new file: a/ATK/ATK-2.34.1-GCCcore-8.3.0.eb

new file: a/at-spi2-atk/at-spi2-atk-2.34.1-GCCcore-8.3.0.eb new file: a/at-spi2-core/at-spi2-core-2.34.0-GCCcore-8.3.0.eb modified: b/Boost/Boost-1.72.0-intel-2020a.eb modified: b/binutils/binutils-2.32-GCCcore-8.3.0.eb new file: b/bzip2/bzip2-1.0.8-GCCcore-8.3.0.eb new file: c/CMake/CMake-3.16.2-GCCcore-8.3.0.eb new file: c/cairo/cairo-1.17.2-GCCcore-8.3.0.eb new file: d/DBus/DBus-1.13.8-GCCcore-8.3.0.eb new file: f/FFmpeg/FFmpeg-4.2.2-GCCcore-8.3.0.eb new file: f/FriBidi/FriBidi-1.0.9-GCCcore-8.3.0.eb new file: f/fontconfig/fontconfig-2.12.6-GCCcore-8.3.0.eb new file: g/GLib/GLib-2.64.0-GCCcore-8.3.0.eb new file: g/GObject-Introspection/GObject-Introspection-1.63.1-GCCcore-8.3.0-Py-3.7.eb modified: g/GTK+/GTK+-3.24.13-GCCcore-8.3.0.eb new file: g/Gdk-Pixbuf/Gdk-Pixbuf-2.38.2-GCCcore-8.3.0.eb new file: g/gettext/gettext-0.19.8.1-GCCcore-8.3.0.eb modified: h/HDF5/HDF5-1.10.6-intel-2020a.eb new file: h/HarfBuzz/HarfBuzz-2.6.4-GCCcore-8.3.0.eb new file: i/ICU/ICU-64.2-GCCcore-8.3.0.eb new file: j/JasPer/JasPer-2.0.14-GCCcore-8.3.0.eb new file: l/LibTIFF/LibTIFF-4.1.0-GCCcore-8.3.0.eb new file: l/libffi/libffi-3.3-GCCcore-8.3.0.eb new file: l/libjpeg-turbo/libjpeg-turbo-2.0.4-GCCcore-8.3.0.eb modified: m/Mesa/Mesa-19.2.1-GCCcore-8.3.0.eb new file: n/ncurses/ncurses-6.1-GCCcore-8.3.0.eb modified: n/netCDF/netCDF-4.7.3-intel-2020a.eb modified: n/numpy/numpy-1.18.1-Py-3.7.eb modified: o/OpenCV/OpenCV-3.4.7-intel-2020a-Py-3.7.eb new file: o/OpenCV/OpenCV-4.2.0-intel-2020a-Py-3.7.eb new file: o/OpenCV/OpenCV-4.2.0_disable-AVX512-CascadeLake.patch new file: p/Pango/Pango-1.44.7-GCCcore-8.3.0.eb modified: p/Py/Py-3.6.eb modified: p/Py/Py-3.7.eb modified: p/Py/Py-3.8.eb new file: p/Python/Python-3.6.10-GCCcore-8.3.0-base.eb new file: p/Python/Python-3.7.7-GCCcore-8.3.0-base.eb modified: p/Python/Python-3.8.2-GCC-8.3.0-2.32-base.eb new file: p/Python/Python-3.8.2-GCCcore-8.3.0-base.eb new file: s/SQLite/SQLite-3.30.1-GCCcore-8.3.0.eb new file: t/Tcl/Tcl-8.6.10-GCCcore-8.3.0.eb modified: v/VTK/VTK-8.2.0-foss-2019b-Python-3.7.4.eb modified: v/VTK/VTK-8.2.0-intel-2020a-Py-3.7.eb modified: x/X11/X11-20190717-GCCcore-8.3.0.eb modified: x/XZ/XZ-5.2.4-GCCcore-8.3.0.eb new file: x/x264/x264-20190925-GCCcore-8.3.0.eb new file: x/x265/x265-3.2-GCCcore-8.3.0.eb deleted: o/OpenCV/OpenCV-4.2.0-Py-3.7.eb
2025-04-04 06:11:36 +01:00 · 2020-03-31 13:10:58 +02:00 · 2020-03-31 13:10:58 +02:00 · 7b3449095d
commit 7b3449095d
parent e27915aeb6
48 changed files with 1393 additions and 114 deletions
--- a/a/ATK/ATK-2.34.1-GCCcore-8.3.0.eb
+++ b/a/ATK/ATK-2.34.1-GCCcore-8.3.0.eb
@ -0,0 +1,40 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'ATK'
+version = '2.34.1'
+
+homepage = 'https://developer.gnome.org/ATK/stable/'
+description = """
+ ATK provides the set of accessibility interfaces that are implemented by other
+ toolkits and applications. Using the ATK interfaces, accessibility tools have
+ full access to view and control running applications.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [FTPGNOME_SOURCE]
+sources = [SOURCELOWER_TAR_XZ]
+
+
+builddependencies = [
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('pkg-config', '0.29.2'),
+    ('GObject-Introspection', '1.63.1', '-Py-3.7'),
+]
+
+dependencies = [
+    ('GLib', '2.64.0'),
+]
+
+configopts = "--buildtype=release --default-library=both "
+configopts += "-Dintrospection=true "
+
+sanity_check_paths = {
+    'files': ['lib/libatk-1.0.%s' % SHLIB_EXT],
+    'dirs': [],
+}
+
+moduleclass = 'vis'
--- a/a/at-spi2-atk/at-spi2-atk-2.34.1-GCCcore-8.3.0.eb
+++ b/a/at-spi2-atk/at-spi2-atk-2.34.1-GCCcore-8.3.0.eb
@ -0,0 +1,45 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'at-spi2-atk'
+version = '2.34.1'
+
+homepage = 'https://wiki.gnome.org/Accessibility'
+description = """
+ AT-SPI 2 toolkit bridge
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [FTPGNOME_SOURCE]
+sources = [SOURCELOWER_TAR_XZ]
+patches = ['at-spi2-atk-2.34.1_add-time-header-test.patch']
+checksums = [
+    '776df930748fde71c128be6c366a987b98b6ee66d508ed9c8db2355bf4b9cc16',  # at-spi2-atk-2.34.1.tar.xz
+    'df7d3e29716d2e5a72bf919df675e3742253a356682f6fe0d75cd3849f4a89a3',  # at-spi2-atk-2.34.1_add-time-header-test.patch
+]
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('pkg-config', '0.29.2'),
+]
+
+dependencies = [
+    ('GLib', '2.64.0'),
+    ('DBus', '1.13.8'),
+    ('at-spi2-core', '2.34.0'),
+    ('libxml2', '2.9.9'),
+    ('ATK', '2.34.1'),
+]
+
+configopts = "--libdir lib "
+
+sanity_check_paths = {
+    'files': ['lib/libatk-bridge-2.0.%s' % SHLIB_EXT],
+    'dirs': [],
+}
+
+moduleclass = 'vis'
--- a/a/at-spi2-core/at-spi2-core-2.34.0-GCCcore-8.3.0.eb
+++ b/a/at-spi2-core/at-spi2-core-2.34.0-GCCcore-8.3.0.eb
@ -0,0 +1,41 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'at-spi2-core'
+version = '2.34.0'
+
+homepage = 'https://wiki.gnome.org/Accessibility'
+description = """
+ Assistive Technology Service Provider Interface.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [FTPGNOME_SOURCE]
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['d629cdbd674e539f8912028512af583990938c7b49e25184c126b00121ef11c6']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('GObject-Introspection', '1.63.1', '-Py-3.7'),
+    ('gettext', '0.20.1'),
+    ('pkg-config', '0.29.2'),
+]
+
+dependencies = [
+    ('GLib', '2.64.0'),
+    ('DBus', '1.13.8'),
+    ('X11', '20190717'),
+]
+
+configopts = "--libdir lib "
+
+sanity_check_paths = {
+    'files': ['lib/libatspi.%s' % SHLIB_EXT],
+    'dirs': [],
+}
+
+moduleclass = 'vis'
--- a/b/Boost/Boost-1.72.0-intel-2020a.eb
+++ b/b/Boost/Boost-1.72.0-intel-2020a.eb
@ -14,8 +14,8 @@ sources = ['%%(namelower)s_%s.tar.gz' % '_'.join(version.split('.'))]


