--- cross_compile_ffmpeg.sh	2017-04-05 17:10:26.000000000 -0700
+++ cross_compile_ffmpeg_updated_versions_temp.sh	2017-04-09 03:53:01.277788999 -0700
@@ -183,7 +183,7 @@
     if [[ ($compiler_flavors == "win32" || $compiler_flavors == "multi") && ! -f ../$win32_gcc ]]; then
       echo "building win32 cross compiler..."
       download_gcc_build_script $zeranoe_script_name
-      nice ./$zeranoe_script_name $zeranoe_script_options --build-type=win32 || exit 1
+      nice ./$zeranoe_script_name $zeranoe_script_options --build-type=win32 --enable-gendef || exit 1
       if [[ ! -f ../$win32_gcc ]]; then
         echo "failure building 32 bit gcc? recommend nuke sandbox (rm -rf sandbox) and start over..."
         exit 1
@@ -192,14 +192,12 @@
     if [[ ($compiler_flavors == "win64" || $compiler_flavors == "multi") && ! -f ../$win64_gcc ]]; then
       echo "building win64 x86_64 cross compiler..."
       download_gcc_build_script $zeranoe_script_name
-      nice ./$zeranoe_script_name $zeranoe_script_options --build-type=win64 || exit 1 
+      nice ./$zeranoe_script_name $zeranoe_script_options --build-type=win64 --enable-gendef || exit 1 
       if [[ ! -f ../$win64_gcc ]]; then
         echo "failure building 64 bit gcc? recommend nuke sandbox (rm -rf sandbox) and start over..."
         exit 1
       fi
     fi
-
-
     rm -f build.log # left over stuff...
     reset_cflags
   cd ..
@@ -561,8 +559,10 @@
 }
 
 build_libopenh264() {
-  do_git_checkout "https://github.com/cisco/openh264.git" openh264 24916a652ee5d3 # need this to match ffmpeg's apparently or openh264v1.4 [this is last commit before 1.5 AFAICT]
-  cd openh264
+  #do_git_checkout "https://github.com/cisco/openh264.git" openh264 24916a652ee5d3 # need this to match ffmpeg's apparently or openh264v1.4 [this is last commit before 1.5 AFAICT]
+  #cd openh264
+  download_and_unpack_file https://github.com/cisco/openh264/archive/v1.6.0.tar.gz openh264-1.6.0
+  cd openh264-1.6.0
     if [ $bits_target = 32 ]; then
       local arch=i686 # or x86? 
     else
@@ -591,7 +591,8 @@
     checkout_dir="${checkout_dir}_normal_bitdepth"
   fi
   
-  do_git_checkout "http://repo.or.cz/r/x264.git" $checkout_dir "origin/stable" # guess we always prefer stable here...
+  #do_git_checkout "http://repo.or.cz/r/x264.git" $checkout_dir "origin/stable" # guess we always prefer stable here...
+  do_git_checkout "http://git.videolan.org/git/x264.git" $checkout_dir "origin/master" # live well, punt for the latest version rather than the stable
   cd $checkout_dir
 
   local configure_flags="--host=$host_target --enable-static --cross-prefix=$cross_prefix --prefix=$mingw_w64_x86_64_prefix --enable-strip" # --enable-win32thread --enable-debug is another useful option here?
@@ -638,7 +639,6 @@
 
 build_librtmp() {
   #  download_and_unpack_file http://rtmpdump.mplayerhq.hu/download/rtmpdump-2.3.tgz # has some odd configure failure
-
   do_git_checkout "http://repo.or.cz/r/rtmpdump.git" 
   cd rtmpdump_git/librtmp
   do_make_and_make_install "CRYPTO=GNUTLS OPT=-O2 CROSS_COMPILE=$cross_prefix SHARED=no prefix=$mingw_w64_x86_64_prefix"
@@ -651,20 +651,16 @@
      make SYS=mingw CRYPTO=GNUTLS OPT=-O2 CROSS_COMPILE=$cross_prefix SHARED=no LIB_GNUTLS="`pkg-config --libs gnutls` -lz" || exit 1 # NB not multi process here so we can ensure existence of rtmpsuck.exe means "we made it all the way to the end"
    fi
   cd ..
-
 }
 
 build_qt() {
   build_libjpeg_turbo # libjpeg a dependency [?]
-
   unset CFLAGS # it makes something of its own first, which runs locally, so can't use a foreign arch, or maybe it can, but not important enough: http://stackoverflow.com/a/18775859/32453 XXXX could look at this
   # download_and_unpack_file http://download.qt-project.org/official_releases/qt/5.1/5.1.1/submodules/qtbase-opensource-src-5.1.1.tar.xz qtbase-opensource-src-5.1.1 # not officially supported seems...so didn't try it
-
   download_and_unpack_file http://pkgs.fedoraproject.org/repo/pkgs/qt/qt-everywhere-opensource-src-4.8.5.tar.gz/1864987bdbb2f58f8ae8b350dfdbe133/qt-everywhere-opensource-src-4.8.5.tar.gz 
   cd qt-everywhere-opensource-src-4.8.5
 #  download_and_unpack_file http://download.qt-project.org/archive/qt/4.8/4.8.1/qt-everywhere-opensource-src-4.8.1.tar.gz
 #  cd qt-everywhere-opensource-src-4.8.1
-
     apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/imageformats.patch
     apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/qt-win64.patch
     # vlc's configure options...mostly
@@ -690,7 +686,6 @@
   cd ..
 }
 
