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CMakeLists.txt
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cmake_minimum_required(VERSION 3.18.0)
project(GLFM C)
option(GLFM_BUILD_EXAMPLES "Build the GLFM examples" OFF)
option(GLFM_USE_CLANG_TIDY "Use Clang Tidy when building (Android and Emscripten only)" OFF)
set(GLFM_HEADERS include/glfm.h)
if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(GLFM_SRC src/glfm_internal.h src/glfm_emscripten.c)
set(GLFM_COMPILE_OPTIONS -Wno-gnu-zero-variadic-macro-arguments -Wno-dollar-in-identifier-extension
-Wno-c23-extensions -Wno-pre-c11-compat)
elseif (CMAKE_SYSTEM_NAME STREQUAL "Android")
set(GLFM_SRC src/glfm_internal.h src/glfm_android.c)
elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
if (${CMAKE_OSX_SYSROOT} MATCHES "(MacOS)+")
set(CMAKE_OSX_SYSROOT "iphoneos")
endif()
set(GLFM_SRC src/glfm_internal.h src/glfm_apple.m)
set(GLFM_COMPILE_OPTIONS -Wno-auto-import -Wno-direct-ivar-access)
else()
message(FATAL_ERROR "CMAKE_SYSTEM_NAME ('${CMAKE_SYSTEM_NAME}') expected to be Darwin, Emscripten, or Android")
endif()
if (GLFM_USE_CLANG_TIDY)
# Android target: use clang-tidy from NDK.
# Emscripten target: use clang-tidy on the host system.
# On macOS host, try: $(brew --prefix llvm)/bin/clang-tidy
find_program(CLANG_TIDY_EXECUTABLE clang-tidy)
if ((NOT CLANG_TIDY_EXECUTABLE) AND (CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin"))
execute_process(
COMMAND brew --prefix llvm
RESULT_VARIABLE BREW_LLVM
OUTPUT_VARIABLE BREW_LLVM_PREFIX
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (BREW_LLVM EQUAL 0 AND EXISTS "${BREW_LLVM_PREFIX}")
set(CLANG_TIDY_EXECUTABLE "${BREW_LLVM_PREFIX}/bin/clang-tidy")
endif()
endif()
if (NOT CLANG_TIDY_EXECUTABLE)
message(WARNING "GLFM_USE_CLANG_TIDY=ON but clang-tidy not found")
else()
if (CMAKE_SYSTEM_NAME STREQUAL "Android")
set(CMAKE_C_CLANG_TIDY ${CLANG_TIDY_EXECUTABLE}
--config-file=${PROJECT_SOURCE_DIR}/tests/clang-tidy-analyze.yml)
elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
message(WARNING "GLFM_USE_CLANG_TIDY=ON but clang-tidy not functional with Xcode generator")
elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(CMAKE_C_USE_RESPONSE_FILE_FOR_INCLUDES 0)
set(CMAKE_C_CLANG_TIDY ${CLANG_TIDY_EXECUTABLE}
--config-file=${PROJECT_SOURCE_DIR}/tests/clang-tidy-analyze.yml
--extra-arg=--target=wasm32
--extra-arg=-D__EMSCRIPTEN__
--extra-arg=-isystem${EMSCRIPTEN_ROOT_PATH}/cache/sysroot/include)
endif()
endif()
endif()
add_library(glfm ${GLFM_SRC} ${GLFM_HEADERS})
target_include_directories(glfm PUBLIC include)
target_include_directories(glfm PRIVATE src)
source_group(include FILES ${GLFM_HEADERS})
source_group(src FILES ${GLFM_SRC})
set_target_properties(glfm PROPERTIES C_STANDARD 11)
if (CMAKE_C_COMPILER_ID MATCHES "Clang")
# Disable the -Wunsafe-buffer-usage warning because it reports false positives when bounds checking arrays, and
# there appears to be no solution for C pointers.
set_property(TARGET glfm PROPERTY COMPILE_OPTIONS -Weverything -Wwrite-strings -Wno-unknown-warning-option
-Wno-padded -Wno-covered-switch-default -Wno-declaration-after-statement -Wno-unsafe-buffer-usage
-Wno-missing-include-dirs
${GLFM_COMPILE_OPTIONS})
elseif (CMAKE_C_COMPILER_ID MATCHES "GNU")
set_property(TARGET glfm PROPERTY COMPILE_OPTIONS -Wall -Wextra -Wpedantic -Wwrite-strings ${GLFM_COMPILE_OPTIONS})
elseif (CMAKE_C_COMPILER_ID MATCHES "MSVC")
set_property(TARGET glfm PROPERTY COMPILE_OPTIONS /Wall ${GLFM_COMPILE_OPTIONS})
endif()
if (CMAKE_SYSTEM_NAME STREQUAL "Android")
find_library(log-lib log)
find_library(android-lib android)
find_library(EGL-lib EGL)
find_library(GLESv2-lib GLESv2)
target_link_libraries(glfm ${log-lib} ${android-lib} ${EGL-lib} ${GLESv2-lib})
elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
target_compile_definitions(glfm PRIVATE GLES_SILENCE_DEPRECATION)
set_target_properties(glfm PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/GLFM.build/lib # For Archiving
XCODE_ATTRIBUTE_SUPPORTED_PLATFORMS "iphoneos iphonesimulator appletvos appletvsimulator macosx"
