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Connor McLaughlin
2019-09-09 17:01:26 +10:00
commit 2149ab4d69
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110
CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.10)
project(pse C CXX)
# Options
option(ENABLE_OPENGL "Enables OpenGL support in renderer" ON)
option(ENABLE_SDL_FRONTEND "Compiles the SDL frontend" ON)
# Common include/library directories on Windows.
if(WIN32)
if ("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
link_directories("${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/lib64-debug")
else()
link_directories("${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/lib32-debug")
endif()
else()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
link_directories("${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/lib64")
else()
link_directories("${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/lib32")
endif()
endif()
if(ENABLE_SDL_FRONTEND)
set(SDL2_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/include/SDL")
set(SDL2_LIBRARIES "SDL2")
endif()
else()
if(ENABLE_SDL_FRONTEND)
find_package(SDL2 REQUIRED)
endif()
endif()
# Set _DEBUG macro for Debug builds.
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
# Release build optimizations for MSVC.
if(MSVC)
add_definitions("/D_CRT_SECURE_NO_WARNINGS")
foreach(config CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
# Set warning level 3 instead of 4.
string(REPLACE "/W3" "/W4" ${config} "${${config}}")
# Enable intrinsic functions, disable minimal rebuild.
set(${config} "${${config}} /Oi /Gm-")
endforeach()
# RelWithDebInfo is set to Ob1 instead of Ob2.
string(REPLACE "/Ob1" "/Ob2" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Ob1" "/Ob2" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
# Disable incremental linking in RelWithDebInfo.
string(REPLACE "/INCREMENTAL" "/INCREMENTAL:NO" CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
# COMDAT folding/remove unused functions.
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /OPT:REF /OPT:ICF")
set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /OPT:REF /OPT:ICF")
endif()
# Detect C++ version support.
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-Wall" COMPILER_SUPPORTS_WALL)
if(COMPILER_SUPPORTS_WALL)
message("Enabling -Wall")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-switch")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-switch -Wno-class-memaccess -Wno-invalid-offsetof")
endif()
# Detect processor type.
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
set(CPU_ARCH "x64")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
# MSVC x86/x64
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(CPU_ARCH "x64")
else()
set(CPU_ARCH "x86")
endif()
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i386" OR
${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i686")
set(CPU_ARCH "x86")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
set(CPU_ARCH "aarch64")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm")
set(CPU_ARCH "arm")
else()
message(FATAL_ERROR "Unknown system processor: " ${CMAKE_SYSTEM_PROCESSOR})
endif()
# Enable threads everywhere.
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
# Recursively include the source tree.
enable_testing()
add_subdirectory(dep)
add_subdirectory(src)