-
 build_libebur128() {
   do_git_checkout https://github.com/jiixyj/libebur128.git
   cd libebur128_git
@@ -712,7 +707,8 @@
 }
 
 build_libsndfile() {
-  generic_download_and_make_and_install http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.25.tar.gz
+  #generic_download_and_make_and_install http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.25.tar.gz
+  generic_download_and_make_and_install http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.27.tar.gz
 }
 
 build_libbs2b() {
@@ -722,47 +718,65 @@
 }
 
 build_libgme_game_music_emu() {
-  download_and_unpack_file https://sourceforge.net/projects/ffmpegwindowsbi/files/dependency_libraries/game-music-emu-0.6.0.tar.bz2 # was bitbucket, but cygwin curl didn't like it :|
-  cd game-music-emu-0.6.0
-    sed -i.bak "s|SHARED|STATIC|" gme/CMakeLists.txt
-    do_cmake_and_install
+  #download_and_unpack_file https://sourceforge.net/projects/ffmpegwindowsbi/files/dependency_libraries/game-music-emu-0.6.0.tar.bz2 # was bitbucket, but cygwin curl didn't like it :|
+  #cd game-music-emu-0.6.0
+  #  sed -i.bak "s|SHARED|STATIC|" gme/CMakeLists.txt
+  #  do_cmake_and_install
+# seems to be an issue building 0.6.1 "the program can's start because libgme.dll is missing from your computer. try reinstalling the program to fix this problem."
+# ok, this https://github.com/ShiftMediaProject/game-music-emu says 
+# To build a static library instead of shared (the default), pass -DBUILD_SHARED_LIBS=OFF to the cmake command when running cmake.
+  download_and_unpack_file https://bitbucket.org/mpyne/game-music-emu/downloads/game-music-emu-0.6.1.tar.bz2 
+  cd game-music-emu-0.6.1
+  do_cmake_and_install "-DBUILD_SHARED_LIBS=OFF"
   cd ..
 }
 
 build_liblzma() {
-  generic_download_and_make_and_install http://tukaani.org/xz/xz-5.2.2.tar.bz2
+  #generic_download_and_make_and_install http://tukaani.org/xz/xz-5.2.2.tar.bz2
+  #generic_download_and_make_and_install http://tukaani.org/xz/xz-5.2.3.tar.bz2 # this refused to connect :(
+  generic_download_and_make_and_install https://sourceforge.net/projects/lzmautils/files/xz-5.2.3.tar.xz
 }
 
 build_libsnappy() {
-  generic_download_and_make_and_install https://sourceforge.net/projects/ffmpegwindowsbi/files/dependency_libraries/google-snappy-1.1.3-14-g32d6d7d.tar.gz google-snappy-32d6d7d
+  #generic_download_and_make_and_install https://sourceforge.net/projects/ffmpegwindowsbi/files/dependency_libraries/google-snappy-1.1.3-14-g32d6d7d.tar.gz google-snappy-32d6d7d
+  generic_download_and_make_and_install https://github.com/google/snappy/releases/download/1.1.4/snappy-1.1.4.tar.gz
 }
 
 build_wavpack() {
-  generic_download_and_make_and_install http://wavpack.com/wavpack-4.70.0.tar.bz2
+# 2017.04.09 ffmpeg apparently now has Native support for this Encoding and Decoding ... comment out the call to this function
+  #generic_download_and_make_and_install http://wavpack.com/wavpack-4.70.0.tar.bz2
+  generic_download_and_make_and_install http://wavpack.com/wavpack-5.1.0.tar.bz2
 }
 
 build_libwebp() {
-  generic_download_and_make_and_install http://downloads.webmproject.org/releases/webp/libwebp-0.5.0.tar.gz
+  #generic_download_and_make_and_install http://downloads.webmproject.org/releases/webp/libwebp-0.5.0.tar.gz
+  generic_download_and_make_and_install https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-0.6.0.tar.gz
 }
 
 build_libpng() {
   # generic_download_and_make_and_install https://download.sourceforge.net/libpng/libpng-1.6.12.tar.xz 
-  generic_download_and_make_and_install https://download.sourceforge.net/libpng/libpng-1.5.26.tar.xz  # libtheora can't take 1.6.x :|
+  #generic_download_and_make_and_install https://download.sourceforge.net/libpng/libpng-1.5.26.tar.xz  # libtheora can't take 1.6.x :|
+  generic_download_and_make_and_install https://download.sourceforge.net/libpng/libpng-1.5.28.tar.xz  # libtheora can't take 1.6.x :|
 }
 
 build_libopenjpeg() {
   # does openjpeg 2.0 work with ffmpeg? possibly not yet...
-  download_and_unpack_file https://sourceforge.net/projects/openjpeg.mirror/files/1.5.2/openjpeg-1.5.2.tar.gz
-  cd openjpeg-1.5.2
-    export CFLAGS="$CFLAGS -DOPJ_STATIC" # see https://github.com/rdp/ffmpeg-windows-build-helpers/issues/37
-    generic_configure_make_install
-    reset_cflags
+  #download_and_unpack_file https://sourceforge.net/projects/openjpeg.mirror/files/1.5.2/openjpeg-1.5.2.tar.gz
+  #cd openjpeg-1.5.2
+  #  export CFLAGS="$CFLAGS -DOPJ_STATIC" # see https://github.com/rdp/ffmpeg-windows-build-helpers/issues/37
+  #  generic_configure_make_install
+  #  reset_cflags
+  # 2017.04.09 ... how to build 2.1.2, see schmidthubert post https://github.com/rdp/ffmpeg-windows-build-helpers/issues/218#issuecomment-292743142
+  download_and_unpack_file https://github.com/uclouvain/openjpeg/archive/v2.1.2.tar.gz openjpeg-2.1.2
+  cd openjpeg-2.1.2
+  export CFLAGS="$CFLAGS -DOPJ_STATIC"
+  do_cmake_and_install "-DBUILD_SHARED_LIBS:BOOL=off -DBUILD_THIRDPARTY:BOOL=on -DBUILD_PKGCONFIG_FILES:BOOL=on"
+  reset_cflags  
   cd ..
 }
 
 build_libvpx() {
   local checkout_dir="libvpx_git"
-
   do_git_checkout https://chromium.googlesource.com/webm/libvpx $checkout_dir v1.6.1 # [had probs with master once...so only a stable option presently] 
   cd $checkout_dir
   apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/vpx_160_semaphore.patch -p1 # perhaps someday can remove this after 1.6.0 or mingw fixes it LOL
@@ -778,7 +792,6 @@
   cd ..
 }
 
