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raylib/CMakeLists.txt

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CMake
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CMake based build system. Some people might find this handly
2017-07-23 02:45:36 +03:00
cmake_minimum_required(VERSION 3.0)
# Config options
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
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)
CMake based build system. Some people might find this handly
2017-07-23 02:45:36 +03:00
CMake: Explicitly ask for C99 support Otherwise using a compiler that defaults to -std=c89 or -std=gnu89 will fail. Example: http://www.cpantesters.org/cpan/report/abb85066-d283-11e7-9926-b2f4efb9c382 Apparently, -m32 Travis CI build was broken: -m32 was overridden by -std=gnu99. This fixes that.
2017-11-27 03:24:08 +03:00
if(CMAKE_VERSION VERSION_LESS "3.1")
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(CMAKE_C_FLAGS "-std=gnu99 ${CMAKE_C_FLAGS}")
endif()
else()
set (CMAKE_C_STANDARD 99)
endif()
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
GCC/Clang: Treat void pointer arithmetic as error As an extension, GNU C treats sizeof(void) as 1. MSVC doesn't. Make it an error on GCC/Clang to avoid accidental MSVC breakage.
2018-01-18 15:22:41 +03:00
include(CheckCCompilerFlag)
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
function(add_if_flag_works flag)
CHECK_C_COMPILER_FLAG("${flag}" COMPILER_HAS_THOSE_TOGGLES)
Make function calls without prior declaration an error which is the default behavior on C99 and up.
2018-01-26 00:34:29 +03:00
set(outcome "Failed")
if(COMPILER_HAS_THOSE_TOGGLES)
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
foreach(var ${ARGN})
set(${var} "${flag} ${${var}}" PARENT_SCOPE)
endforeach()
Make function calls without prior declaration an error which is the default behavior on C99 and up.
2018-01-26 00:34:29 +03:00
set(outcome "works")
endif()
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
message(STATUS "Testing if ${flag} can be used -- ${outcome}")
endfunction()
Make function calls without prior declaration an error which is the default behavior on C99 and up.
2018-01-26 00:34:29 +03:00
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
add_if_flag_works(-Werror=pointer-arith CMAKE_C_FLAGS)
add_if_flag_works(-Werror=implicit-function-declaration CMAKE_C_FLAGS)
jar_xm: Workaround for unaligned pointer accesses jar_xm.h does some shady pointer casts leading to unaligned accesses and breaking strict aliasing. x86 has special circuitry for doing unaligned accesses, but on other architectures, it may trap and require kernel fix-up or crash outright. With this patch, one obstacle in porting raylib to the GameBoy Advance has been removed. Go for it ;-) To avoid having to rewrite that `mempool' code, insert padding before structs and instruct the compiler (GCC, most importantly), to be gentle when optimizing. This fixes #490 (Unless we got ourselves 256-bit pointers, if so, hello future!)
2018-02-25 01:46:27 +03:00
# src/external/jar_xm.h does shady stuff
add_if_flag_works(-fno-strict-aliasing CMAKE_C_FLAGS)
CMake: Add options to use -fsanitize={address,undefined} To make bugs like #485, #486, #487 and #488 easier to find in future.
2018-02-24 17:26:13 +03:00
if (ENABLE_ASAN)
add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
add_if_flag_works(-fsanitize=address CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
endif()
if (ENABLE_UBSAN)
add_if_flag_works(-fno-omit-frame-pointer CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
add_if_flag_works(-fsanitize=undefined CMAKE_C_FLAGS CMAKE_LINKER_FLAGS)
endif()
CMake: Explicitly ask for C99 support Otherwise using a compiler that defaults to -std=c89 or -std=gnu89 will fail. Example: http://www.cpantesters.org/cpan/report/abb85066-d283-11e7-9926-b2f4efb9c382 Apparently, -m32 Travis CI build was broken: -m32 was overridden by -std=gnu99. This fixes that.
2017-11-27 03:24:08 +03:00
CMake based build system. Some people might find this handly
2017-07-23 02:45:36 +03:00
add_subdirectory(src release)
if (${BUILD_EXAMPLES})
add_subdirectory(examples)
endif()
if (${BUILD_GAMES})
add_subdirectory(games)
endif()