XCODE_ATTRIBUTE_IPHONEOS_DEPLOYMENT_TARGET 11.0 # Minimum supported by Xcode 14
XCODE_ATTRIBUTE_TVOS_DEPLOYMENT_TARGET 11.0 # Minimum supported by Xcode 14
XCODE_ATTRIBUTE_MACOSX_DEPLOYMENT_TARGET 10.13 # Minimum supported by Xcode 14
XCODE_ATTRIBUTE_CLANG_ENABLE_MODULES YES # Automatically import frameworks
# Override default warnings in Xcode because using "-Weverything" does not.
# CMake 3.25.1, Xcode 14.2.
XCODE_ATTRIBUTE_CLANG_WARN_ASSIGN_ENUM YES
XCODE_ATTRIBUTE_CLANG_WARN_ATOMIC_IMPLICIT_SEQ_CST YES
XCODE_ATTRIBUTE_CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING YES
XCODE_ATTRIBUTE_CLANG_WARN_BOOL_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_COMMA YES
XCODE_ATTRIBUTE_CLANG_WARN_COMPLETION_HANDLER_MISUSE YES
XCODE_ATTRIBUTE_CLANG_WARN_CONSTANT_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_CXX0X_EXTENSIONS YES
XCODE_ATTRIBUTE_CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS YES
XCODE_ATTRIBUTE_CLANG_WARN_DIRECT_OBJC_ISA_USAGE YES_ERROR
XCODE_ATTRIBUTE_CLANG_WARN_DOCUMENTATION_COMMENTS YES
XCODE_ATTRIBUTE_CLANG_WARN_EMPTY_BODY YES
XCODE_ATTRIBUTE_CLANG_WARN_ENUM_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_FLOAT_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_FRAMEWORK_INCLUDE_PRIVATE_FROM_PUBLIC YES
XCODE_ATTRIBUTE_CLANG_WARN_IMPLICIT_FALLTHROUGH YES
XCODE_ATTRIBUTE_CLANG_WARN_IMPLICIT_SIGN_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_INFINITE_RECURSION YES
XCODE_ATTRIBUTE_CLANG_WARN_INT_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_NON_LITERAL_NULL_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_EXPLICIT_OWNERSHIP_TYPE YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_IMPLICIT_ATOMIC_PROPERTIES YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_INTERFACE_IVARS YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_LITERAL_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK YES
XCODE_ATTRIBUTE_CLANG_WARN_OBJC_ROOT_CLASS YES_ERROR
XCODE_ATTRIBUTE_CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER YES
XCODE_ATTRIBUTE_CLANG_WARN_RANGE_LOOP_ANALYSIS YES
XCODE_ATTRIBUTE_CLANG_WARN_SEMICOLON_BEFORE_METHOD_BODY YES
XCODE_ATTRIBUTE_CLANG_WARN_STRICT_PROTOTYPES YES
XCODE_ATTRIBUTE_CLANG_WARN_SUSPICIOUS_IMPLICIT_CONVERSION YES
XCODE_ATTRIBUTE_CLANG_WARN_SUSPICIOUS_MOVE YES
XCODE_ATTRIBUTE_CLANG_WARN_UNGUARDED_AVAILABILITY YES_AGGRESSIVE
XCODE_ATTRIBUTE_CLANG_WARN_UNREACHABLE_CODE YES
XCODE_ATTRIBUTE_CLANG_WARN__ARC_BRIDGE_CAST_NONARC YES
XCODE_ATTRIBUTE_CLANG_WARN__DUPLICATE_METHOD_MATCH YES
XCODE_ATTRIBUTE_CLANG_WARN__EXIT_TIME_DESTRUCTORS YES
XCODE_ATTRIBUTE_GCC_WARN_64_TO_32_BIT_CONVERSION YES_ERROR
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS YES
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_INVALID_OFFSETOF_MACRO YES
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS YES
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_NEWLINE YES
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_PROTOTYPES YES
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_POINTER_SIGNEDNESS YES
XCODE_ATTRIBUTE_GCC_WARN_ABOUT_RETURN_TYPE YES_ERROR
XCODE_ATTRIBUTE_GCC_WARN_ALLOW_INCOMPLETE_PROTOCOL YES
XCODE_ATTRIBUTE_GCC_WARN_CHECK_SWITCH_STATEMENTS YES
XCODE_ATTRIBUTE_GCC_WARN_FOUR_CHARACTER_CONSTANTS YES
XCODE_ATTRIBUTE_GCC_WARN_HIDDEN_VIRTUAL_FUNCTIONS YES
XCODE_ATTRIBUTE_GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED YES
XCODE_ATTRIBUTE_GCC_WARN_MISSING_PARENTHESES YES
XCODE_ATTRIBUTE_GCC_WARN_NON_VIRTUAL_DESTRUCTOR YES
XCODE_ATTRIBUTE_GCC_WARN_SHADOW YES
XCODE_ATTRIBUTE_GCC_WARN_SIGN_COMPARE YES
XCODE_ATTRIBUTE_GCC_WARN_STRICT_SELECTOR_MATCH YES
XCODE_ATTRIBUTE_GCC_WARN_TYPECHECK_CALLS_TO_PRINTF YES
XCODE_ATTRIBUTE_GCC_WARN_UNDECLARED_SELECTOR YES
XCODE_ATTRIBUTE_GCC_WARN_UNINITIALIZED_AUTOS YES_AGGRESSIVE
XCODE_ATTRIBUTE_GCC_WARN_UNKNOWN_PRAGMAS YES
XCODE_ATTRIBUTE_GCC_WARN_UNUSED_FUNCTION YES
XCODE_ATTRIBUTE_GCC_WARN_UNUSED_LABEL YES
XCODE_ATTRIBUTE_GCC_WARN_UNUSED_PARAMETER YES
XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VALUE YES
XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VARIABLE YES
)
endif()
if (GLFM_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()