-
 build_libilbc() {
   do_git_checkout https://github.com/dekkers/libilbc.git
   cd libilbc_git
@@ -827,10 +840,17 @@
 }
 
 build_libopus() {
-  download_and_unpack_file http://downloads.xiph.org/releases/opus/opus-1.1.tar.gz 
-  cd opus-1.1
-    apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/opus11.patch # allow it to work with shared builds
-    generic_configure_make_install 
+  #download_and_unpack_file http://downloads.xiph.org/releases/opus/opus-1.1.tar.gz 
+  #cd opus-1.1
+  #apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/opus11.patch # allow it to work with shared builds
+  #download_and_unpack_file http://downloads.xiph.org/releases/opus/opus-1.1.4.tar.gz 
+  #cd opus-1.1.4
+  do_git_checkout https://github.com/xiph/opus.git
+  cd opus_git
+  # rdp will need to upload this new patch to his server as libopus.patch 
+  #apply_patch http://rwijnsma.home.xs4all.nl/files/ffmpeg/libopus.patch # allow it to work with shared builds
+  apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/libopus.patch # allow it to work with shared builds
+  generic_configure_make_install 
   cd ..
 }
 
@@ -862,8 +882,10 @@
 }
 
 build_libopencore() {
-  generic_download_and_make_and_install https://sourceforge.net/projects/opencore-amr/files/opencore-amr/opencore-amr-0.1.3.tar.gz
-  generic_download_and_make_and_install https://sourceforge.net/projects/opencore-amr/files/vo-amrwbenc/vo-amrwbenc-0.1.2.tar.gz
+  #generic_download_and_make_and_install https://sourceforge.net/projects/opencore-amr/files/opencore-amr/opencore-amr-0.1.3.tar.gz
+  generic_download_and_make_and_install https://sourceforge.net/projects/opencore-amr/files/opencore-amr/opencore-amr-0.1.5.tar.gz
+  #generic_download_and_make_and_install https://sourceforge.net/projects/opencore-amr/files/vo-amrwbenc/vo-amrwbenc-0.1.2.tar.gz
+  generic_download_and_make_and_install https://sourceforge.net/projects/opencore-amr/files/vo-amrwbenc/vo-amrwbenc-0.1.3.tar.gz
 }
 
 build_libdlfcn() {
@@ -875,8 +897,10 @@
 }
 
 build_libjpeg_turbo() {
-  download_and_unpack_file https://sourceforge.net/projects/libjpeg-turbo/files/1.5.0/libjpeg-turbo-1.5.0.tar.gz
-  cd libjpeg-turbo-1.5.0
+  #download_and_unpack_file https://sourceforge.net/projects/libjpeg-turbo/files/1.5.0/libjpeg-turbo-1.5.0.tar.gz
+  #cd libjpeg-turbo-1.5.0
+  download_and_unpack_file https://github.com/libjpeg-turbo/libjpeg-turbo/archive/1.5.1.tar.gz libjpeg-turbo-1.5.1
+  cd libjpeg-turbo-1.5.1
     #do_cmake_and_install "-DNASM=yasm" # couldn't figure out a static only build with cmake...maybe you can these days dunno
     generic_configure "NASM=yasm"
     do_make_and_make_install
@@ -885,15 +909,29 @@
 }
 
 build_libogg() {
-  generic_download_and_make_and_install http://downloads.xiph.org/releases/ogg/libogg-1.3.1.tar.gz
+  #generic_download_and_make_and_install http://downloads.xiph.org/releases/ogg/libogg-1.3.1.tar.gz
+  #generic_download_and_make_and_install http://downloads.xiph.org/releases/ogg/libogg-1.3.2.tar.gz
+  do_git_checkout https://github.com/xiph/ogg.git
+  cd ogg_git
+  generic_configure_make_install
+  cd ..
 }
 
 build_libvorbis() {
-  generic_download_and_make_and_install http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.4.tar.gz
+  #generic_download_and_make_and_install http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.4.tar.gz
+  #generic_download_and_make_and_install http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.5.tar.gz
+  do_git_checkout https://github.com/xiph/vorbis.git
+  cd vorbis_git
+  generic_configure_make_install
+  cd ..
 }
 
 build_libspeexdsp() {
-  generic_download_and_make_and_install http://downloads.xiph.org/releases/speex/speexdsp-1.2rc3.tar.gz
+  #generic_download_and_make_and_install http://downloads.xiph.org/releases/speex/speexdsp-1.2rc3.tar.gz
+  do_git_checkout https://github.com/xiph/speexdsp.git
+  cd speexdsp_git
+  generic_configure_make_install
+  cd ..
 }
 
 build_libspeex() {
@@ -904,7 +942,7 @@
   #cd ..
   do_git_checkout https://github.com/xiph/speex.git
   cd speex_git
-    generic_configure_make_install
+  generic_configure_make_install
   cd ..
 }  
 