 dependencies = [
-    ('bzip2', '1.0.8', '', True),
-    ('zlib', '1.2.11', '', True),
+    ('bzip2', '1.0.8'),
+    ('zlib', '1.2.11'),
 ]

 configopts = '--without-libraries=python'
--- a/b/binutils/binutils-2.32-GCCcore-8.3.0.eb
+++ b/b/binutils/binutils-2.32-GCCcore-8.3.0.eb
@ -13,8 +13,8 @@ sources = [SOURCE_TAR_GZ]
 checksums = ['9b0d97b3d30df184d302bced12f976aa1e5fbf4b0be696cdebc6cca30411a46e']

 builddependencies = [
-    ('flex', '2.6.4', '', True),
-    ('Bison', '3.3.2', '', True),
+    ('flex', '2.6.4'),
+    ('Bison', '3.3.2'),
    # use same local_binutils version that was used when building GCC toolchain, to 'bootstrap' this local_binutils
    ('binutils', version, '', True)
 ]
@ -22,7 +22,7 @@ builddependencies = [
 dependencies = [
    # zlib is a runtime dep to avoid that it gets embedded in libbfd.so,
    # see https://github.com/easybuilders/easybuild-easyblocks/issues/1350
-    ('zlib', '1.2.11', '', True),
+    ('zlib', '1.2.11'),
 ]

