Inferno Game Engine
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# ------------------------------------------
# User config between these lines
# Set engine name
set(ENGINE "inferno")
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(INFERNO_STANDALONE TRUE)
endif()
# Options
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(INFERNO_BUILD_EXAMPLES "Build the Inferno example programs" ${INFERNO_STANDALONE})
# ------------------------------------------
cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
project(${ENGINE} CXX C)
# ------------------------------------------
# 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()
# 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 <PROJECT> 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()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# ------------------------------------------
# Engine dependencies target
# Add engine target to project
add_subdirectory("vendor")
# ------------------------------------------
# Engine target
# Add engine target to project
add_subdirectory("src")
# ------------------------------------------
# Examples target
if (INFERNO_BUILD_EXAMPLES)
# Add examples target to project
add_subdirectory("example")
endif()