@@ -916,33 +954,39 @@
     generic_configure_make_install 
   cd ..
   cpu_count=$original_cpu_count
+  #do_git_checkout https://github.com/xiph/theora.git
+  #cd theora_git
+  #generic_configure_make_install
+  #cd ..
 }
 
 build_libfribidi() {
   # generic_download_and_make_and_install http://fribidi.org/download/fribidi-0.19.5.tar.bz2 fribidi-0.19.5 # got report of still failing?
-  download_and_unpack_file http://fribidi.org/download/fribidi-0.19.4.tar.bz2
-  cd fribidi-0.19.4
+  #download_and_unpack_file http://fribidi.org/download/fribidi-0.19.4.tar.bz2
+  #cd fribidi-0.19.4
     # make it export symbols right...
-    apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/fribidi.diff
-    generic_configure_make_install
-  cd ..
-
+    #apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/fribidi.diff
+    #generic_configure_make_install
   #do_git_checkout http://anongit.freedesktop.org/git/fribidi/fribidi.git
   #cd fribidi_git
   #  ./bootstrap # couldn't figure out how to make this work...
   #  generic_configure_make_install
   #cd ..
+  generic_download_and_make_and_install https://www.fribidi.org/download/fribidi-0.19.7.tar.bz2 # 1.19.7 doesn't need patching ?
 }
 
 build_libass() {
-  generic_download_and_make_and_install https://github.com/libass/libass/releases/download/0.13.1/libass-0.13.1.tar.gz 
+  #generic_download_and_make_and_install https://github.com/libass/libass/releases/download/0.13.1/libass-0.13.1.tar.gz 
+  generic_download_and_make_and_install https://github.com/libass/libass/releases/download/0.13.6/libass-0.13.6.tar.gz 
   # fribidi, fontconfig, freetype throw them all in there for good measure, trying to help mplayer once though it didn't help [FFmpeg needed a change for fribidi here though I believe]
   sed -i.bak 's/-lass -lm/-lass -lfribidi -lfontconfig -lfreetype -lexpat -lm/' "$PKG_CONFIG_PATH/libass.pc"
 }
 
 build_gmp() {
-  download_and_unpack_file https://gmplib.org/download/gmp/gmp-6.0.0a.tar.xz gmp-6.0.0
-  cd gmp-6.0.0
+  #download_and_unpack_file https://gmplib.org/download/gmp/gmp-6.0.0a.tar.xz gmp-6.0.0
+  #cd gmp-6.0.0
+  download_and_unpack_file https://gmplib.org/download/gmp/gmp-6.1.2.tar.xz gmp-6.1.2
+  cd gmp-6.1.2
     export CC_FOR_BUILD=/usr/bin/gcc
     export CPP_FOR_BUILD=usr/bin/cpp
     generic_configure "ABI=$bits_target"
@@ -953,7 +997,8 @@
 }
 
 build_orc() {
-  generic_download_and_make_and_install https://download.videolan.org/contrib/orc-0.4.18.tar.gz
+  #generic_download_and_make_and_install https://download.videolan.org/contrib/orc-0.4.18.tar.gz
+  generic_download_and_make_and_install https://gstreamer.freedesktop.org/src/orc/orc-0.4.26.tar.xz
 }
 
 build_libxml2() {
@@ -977,8 +1022,10 @@
 }
 
 build_gnutls() {
-  download_and_unpack_file http://www.mirrorservice.org/sites/ftp.gnupg.org/gcrypt/gnutls/v3.5/gnutls-3.5.9.tar.xz
-  cd gnutls-3.5.9
+  #download_and_unpack_file http://www.mirrorservice.org/sites/ftp.gnupg.org/gcrypt/gnutls/v3.5/gnutls-3.5.9.tar.xz
+  #cd gnutls-3.5.9
+  download_and_unpack_file https://www.mirrorservice.org/sites/ftp.gnupg.org/gcrypt/gnutls/v3.5/gnutls-3.5.10.tar.xz
+  cd gnutls-3.5.10
     sed -i.bak 's/mkstemp(tmpfile)/ -1 /g' src/danetool.c # fix x86_64 absent? but danetool is just an exe AFAICT so this hack should be ok...
     # --disable-cxx don't need the c++ version, in an effort to cut down on size... XXXX test size difference... 
     # --enable-local-libopts to allow building with local autogen installed, 
@@ -992,15 +1039,18 @@
 }
 
 build_libnettle() {
-  download_and_unpack_file https://ftp.gnu.org/gnu/nettle/nettle-3.1.tar.gz
-  cd nettle-3.1
+  #download_and_unpack_file https://ftp.gnu.org/gnu/nettle/nettle-3.1.tar.gz
+  #cd nettle-3.1
+  download_and_unpack_file https://ftp.gnu.org/gnu/nettle/nettle-3.3.tar.gz
+  cd nettle-3.3
     generic_configure "--disable-openssl --with-included-libtasn1" # in case we have both gnutls and openssl, just use gnutls [except that gnutls uses this so...huh? https://github.com/rdp/ffmpeg-windows-build-helpers/issues/25#issuecomment-28158515
     do_make_and_make_install
   cd ..
 }
 
 build_bzlib2() {
-  download_and_unpack_file https://fossies.org/linux/misc/bzip2-1.0.6.tar.gz
+  #download_and_unpack_file https://fossies.org/linux/misc/bzip2-1.0.6.tar.gz # this became unavailable :(
+  download_and_unpack_file http://www.bzip.org/1.0.6/bzip2-1.0.6.tar.gz
   cd bzip2-1.0.6
     apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/bzip2_cross_compile.diff
     do_make "$make_prefix_options libbz2.a bzip2 bzip2recover install"
@@ -1008,14 +1058,17 @@
 }
 
 build_zlib() {
-  download_and_unpack_file https://sourceforge.net/projects/libpng/files/zlib/1.2.8/zlib-1.2.8.tar.gz
-  cd zlib-1.2.8
+  #download_and_unpack_file https://sourceforge.net/projects/libpng/files/zlib/1.2.8/zlib-1.2.8.tar.gz
+  #cd zlib-1.2.8
+  download_and_unpack_file https://sourceforge.net/projects/libpng/files/zlib/1.2.11/zlib-1.2.11.tar.gz
+  cd zlib-1.2.11
     do_configure "--static --prefix=$mingw_w64_x86_64_prefix"
     do_make_and_make_install "$make_prefix_options ARFLAGS=rcs"
   cd ..
 }
 
 build_libxvid() {
+# 2017.04.09 ffmpeg apparently now has Native support for this Encoding and Decoding ... comment out the call to this function
   download_and_unpack_file http://downloads.xvid.org/downloads/xvidcore-1.3.3.tar.gz xvidcore
   cd xvidcore/build/generic
   do_configure "--host=$host_target --prefix=$mingw_w64_x86_64_prefix $config_opts" # no static option...
@@ -1034,8 +1087,10 @@
 }
 
