153 lines
5 KiB
CMake
153 lines
5 KiB
CMake
cmake_minimum_required(VERSION 3.7.2)
|
|
|
|
if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
|
|
cmake_policy(SET CMP0069 NEW)
|
|
endif()
|
|
|
|
option(LTO "Enable link-time optimisation" OFF)
|
|
option(NATIVE_OPTIMIZATIONS "Enable processor-specific optimisations (executable might not work on other architectures) (GCC-compatible compilers only)" OFF)
|
|
|
|
option(WARNINGS "Enable common compiler warnings (for gcc-compatible compilers and MSVC only)" OFF)
|
|
option(WARNINGS_ALL "Enable ALL compiler warnings (for clang and MSVC only)" OFF)
|
|
option(WARNINGS_FATAL "Stop compilation on any compiler warning (for gcc-compatible compilers and MSVC only)" OFF)
|
|
|
|
project(bin2h LANGUAGES C)
|
|
|
|
add_executable(bin2h "bin2h.c")
|
|
|
|
set_target_properties(bin2h PROPERTIES
|
|
C_STANDARD 90
|
|
C_STANDARD_REQUIRED ON
|
|
C_EXTENSIONS OFF
|
|
)
|
|
|
|
message(STATUS "Compiler ID : ${CMAKE_C_COMPILER_ID}")
|
|
|
|
# Has to be placed after "project()"
|
|
if (CMAKE_C_COMPILER_ID MATCHES "Clang")
|
|
# Using Clang (this is a match so that we also get "AppleClang" which is the Apple-provided Clang
|
|
set(COMPILER_IS_CLANG true)
|
|
message(STATUS "Compiling with clang")
|
|
endif()
|
|
|
|
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
|
|
# Using GCC
|
|
set(COMPILER_IS_GCC true)
|
|
message(STATUS "Compiling with gcc")
|
|
endif()
|
|
|
|
if (CMAKE_C_COMPILER_ID STREQUAL "Intel")
|
|
# Using Intel C++
|
|
set(COMPILER_IS_ICC true)
|
|
message(STATUS "Compiling with ICC")
|
|
endif()
|
|
|
|
if (COMPILER_IS_CLANG OR COMPILER_IS_GCC OR COMPILER_IS_ICC)
|
|
set(COMPILER_IS_GCC_COMPATIBLE true)
|
|
message(STATUS "Compiling with a GCC-compatible compiler")
|
|
endif()
|
|
|
|
if (WARNINGS)
|
|
# HACK : Replace this with CMake provided stuff when possible (when CMake makes avoiding this possible (it isn't currently))
|
|
|
|
if (MSVC)
|
|
# Force to always compile with /W4 on MSVC
|
|
|
|
# Can't do this with target_compile_options
|
|
# if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
|
# string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
# else()
|
|
# target_compile_options(bin2h PRIVATE /W4)
|
|
# endif()
|
|
|
|
target_compile_options(bin2h PRIVATE /W4)
|
|
elseif(COMPILER_IS_GCC_COMPATIBLE)
|
|
target_compile_options(bin2h PRIVATE -Wall -Wextra -pedantic)
|
|
else()
|
|
message(WARNING "Could not activate warnings ! (Unsupported compiler)")
|
|
endif()
|
|
endif()
|
|
|
|
if (WARNINGS_ALL)
|
|
# HACK : Replace this with CMake provided stuff when possible (when CMake makes avoiding this possible (it isn't currently))
|
|
|
|
if (MSVC)
|
|
# Force to always compile with /Wall on MSVC
|
|
|
|
# Can't do this with target_compile_options
|
|
# if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
|
# string(REGEX REPLACE "/W[0-4]" "/Wall" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
# else()
|
|
# target_compile_options(bin2h PRIVATE /Wall)
|
|
# endif()
|
|
|
|
target_compile_options(bin2h PRIVATE /Wall)
|
|
elseif(COMPILER_IS_CLANG)
|
|
target_compile_options(bin2h PRIVATE -Weverything)
|
|
else()
|
|
message(WARNING "Could not activate all warnings ! (Unsupported compiler)")
|
|
endif()
|
|
endif()
|
|
|
|
if (WARNINGS_FATAL)
|
|
# HACK : Replace this with CMake provided stuff when possible (when CMake makes avoiding this possible (it isn't currently))
|
|
|
|
if (MSVC)
|
|
target_compile_options(bin2h PRIVATE /WX)
|
|
elseif(COMPILER_IS_GCC_COMPATIBLE)
|
|
target_compile_options(bin2h PRIVATE -Werror)
|
|
else()
|
|
message(WARNING "Could not activate fatal warnings ! (Unsupported compiler)")
|
|
endif()
|
|
endif()
|
|
|
|
# MSVC tweak
|
|
if(MSVC)
|
|
target_compile_definitions(bin2h PRIVATE _CRT_SECURE_NO_WARNINGS) # Disable warnings that normally fire up on MSVC when using "unsafe" functions instead of using MSVC's "safe" _s functions
|
|
endif()
|
|
|
|
# Make it so source files are recognized as UTF-8 by MSVC
|
|
add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
|
|
|
|
# Enable link-time optimisation if available
|
|
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
|
|
if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
|
|
include(CheckIPOSupported)
|
|
check_ipo_supported(RESULT result)
|
|
if(result)
|
|
set_target_properties(bin2h PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
# Enable link-time optimisation if available
|
|
if(LTO)
|
|
if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
|
|
include(CheckIPOSupported)
|
|
check_ipo_supported(RESULT result)
|
|
if(result)
|
|
set_target_properties(bin2h PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
# Enable -march=native if available
|
|
if(NATIVE_OPTIMIZATIONS)
|
|
include(CheckCXXCompilerFlag)
|
|
CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE) # GCC flag
|
|
if(COMPILER_SUPPORTS_MARCH_NATIVE)
|
|
target_compile_options(bin2h PRIVATE -march=native)
|
|
else()
|
|
CHECK_CXX_COMPILER_FLAG("-xHost" COMPILER_SUPPORTS_XHOST) # ICC (Linux) flag
|
|
CHECK_CXX_COMPILER_FLAG("/QxHost" COMPILER_SUPPORTS_QXHOST) # ICC (Windows) flag
|
|
if(COMPILER_SUPPORTS_XHOST)
|
|
target_compile_options(bin2h PRIVATE -xHost)
|
|
elseif(COMPILER_SUPPORTS_QXHOST)
|
|
target_compile_options(bin2h PRIVATE /QxHost)
|
|
else()
|
|
message(WARNING "Couldn't activate native optimizations ! (Unsupported compiler)")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
install(TARGETS bin2h RUNTIME DESTINATION bin)
|