mirror of
https://github.com/raysan5/raylib.git
synced 2025-12-06 06:13:10 +00:00
b8ca51fd01
Panders to the idiosyncrasies of my work flow: I have my raylib build directory mounted as a VirtualBox vboxfs for use with my Linux VM, but vboxfs doesn't support symlinks, while raylib shared library versioning on Unix expects symlinks to work. If this happens, library versioning is now disabled on Unix with an error message instead of just failing the build.
74 lines
2.5 KiB
CMake
74 lines
2.5 KiB
CMake
cmake_minimum_required(VERSION 3.0)
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# Config options
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option(BUILD_EXAMPLES "Build the examples." ON)
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option(BUILD_GAMES "Build the example games." ON)
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option(ENABLE_ASAN "Enable AddressSanitizer (ASAN) for debugging (degrades performance)" OFF)
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option(ENABLE_UBSAN "Enable UndefinedBehaviorSanitizer (UBSan) for debugging" OFF)
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option(ENABLE_MSAN "Enable MemorySanitizer (MSan) for debugging (not recommended for run with ASAN)" OFF)
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if(CMAKE_VERSION VERSION_LESS "3.1")
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if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
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set(CMAKE_C_FLAGS "-std=gnu99 ${CMAKE_C_FLAGS}")
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endif()
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else()
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set (CMAKE_C_STANDARD 99)
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endif()
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include(CheckCCompilerFlag)
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function(add_if_flag_works flag)
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CHECK_C_COMPILER_FLAG("${flag}" COMPILER_HAS_THOSE_TOGGLES)
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set(outcome "Failed")
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if(COMPILER_HAS_THOSE_TOGGLES)
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foreach(var ${ARGN})
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set(${var} "${flag} ${${var}}" PARENT_SCOPE)
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endforeach()
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set(outcome "works")
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endif()
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message(STATUS "Testing if ${flag} can be used -- ${outcome}")
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endfunction()
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add_if_flag_works(-Werror=pointer-arith CMAKE_C_FLAGS)
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add_if_flag_works(-Werror=implicit-function-declaration CMAKE_C_FLAGS)
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# src/external/jar_xm.h does shady stuff
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add_if_flag_works(-fno-strict-aliasing CMAKE_C_FLAGS)
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message(STATUS "Check for symlink support in file system")
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E create_symlink CMakeLists.txt "${CMAKE_CURRENT_BINARY_DIR}/TestingIfSymlinkWorks"
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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RESULT_VARIABLE FILESYSTEM_LACKS_SYMLINKS
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)
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If (FILESYSTEM_LACKS_SYMLINKS)
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message(STATUS "Testing if file system supports symlinks -- unsupported")
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else()
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message(STATUS "Testing if file system supports symlinks -- supported")
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endif()
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if (ENABLE_ASAN)
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add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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add_if_flag_works(-fsanitize=address CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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endif()
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if (ENABLE_UBSAN)
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add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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add_if_flag_works(-fsanitize=undefined CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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endif()
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if (ENABLE_MSAN)
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add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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add_if_flag_works(-fsanitize=memory CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
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endif()
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if (ENABLE_MSAN AND ENABLE_ASAN)
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MESSAGE(WARNING "Compiling with both AddressSanitizer and MemorySanitizer is not recommended")
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endif()
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add_subdirectory(src release)
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if (${BUILD_EXAMPLES})
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add_subdirectory(examples)
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endif()
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if (${BUILD_GAMES})
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add_subdirectory(games)
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endif()
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