 moduleclass = 'tools'
--- a/b/bzip2/bzip2-1.0.8-GCCcore-8.3.0.eb
+++ b/b/bzip2/bzip2-1.0.8-GCCcore-8.3.0.eb
@ -0,0 +1,34 @@
+# IT4Innovations 2020
+
+name = 'bzip2'
+version = '1.0.8'
+
+homepage = 'https://sourceware.org/bzip2'
+
+description = """
+ bzip2 is a freely available, patent free, high-quality data compressor. It
+ typically compresses files to within 10% to 15% of the best available
+ techniques (the PPM family of statistical compressors), whilst being around
+ twice as fast at compression and six times faster at decompression.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://sourceware.org/pub/bzip2/']
+sources = [SOURCE_TAR_GZ]
+patches = ['bzip2-1.0.6-pkgconfig.patch']
+checksums = [
+    'ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269',  # bzip2-1.0.8.tar.gz
+    '5a823e820b332eca3684416894f58edc125ac3dace9f46e62f98e45362aa8a6d',  # bzip2-1.0.6-pkgconfig.patch
+]
+
+builddependencies = [
+    ('CMake', '3.16.2'),
+]
+
+buildopts = 'CC="gcc" CFLAGS="-fpic -fPIC -Wall -Winline -O2 -g -D_FILE_OFFSET_BITS=64"'
+
+parallel = 1
+
+moduleclass = 'tools'
--- a/c/CMake/CMake-3.16.2-GCCcore-8.3.0.eb
+++ b/c/CMake/CMake-3.16.2-GCCcore-8.3.0.eb
@ -0,0 +1,30 @@
+# IT4Innovations 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'CMake'
+version = '3.16.2'
+
+homepage = 'http://www.cmake.org'
+description = """CMake, the cross-platform, open-source build system.
+ CMake is a family of tools designed to build, test and package software."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['http://www.cmake.org/files/v%(version_major_minor)s']
+sources = [SOURCELOWER_TAR_GZ]
+
+configopts = '-- -DCMAKE_USE_OPENSSL=1'
+
+dependencies = [
+    ('ncurses', '6.1'),
+]
+
+osdependencies = [('openssl-devel', 'libssl-dev', 'libopenssl-devel')]
+
+sanity_check_paths = {
+    'files': ["bin/%s" % x for x in ['cmake', 'cpack', 'ctest']],
+    'dirs': [],
+}
+
+moduleclass = 'devel'
--- a/c/cairo/cairo-1.17.2-GCCcore-8.3.0.eb
+++ b/c/cairo/cairo-1.17.2-GCCcore-8.3.0.eb
@ -0,0 +1,68 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'cairo'
+version = '1.17.2'
+
+homepage = 'http://cairographics.org'
+description = """Cairo is a 2D graphics library with support for multiple output devices.
+ Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers,
+ PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['https://cairographics.org/snapshots/']
+sources = [SOURCE_TAR_XZ]
+
+dependencies = [
+    ('bzip2', '1.0.8'),
+    ('zlib', '1.2.11'),
+    ('libpng', '1.6.37'),
+    ('freetype', '2.10.1'),
+    ('pixman', '0.38.4'),
+    ('expat', '2.2.7'),
+    ('GLib', '2.64.0'),
+    ('X11', '20190717'),
+]
+
+# disable symbol lookup, which requires -lbfd, to avoid link issues with
+# (non-PIC) libiberty.a provided by GCC
+configopts = "--enable-symbol-lookup=no --enable-gobject=yes --enable-svg=yes --enable-tee=yes --enable-xlib-xcb "
+
+# workaround for "hidden symbol .* in .* is referenced by DSO" and "ld:
+# final link failed: Bad value"
+buildopts = 'LD="$CC" LDFLAGS="$LDFLAGS"'
+
+sanity_check_paths = {
+    'files': [
+        'bin/cairo-trace',
+        'lib/cairo/libcairo-trace.so',
+        'lib/cairo/libcairo-trace.a',
+        'lib/libcairo.a',
+        'lib/libcairo-gobject.a',
+        'lib/libcairo-script-interpreter.a',
+        'lib/libcairo-gobject.so',
+        'lib/libcairo-script-interpreter.so',
+        'lib/libcairo.so'] +
+    [
+        'include/cairo/cairo%s.h' %
+        x for x in [
+            '',
+            '-deprecated',
+            '-features',
+            '-ft',
+            '-gobject',
+            '-pdf',
+            '-ps',
+            '-script',
+            '-script-interpreter',
+            '-svg',
+            '-version',
+            '-xcb',
+            '-xlib',
+            '-xlib-xrender']],
+    'dirs': ['lib/pkgconfig'],
+}
+
+moduleclass = 'vis'
--- a/d/DBus/DBus-1.13.8-GCCcore-8.3.0.eb
+++ b/d/DBus/DBus-1.13.8-GCCcore-8.3.0.eb
@ -0,0 +1,41 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'DBus'
+version = '1.13.8'
+
+homepage = 'http://dbus.freedesktop.org/'
+
+description = """
+ D-Bus is a message bus system, a simple way for applications to talk
+ to one another.  In addition to interprocess communication, D-Bus helps
+ coordinate process lifecycle; it makes it simple and reliable to code
+ a "single instance" application or daemon, and to launch applications
+ and daemons on demand when their services are needed.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['http://dbus.freedesktop.org/releases/dbus']
+sources = [SOURCELOWER_TAR_XZ]
+
+builddependencies = [
+    ('binutils', '2.32'),
+]
+
+dependencies = [
+    ('expat', '2.2.7'),
+]
+
+configopts = '--without-systemdsystemunitdir'
+
+sanity_check_paths = {
+    'files': ['bin/dbus-%s' % x for x in
+              ['cleanup-sockets', 'daemon', 'launch', 'monitor',
+               'run-session', 'send', 'uuidgen']] +
+             ['lib/libdbus-1.%s' % x for x in ['a', SHLIB_EXT]],
+    'dirs': ['include', 'share'],
+}
+
+moduleclass = 'devel'
--- a/f/FFmpeg/FFmpeg-4.2.2-GCCcore-8.3.0.eb
+++ b/f/FFmpeg/FFmpeg-4.2.2-GCCcore-8.3.0.eb
@ -0,0 +1,45 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'FFmpeg'
+version = '4.2.2'
+
+homepage = 'https://www.ffmpeg.org/'
+description = """A complete, cross-platform solution to record, convert and stream audio and video."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['https://ffmpeg.org/releases/']
+sources = [SOURCELOWER_TAR_BZ2]
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('pkg-config', '0.29.2')
+]
+
+dependencies = [
+    ('NASM', '2.13.03', '', True),
+    ('zlib', '1.2.11'),
+    ('bzip2', '1.0.8'),
+    ('x264', '20190925'),
+    ('LAME', '3.100'),
+    ('x265', '3.2'),
+    ('X11', '20190717'),
+    ('freetype', '2.10.1'),
+    ('fontconfig', '2.12.6'),
+    ('FriBidi', '1.0.9'),
+]
+
+configopts = '--enable-pic --enable-shared --enable-gpl --enable-version3 --enable-nonfree --cc="$CC" --cxx="$CXX" '
+configopts += '--enable-libx264 --enable-libx265 --enable-libmp3lame --enable-libfreetype --enable-fontconfig '
+configopts += '--enable-libfribidi'
+
+sanity_check_paths = {
+    'files': ['bin/ff%s' % x for x in ['mpeg', 'probe']] +
+             ['lib/lib%s.%s' % (x, y) for x in ['avdevice', 'avfilter', 'avformat', 'avcodec', 'postproc',
+                                                'swresample', 'swscale', 'avutil'] for y in [SHLIB_EXT, 'a']],
+    'dirs': ['include']
+}
+
+moduleclass = 'vis'
--- a/f/FriBidi/FriBidi-1.0.9-GCCcore-8.3.0.eb
+++ b/f/FriBidi/FriBidi-1.0.9-GCCcore-8.3.0.eb
@ -0,0 +1,34 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'FriBidi'
+version = '1.0.9'
+
+homepage = 'https://github.com/fribidi/fribidi'
+
+description = """
+ The Free Implementation of the Unicode Bidirectional Algorithm.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [
+    'https://github.com/%(namelower)s/%(namelower)s/releases/download/v%(version)s']
+sources = [SOURCELOWER_TAR_XZ]
+
+builddependencies = [
+    ('Autotools', '20180311'),
+    ('binutils', '2.32'),
+    ('pkg-config', '0.29.2'),
+]
+
+configopts = '--disable-docs'
+
+sanity_check_paths = {
+    'files': ['bin/%(namelower)s', 'include/%(namelower)s/%(namelower)s.h',
+              'lib/lib%%(namelower)s.%s' % SHLIB_EXT],
+    'dirs': []
+}
+
+moduleclass = 'lang'
--- a/f/fontconfig/fontconfig-2.12.6-GCCcore-8.3.0.eb
+++ b/f/fontconfig/fontconfig-2.12.6-GCCcore-8.3.0.eb
@ -0,0 +1,30 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = "fontconfig"
+version = '2.12.6'
+
+homepage = 'http://www.freedesktop.org/software/fontconfig'
+description = """Fontconfig is a library designed to provide system-wide font configuration, customization and
+application access."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['http://www.freedesktop.org/software/fontconfig/release/']
+sources = [SOURCE_TAR_GZ]
+
+builddependencies = [
+    ('gperf', '3.1'),
+    ('pkg-config', '0.29.2'),
+]
+
+dependencies = [
+    ('expat', '2.2.7'),
+    ('freetype', '2.10.1'),
+    ('util-linux', '2.34'),
+]
+
+configopts = '--disable-docs '
+
+moduleclass = 'vis'
--- a/g/GLib/GLib-2.64.0-GCCcore-8.3.0.eb
+++ b/g/GLib/GLib-2.64.0-GCCcore-8.3.0.eb
@ -0,0 +1,44 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'GLib'
+version = '2.64.0'
+
+homepage = 'http://www.gtk.org/'
+description = """GLib is one of the base libraries of the GTK+ project"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['http://ftp.gnome.org/pub/gnome/sources/glib/%(version_major_minor)s/']
+sources = ['glib-%(version)s.tar.xz']
+
+builddependencies = [
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('binutils', '2.32'),
+    ('pkg-config', '0.29.2'),
+]
+
+dependencies = [
+    ('libffi', '3.3'),
+    ('gettext', '0.20.1'),
+    ('libxml2', '2.9.9'),
+    ('PCRE', '8.43'),
+    ('util-linux', '2.34'),
+]
+
+# avoid using hardcoded path to Python binary in build step
+preconfigopts = "export PYTHON=python && "
+
+configopts = "--buildtype=release --default-library=both "
+
+fix_python_shebang_for = ['bin/*']
+
+sanity_check_paths = {
+    'files': ['lib/libglib-%(version_major)s.0.a', 'lib/libglib-%%(version_major)s.0.%s' % SHLIB_EXT],
+    'dirs': ['bin', 'include'],
+}
+
+moduleclass = 'vis'
--- a/g/GObject-Introspection/GObject-Introspection-1.63.1-GCCcore-8.3.0-Py-3.7.eb
+++ b/g/GObject-Introspection/GObject-Introspection-1.63.1-GCCcore-8.3.0-Py-3.7.eb
@ -0,0 +1,45 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'GObject-Introspection'
+version = '1.63.1'
+versionsuffix = '-Py-3.7'
+
+homepage = 'https://wiki.gnome.org/GObjectIntrospection/'
+description = """GObject introspection is a middleware layer between C libraries
+ (using GObject) and language bindings. The C library can be scanned at
+ compile time and generate a metadata file, in addition to the actual
+ native C library. Then at runtime, language bindings can read this
+ metadata and automatically provide bindings to call into the C library."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [FTPGNOME_SOURCE]
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['476379bde8d080d92dd1bb1684f6aa8d79d90ddb81fc85dfa3576e36f9777ab6']
+
+builddependencies = [
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('flex', '2.6.4', '', True),
+    ('Bison', '3.3.2', '', True),
+    ('cairo', '1.17.2'),
+]
+
+dependencies = [
+    ('Py', '3.7', '', True),
+    ('GLib', '2.64.0'),
+    ('libffi', '3.3'),
+    ('util-linux', '2.34'),
+]
+
+preconfigopts = "env GI_SCANNER_DISABLE_CACHE=true "
+
+sanity_check_paths = {
+    'files': ['bin/g-ir-%s' % x for x in ['annotation-tool', 'compiler', 'generate', 'scanner']] +
+             ['lib/libgirepository-1.0.' + SHLIB_EXT],
+    'dirs': ['include', 'share']
+}
+
+moduleclass = 'devel'
--- a/g/GTK+/GTK+-3.24.13-GCCcore-8.3.0.eb
+++ b/g/GTK+/GTK+-3.24.13-GCCcore-8.3.0.eb
@ -17,21 +17,21 @@ toolchain = {'name': 'GCCcore', 'version': '8.3.0'}

