CMakeLists.txt

cmake_minimum_required(VERSION 3.2)
project(raytracer)

# Add argparse library
include(FetchContent)
FetchContent_Declare(
    argparse
    GIT_REPOSITORY https://github.com/p-ranav/argparse.git
)
FetchContent_MakeAvailable(argparse)

include_directories(include)
file(GLOB_RECURSE SOURCES "src/*.cpp")

set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-pthread")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -fno-omit-frame-pointer -Wno-unused-function -Wno-unused-variable -Wno-unused-parameter")
set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} -Wall -Werror -fno-omit-frame-pointer -Wno-unused-function -Wno-unused-variable -Wno-unused-parameter")

# Custom config file support.
# By adding it as a source, the build system (most likely make) will check if
# the file has changed every time we try to build.
set(SOURCES ${SOURCES} "./custom_config.h")


# Enable optimizations
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")

# Enable debugging
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")

# Enable address sanitizer
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
#set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} -fsanitize=address")

find_package(Threads)
find_package(OpenMP)

add_executable(raytracer ${SOURCES})
target_link_libraries(raytracer ${CMAKE_THREAD_LIBS_INIT} argparse OpenMP::OpenMP_CXX)