# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENSE BLOCK *****

set(SNDFILE_EXTRA_ARGS)
set(SNDFILE_ENV PKG_CONFIG_PATH=${mingw_LIBDIR}/ogg/lib/pkgconfig:${mingw_LIBDIR}/vorbis/lib/pkgconfig:${mingw_LIBDIR}/flac/lib/pkgconfig:${mingw_LIBDIR})

if(WIN32)
  set(SNDFILE_ENV set ${SNDFILE_ENV} &&)
  # Shared for windows because static libs will drag in a libgcc dependency.
  set(SNDFILE_OPTIONS --disable-static --enable-shared )
else()
  set(SNDFILE_OPTIONS --enable-static --disable-shared )
endif()

if(UNIX)
  set(SNDFILE_PATCH_CMD ${PATCH_CMD} --verbose -p 0 -d ${BUILD_DIR}/sndfile/src/external_sndfile < ${PATCH_DIR}/sndfile.diff)
else()
  set(SNDFILE_PATCH_CMD)
endif()

ExternalProject_Add(external_sndfile
  URL ${SNDFILE_URI}
  DOWNLOAD_DIR ${DOWNLOAD_DIR}
  URL_HASH MD5=${SNDFILE_HASH}
  PREFIX ${BUILD_DIR}/sndfile
  PATCH_COMMAND ${SNDFILE_PATCH_CMD}
  CONFIGURE_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/sndfile/src/external_sndfile/ && ${SNDFILE_ENV} ${CONFIGURE_COMMAND} ${SNDFILE_OPTIONS} --prefix=${mingw_LIBDIR}/sndfile
  BUILD_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/sndfile/src/external_sndfile/ && make -j${MAKE_THREADS}
  INSTALL_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/sndfile/src/external_sndfile/ && make install
  INSTALL_DIR ${LIBDIR}/sndfile
)

if(MSVC)
  set_target_properties(external_sndfile PROPERTIES FOLDER Mingw)
endif()

add_dependencies(
  external_sndfile
  external_ogg
  external_vorbis
)
if(UNIX)
  add_dependencies(
    external_sndfile
    external_flac
  )
endif()

if(BUILD_MODE STREQUAL Release AND WIN32)
  ExternalProject_Add_Step(external_sndfile after_install
      COMMAND  lib /def:${BUILD_DIR}/sndfile/src/external_sndfile/src/libsndfile-1.def /machine:x64 /out:${BUILD_DIR}/sndfile/src/external_sndfile/src/libsndfile-1.lib
      COMMAND  ${CMAKE_COMMAND} -E copy ${LIBDIR}/sndfile/bin/libsndfile-1.dll ${HARVEST_TARGET}/sndfile/lib/libsndfile-1.dll
      COMMAND  ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/sndfile/src/external_sndfile/src/libsndfile-1.lib ${HARVEST_TARGET}/sndfile/lib/libsndfile-1.lib
      COMMAND  ${CMAKE_COMMAND} -E copy ${LIBDIR}/sndfile/include/sndfile.h ${HARVEST_TARGET}/sndfile/include/sndfile.h

    DEPENDEES install
  )
endif()