 builddependencies = [
    ('binutils', '2.32'),
-    ('GObject-Introspection', '1.63.1', '-Py-3.7', True),
-    ('gettext', '0.20.1', '', True),
+    ('GObject-Introspection', '1.63.1', '-Py-3.7'),
+    ('gettext', '0.20.1'),
    ('pkg-config', '0.29.2'),
-    ('cairo', '1.17.2', '', True),
+    ('cairo', '1.17.2'),
    ('Perl', '5.30.0'),
 ]

 dependencies = [
-    ('ATK', '2.34.1', '', True),
-    ('at-spi2-atk', '2.34.1', '', True),
-    ('Gdk-Pixbuf', '2.38.2', '', True),
-    ('Pango', '1.44.7', '', True),
+    ('ATK', '2.34.1'),
+    ('at-spi2-atk', '2.34.1'),
+    ('Gdk-Pixbuf', '2.38.2'),
+    ('Pango', '1.44.7'),
    ('libepoxy', '1.5.4'),
    ('X11', '20190717'),
-    ('FriBidi', '1.0.9', '', True),
+    ('FriBidi', '1.0.9'),
 ]

 default_easyblock = 'ConfigureMake'
--- a/g/Gdk-Pixbuf/Gdk-Pixbuf-2.38.2-GCCcore-8.3.0.eb
+++ b/g/Gdk-Pixbuf/Gdk-Pixbuf-2.38.2-GCCcore-8.3.0.eb
@ -0,0 +1,48 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'Gdk-Pixbuf'
+version = '2.38.2'
+
+homepage = 'https://developer.gnome.org/gdk-pixbuf/stable/'
+description = """
+ The Gdk Pixbuf is a toolkit for image loading and pixel buffer manipulation.
+ It is used by GTK+ 2 and GTK+ 3 to load and manipulate images. In the past it
+ was distributed as part of GTK+ 2 but it was split off into a separate package
+ in preparation for the change to GTK+ 3.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [FTPGNOME_SOURCE]
+sources = [SOURCELOWER_TAR_XZ]
+patches = ['Gdk-Pixbuf-2.38.1-post-install-bin.patch']
+
+builddependencies = [
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('binutils', '2.32'),
+    ('pkg-config', '0.29.2'),
+    ('GObject-Introspection', '1.63.1', '-Py-3.7'),
+]
+
+dependencies = [
+    ('GLib', '2.64.0'),
+    ('libjpeg-turbo', '2.0.4'),
+    ('libpng', '1.6.37'),
+    ('LibTIFF', '4.1.0'),
+    ('X11', '20190717'),
+]
+
+configopts = "--buildtype=release --default-library=both "
+configopts += "-Dgio_sniffing=false -Dgir=true -Dman=false"
+
+maxparallel = 1
+
+sanity_check_paths = {
+    'files': ['lib/libgdk_pixbuf-%(version_major)s.0.a', 'lib/libgdk_pixbuf-%%(version_major)s.0.%s' % SHLIB_EXT],
+    'dirs': ['bin', 'include/gdk-pixbuf-%(version_major)s.0', 'lib/gdk-pixbuf-%(version_major)s.0', 'share'],
+}
+
+moduleclass = 'vis'
--- a/g/gettext/gettext-0.19.8.1-GCCcore-8.3.0.eb
+++ b/g/gettext/gettext-0.19.8.1-GCCcore-8.3.0.eb
@ -0,0 +1,27 @@
+# IT4Innovations 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'gettext'
+version = '0.19.8.1'
+
+homepage = 'http://www.gnu.org/software/gettext/'
+description = """GNU `gettext' is an important step for the GNU Translation Project, as it is an asset on which we may
+build many other steps. This package offers to programmers, translators, and even users, a well integrated set of tools
+and documentation"""
+
+# This is a basic stripped down version of gettext without any
+# dependencies on other packages used as initial builddep for XZ
+# It is the first step in the cyclic dependency chain of
+# XZ -> libxml2 -> gettext -> XZ
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+sources = [SOURCE_TAR_GZ]
+source_urls = [GNU_SOURCE]
+
+dependencies = [('ncurses', '6.1')]
+
+configopts = '--without-emacs --with-included-libxml --without-xz --without-bzip2'
+
+moduleclass = 'vis'
--- a/h/HDF5/HDF5-1.10.6-intel-2020a.eb
+++ b/h/HDF5/HDF5-1.10.6-intel-2020a.eb
@ -15,8 +15,8 @@ source_urls = [
 sources = [SOURCELOWER_TAR_GZ]

