cmake_minimum_required(VERSION 3.5)

project(mtl LANGUAGES CXX C ASM)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

message("Compiling MTL for ${CMAKE_SYSTEM_PROCESSOR}")

# CONFIGURE_DEPENDS option was added in CMake v3.12. This option allows the
# build system to automatically re-run CMake if the glob changes, solving the
# major issue with globbing. May have a performance impact, but it should be
# negligible compared to the time spent building.
file(GLOB mtl_sources_common LIST_DIRECTORIES false CONFIGURE_DEPENDS src/*.cpp src/*.c src/*.s)
file(GLOB mtl_sources_debug LIST_DIRECTORIES false CONFIGURE_DEPENDS src/debug/*.cpp src/debug/*.c src/debug/*.s)
file(GLOB mtl_sources_armv4t LIST_DIRECTORIES false CONFIGURE_DEPENDS src/armv4t/*.cpp src/armv4t/*.c src/armv4t/*.s)

set(mtl_include_common "include")
set(mtl_include_debug "include/debug")

add_library(${PROJECT_NAME} STATIC)

target_sources(${PROJECT_NAME} PRIVATE "${mtl_sources_common}")
target_include_directories(${PROJECT_NAME} PUBLIC "${mtl_include_common}")

if (CMAKE_BUILD_TYPE STREQUAL "Debug")
	target_sources(${PROJECT_NAME} PRIVATE "${mtl_sources_debug}")
	target_include_directories(${PROJECT_NAME} PUBLIC "${mtl_include_debug}")
endif()

if (CMAKE_SYSTEM_PROCESSOR STREQUAL "armv4t")
	target_sources(${PROJECT_NAME} PRIVATE "${mtl_sources_armv4t}")
endif()

# TODO: Support installing library