# Rules to build 3rd-party libraries for digiKam bundles.
#
# Copyright (c) 2015-2019, Gilles Caulier, <caulier dot gilles at gmail dot com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#

project(digikam-bundles)

cmake_minimum_required(VERSION 2.8.6)

function(JoinListAsString VALUES GLUE OUTPUT)
    string(REPLACE ";" "${GLUE}" _TMP_STR "${VALUES}")
    set(${OUTPUT} "${_TMP_STR}" PARENT_SCOPE)
endfunction()

if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
    message(FATAL_ERROR "Compiling in the source directory is not supported. Use for example 'mkdir build; cd build; cmake ..'.")
endif()

# Tools must be obtained to work with:
include (ExternalProject)

# allow specification of a directory with pre-downloaded
# requirements
if(NOT IS_DIRECTORY ${EXTERNALS_DOWNLOAD_DIR})
    message(FATAL_ERROR "No externals download dir set. Use -DEXTERNALS_DOWNLOAD_DIR")
endif()

if(NOT IS_DIRECTORY ${INSTALL_ROOT})
    message(FATAL_ERROR "No install dir set. Use -DINSTALL_ROOT")
endif()

set(TOP_INST_DIR ${INSTALL_ROOT})
set(EXTPREFIX "${TOP_INST_DIR}")
set(CMAKE_PREFIX_PATH "${EXTPREFIX}")

message( STATUS "CMAKE_GENERATOR: ${CMAKE_GENERATOR}")
message( STATUS "CMAKE_CL_64: ${CMAKE_CL_64}")

set(GLOBAL_BUILD_TYPE RelWithDebInfo)
set(GLOBAL_PROFILE ${GLOBAL_PROFILE} -DBUILD_TESTING=false)
set(PATCH_COMMAND patch)

# Function to get MD5 sums from download area for a KF5 application
# The sum is available in ${KF5_APPLICATION_MD5SUM}
function(GetKF5ApplicationMd5Sums
         name
         version)

    if(MINGW)

        # Extract MD5 sums of KF5 application directly from server.
        execute_process(COMMAND
                        wget -q -O - -o /dev/null http://download.kde.org/stable/applications/${version}/src/${name}-${version}.tar.xz.mirrorlist
                        COMMAND
                        grep "MD5 Hash"
                        COMMAND
                        grep -o -P "(?<=<tt>).*(?=</tt>)"
                        RESULT_VARIABLE
                        wgetresult
                        OUTPUT_VARIABLE
                        md5sm
                        OUTPUT_STRIP_TRAILING_WHITESPACE
        )

        if(NOT ${wgetresult} MATCHES 0)
            message(FATAL_ERROR "Cannot download MD5 sum for ${name}!")
        endif()

    elseif(APPLE)

        # Extract MD5 sums of KF5 application directly from server.
        execute_process(COMMAND
                            wget -q -O - -o /dev/null http://download.kde.org/stable/applications/${version}/src/${name}-${version}.tar.xz.mirrorlist
                        COMMAND
                            grep "MD5 Hash"
                        COMMAND
                            grep -o "<tt>.*</tt>"
                        COMMAND
                            cut -c 5-
                        COMMAND
                            rev
                        COMMAND
                            cut -c 6-
                        COMMAND
                            rev
                        RESULT_VARIABLE
                            wgetresult
                        OUTPUT_VARIABLE
                            md5sm
                        OUTPUT_STRIP_TRAILING_WHITESPACE
        )

        if(NOT ${wgetresult} MATCHES 0)
            message(FATAL_ERROR "Cannot download MD5 sum for ${name}!")
        endif()

    else() # Linux

        # Extract MD5 sums of KF5 application directly from server.
        execute_process(COMMAND
                        wget -q -O - -o /dev/null http://download.kde.org/stable/applications/${version}/src/${name}-${version}.tar.xz.mirrorlist
                        COMMAND
                        grep "MD5 Hash"
                        COMMAND
                        grep -o -P "(?<=<tt>).*(?=</tt>)"
                        RESULT_VARIABLE
                        wgetresult
                        OUTPUT_VARIABLE
                        md5sm
                        OUTPUT_STRIP_TRAILING_WHITESPACE
        )

        if(NOT ${wgetresult} MATCHES 0)
            message(FATAL_ERROR "Cannot download MD5 sum for ${name}!")
        endif()

    endif()

    message(STATUS "--------------------------------")
    message(STATUS "KF5 application    : ${name}")
    message(STATUS "application version: ${version}")
    message(STATUS "application MD5    : ${md5sm}")

    set(${KF5_APPLICATION_MD5SUM} ${md5sm} PARENT_SCOPE)

endfunction()

# this list must be dependency-ordered

add_subdirectory(ext_jpeg)
add_subdirectory(ext_jasper)
add_subdirectory(ext_png)
add_subdirectory(ext_tiff)
add_subdirectory(ext_heif)
add_subdirectory(ext_fontconfig)
add_subdirectory(ext_freetype)
add_subdirectory(ext_libgphoto2)
add_subdirectory(ext_libass)
add_subdirectory(ext_libicu)
add_subdirectory(ext_liblqr)
add_subdirectory(ext_sane)
add_subdirectory(ext_exiv2)
add_subdirectory(ext_boost)
add_subdirectory(ext_opencv)
add_subdirectory(ext_openssl)
add_subdirectory(ext_lensfun)
add_subdirectory(ext_qt)
add_subdirectory(ext_qtwebkit)
add_subdirectory(ext_qtav)
add_subdirectory(ext_kf5_frameworks)
add_subdirectory(ext_marble)
add_subdirectory(ext_libksane)
add_subdirectory(ext_kcalcore)
add_subdirectory(ext_ffmpeg)
add_subdirectory(ext_drmingw)
add_subdirectory(ext_imagemagick)