 dependencies = [
-    ('zlib', '1.2.11', '', True),
-    ('Szip', '2.1', '', True),
+    ('zlib', '1.2.11'),
+    ('Szip', '2.1.1'),
 ]

 moduleclass = 'data'
--- a/h/HarfBuzz/HarfBuzz-2.6.4-GCCcore-8.3.0.eb
+++ b/h/HarfBuzz/HarfBuzz-2.6.4-GCCcore-8.3.0.eb
@ -0,0 +1,37 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'HarfBuzz'
+version = '2.6.4'
+
+homepage = 'https://www.freedesktop.org/wiki/Software/HarfBuzz'
+description = """HarfBuzz is an OpenType text shaping engine."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['https://www.freedesktop.org/software/harfbuzz/release/']
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['9413b8d96132d699687ef914ebb8c50440efc87b3f775d25856d7ec347c03c12']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('GObject-Introspection', '1.63.1', '-Py-3.7'),
+    ('pkg-config', '0.29.2'),
+]
+
+dependencies = [
+    ('GLib', '2.64.0'),
+    ('ICU', '64.2'),
+    ('cairo', '1.17.2'),
+    ('freetype', '2.10.1'),
+]
+
+configopts = "--enable-introspection=yes --with-gobject=yes --enable-static --enable-shared --with-cairo "
+
+sanity_check_paths = {
+    'files': ['lib/libharfbuzz.%s' % SHLIB_EXT, 'bin/hb-view'],
+    'dirs': []
+}
+
+moduleclass = 'vis'
--- a/i/ICU/ICU-64.2-GCCcore-8.3.0.eb
+++ b/i/ICU/ICU-64.2-GCCcore-8.3.0.eb
@ -0,0 +1,31 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'ICU'
+version = '64.2'
+
+homepage = 'http://site.icu-project.org/home'
+description = """ICU is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization
+ support for software applications."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['http://download.icu-project.org/files/icu4c/%(version)s']
+sources = ['icu4c-%(version_major)s_%(version_minor)s-src.tgz']
+checksums = ['627d5d8478e6d96fc8c90fed4851239079a561a6a8b9e48b0892f24e82d31d6c']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('Py', '3.7', '', True),
+]
+
+start_dir = 'source'
+
+sanity_check_paths = {
+    'files': ['lib/libicu%s.%s' % (x, SHLIB_EXT) for x in ['data', 'i18n', 'io', 'test', 'tu', 'uc']],
+    'dirs': ['bin', 'include/unicode', 'share/icu', 'share/man'],
+}
+
+moduleclass = 'lib'
--- a/j/JasPer/JasPer-2.0.14-GCCcore-8.3.0.eb
+++ b/j/JasPer/JasPer-2.0.14-GCCcore-8.3.0.eb
@ -0,0 +1,31 @@
+# JH 2020
+
+easyblock = 'CMakeMake'
+
+name = 'JasPer'
+version = '2.0.14'
+
+homepage = 'http://www.ece.uvic.ca/~frodo/jasper/'
+description = """The JasPer Project is an open-source initiative to provide a free
+ software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+sources = [SOURCELOWER_TAR_GZ]
+source_urls = ['http://www.ece.uvic.ca/~frodo/jasper/software/']
+
+builddependencies = [
+    ('CMake', '3.16.2', '', True),
+]
+
+separate_build_dir = True
+
+configopts = '-DJAS_ENABLE_DOC=OFF '
+
+sanity_check_paths = {
+    'files': ['bin/jasper', ('lib/libjasper.%s' % SHLIB_EXT, 'lib64/libjasper.%s' % SHLIB_EXT)],
+    'dirs': ['include'],
+}
+
+moduleclass = 'vis'
--- a/l/LibTIFF/LibTIFF-4.1.0-GCCcore-8.3.0.eb
+++ b/l/LibTIFF/LibTIFF-4.1.0-GCCcore-8.3.0.eb
@ -0,0 +1,21 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'LibTIFF'
+version = '4.1.0'
+
+homepage = 'http://download.osgeo.org/libtiff/'
+description = "tiff: Library and tools for reading and writing TIFF data files"
+
+source_urls = ['https://download.osgeo.org/libtiff']
+sources = ['tiff-%(version)s.tar.gz']
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+sanity_check_paths = {
+    'files': ['bin/tiffinfo'],
+    'dirs': [],
+}
+
+moduleclass = 'lib'
--- a/l/libffi/libffi-3.3-GCCcore-8.3.0.eb
+++ b/l/libffi/libffi-3.3-GCCcore-8.3.0.eb
@ -0,0 +1,31 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'libffi'
+version = '3.3'
+
+homepage = 'http://sourceware.org/libffi/'
+description = """The libffi library provides a portable, high level programming interface to various calling
+conventions. This allows a programmer to call any function specified by a call interface description at run-time."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [
+    'ftp://sourceware.org/pub/libffi/',
+    'http://www.mirrorservice.org/sites/sourceware.org/pub/libffi/',
+]
+sources = [SOURCELOWER_TAR_GZ]
+
+sanity_check_paths = {
+    'files': [
+        ('lib/libffi.%s' %
+         SHLIB_EXT,
+         'lib64/libffi.%s' %
+         SHLIB_EXT),
+        ('lib/libffi.a',
+         'lib64/libffi.a')],
+    'dirs': [],
+}
+
+moduleclass = 'lib'
--- a/l/libjpeg-turbo/libjpeg-turbo-2.0.4-GCCcore-8.3.0.eb
+++ b/l/libjpeg-turbo/libjpeg-turbo-2.0.4-GCCcore-8.3.0.eb
@ -0,0 +1,49 @@
+# JH 2020
+
+easyblock = 'CMakeMake'
+
+name = 'libjpeg-turbo'
+version = '2.0.4'
+
+homepage = 'http://sourceforge.net/projects/libjpeg-turbo/'
+description = """libjpeg-turbo is a fork of the original IJG libjpeg which uses SIMD to accelerate baseline JPEG
+local_compression and delocal_compression. libjpeg is a library that implements JPEG image encoding, decoding and transcoding.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = [SOURCEFORGE_SOURCE]
+sources = [SOURCELOWER_TAR_GZ]
+
+dependencies = [
+    ('NASM', '2.13.03', '', True),
+]
+
+builddependencies = [
+    ('CMake', '3.16.2', '', True),
+]
+
+#configopts = "--with-jpeg8"
+runtest = "test"
+
+sanity_check_paths = {
+    'files': [
+        'bin/cjpeg',
+        'bin/djpeg',
+        'bin/jpegtran',
+        'bin/rdjpgcom',
+        'bin/tjbench',
+        'bin/wrjpgcom',
+        'lib/libjpeg.a',
+        'lib/libjpeg.%s' %
+        SHLIB_EXT,
+        'lib/libturbojpeg.a',
+        'lib/libturbojpeg.%s' %
+        SHLIB_EXT],
+    'dirs': [
+        'include',
+        'share'],
+}
+
+moduleclass = 'lib'
--- a/m/Mesa/Mesa-19.2.1-GCCcore-8.3.0.eb
+++ b/m/Mesa/Mesa-19.2.1-GCCcore-8.3.0.eb
@ -42,23 +42,23 @@ builddependencies = [
    ('binutils', '2.32'),
    ('Meson', '0.53.0', '-Py-3.7', True),
    ('Ninja', '1.9.0', '', True),
-    ('flex', '2.6.4', '', True),
-    ('Bison', '3.3.2', '', True),
-    ('pkg-config', '0.29.2', '', True),
+    ('flex', '2.6.4'),
+    ('Bison', '3.3.2'),
+    ('pkg-config', '0.29.2'),
    ('Mako', '1.1.2', '-Py-3.7', True),
-    ('libxml2', '2.9.9', '', True),
-    ('expat', '2.2.0','', True),
-    ('gettext', '0.19.4', '', True),
+    ('libxml2', '2.9.9'),
+    ('expat', '2.2.7'),
+    ('gettext', '0.20.1'),
 ]

