85 lines
2.8 KiB
CMake
85 lines
2.8 KiB
CMake
cmake_minimum_required(VERSION 3.21)
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cmake_policy(SET CMP0091 NEW)
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project("spacegame"
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VERSION 0.2.2
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DESCRIPTION "Blocky spacegame by crydsch@lph.zone"
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LANGUAGES CXX
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)
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -ggdb")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O0 -ggdb")
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# Enable compiler warnings
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set(SPACEGAME_COMPILER_WARNINGS
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-Wall -Wextra -pedantic
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-Wcast-align -Wcast-qual -Wformat=2 -Winit-self -Wmissing-declarations
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-Wmissing-include-dirs -Wredundant-decls -Wswitch-default
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-Wundef -Wctor-dtor-privacy
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)
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# Enable compile_commands.json generation for other tools
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
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if(NOT EXISTS /spacegame_deps)
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message(FATAL_ERROR "'/spacegame_deps' not found!\nYou need to build the required dependecies first.\nSee 'scripts/build_deps.sh'")
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else()
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# Search for our pre-built dependencies first
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set(CMAKE_PREFIX_PATH /spacegame_deps)
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endif()
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list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
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# Note: shaderc must be run on the host system
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option(SPACEGAME_BUILD_SHADERS "Use shaderc to build spirv shaders" OFF)
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################ dependencies ################
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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find_package(glfw3 REQUIRED)
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# This finds import libraries: bgfx::bgfx, bgfx::bx and bgfx::bimg
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# Linking with these will bring: include dirs, compiler options, compiler defs, link libraries
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find_package(bgfx REQUIRED)
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# bgfx::bgfx wrongly links with: OpenGL,GLX and others
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# So we link to libbgfx.a only
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find_library(BGFX NAMES libbgfx.a REQUIRED)
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if(SPACEGAME_BUILD_SHADERS)
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find_program(SHADERC shaderc REQUIRED)
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endif()
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################## sources ###################
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if(SPACEGAME_BUILD_SHADERS)
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add_subdirectory(shaders)
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endif()
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# Game executable is here:
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add_subdirectory(src)
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################# debugging ##################
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# A useful trick is to append "-LAH" to the cmake command
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# of libraries to see their available options.
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#
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# Uncomment this section to have cmake print all variables.
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# This is useful to find the actual variable names of the libraries in use.
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# Such as, is it ${SMTH_INCLUDE_DIR} or ${SMTH_INCLUDE_DIRS}?
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# get_cmake_property(_variableNames VARIABLES)
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# list (SORT _variableNames)
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# foreach (_variableName ${_variableNames})
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# message(STATUS "${_variableName}=${${_variableName}}")
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# endforeach()
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#
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# List imported targets from 'find_package(..)'
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# get_property(importTargets DIRECTORY "${CMAKE_SOURCE_DIR}" PROPERTY IMPORTED_TARGETS)
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# message("Import Targets: ${importTargets}")
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#
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# Build this target to test generator expressions
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# add_custom_target(debug_gen_expr COMMAND ${CMAKE_COMMAND} -E echo "$<IF:$<BOOL:${SPACEGAME_BUILD_SHADERS}>,true_string,false_string>") |