cmake_minimum_required(VERSION 3.14.0)
project(i2c VERSION 40.0.0) # Compat version with i2clib40 from aminet

include(cmake/verstring.cmake)
include(cmake/sfdc.cmake)

get_verstring(VERSTRING)
sfdc(sfd/i2c_lib.sfd)

if(NOT TARGET devicetree)
    add_subdirectory(devicetree.resource EXCLUDE_FROM_ALL)
endif()

target_include_directories(i2c INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include)

add_executable(i2c.library
    src/main.c
    src/gpio.c

    src/lib_functions/alloc_i2c.c
    src/lib_functions/bring_back_i2c.c
    src/lib_functions/free_i2c.c
    src/lib_functions/get_i2c_opponent.c
    src/lib_functions/i2c_err_text.c
    src/lib_functions/init_i2c.c
    src/lib_functions/receive_i2c.c
    src/lib_functions/send_i2c.c
    src/lib_functions/set_i2c_delay.c
    src/lib_functions/shutdown_i2c.c

    src/end.c
)

target_link_options(i2c.library PRIVATE -ffreestanding -nostdlib -s -nostartfiles -Wl,-e,__start)
target_compile_options(i2c.library PRIVATE -Os -m68040 -fomit-frame-pointer)
target_compile_definitions(i2c.library PRIVATE VERSION_STRING="${VERSTRING}")
target_include_directories(i2c.library PRIVATE src include)
target_link_libraries(i2c.library i2c devicetree amiga)
target_compile_definitions(i2c.library PUBLIC
    LIBRARY_NAME="i2c.library"
    LIBRARY_VERSION=${PROJECT_VERSION_MAJOR}
    LIBRARY_REVISION=${PROJECT_VERSION_MINOR}
    LIBRARY_PRIORITY=0)

install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/i2c.library DESTINATION I2C/)