 dependencies = [
-    ('zlib', '1.2.11', '', True),
-    ('nettle', '3.4.1', '', True),
-    ('libdrm', '2.4.99', '', True),
+    ('zlib', '1.2.11'),
+    ('nettle', '3.5.1'),
+    ('libdrm', '2.4.99'),
    ('LLVM', '8.0.1'),
-    ('X11', '20190717', '', True),
-    ('libunwind', '1.2.1', '', True),
-    ('libglvnd', '1.2.0', '', True),
+    ('X11', '20190717'),
+    ('libunwind', '1.3.1'),
+    ('libglvnd', '1.2.0'),
 ]

 configopts = " -Dplatforms=x11 -Dosmesa=gallium -Ddri-drivers='' -Dvulkan-drivers=''"
--- a/n/ncurses/ncurses-6.1-GCCcore-8.3.0.eb
+++ b/n/ncurses/ncurses-6.1-GCCcore-8.3.0.eb
@ -0,0 +1,38 @@
+# IT4Innovations 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'ncurses'
+version = '6.1'
+
+homepage = 'http://www.gnu.org/software/ncurses/'
+description = """The Ncurses (new curses) library is a free software emulation of curses in System V Release 4.0,
+ and more. It uses Terminfo format, supports pads and color and multiple highlights and forms characters and
+ function-key mapping, and has all the other SYSV-curses enhancements over BSD Curses."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'optarch': True, 'pic': True}
+
+source_urls = [GNU_SOURCE]
+sources = [SOURCE_TAR_GZ]
+
+buildopts = 'CFLAGS="-O3 -fPIC"'
+
+configopts = [
+    # default build
+    '--with-shared --enable-overwrite',
+    # the UTF-8 enabled version (ncursesw)
+    '--with-shared --enable-overwrite --enable-ext-colors --enable-widec --includedir=%(installdir)s/include/ncursesw/'
+]
+
+libs = ["form", "menu", "ncurses", "panel"]
+sanity_check_paths = {
+    'files': ['bin/%s' % x for x in ["captoinfo", "clear", "infocmp", "infotocap", "ncurses%(version_major)s-config",
+                                     "reset", "tabs", "tic", "toe", "tput", "tset"]] +
+    ['lib/lib%s%s.a' % (x, y) for x in libs for y in ['', '_g', 'w', 'w_g']] +
+    ['lib/lib%s%s.%s' % (x, y, SHLIB_EXT) for x in libs for y in ['', 'w']] +
+    ['lib/libncurses++%s.a' % x for x in ['', 'w']],
+    'dirs': ['include', 'include/ncursesw'],
+}
+
+moduleclass = 'devel'
--- a/n/netCDF/netCDF-4.7.3-intel-2020a.eb
+++ b/n/netCDF/netCDF-4.7.3-intel-2020a.eb
@ -19,7 +19,7 @@ source_urls = [
 dependencies = [
    ('HDF5', '1.10.6'),
    ('cURL', '7.65.3', '', True),
-    ('Szip', '2.1', '', True),
+    ('Szip', '2.1.1'),
 ]

 builddependencies = [
--- a/n/numpy/numpy-1.18.1-Py-3.7.eb
+++ b/n/numpy/numpy-1.18.1-Py-3.7.eb
@ -21,7 +21,7 @@ local_patch = [
 dependencies = [
    ('mkl', '2019.5.281', '', True),
    ('Cython', '0.29.14'),
-    ('libffi', '3.3', '', True), #RT#22207
+    ('libffi', '3.3', '', ('GCCcore', '8.3.0')), #RT#22207
 ]

 sanity_check_paths = {'files': [], 'dirs': [
--- a/o/OpenCV/OpenCV-3.4.7-intel-2020a-Py-3.7.eb
+++ b/o/OpenCV/OpenCV-3.4.7-intel-2020a-Py-3.7.eb
@ -1,4 +1,4 @@
-# 2020
+# JH 2020

 name = 'OpenCV'
 version = '3.4.7'
@ -10,8 +10,8 @@ description = """OpenCV (Open Source Computer Vision Library) is an open source
 a common infrastructure for computer vision applications and to accelerate
 the use of machine perception in the commercial products."""

