cmake_minimum_required(VERSION 3.9...3.18)

if(${CMAKE_VERSION} VERSION_LESS 3.12)
    cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
endif()

include(CMakeVersions.txt)

project(libmemcached
        VERSION "${LIBMEMCACHED_VERSION}"
        DESCRIPTION "libmemcached https://github.com/m6w6/libmemcached"
        )

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)

include(CMakeConfig.txt)

if(NOT BUILD_DOCSONLY)

    set(AUTOHEADER_FILE mem_config.h)

    set(CLIENTS
            memcapable
            memcat
            memcp
            memdump
            memerror
            memexist
            memflush
            memparse
            memping
            memrm
            memslap
            memstat
            memtouch
            )

    add_subdirectory(include)
    add_subdirectory(src)
    add_subdirectory(support)
    add_subdirectory(test)

    # keep last
    configure_file(src/mem_config.h.in ${AUTOHEADER_FILE} @ONLY)
endif()

if(BUILD_DOCS OR BUILD_DOCSONLY)
    add_subdirectory(docs)
endif()

if(ENV{INVALID_CONFIGURATION})
    message(FATAL_ERROR "invalid configuration -- giving up")
endif()