ClickHouse/contrib/base-x-cmake/CMakeLists.txt

option (ENABLE_BASEX "Enable base-x" ${ENABLE_LIBRARIES})

if (NOT ENABLE_BASEX)
    message(STATUS "Not using base-x")
    return()
endif()

set(LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/base-x")

set (SRCS
        ${LIBRARY_DIR}/base_x.hh
        ${LIBRARY_DIR}/uinteger_t.hh
        )

add_library(_base-x INTERFACE)
target_include_directories(_base-x SYSTEM BEFORE INTERFACE "${ClickHouse_SOURCE_DIR}/contrib/base-x")

if (XCODE OR XCODE_VERSION)
    # https://gitlab.kitware.com/cmake/cmake/issues/17457
    #     Some native build systems may not like targets that have only object files, so consider adding at least one real source file
    # This applies to Xcode.
    if (NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/dummy.c")
        file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.c" "")
    endif ()
    target_sources(_base-x PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/dummy.c")
endif ()

add_library(ch_contrib::base-x ALIAS _base-x)