-#toolchain = {'name': 'intel', 'version': '2020a'}
-toolchain = SYSTEM
+toolchain = {'name': 'intel', 'version': '2020a'}
+#toolchain = SYSTEM

 source_urls = [
    'https://github.com/opencv/opencv/archive/',
@ -36,19 +36,17 @@ builddependencies = [
 dependencies = [
    ('Py', '3.7', '', True),
    ('numpy', '1.18.1', versionsuffix, True),
-    ('scipy', '1.3.3', versionsuffix, True),
-#    ('mpi4py', '3.0.1', versionsuffix),
-    ('pandas', '1.0.0', versionsuffix, True),
-    ('zlib', '1.2.11', '', True),
-    ('FFmpeg', '4.2.2', '', True),
-    ('libjpeg-turbo', '2.0.4', '', True),
-    ('libpng', '1.6.37', '', True),
-    ('LibTIFF', '4.1.0', '', True),
-    ('JasPer', '2.0.14', '', True),
+    ('mpi4py', '3.0.1', versionsuffix),
+    ('zlib', '1.2.11'),
+    ('FFmpeg', '4.2.2'),
+    ('libjpeg-turbo', '2.0.4'),
+    ('libpng', '1.6.37'),
+    ('LibTIFF', '4.1.0'),
+    ('JasPer', '2.0.14'),
    ('Java', '13.0.1', '', True),
    ('ant', '1.10.7', '-Java-13.0.1', True),
-    ('GLib', '2.62.4', '', True),
-    ('GTK+', '3.24.13', '', True),
+    ('GLib', '2.64.0'),
+    ('GTK+', '3.24.13'),
 ]