 build_fontconfig() {
-  download_and_unpack_file https://www.freedesktop.org/software/fontconfig/release/fontconfig-2.11.94.tar.gz 
-  cd fontconfig-2.11.94
+  #download_and_unpack_file https://www.freedesktop.org/software/fontconfig/release/fontconfig-2.11.94.tar.gz 
+  #cd fontconfig-2.11.94
+  download_and_unpack_file https://www.freedesktop.org/software/fontconfig/release/fontconfig-2.12.1.tar.gz 
+  cd fontconfig-2.12.1
     export CFLAGS= # compile fails with -march=sandybridge ... with mingw 4.0.6 at least ...
     generic_configure --disable-docs
     do_make_and_make_install
@@ -1044,7 +1099,6 @@
   sed -i.bak 's/-L${libdir} -lfontconfig[^l]*$/-L${libdir} -lfontconfig -lfreetype -lexpat/' "$PKG_CONFIG_PATH/fontconfig.pc"
 }
 
-
 build_openssl() {
   # warning, this is a very old version of openssl since we don't really use it anymore hasn't been updated in awhile...
   download_and_unpack_file https://www.openssl.org/source/openssl-1.1.0e.tar.gz
@@ -1089,12 +1143,15 @@
 }
 
 build_libexpat() {
-  generic_download_and_make_and_install https://sourceforge.net/projects/expat/files/expat/2.1.0/expat-2.1.0.tar.gz
+  #generic_download_and_make_and_install https://sourceforge.net/projects/expat/files/expat/2.1.0/expat-2.1.0.tar.gz
+  generic_download_and_make_and_install https://sourceforge.net/projects/expat/files/expat/2.2.0/expat-2.2.0.tar.bz2
 }
 
 build_iconv() {
-  download_and_unpack_file https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz 
-  cd libiconv-1.14
+  #download_and_unpack_file https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz 
+  #cd libiconv-1.14
+  download_and_unpack_file https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.15.tar.gz 
+  cd libiconv-1.15
     export CFLAGS=-O2 # ??
     generic_configure_make_install
     reset_cflags
@@ -1102,8 +1159,11 @@
 }
 
 build_freetype() {
-  download_and_unpack_file https://download.videolan.org/contrib/freetype2/freetype-2.6.3.tar.gz
-  cd freetype-2.6.3
+  #download_and_unpack_file https://download.videolan.org/contrib/freetype2/freetype-2.6.3.tar.gz
+  #cd freetype-2.6.3
+  # version 2.7.1 wouldn't build ???? :( 
+  download_and_unpack_file https://sourceforge.net/projects/freetype/files/freetype2/2.7.1/freetype-2.7.1.tar.bz2
+  cd freetype-2.7.1
     if [[ `uname -s` == CYGWIN* ]]; then
       generic_configure "--build=i686-pc-cygwin --with-png=no"  # hard to believe but needed...
     else
@@ -1135,7 +1195,6 @@
   # apparently ffmpeg expects prefix-sdl-config not sdl-config that they give us, so rename...
   export CFLAGS=-DDECLSPEC=  # avoid SDL trac tickets 939 and 282, and not worried about optimizing yet...
   download_and_unpack_file http://libsdl.org/release/SDL2-2.0.5.tar.gz
-
   cd SDL2-2.0.5
      generic_configure
      # apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/sdl2.xinput.diff mingw-w64 master needs it?
@@ -1167,7 +1226,8 @@
 }
 
 build_vamp_plugin() { 
-  download_and_unpack_file https://sourceforge.net/projects/ffmpegwindowsbi/files/dependency_libraries/vamp-plugin-sdk-2.6.tar.gz
+  #download_and_unpack_file https://sourceforge.net/projects/ffmpegwindowsbi/files/dependency_libraries/vamp-plugin-sdk-2.6.tar.gz
+  download_and_unpack_file https://code.soundsoftware.ac.uk/attachments/download/1520/vamp-plugin-sdk-2.6.tar.gz
   cd vamp-plugin-sdk-2.6
     generic_configure
     do_make_and_make_install "$make_prefix_options sdkstatic"
@@ -1175,11 +1235,14 @@
 }
 
 build_fftw() {
-  generic_download_and_make_and_install http://www.fftw.org/fftw-3.3.5.tar.gz # said to make it "double precision-er"
+  #generic_download_and_make_and_install http://www.fftw.org/fftw-3.3.5.tar.gz # said to make it "double precision-er"
+  generic_download_and_make_and_install http://www.fftw.org/fftw-3.3.6-pl2.tar.gz
 }
 
 build_libsamplerate() {
   generic_download_and_make_and_install http://www.mega-nerd.com/SRC/libsamplerate-0.1.8.tar.gz # can use this, but uses speex bundled by default [any difference?]
+  # version 0.1.9 wouldn't build :( see if someone can spend time on it
+  #generic_download_and_make_and_install http://www.mega-nerd.com/SRC/libsamplerate-0.1.9.tar.gz # 0.1.9 fails to build
 }
 
 build_librubberband() {
@@ -1245,8 +1308,10 @@
 }
 
 build_lua() {
-  download_and_unpack_file https://www.lua.org/ftp/lua-5.3.3.tar.gz
-  cd lua-5.3.3
+  #download_and_unpack_file https://www.lua.org/ftp/lua-5.3.3.tar.gz
+  #cd lua-5.3.3
+  download_and_unpack_file https://www.lua.org/ftp/lua-5.3.4.tar.gz
+  cd lua-5.3.4
     export AR="${cross_prefix}ar rcu" # needs rcu parameter so have to call it out different :|
     do_make "CC=${cross_prefix}gcc RANLIB=${cross_prefix}ranlib generic" # generic == "generic target" and seems to result in a static build, no .exe's blah blah the mingw option doesn't even build liblua.a
     unset AR
@@ -1261,8 +1326,10 @@
 
