diff --git a/CMakeLists.txt b/CMakeLists.txt index 11d70b8..d6d490e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,79 +1,57 @@ -# User config between these lines # ------------------------------------------ +# User config between these lines # Set engine name set(ENGINE "inferno") -# Set project name -set(GAME "game") -# Set debugging, ON/OFF -set(DEBUG "ON") -# ------------------------------------------ - -# Add 'make run' target -add_custom_target(run - COMMAND ${GAME} -) +# Options +option(BUILD_SHARED_LIBS "Build shared libraries" OFF) +option(INFERNO_BUILD_EXAMPLES "Build the Inferno example programs" OFF) # ------------------------------------------ -cmake_minimum_required(VERSION 3.16) +cmake_minimum_required(VERSION 3.16 FATAL_ERROR) +project(${ENGINE} CXX C) -set(CMAKE_EXPORT_COMPILE_COMMANDS ON) +# ------------------------------------------ +# Setup C++ compiler + +set(CMAKE_CXX_STANDARD 20) +set(CMAKE_CXX_STANDARD_REQUIRED ON) +set(CMAKE_CXX_EXTENSIONS OFF) + +# Compiler flags used for all build types +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic") +# -Wall = All warnings about contructions that are easily avoidable +# -Wextra = Extra warning flags not covered by -Wall +# -Wpedantic = Warnings for compiler extensions not part of the standard + +# Set default build type if not specified +set(DEFAULT_BUILD_TYPE Release) +if(EXISTS ${CMAKE_SOURCE_DIR}/.git) + set(DEFAULT_BUILD_TYPE Debug) +endif() +if(NOT CMAKE_BUILD_TYPE) + set(CMAKE_BUILD_TYPE ${DEFAULT_BUILD_TYPE}) +endif() -# Check if the build should include debugging symbols -option(DEBUG "" ${DEBUG}) -if(DEBUG) - # cmake -DDEBUG=on .. && make - message("--- Debug ---") - set(CMAKE_BUILD_TYPE "Debug") - - # -Og = Optimizations that do not interfere with debugging - # -Wall = All warnings about contructions that are easily avoidable - # -Wextra = Extra warning flags not covered by -Wall - # -g = Produce debugging information in OS's native format - # -pg = Generate profile information for analysis with gprof - set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og -Wall -Wextra -g -pg") - # gprof gmon.out > profile-data.txt -else() - # cmake -DDEBUG=off .. && make - message("--- Release ---") - set(CMAKE_BUILD_TYPE "Release") - - # -O3 = Optimizations that increases compilation time and performance +# Set build type specific compiler flags +message("--- ${CMAKE_BUILD_TYPE} ---") +if(${CMAKE_BUILD_TYPE} STREQUAL Debug) + set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Og -g -pg") + # -Og = Optimizations that do not interfere with debugging + # -g = Produce debugging information in OS's native format + # -pg = Generate profile information for analysis with gprof + # $ gprof gmon.out > profile-data.txt +elseif(${CMAKE_BUILD_TYPE} STREQUAL Release) set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3") + # -O3 = Optimizations that increase compilation time and performance endif() -# Include all headers -include_directories( - "${ENGINE}/src" - "${ENGINE}/vendor/entt/src" - "${ENGINE}/vendor/glad/include" - "${ENGINE}/vendor/glfw/include" - "${ENGINE}/vendor/glm" - "${ENGINE}/vendor/json/include" - "${ENGINE}/vendor/lua" - "${ENGINE}/vendor/sol2/include" - "${ENGINE}/vendor/stb" -) - -# Define engine source files -file(GLOB_RECURSE GLAD "${ENGINE}/vendor/glad/*.c") -file(GLOB LUA "${ENGINE}/vendor/lua/lua/*.c") -list(REMOVE_ITEM LUA "${CMAKE_SOURCE_DIR}/${ENGINE}/vendor/lua/lua/onelua.c") # Do