CMakeLists.txt

cmake_minimum_required(VERSION 3.5)
set(PROJECT_NAME VKAPI)
project(${PROJECT_NAME} LANGUAGES CXX)

include(CMakePackageConfigHelpers)
include(GNUInstallDirs)

set(VKAPI_MAJOR_VERSION 0)
set(VKAPI_MINOR_VERSION 0)
set(VKAPI_PATCH_VERSION 5)
set(VKAPI_VERSION_STRING "${VKAPI_MAJOR_VERSION}.${VKAPI_MINOR_VERSION}.${VKAPI_PATCH_VERSION}")

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/Config.hpp.in ${CMAKE_CURRENT_SOURCE_DIR}/include/Config.hpp @ONLY)

set(CMAKE_INCLUDE_CURRENT_DIR ON)

if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
    set(MACOSX TRUE)
endif()

set(NLOHMANN_JSON_PATH "${PROJECT_SOURCE_DIR}/include")
set(CMAKE_INSTALL_PREFIX ${CMAKE_SOURCE_DIR})

option(BUILD_LIBRARY "Determines that, as a result, we get" ON)
option(BUILD_EXAMPLES "Determines whether examples should be performed" ON)

file(GLOB TARGET_SRC "./src/*.cpp")
file(GLOB TARGET_HEADERS "./include/*.hpp")

if(BUILD_LIBRARY)
    add_library(${PROJECT_NAME} STATIC ${TARGET_SRC} ${TARGET_HEADERS})
else()
    if(UNIX)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
    endif()
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -lcurl")
    add_executable(${PROJECT_NAME} ${TARGET_SRC} ${TARGET_HEADERS})
endif()

target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_INSTALL_INCLUDEDIR})

# Include json
target_link_directories(${PROJECT_NAME} PUBLIC ${NLOHMANN_JSON_PATH})

# Link curl
if(UNIX)
    find_package(CURL REQUIRED)
    target_link_directories(${PROJECT_NAME} PUBLIC ${CURL_INCLUDE_DIR})
else()
    include(FindPkgConfig)
    # find_package(CURL REQUIRED)
    pkg_check_modules(CURL libcurl REQUIRED)
endif()

target_link_libraries(${PROJECT_NAME} PUBLIC CURL::libcurl)

set_target_properties(
    ${PROJECT_NAME} PROPERTIES
    CXX_STANDARD 14
    CXX_STANDARD_REQUIRED on
)

configure_package_config_file(
    VKAPIConfig.cmake.in
    "${CMAKE_CURRENT_BINARY_DIR}/VKAPIConfig.cmake"
    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/VKAPI.cmake
)

install(FILES ${CMAKE_CURRENT_BINARY_DIR}/VKAPIConfig.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/)

install(TARGETS ${PROJECT_NAME} EXPORT VKAPITargets)
install(EXPORT VKAPITargets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/ NAMESPACE VKAPI::)

install(FILES ${TARGET_HEADERS} DESTINATION ${CMAKE_INSTALL_BINDIR}/include/vkapi)

if(BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()