cmake_minimum_required(VERSION 3.8)
project(serial)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")


# Find dependencies
find_package(ament_cmake REQUIRED)
find_package(ament_cmake_gtest REQUIRED)


if(APPLE)
    find_library(IOKIT_LIBRARY IOKit)
    find_library(FOUNDATION_LIBRARY Foundation)
endif()

if(UNIX AND NOT APPLE)
    # If Linux, add rt and pthread
    set(rt_LIBRARIES rt)
    set(pthread_LIBRARIES pthread)
endif()

## Sources
set(serial_SRCS
    src/serial.cc
    include/serial/serial.h
    include/serial/v8stdint.h
)
if(APPLE)
    # If OSX
    list(APPEND serial_SRCS src/impl/unix.cc)
    list(APPEND serial_SRCS src/impl/list_ports/list_ports_osx.cc)
elseif(UNIX)
    # If unix
    list(APPEND serial_SRCS src/impl/unix.cc)
    list(APPEND serial_SRCS src/impl/list_ports/list_ports_linux.cc)
else()
    # If windows
    list(APPEND serial_SRCS src/impl/win.cc)
    list(APPEND serial_SRCS src/impl/list_ports/list_ports_win.cc)
endif()

## Add serial library
add_library(${PROJECT_NAME} ${serial_SRCS})
set_target_properties(${PROJECT_NAME} PROPERTIES POSITION_INDEPENDENT_CODE ON)

if(APPLE)
    target_link_libraries(${PROJECT_NAME} ${FOUNDATION_LIBRARY} ${IOKIT_LIBRARY})
elseif(UNIX)
    target_link_libraries(${PROJECT_NAME} rt pthread)
else()
    target_link_libraries(${PROJECT_NAME} setupapi)
endif()

## Include headers
include_directories(include)

## Install library
install(TARGETS ${PROJECT_NAME}
    ARCHIVE DESTINATION lib
    LIBRARY DESTINATION lib
    RUNTIME DESTINATION bin
)

## Install headers
install(DIRECTORY include/serial
  DESTINATION include
)

## Example executable
add_executable(serial_example examples/serial_example.cc)
ament_target_dependencies(serial_example)

target_link_libraries(serial_example ${PROJECT_NAME})

install(TARGETS serial_example
    RUNTIME DESTINATION lib/${PROJECT_NAME}
)

## Tests
if(BUILD_TESTING)
    add_subdirectory(tests)
endif()

# Package
ament_export_include_directories(include)
ament_export_libraries(${PROJECT_NAME})
ament_package()