not compile single file variant -list(REMOVE_ITEM LUA "${CMAKE_SOURCE_DIR}/${ENGINE}/vendor/lua/lua/ltests.c") # Do not compile internal debugging -list(REMOVE_ITEM LUA "${CMAKE_SOURCE_DIR}/${ENGINE}/vendor/lua/lua/lua.c") # Do not compile interpreter -file(GLOB_RECURSE ENGINE_SOURCES "${ENGINE}/src/${ENGINE}/*.cpp") -set(ENGINE_SOURCES ${GLAD} ${LUA} ${ENGINE_SOURCES}) - -# Define game source files -file(GLOB_RECURSE GAME_SOURCES "${GAME}/src/*.cpp") -set(GAME_SOURCES ${GAME_SOURCES}) +set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # ------------------------------------------ - -project(${ENGINE}) -set(CMAKE_CXX_STANDARD 17) +# Engine target # GLFW options set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE) @@ -83,16 +61,27 @@ set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE) # Add GLFW target to project add_subdirectory(${ENGINE}/vendor/glfw) -add_library(${ENGINE} STATIC ${ENGINE_SOURCES}) -target_link_libraries(${ENGINE} glfw) - -# ------------------------------------------ - -project(${GAME}) -set(CMAKE_CXX_STANDARD 17) +# Define engine source files +file(GLOB_RECURSE GLAD "${ENGINE}/vendor/glad/*.c") +file(GLOB LUA "${ENGINE}/vendor/lua/lua/*.c") +list(REMOVE_ITEM LUA "${CMAKE_SOURCE_DIR}/${ENGINE}/vendor/lua/lua/onelua.c") # Do not compile single file variant +list(REMOVE_ITEM LUA "${CMAKE_SOURCE_DIR}/${ENGINE}/vendor/lua/lua/ltests.c") # Do not compile internal debugging +list(REMOVE_ITEM LUA "${CMAKE_SOURCE_DIR}/${ENGINE}/vendor/lua/lua/lua.c") # Do not compile interpreter +file(GLOB_RECURSE ENGINE_SOURCES "${ENGINE}/src/${ENGINE}/*.cpp") +set(ENGINE_SOURCES ${GLAD} ${LUA} ${ENGINE_SOURCES}) -add_executable(${GAME} ${GAME_SOURCES}) -target_link_libraries(${GAME} ${ENGINE}) +add_library(${ENGINE} ${ENGINE_SOURCES}) +target_include_directories(${ENGINE} PRIVATE + "${ENGINE}/src" + "${ENGINE}/vendor/entt/src" + "${ENGINE}/vendor/glad/include" + "${ENGINE}/vendor/glfw/include" + "${ENGINE}/vendor/glm" + "${ENGINE}/vendor/json/include" + "${ENGINE}/vendor/lua" + "${ENGINE}/vendor/sol2/include" + "${ENGINE}/vendor/stb") +target_link_libraries(${ENGINE} glfw) # ------------------------------------------ @@ -114,4 +103,10 @@ target_precompile_headers(${ENGINE} PRIVATE "$<$:>" ) -target_precompile_headers(${GAME} REUSE_FROM ${ENGINE}) +# ------------------------------------------ +# Examples target + +if (INFERNO_BUILD_EXAMPLES) + # Add examples target to project + add_subdirectory("${CMAKE_SOURCE_DIR}/example") +endif() diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt new file mode 100644 index 0000000..4e635f2 --- /dev/null +++ b/example/CMakeLists.txt @@ -0,0 +1,26 @@ +# ------------------------------------------ +# User config between these lines + +# Set project name +set(GAME "game") + +# ------------------------------------------ + +project(${GAME} CXX) + +# Define game source files +file(GLOB_RECURSE GAME_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp") + +add_executable(${GAME} ${GAME_SOURCES}) +target_include_directories(${GAME} PRIVATE + "${CMAKE_SOURCE_DIR}/${ENGINE}/src") +target_link_libraries(${GAME} ${ENGINE}) + +target_precompile_headers(${GAME} REUSE_FROM ${ENGINE}) + +# ------------------------------------------ + +# Add 'make run' target +add_custom_target(run + COMMAND ${GAME} +) diff --git a/game/src/game.cpp b/example/src/game.cpp similarity index 100% rename from game/src/game.cpp rename to example/src/game.cpp