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cmake_minimum_required(VERSION 3.10)
project(videogame)
set(CMAKE_CXX_COMPILER "clang++")
set(CMAKE_CXX_STANDARD 17)
file(GLOB_RECURSE SRC_FILES ./src/*.cpp ./src/game/*.cpp ./src/util/config/*.cpp)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
if(UNIX)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/build)
else()
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
endif()
add_executable(app ${SRC_FILES})
find_package(PkgConfig REQUIRED)
pkg_check_modules(SDL2 REQUIRED sdl2)
pkg_check_modules(FREETYPE REQUIRED freetype2)
pkg_check_modules(GLEW REQUIRED glew)
find_package(OpenGL REQUIRED)
# release build settings
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-nontrivial-memcall")
# debug build settings
if(WIN32)
set(CMAKE_CXX_FLAGS_DEBUG "-g -DDEBUG=1 -Wno-nontrivial-memcall")
else()
set(CMAKE_CXX_FLAGS_DEBUG "-g -DDEBUG=1 -fsanitize=address -Wno-nontrivial-memcall")
endif()
# Platform-specific linking
if(WIN32)
function(resolve_static_archives OUT_VAR LIB_DIRS_VAR LIBS_VAR)
set(_resolved "")
foreach(_lib IN LISTS ${LIBS_VAR})
if(IS_ABSOLUTE "${_lib}")
set(_archive_path "${_lib}")
else()
if(_lib MATCHES "^-")
message(FATAL_ERROR "Unexpected link flag in static library list: ${_lib}")
endif()
find_file(
_archive_path
NAMES "lib${_lib}.a" "${_lib}.a"
PATHS ${${LIB_DIRS_VAR}}
NO_DEFAULT_PATH
)
if(NOT _archive_path)
message(FATAL_ERROR "Could not find static archive for '${_lib}' in: ${${LIB_DIRS_VAR}}")
endif()
endif()
string(TOLOWER "${_archive_path}" _archive_path_lower)
if(NOT _archive_path_lower MATCHES "\\.a$" OR _archive_path_lower MATCHES "\\.dll\\.a$")
message(FATAL_ERROR "Expected static archive (.a), got: ${_archive_path}")
endif()
list(APPEND _resolved "${_archive_path}")
unset(_archive_path CACHE)
endforeach()
set(${OUT_VAR} "${_resolved}" PARENT_SCOPE)
endfunction()
set(SDL2_INCLUDE_DIRS ${SDL2_STATIC_INCLUDE_DIRS})
set(FREETYPE_INCLUDE_DIRS ${FREETYPE_STATIC_INCLUDE_DIRS})
set(GLEW_INCLUDE_DIRS ${GLEW_STATIC_INCLUDE_DIRS})
resolve_static_archives(
SDL2_LIBRARIES
SDL2_STATIC_LIBRARY_DIRS
SDL2_STATIC_LIBRARIES
)
resolve_static_archives(
FREETYPE_LIBRARIES
FREETYPE_STATIC_LIBRARY_DIRS
FREETYPE_STATIC_LIBRARIES
)
resolve_static_archives(
GLEW_LIBRARIES
GLEW_STATIC_LIBRARY_DIRS
GLEW_STATIC_LIBRARIES
)
set(CXX_STDLIB_LIBRARY_DIRS
${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES}
${SDL2_STATIC_LIBRARY_DIRS}
)
set(CXX_STDLIB_LIBRARY_NAMES c++ c++abi unwind)
resolve_static_archives(
CXX_STDLIB_LIBRARIES
CXX_STDLIB_LIBRARY_DIRS
CXX_STDLIB_LIBRARY_NAMES
)
foreach(APP_LINK_OPTION IN LISTS SDL2_STATIC_LDFLAGS_OTHER FREETYPE_STATIC_LDFLAGS_OTHER GLEW_STATIC_LDFLAGS_OTHER)
if(NOT APP_LINK_OPTION STREQUAL "")
set_property(TARGET app APPEND_STRING PROPERTY LINK_FLAGS " ${APP_LINK_OPTION}")
endif()
endforeach()
target_compile_definitions(app PRIVATE GLEW_STATIC)
target_link_libraries(app PRIVATE
${SDL2_LIBRARIES}
${FREETYPE_LIBRARIES}
${GLEW_LIBRARIES}
${CXX_STDLIB_LIBRARIES}
${OPENGL_LIBRARIES}
winmm # For timeGetDevCaps, timeBeginPeriod, timeEndPeriod
)
else()
target_link_libraries(app PRIVATE
${SDL2_LIBRARIES}
${FREETYPE_LIBRARIES}
${GLEW_LIBRARIES}
${OPENGL_LIBRARIES}
)
endif()
target_include_directories(app PRIVATE
${SDL2_INCLUDE_DIRS}
${FREETYPE_INCLUDE_DIRS}
${GLEW_INCLUDE_DIRS}
${OPENGL_INCLUDE_DIR}
)
target_compile_options(app PRIVATE -Wall)
target_compile_options(app PRIVATE -Wno-nontrivial-memcall)
add_custom_target(debug
COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Debug ${CMAKE_BINARY_DIR}
COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Building ~~**DEBUG**~~"
)
add_custom_target(release
COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Release ${CMAKE_BINARY_DIR}
COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Building ~~**RELEASE**~~"
)
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