 build_frei0r() {
   # theoretically we could get by with just copying a .h file in, but why not build the .dll's here anyway, for fun, and in case useful? :)
-  download_and_unpack_file https://files.dyne.org/frei0r/releases/frei0r-plugins-1.4.tar.gz
-  cd frei0r-plugins-1.4
+  #download_and_unpack_file https://files.dyne.org/frei0r/releases/frei0r-plugins-1.4.tar.gz
+  #cd frei0r-plugins-1.4
+  download_and_unpack_file https://files.dyne.org/frei0r/releases/frei0r-plugins-1.5.0.tar.gz
+  cd frei0r-plugins-1.5.0
     sed -i.bak "s/find_package (Cairo)//g" CMakeLists.txt
     do_cmake_and_install
   cd ..
@@ -1277,13 +1344,16 @@
 }
 
 build_libcurl() {
-  generic_download_and_make_and_install https://curl.haxx.se/download/curl-7.46.0.tar.gz
+  #generic_download_and_make_and_install https://curl.haxx.se/download/curl-7.46.0.tar.gz
+  generic_download_and_make_and_install https://curl.haxx.se/download/curl-7.53.1.tar.gz
 }
 
 build_netcdf() {
   # used for sofalizer filter
-  download_and_unpack_file http://gfd-dennou.org/arch/ucar/unidata/pub/netcdf/netcdf-4.4.1.tar.gz
-  cd netcdf-4.4.1
+  #download_and_unpack_file http://gfd-dennou.org/arch/ucar/unidata/pub/netcdf/netcdf-4.4.1.tar.gz
+  #cd netcdf-4.4.1
+  download_and_unpack_file http://gfd-dennou.org/arch/ucar/unidata/pub/netcdf/netcdf-4.4.1.1.tar.gz
+  cd netcdf-4.4.1.1
     generic_configure --disable-netcdf-4 --disable-dap # its dependencies were *hard* LOL
     do_make_and_make_install
   cd ..
@@ -1500,9 +1570,11 @@
   fi
 
   init_options="--arch=$arch --target-os=mingw32 --cross-prefix=$cross_prefix --pkg-config=pkg-config --disable-w32threads"
-  config_options="$init_options --enable-libsoxr --enable-fontconfig --enable-libass --enable-libbluray --enable-iconv --enable-libtwolame --extra-cflags=-DLIBTWOLAME_STATIC --enable-libzvbi --enable-libcaca --enable-libmodplug --extra-libs=-lstdc++ --extra-libs=-lpng --enable-decklink --extra-libs=-loleaut32  --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libopenjpeg --enable-gnutls  --enable-libgsm --enable-libfreetype --enable-libopus --enable-bzlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-libvpx --enable-libilbc --enable-libwavpack --enable-libwebp --enable-libgme --enable-dxva2 --enable-gray --enable-libopenh264 --enable-netcdf  --enable-libflite --enable-lzma --enable-libsnappy --enable-libzimg"
+  #config_options="$init_options --enable-libsoxr --enable-fontconfig --enable-libass --enable-libbluray --enable-iconv --enable-libtwolame --extra-cflags=-DLIBTWOLAME_STATIC --enable-libzvbi --enable-libcaca --enable-libmodplug --extra-libs=-lstdc++ --extra-libs=-lpng --enable-decklink --extra-libs=-loleaut32  --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libopenjpeg --enable-gnutls  --enable-libgsm --enable-libfreetype --enable-libopus --enable-bzlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-libvpx --enable-libilbc --enable-libwavpack --enable-libwebp --enable-libgme --enable-dxva2 --enable-gray --enable-libopenh264 --enable-netcdf  --enable-libflite --enable-lzma --enable-libsnappy --enable-libzimg"
+  config_options="$init_options --enable-libsoxr --enable-fontconfig --enable-libass --enable-libbluray --enable-iconv --enable-libtwolame --extra-cflags=-DLIBTWOLAME_STATIC --enable-libzvbi --enable-libcaca --enable-libmodplug --extra-libs=-lstdc++ --extra-libs=-lpng --enable-decklink --extra-libs=-loleaut32  --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libopenjpeg --enable-gnutls  --enable-libgsm --enable-libfreetype --enable-libopus --enable-bzlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-libvpx --enable-libilbc --enable-libwebp --enable-libgme --enable-dxva2 --enable-gray --enable-libopenh264 --enable-netcdf  --enable-libflite --enable-lzma --enable-libsnappy --enable-libzimg"
   if [[ $enable_gpl == 'y' ]]; then
-    config_options="$config_options --enable-gpl --enable-libx264 --enable-libx265 --enable-frei0r --enable-filter=frei0r --enable-librubberband --enable-libvidstab --enable-libxavs --enable-libxvid --enable-avisynth"
+    #config_options="$config_options --enable-gpl --enable-libx264 --enable-libx265 --enable-frei0r --enable-filter=frei0r --enable-librubberband --enable-libvidstab --enable-libxavs --enable-libxvid --enable-avisynth"
+    config_options="$config_options --enable-gpl --enable-libx264 --enable-libx265 --enable-frei0r --enable-filter=frei0r --enable-librubberband --enable-libvidstab --enable-libxavs --enable-avisynth"
   fi
   # other possibilities (you'd need to also uncomment the call to their build method): 
   #   --enable-w32threads # [worse UDP than pthreads, so not using that] 
@@ -1526,7 +1598,13 @@
     # other possible options: --enable-openssl [unneeded since we use gnutls] 
     #  apply_patch https://raw.githubusercontent.com/rdp/ffmpeg-windows-build-helpers/master/patches/nvresize2.patch "-p1" # uncomment if you want to test nvresize filter [et al] http://ffmpeg.org/pipermail/ffmpeg-devel/2015-November/182781.html patch worked with 7ab37cae34b3845
   fi
-
+  
+  # ---------- for future opencl build compatibility - start
+  # add the opencl commandline switch --enable-opencl for "the real kahuna" and hope for the best
+  if [[ $enable_opencl == 'y' ]]; then
+    config_options="$config_options --enable-opencl"
+  fi
+  # ---------- for future opencl build compatibility - end
   config_options="$config_options --enable-runtime-cpudetect" # not sure what this even does but this is the most compatible
 
