SPIRV_TOOLS})
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set(AMBER_ENABLE_SPIRV_TOOLS FALSE)
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set(AMBER_ENABLE_SHADERC FALSE)
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else()
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set(AMBER_ENABLE_SPIRV_TOOLS TRUE)
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if (${AMBER_SKIP_SHADERC})
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set(AMBER_ENABLE_SHADERC FALSE)
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else()
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set(AMBER_ENABLE_SHADERC TRUE)
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endif()
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endif()
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if (${AMBER_SKIP_TESTS})
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set(AMBER_ENABLE_TESTS FALSE)
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else()
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set(AMBER_ENABLE_TESTS TRUE)
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endif()
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if (${AMBER_SKIP_SAMPLES})
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set(AMBER_ENABLE_SAMPLES FALSE)
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else()
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set(AMBER_ENABLE_SAMPLES TRUE)
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endif()
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if (${AMBER_SKIP_LODEPNG})
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set(AMBER_ENABLE_LODEPNG FALSE)
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else()
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set(AMBER_ENABLE_LODEPNG TRUE)
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endif()
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if (${AMBER_ENABLE_SWIFTSHADER})
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# Swiftshader requires the loader to be built.
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set(AMBER_USE_LOCAL_VULKAN TRUE)
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endif()
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if (${AMBER_USE_DXC})
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set(AMBER_ENABLE_DXC TRUE)
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else()
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set(AMBER_ENABLE_DXC FALSE)
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endif()
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if (${AMBER_USE_CLSPV})
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set(AMBER_ENABLE_CLSPV TRUE)
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set(AMBER_ENABLE_SPIRV_TOOLS TRUE)
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else()
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set(AMBER_ENABLE_CLSPV FALSE)
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endif()
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if (${AMBER_USE_CLSPV} OR ${AMBER_ENABLE_SWIFTSHADER})
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enable_language(ASM)
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endif()
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message(STATUS "Using python3")
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find_package(PythonInterp 3 REQUIRED)
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message(STATUS "Amber enable SPIRV-Tools: ${AMBER_ENABLE_SPIRV_TOOLS}")
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message(STATUS "Amber enable Shaderc: ${AMBER_ENABLE_SHADERC}")
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message(STATUS "Amber enable tests: ${AMBER_ENABLE_TESTS}")
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message(STATUS "Amber enable samples: ${AMBER_ENABLE_SAMPLES}")
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message(STATUS "Amber enable lodepng: ${AMBER_ENABLE_LODEPNG}")
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message(STATUS "Amber enable SwiftShader: ${AMBER_ENABLE_SWIFTSHADER}")
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message(STATUS "Amber enable DXC: ${AMBER_ENABLE_DXC}")
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message(STATUS "Amber enable Clspv: ${AMBER_ENABLE_CLSPV}")
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message(STATUS "Amber enable RTTI: ${AMBER_ENABLE_RTTI}")
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include_directories("${PROJECT_SOURCE_DIR}/include")
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include_directories("${PROJECT_SOURCE_DIR}")
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if (${AMBER_ENABLE_SPIRV_TOOLS})
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include_directories("${PROJECT_SOURCE_DIR}/third_party/spirv-tools/include")
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endif()
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if (NOT ANDROID)
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include(src/dawn/find_dawn.cmake)
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endif()
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include(src/vulkan/find_vulkan.cmake)
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add_definitions(-DAMBER_CTS_VULKAN_HEADER=$<BOOL:${VULKAN_CTS_HEADER}>)
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add_definitions(-DAMBER_ENGINE_VULKAN=$<BOOL:${Vulkan_FOUND}>)
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add_definitions(-DAMBER_ENGINE_DAWN=$<BOOL:${Dawn_FOUND}>)
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add_definitions(-DAMBER_ENABLE_SPIRV_TOOLS=$<BOOL:${AMBER_ENABLE_SPIRV_TOOLS}>)
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add_definitions(-DAMBER_ENABLE_SHADERC=$<BOOL:${AMBER_ENABLE_SHADERC}>)
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add_definitions(-DAMBER_ENABLE_DXC=$<BOOL:${AMBER_ENABLE_DXC}>)
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add_definitions(-DAMBER_ENABLE_CLSPV=$<BOOL:${AMBER_ENABLE_CLSPV}>)
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add_definitions(-DAMBER_ENABLE_LODEPNG=$<BOOL:${AMBER_ENABLE_LODEPNG}>)
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add_definitions(-DAMBER_ENABLE_VK_DEBUGGING=$<BOOL:${AMBER_ENABLE_VK_DEBUGGING}>)
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add_definitions(-DAMBER_ENABLE_RTTI=$<BOOL:${AMBER_ENABLE_RTTI}>)
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set(CMAKE_DEBUG_POSTFIX "")
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# This has to be done very early so the link path will get set correctly for all
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# the various libraries and binaries.
