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Update CMakeLists.txt

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This commit is contained in:
Sandu Liviu Catalin 2021-02-01 01:49:03 +02:00
parent 2a719c18c2
commit 8df5f03d7b
1 changed files with 74 additions and 69 deletions
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143
CMakeLists.txt
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@ -10,95 +10,100 @@ option(ENABLE_API21 "Build for 2.1 API." OFF)
option(FORCE_32BIT_BIN "Create a 32-bit executable binary if the compiler defaults to 64-bit." OFF)
# This option should only be available in certain conditions
if(WIN32 AND MINGW)
option(COPY_DEPENDENCIES "Copy deppendent DLLs into the deps folder." OFF)
option(COPY_DEPENDENCIES "Copy deppendent DLLs into the deps folder." OFF)
endif()
# C++14 is mandatory
set(CPP_STD_NUMBER 14)
include(CheckCXXCompilerFlag)
# C++ standard availability check
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
check_cxx_compiler_flag(-std=c++20 HAVE_FLAG_STD_CXX20)
check_cxx_compiler_flag(-std=c++2a HAVE_FLAG_STD_CXX2A)
if(HAVE_FLAG_STD_CXX20 OR HAVE_FLAG_STD_CXX2A)
# We can use C++20
set(CPP_STD_NUMBER 20)
# Specific flags
if (HAVE_FLAG_STD_CXX2A AND NOT HAVE_FLAG_STD_CXX20)
set(CPP_STD_COMPILER_FLAG "-std=c++20")
else()
set(CPP_STD_COMPILER_FLAG "-std=c++2a")
endif()
# Need these workarounds for older CMake
if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
endif()
else()
check_cxx_compiler_flag(-std=c++17 HAVE_FLAG_STD_CXX17)
check_cxx_compiler_flag(-std=c++1z HAVE_FLAG_STD_CXX1Z)
if(HAVE_FLAG_STD_CXX17 OR HAVE_FLAG_STD_CXX1Z)
# We can use C++17
set(CPP_STD_NUMBER 17)
# Specific flags
if (HAVE_FLAG_STD_CXX17 AND NOT HAVE_FLAG_STD_CXX1Z)
set(CPP_STD_COMPILER_FLAG "-std=c++17")
else()
set(CPP_STD_COMPILER_FLAG "-std=c++1z")
endif()
# Need these workarounds for older CMake
if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17")
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
endif()
else()
# C++14 is mandatory
set(CPP_STD_NUMBER 14)
# Specific flags
set(CPP_STD_COMPILER_FLAG "-std=c++14")
endif()
endif()
if(${CMAKE_CXX_COMPILER_ID} MATCHES "(GNU)+")
# Specific flags
set(CPP_STD_COMPILER_FLAG "-std=c++14")
# Don't even bother with previous version
if(CPP_STD_NUMBER LESS 20 AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
check_cxx_compiler_flag(-std=c++20 HAVE_FLAG_STD_CXX20)
check_cxx_compiler_flag(-std=c++2a HAVE_FLAG_STD_CXX2A)
if(HAVE_FLAG_STD_CXX20 OR HAVE_FLAG_STD_CXX2A)
# We can use C++20
set(CPP_STD_NUMBER 20)
# Specific flags
if (HAVE_FLAG_STD_CXX2A AND NOT HAVE_FLAG_STD_CXX20)
set(CPP_STD_COMPILER_FLAG "-std=c++2a")
else()
set(CPP_STD_COMPILER_FLAG "-std=c++20")
endif()
# Need these workarounds for older CMake
if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
endif()
endif()
endif()
# Don't even bother with previous version
if(CPP_STD_NUMBER LESS 17 AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
check_cxx_compiler_flag(-std=c++17 HAVE_FLAG_STD_CXX17)
check_cxx_compiler_flag(-std=c++1z HAVE_FLAG_STD_CXX1Z)
if(HAVE_FLAG_STD_CXX17 OR HAVE_FLAG_STD_CXX1Z)
# We can use C++17
set(CPP_STD_NUMBER 17)
# Specific flags
if (HAVE_FLAG_STD_CXX1Z AND NOT HAVE_FLAG_STD_CXX17)
set(CPP_STD_COMPILER_FLAG "-std=c++1z")
else()
set(CPP_STD_COMPILER_FLAG "-std=c++17")
endif()
# Need these workarounds for older CMake
if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17")
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
endif()
endif()
endif()
else()
# C++14 is mandatory
set(CPP_STD_NUMBER 14)
# C++14 is mandatory
set(CPP_STD_NUMBER 14)
endif()
message(STATUS "SqMod: Using C++${CPP_STD_NUMBER} standard.")
# Default to the identified standard
if(CMAKE_VERSION VERSION_LESS "3.1")
if(${CMAKE_CXX_COMPILER_ID} MATCHES "(GNU)+")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CPP_STD_COMPILER_FLAG}")
endif()
if(${CMAKE_CXX_COMPILER_ID} MATCHES "(GNU)+")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CPP_STD_COMPILER_FLAG}")
endif()
else()
# Apparently the above does not work with cmake from on debian 8
if(${CMAKE_CXX_COMPILER_ID} MATCHES "(GNU)+")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CPP_STD_COMPILER_FLAG}")
endif()
# F* you too Debian. What can I say.
if(CMAKE_VERSION VERSION_LESS "3.8.0" AND CPP_STD_NUMBER LESS 17)
# Try the standard method as well
set(CMAKE_CXX_STANDARD ${CPP_STD_NUMBER})
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
# Apparently the above does not work with cmake from on debian 8
if(${CMAKE_CXX_COMPILER_ID} MATCHES "(GNU)+")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CPP_STD_COMPILER_FLAG}")
endif()
# F* you too Debian. What can I say.
if(CMAKE_VERSION VERSION_LESS "3.8.0" AND CPP_STD_NUMBER LESS 17)
# Try the standard method as well
set(CMAKE_CXX_STANDARD ${CPP_STD_NUMBER})
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
endif()
# Determine if build mode
if(${CMAKE_BUILD_TYPE} MATCHES "(Debug)+")
add_compile_options(-g)
add_compile_options(-g)
endif()
# Enable position independent code
if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
# Include vendor libraries