cmake_minimum_required(VERSION 3.10)

project(sqlite3 C)

option(WITH_ZLIB "Build sqlite3 with zlib support" OFF)
option(SQLITE3_SKIP_TOOLS "Disable build sqlite3 executable" OFF)

set(PKGCONFIG_LIBS_PRIVATE "")

add_library(sqlite3 sqlite3.c)

target_include_directories(sqlite3 PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}> $<INSTALL_INTERFACE:include>)

target_compile_definitions(
    sqlite3
    PRIVATE
        $<$<CONFIG:Debug>:SQLITE_DEBUG=1>
        $<$<CONFIG:Debug>:SQLITE_ENABLE_SELECTTRACE>
        $<$<CONFIG:Debug>:SQLITE_ENABLE_WHERETRACE>
)

if (BUILD_SHARED_LIBS)
    if (WIN32)
        target_compile_definitions(sqlite3 PRIVATE "SQLITE_API=__declspec(dllexport)")
    else()
        target_compile_definitions(sqlite3 PRIVATE "SQLITE_API=__attribute__((visibility(\"default\")))")
    endif()
endif()

if (NOT WIN32)
    find_package(Threads REQUIRED)
    target_link_libraries(sqlite3 PRIVATE Threads::Threads ${CMAKE_DL_LIBS})
    string(APPEND PKGCONFIG_LIBS_PRIVATE " -pthread")
    foreach(LIB IN LISTS CMAKE_DL_LIBS)
        string(APPEND PKGCONFIG_LIBS_PRIVATE " -l${LIB}")
    endforeach()

    if(SQLITE_ENABLE_FTS5 OR SQLITE_ENABLE_MATH_FUNCTIONS)
        find_library(HAVE_LIBM m)
        if(HAVE_LIBM)
            target_link_libraries(sqlite3 PRIVATE m)
            string(APPEND PKGCONFIG_LIBS_PRIVATE " -lm")
        endif()
    endif()
endif()

if(NOT SQLITE3_SKIP_TOOLS)
    add_executable(sqlite3-bin shell.c)
    set_target_properties(sqlite3-bin PROPERTIES
        OUTPUT_NAME sqlite3
        PDB_NAME "sqlite3${CMAKE_EXECUTABLE_SUFFIX}.pdb"
    )

    target_link_libraries(sqlite3-bin PRIVATE sqlite3)
    if (WITH_ZLIB)
        find_package(ZLIB REQUIRED)
        target_link_libraries(sqlite3-bin PRIVATE ZLIB::ZLIB)
        target_compile_definitions(sqlite3-bin PRIVATE SQLITE_HAVE_ZLIB)
    endif()

    install(TARGETS sqlite3-bin sqlite3
      RUNTIME DESTINATION bin
      LIBRARY DESTINATION lib
      ARCHIVE DESTINATION lib
    )
endif()

install(
    TARGETS sqlite3
    EXPORT unofficial-sqlite3-targets
    RUNTIME DESTINATION bin
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib
)

install(FILES sqlite3.h sqlite3ext.h sqlite3-vcpkg-config.h DESTINATION include CONFIGURATIONS Release)
install(EXPORT unofficial-sqlite3-targets NAMESPACE unofficial::sqlite3:: FILE unofficial-sqlite3-targets.cmake DESTINATION share/unofficial-sqlite3)

configure_file(sqlite3.pc.in sqlite3.pc @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sqlite3.pc" DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")