   do_debug_build=n # if you need one for backtraces/examining segfaults using gdb.exe ... change this to y :) XXXX make it affect x264 too...and make it param
@@ -1608,11 +1686,10 @@
   build_libnettle # needs gmp
   build_iconv # mplayer I think needs it for freetype [just it though], vlc also wants it.  looks like ffmpeg can use it too...not sure what for :)
   build_gnutls # needs libnettle, can use iconv it appears
-
   build_frei0r
   build_libsndfile
   build_libbs2b # needs libsndfile
-  build_wavpack
+  #build_wavpack # 2017.04.09 ffmpeg apparently now has Native support for this ... comment out the call to this function and in ffmpeg config_options --enable_wavpack
   build_libgme_game_music_emu
   build_libwebp
   build_libflite # not for now till after rubberband
@@ -1622,9 +1699,9 @@
   build_libopus
   build_libopencore
   build_libogg
+  build_libvorbis # needs libogg
   build_libspeexdsp # needs libogg for exe's
   build_libspeex # needs libspeexdsp
-  build_libvorbis # needs libogg
   build_libtheora # needs libvorbis, libogg
   build_orc
   build_libschroedinger # needs orc
@@ -1633,18 +1710,16 @@
   build_libxml2
   build_libbluray # needs libxml2, freetype
   # build_libjpeg_turbo # mplayer can use this, VLC qt might need it? [replaces libjpeg]
-  build_libxvid
+  #build_libxvid # 2017.04.09 ffmpeg apparently now has Native support for this Encoding and Decoding ... comment out the call to this function and in ffmpeg config_options --enable_libxvid
   build_libxavs
   build_libsoxr
   #build_libebur128 # needs speex # Now included in ffmpeg as internal library
   build_libx265
   build_libopenh264
-
   build_vamp_plugin # requires libsndfile
   build_fftw
   build_libsamplerate
   build_librubberband # needs libsndfile, vamp_plugin [though it never uses it], fftw, libsamplerate [some of which it doesn't have to use, but configure require they be installed, so we use them anyway...gah]
-
   build_lame
   build_twolame
   build_vidstab
@@ -1732,18 +1807,19 @@
 build_mp4box=n
 build_mplayer=n
 build_vlc=n
-build_lsw=n
+build_lsw=y # yes, so x264 can be built with it ... we want the latest and greatest don't we ?
 git_get_latest=y
-prefer_stable=y
+prefer_stable=n # get the latest by default, we want the latest and greatest don't we ?
 build_intel_qsv=y
 #disable_nonfree=n # have no value by default to force user selection
 original_cflags='-mtune=generic -O3' #  be careful, these override lots of stuff in makesfiles :| can't use mtune=core2 since it bworks it for some cpu's
 # if you specify a march it needs to first so x264's configure will use it :|
-build_x264_with_libav=n
+# change a couple of the defaults
 ffmpeg_git_checkout_version=
 build_ismindex=n
 enable_gpl=y
-
+build_x264_with_libav=y
+enable_opencl=n # this is niche, not for everyone, you need to do "external" work beforehand for this to build
 # parse command line parameters, if any
 while true; do
   case $1 in
@@ -1805,7 +1881,6 @@
     * ) break ;;
   esac
 done
-
 reset_cflags # also overrides any "native" CFLAGS, which we may need if there are some 'linux only' settings in there
 check_missing_packages # do this first since it's annoying to go through prompts then be rejected
 intro # remember to always run the intro, since it adjust pwd
@@ -1842,8 +1917,73 @@
   make_prefix_options="CC=${cross_prefix}gcc AR=${cross_prefix}ar PREFIX=$mingw_w64_x86_64_prefix RANLIB=${cross_prefix}ranlib LD=${cross_prefix}ld STRIP=${cross_prefix}strip CXX=${cross_prefix}g++"
   mkdir -p win32
   cd win32
+# ---------- for future opencl build, provided files are pre-copied into the righ folders before running this script - start
+# dependencies sudo apt-get install -y subversion curl texinfo g++ bison flex cvs yasm automake libtool-bin ed autoconf gcc cmake git make pkg-config zlib1g-dev mercurial unzip pax wget nasm curl ant
+# ... gendef is installed with mingw
+  if [[ $enable_opencl == 'y' ]]; then
+    set -x
+    echo "We assume that the 32bit dll c:\Windows\syswow64\OpenCL.dll has been pre-copied into  ffmpeg-windows-build-helpers-master/openclx32/OpenCL.dll (name case sensitive)"
+    pwd
+	echo $path
+	#read -p "Press Enter to continue... or control-C if the pwd is not the sandbox/win32 folder"
+    mkdir openclx32
+    cp ../../openclx32/* ./openclx32
+    cd openclx32
+    echo ""
+    #echo "${cross_prefix}gendef OpenCL.dll ...gendef was compiled when building mingw by adding --enable-gendef"
+    #${cross_prefix}gendef OpenCL.dll
+    echo "${mingw_bin_path}gendef OpenCL.dll ...gendef was compiled when building mingw by adding --enable-gendef"
+    ${mingw_bin_path}/gendef OpenCL.dll
+    echo ""
+    #read -p "after gendef Press Enter to continue... or control-C if not happy"
+    echo "---"
+    echo ""
+    echo "dlltool runs next, it gets built within mingw, although you do have to search to find it"
+	${cross_prefix}dlltool -l libOpenCL.a -d OpenCL.def -k -A 
+    echo ""
+    #read -p "after dlltool Press Enter to continue... or control-C if not happy"
+    echo "---"
+    echo ""
+	echo "32 bit get the OpenCL 1.2 headers from Khronos ..."
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/opencl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_platform.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_ext.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_egl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_dx9_media_sharing.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_d3d10.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_d3d11.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_gl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_gl_ext.h -O --fail || exit 1
+    echo "-------------------------------------------------------------"
+    #read -p "Press Enter to continue... or control-C if not happy"
+    pwd
+    ls -al
+	#/ffmpeg-windows-build-helpers-master/sandbox/cross_compilers/mingw-w64-i686/i686-w64-mingw32/include 
+    #/ffmpeg-windows-build-helpers-master/sandbox/cross_compilers/mingw-w64-i686/i686-w64-mingw32/lib
+	mkdir ${mingw_w64_x86_64_prefix}/include/OpenCL
+	mkdir ${mingw_w64_x86_64_prefix}/include/CL
+    echo "---"
+	cp *.h ${mingw_w64_x86_64_prefix}/include/OpenCL
+	cp *.h ${mingw_w64_x86_64_prefix}/include/CL
+	cp *.a ${mingw_w64_x86_64_prefix}/lib
+	echo "---"
+	cd ..
+    echo ""
+	#read -p "Press Enter to continue... or control-C if not happy"
+    set +x
+  fi
+  #read -p "Press Enter to continue... or control-C if not happy"
+# ---------- for future opencl build, provided files are pre-copied into the right folders before running this script - end
     build_dependencies
     build_apps
+  # ---------- rebuild x264 with lsw so that if can produce .mp4 output files - start
+  # https://github.com/rdp/ffmpeg-windows-build-helpers/issues/218#issuecomment-290147276
+  if [[ $build_lsw == 'y' ]]; then
+     build_lsw
+     build_libx264
+  fi
+  # ---------- rebuild x264 with lsw so that if can produce .mp4 output files - end
   cd ..
 fi
 
