| 
								
							 | 
							
								cmake_minimum_required(VERSION 3.0)
							 | 
						
						
						
							| 
								
							 | 
							
								set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
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							 | 
						
						
						
							| 
								
							 | 
							
								# Config options
							 | 
						
						
						
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							 | 
							
								option(BUILD_EXAMPLES "Build the examples." ON)
							 | 
						
						
						
							| 
								
							 | 
							
								option(BUILD_GAMES "Build the example games." ON)
							 | 
						
						
						
							| 
								
							 | 
							
								option(ENABLE_ASAN  "Enable AddressSanitizer (ASAN) for debugging (degrades performance)" OFF)
							 | 
						
						
						
							| 
								
							 | 
							
								option(ENABLE_UBSAN "Enable UndefinedBehaviorSanitizer (UBSan) for debugging" OFF)
							 | 
						
						
						
							| 
								
							 | 
							
								option(ENABLE_MSAN "Enable MemorySanitizer (MSan) for debugging (not recommended to run with ASAN)" OFF)
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								if(CMAKE_VERSION VERSION_LESS "3.1")
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							| 
								
							 | 
							
								  if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
							 | 
						
						
						
							| 
								
							 | 
							
								    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()
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								include(AddIfFlagCompiles)
							 | 
						
						
						
							| 
								
							 | 
							
								add_if_flag_compiles(-Werror=pointer-arith CMAKE_C_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								add_if_flag_compiles(-Werror=implicit-function-declaration CMAKE_C_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								# src/external/jar_xm.h does shady stuff
							 | 
						
						
						
							| 
								
							 | 
							
								add_if_flag_compiles(-fno-strict-aliasing CMAKE_C_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								include(CheckFileSystemSymlinkSupport)
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								if (ENABLE_ASAN)
							 | 
						
						
						
							| 
								
							 | 
							
								    add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								    add_if_flag_compiles(-fsanitize=address CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								endif()
							 | 
						
						
						
							| 
								
							 | 
							
								if (ENABLE_UBSAN)
							 | 
						
						
						
							| 
								
							 | 
							
								    add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								    add_if_flag_compiles(-fsanitize=undefined CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								endif()
							 | 
						
						
						
							| 
								
							 | 
							
								if (ENABLE_MSAN)
							 | 
						
						
						
							| 
								
							 | 
							
								    add_if_flag_compiles(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								    add_if_flag_compiles(-fsanitize=memory CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
							 | 
						
						
						
							| 
								
							 | 
							
								endif()
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								if (ENABLE_MSAN AND ENABLE_ASAN)
							 | 
						
						
						
							| 
								
							 | 
							
								    MESSAGE(WARNING "Compiling with both AddressSanitizer and MemorySanitizer is not recommended")
							 | 
						
						
						
							| 
								
							 | 
							
								endif()
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								add_subdirectory(src)
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								if (${BUILD_EXAMPLES})
							 | 
						
						
						
							| 
								
							 | 
							
								  add_subdirectory(examples)
							 | 
						
						
						
							| 
								
							 | 
							
								endif()
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								if (${BUILD_GAMES})
							 | 
						
						
						
							| 
								
							 | 
							
								  add_subdirectory(games)
							 | 
						
						
						
							| 
								
							 | 
							
								endif()
							 | 
						
						
						
							| 
								
							 | 
							
								
							 | 
						
						
						
							| 
								
							 | 
							
								enable_testing()
							 |