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if (${AMBER_ENABLE_DXC})
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link_directories("${CMAKE_BINARY_DIR}/third_party/dxc/lib")
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if (MSVC)
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# DXC turns this off all over the place so we have to do the same.
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add_definitions(/D_ITERATOR_DEBUG_LEVEL=0)
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endif()
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endif()
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if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
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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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if(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") OR
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(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") AND
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(NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")))
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set(COMPILER_IS_LIKE_GNU TRUE)
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endif()
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if(MSVC)
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# We don't want to have to copy the C Runtime DLL everywhere the executable
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# goes. So by default compile code to assume the CRT is statically linked,
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# i.e. use /MT* options. For debug builds use /MTd, and for release builds
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# use /MT. If AMBER_ENABLE_SHARED_CRT is ON, then use the shared C runtime.
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# Modify the project-wide options variables. This is ugly, but seems to be
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# the state of the art.
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if(NOT ${AMBER_ENABLE_SHARED_CRT})
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message(STATUS "Amber: Static C runtime selected: replacing /MD* with /MT*")
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foreach (flag_var
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CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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string(REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
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endforeach()
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endif()
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endif()
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function(amber_default_compile_options TARGET)
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if (${COMPILER_IS_LIKE_GNU})
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target_compile_options(${TARGET} PRIVATE
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-std=c++11
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-fno-exceptions
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-fvisibility=hidden
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-Wall
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-Werror
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-Wextra
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-Wno-padded
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-Wno-switch-enum
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-Wno-unknown-pragmas
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-pedantic-errors
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)
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if(NOT ${AMBER_ENABLE_RTTI})
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target_compile_options(${TARGET} PRIVATE -fno-rtti)
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endif()
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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target_compile_options(${TARGET} PRIVATE
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-Wno-c++98-compat
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-Wno-c++98-compat-pedantic
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-Wno-format-pedantic
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-Wno-unknown-warning-option
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-Weverything
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)
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endif()
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endif()
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if (MSVC)
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# Specify /EHs for exception handling.
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target_compile_options(${TARGET} PRIVATE
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/bigobj
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/EHsc
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/W3
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/WX
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/wd4068
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/wd4514
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/wd4571
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/wd4625
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/wd4626
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/wd4710
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/wd4774
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/wd4820
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/wd5026
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/wd5027
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)
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endif()
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if (NOT ${AMBER_ENABLE_SHARED_CRT})
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# For MinGW cross compile, statically link to the C++ runtime.
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# But it still depends on MSVCRT.dll.
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if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
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set_target_properties(${TARGET} PROPERTIES LINK_FLAGS
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-static
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-static-libgcc
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-static-libstdc++)
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endif()
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endif()
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endif()
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endfunction()
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add_subdirectory(third_party)
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add_subdirectory(src)
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if (${AMBER_ENABLE_SAMPLES} AND NOT ANDROID)
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add_subdirectory(samples)
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endif()
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