@@ -1860,8 +2000,73 @@
   make_prefix_options="CC=${cross_prefix}gcc AR=${cross_prefix}ar PREFIX=$mingw_w64_x86_64_prefix RANLIB=${cross_prefix}ranlib LD=${cross_prefix}ld STRIP=${cross_prefix}strip CXX=${cross_prefix}g++"
   mkdir -p x86_64
   cd x86_64
+# ---------- for future opencl build, provided files are pre-copied into the right folders before running this script - start
+# dependencies sudo apt-get install -y subversion curl texinfo g++ bison flex cvs yasm automake libtool-bin ed autoconf gcc cmake git make pkg-config zlib1g-dev mercurial unzip pax wget nasm curl ant
+# ... gendef is installed with mingw
+  if [[ $enable_opencl == 'y' ]]; then
+    set -x
+    echo "We assume that the 64bit dll c:\Windows\System32\OpenCL.dll has been pre-copied into  ffmpeg-windows-build-helpers-master/openclx64/OpenCL.dll (name case sensitive)"
+    pwd
+	echo $path
+	#read -p "Press Enter to continue... or control-C if the pwd is not the sandbox/win64 folder"
+    mkdir openclx64
+    cp ../../openclx64/* ./openclx64
+    cd openclx64
+    echo ""
+    #echo "${cross_prefix}gendef OpenCL.dll ...gendef was compiled when building mingw by adding --enable-gendef"
+    #${cross_prefix}gendef OpenCL.dll
+    echo "${mingw_bin_path}gendef OpenCL.dll ...gendef was compiled when building mingw by adding --enable-gendef"
+    ${mingw_bin_path}/gendef OpenCL.dll
+    echo ""
+    #read -p "after gendef Press Enter to continue... or control-C if not happy"
+    echo "---"
+    echo ""
+    echo "dlltool runs next, it gets built within mingw"
+	${cross_prefix}dlltool -l libOpenCL.a -d OpenCL.def -k -A 
+    echo ""
+    #read -p "after dlltool Press Enter to continue... or control-C if not happy"
+    echo "---"
+    echo ""
+	echo "64 bit get the OpenCL 1.2 headers from Khronos ..."
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/opencl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_platform.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_ext.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_egl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_dx9_media_sharing.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_d3d10.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_d3d11.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_gl.h -O --fail || exit 1
+    curl -4 https://raw.githubusercontent.com/KhronosGroup/OpenCL-Headers/opencl12/cl_gl_ext.h -O --fail || exit 1
+    echo "-------------------------------------------------------------"
+    #read -p "Press Enter to continue... or control-C if not happy"
+    pwd
+    ls -al
+	#/ffmpeg-windows-build-helpers-master/sandbox/cross_compilers/mingw-w64-i686/i686-w64-mingw32/include 
+    #/ffmpeg-windows-build-helpers-master/sandbox/cross_compilers/mingw-w64-i686/i686-w64-mingw32/lib
+	mkdir ${mingw_w64_x86_64_prefix}/include/OpenCL
+	mkdir ${mingw_w64_x86_64_prefix}/include/CL
+    echo "---"
+	cp *.h ${mingw_w64_x86_64_prefix}/include/OpenCL
+	cp *.h ${mingw_w64_x86_64_prefix}/include/CL
+	cp *.a ${mingw_w64_x86_64_prefix}/lib
+    echo "---"
+	cd ..
+    echo ""
+	#read -p "Press Enter to continue... or control-C if not happy"
+    set +x
+  fi
+  #read -p "Press Enter to continue... or control-C if not happy"
+# ---------- for future opencl build, provided files are pre-copied into the right folders before running this script - end
     build_dependencies
     build_apps
+  # ---------- rebuild x264 with lsw so that if can produce .mp4 output files - start
+  # https://github.com/rdp/ffmpeg-windows-build-helpers/issues/218#issuecomment-290147276
+  if [[ $build_lsw == 'y' ]]; then
+     build_lsw
+     build_libx264
+  fi
+  # ---------- rebuild x264 with lsw so that if can produce .mp4 output files - end
   cd ..
 fi