 moduleclass = 'vis'
--- a/o/OpenCV/OpenCV-4.2.0-Py-3.7.eb
+++ b/o/OpenCV/OpenCV-4.2.0-Py-3.7.eb
@ -1,41 +0,0 @@
-# JH 2020
-
-name = 'OpenCV'
-version = '4.20'
-versionsuffix = '-Py-3.7'
-
-homepage = 'https://opencv.org/'
-description = """OpenCV (Open Source Computer Vision Library) is an open source computer vision
- and machine learning software library. OpenCV was built to provide
- a common infrastructure for computer vision applications and to accelerate
- the use of machine perception in the commercial products."""
-
-toolchain = {'name': 'intel', 'version': '2020a'} 
-
-source_urls = ['https://github.com/opencv/opencv/archive/4.2.0']
-sources = [SOURCELOWER_TAR_GZ]
-
-builddependencies = [
-    ('CMake', '3.16.2', '', True),
-('slepc4py','3.12.0', '-Py-3.7', True),
-('petsc4py','3.12.0', '-Py-3.7', True),
-('VTK','8.2.0', '-intel-2020a-Py-3.7', True),
-('numba','0.48.0', '-intel-2020a-Py-3.7', True),
-]
-
-dependencies = [
-    ('Py', '3.7', '', True),
-    ('numpy', '1.18.1', versionsuffix, True),
-    ('zlib', '1.2.11', '', True),
-    ('FFmpeg', '4.2.2', '', True),
-    ('libjpeg-turbo', '2.0.4', '', True),
-    ('libpng', '1.6.37', '', True),
-    ('LibTIFF', '4.1.0', '', True),
-    ('JasPer', '2.0.14', '', True),
-    ('Java', '13.0.1', '', True),
-    ('ant', '1.10.7', '-Java-13.0.1', True),
-    ('GLib', '2.64.0', '', True),
-    ('GTK+', '3.24.13'),
-]
-
-moduleclass = 'vis'
--- a/o/OpenCV/OpenCV-4.2.0-intel-2020a-Py-3.7.eb
+++ b/o/OpenCV/OpenCV-4.2.0-intel-2020a-Py-3.7.eb
@ -0,0 +1,54 @@
+# JH 2020
+
+name = 'OpenCV'
+version = '4.20'
+versionsuffix = '-Py-3.7'
+
+homepage = 'https://opencv.org/'
+description = """OpenCV (Open Source Computer Vision Library) is an open source computer vision
+ and machine learning software library. OpenCV was built to provide
+ a common infrastructure for computer vision applications and to accelerate
+ the use of machine perception in the commercial products."""
+
+toolchain = {'name': 'intel', 'version': '2020a'} 
+toolchainopts = {}
+
+source_urls = [
+    'https://github.com/opencv/opencv/archive/4.2.0',
+    # the hash is version dependent! see 3rdparty/ippicv/ippicv.cmake
+    'https://github.com/opencv/opencv_3rdparty/raw/ippicv/master_20191018/ippicv/',
+]
+sources = [
+    SOURCELOWER_TAR_GZ,
+    {'filename': 'ippicv_2020_lnx_intel64_20191018_general.tgz', 'extract_cmd': "cp %s %(builddir)s"},
+]
+
+patches = ['OpenCV-4.2.0_disable-AVX512-CascadeLake.patch']
+
+builddependencies = [
+    ('CMake', '3.16.2', '', True),
+# compatibility test
+#('slepc4py','3.12.0', '-Py-3.7', True),
+#('petsc4py','3.12.0', '-Py-3.7', True),
+#('VTK','8.2.0', '-intel-2020a-Py-3.7', True),
+#('numba','0.48.0', '-intel-2020a-Py-3.7', True),
+]
+
+dependencies = [
+    ('Py', '3.7', '', True),
+    ('numpy', '1.18.1', versionsuffix, True),
+    ('zlib', '1.2.11'),
+    ('FFmpeg', '4.2.2'),
+    ('libjpeg-turbo', '2.0.4'),
+    ('libpng', '1.6.37'),
+    ('LibTIFF', '4.1.0'),
+    ('JasPer', '2.0.14'),
+    ('Java', '13.0.1', '', True),
+    ('ant', '1.10.7', '-Java-13.0.1', True),
+    ('GLib', '2.64.0'),
+    ('GTK+', '3.24.13'),
+]
+
+#configopts = "-DCPU_BASELINE=SSE3 -DCPU_BASELINE_DISABLE=AVX512-ICL,AVX512-CLX,AVX512-CNL,AVX512-KNM,AVX512-KNL"
+
+moduleclass = 'vis'
--- a/o/OpenCV/OpenCV-4.2.0_disable-AVX512-CascadeLake.patch
+++ b/o/OpenCV/OpenCV-4.2.0_disable-AVX512-CascadeLake.patch
@ -0,0 +1,71 @@
+--- opencv-4.2.0/cmake/OpenCVCompilerOptimizations.cmake.orig	2020-03-31 12:57:34.691679964 +0200
+++ opencv-4.2.0/cmake/OpenCVCompilerOptimizations.cmake	2020-03-31 13:01:52.155926840 +0200
+@@ -45,7 +45,7 @@
+ # CPU_{opt}_ENABLED_DEFAULT=ON/OFF - has compiler support without additional flag (CPU_BASELINE_DETECT=ON only)
+ 
+ set(CPU_ALL_OPTIMIZATIONS "SSE;SSE2;SSE3;SSSE3;SSE4_1;SSE4_2;POPCNT;AVX;FP16;AVX2;FMA3;AVX_512F")
+-list(APPEND CPU_ALL_OPTIMIZATIONS "AVX512_COMMON;AVX512_KNL;AVX512_KNM;AVX512_SKX;AVX512_CNL;AVX512_CLX;AVX512_ICL")
+list(APPEND CPU_ALL_OPTIMIZATIONS "AVX512_COMMON;AVX512_SKX;AVX512_CLX")
+ list(APPEND CPU_ALL_OPTIMIZATIONS NEON VFPV3 FP16)
+ list(APPEND CPU_ALL_OPTIMIZATIONS MSA)
+ list(APPEND CPU_ALL_OPTIMIZATIONS VSX VSX3)
+@@ -165,15 +165,11 @@
+ endif()
+ 
+ if(X86 OR X86_64)
+-  ocv_update(CPU_KNOWN_OPTIMIZATIONS "SSE;SSE2;SSE3;SSSE3;SSE4_1;POPCNT;SSE4_2;FP16;FMA3;AVX;AVX2;AVX_512F;AVX512_COMMON;AVX512_KNL;AVX512_KNM;AVX512_SKX;AVX512_CNL;AVX512_CLX;AVX512_ICL")
+  ocv_update(CPU_KNOWN_OPTIMIZATIONS "SSE;SSE2;SSE3;SSSE3;SSE4_1;POPCNT;SSE4_2;FP16;FMA3;AVX;AVX2;AVX_512F;AVX512_COMMON;AVX512_SKX;AVX512_CLX")
+ 
+   ocv_update(CPU_AVX512_COMMON_GROUP "AVX_512F;AVX_512CD")
+-  ocv_update(CPU_AVX512_KNL_GROUP "AVX512_COMMON;AVX512_KNL_EXTRA")
+-  ocv_update(CPU_AVX512_KNM_GROUP "AVX512_KNL;AVX512_KNM_EXTRA;AVX_512VPOPCNTDQ")
+   ocv_update(CPU_AVX512_SKX_GROUP "AVX512_COMMON;AVX_512VL;AVX_512BW;AVX_512DQ")
+-  ocv_update(CPU_AVX512_CNL_GROUP "AVX512_SKX;AVX_512IFMA;AVX_512VBMI")
+   ocv_update(CPU_AVX512_CLX_GROUP "AVX512_SKX;AVX_512VNNI")
+-  ocv_update(CPU_AVX512_ICL_GROUP "AVX512_SKX;AVX_512IFMA;AVX_512VBMI;AVX_512VNNI;AVX_512VBMI2;AVX_512BITALG;AVX_512VPOPCNTDQ") # ? VPCLMULQDQ, GFNI, VAES
+ 
+   ocv_update(CPU_SSE_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse.cpp")
+   ocv_update(CPU_SSE2_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_sse2.cpp")
+@@ -187,20 +183,12 @@
+   ocv_update(CPU_FP16_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_fp16.cpp")
+   ocv_update(CPU_AVX_512F_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512.cpp")
+   ocv_update(CPU_AVX512_COMMON_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512common.cpp")
+-  ocv_update(CPU_AVX512_KNL_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512knl.cpp")
+-  ocv_update(CPU_AVX512_KNM_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512knm.cpp")
+   ocv_update(CPU_AVX512_SKX_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512skx.cpp")
+-  ocv_update(CPU_AVX512_CNL_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512cnl.cpp")
+   ocv_update(CPU_AVX512_CLX_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512clx.cpp")
+-  ocv_update(CPU_AVX512_ICL_TEST_FILE "${OpenCV_SOURCE_DIR}/cmake/checks/cpu_avx512icl.cpp")
+ 
+   if(NOT OPENCV_CPU_OPT_IMPLIES_IGNORE)
+-    ocv_update(CPU_AVX512_ICL_IMPLIES "AVX512_SKX")
+     ocv_update(CPU_AVX512_CLX_IMPLIES "AVX512_SKX")
+-    ocv_update(CPU_AVX512_CNL_IMPLIES "AVX512_SKX")
+     ocv_update(CPU_AVX512_SKX_IMPLIES "AVX512_COMMON")
+-    ocv_update(CPU_AVX512_KNM_IMPLIES "AVX512_KNL")
+-    ocv_update(CPU_AVX512_KNL_IMPLIES "AVX512_COMMON")
+     ocv_update(CPU_AVX512_COMMON_IMPLIES "AVX_512F")
+     ocv_update(CPU_AVX_512F_IMPLIES "AVX2")
+     ocv_update(CPU_AVX_512F_FORCE "") # Don't force other optimizations
+@@ -249,12 +237,8 @@
+     endif()
+     ocv_intel_compiler_optimization_option(AVX_512F "-xCOMMON-AVX512" "/Qx:COMMON-AVX512")
+     ocv_intel_compiler_optimization_option(AVX512_COMMON "-xCOMMON-AVX512" "/Qx:COMMON-AVX512")
+-    ocv_intel_compiler_optimization_option(AVX512_KNL "-xKNL" "/Qx:KNL")
+-    ocv_intel_compiler_optimization_option(AVX512_KNM "-xKNM" "/Qx:KNM")
+     ocv_intel_compiler_optimization_option(AVX512_SKX "-xSKYLAKE-AVX512" "/Qx:SKYLAKE-AVX512")
+-    ocv_intel_compiler_optimization_option(AVX512_CNL "-xCANNONLAKE" "/Qx:CANNONLAKE")
+     ocv_intel_compiler_optimization_option(AVX512_CLX "-xCASCADELAKE" "/Qx:CASCADELAKE")
+-    ocv_intel_compiler_optimization_option(AVX512_ICL "-xICELAKE-CLIENT" "/Qx:ICELAKE-CLIENT")
+   elseif(CV_GCC OR CV_CLANG)
+     ocv_update(CPU_AVX2_FLAGS_ON "-mavx2")
+     ocv_update(CPU_FP16_FLAGS_ON "-mf16c")
+@@ -270,8 +254,6 @@
+     if(NOT (CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0"))  # GCC >= 5.0
+       ocv_update(CPU_AVX_512F_FLAGS_ON "-mavx512f")
+       ocv_update(CPU_AVX_512CD_FLAGS_ON "-mavx512cd")
+-      ocv_update(CPU_AVX512_KNL_EXTRA_FLAGS_ON "-mavx512er -mavx512pf")
+-      ocv_update(CPU_AVX512_KNM_EXTRA_FLAGS_ON "-mavx5124fmaps -mavx5124vnniw")
+       ocv_update(CPU_AVX_512BW_FLAGS_ON "-mavx512bw")
+       ocv_update(CPU_AVX_512DQ_FLAGS_ON "-mavx512dq")
+       ocv_update(CPU_AVX_512VL_FLAGS_ON "-mavx512vl")
--- a/p/Pango/Pango-1.44.7-GCCcore-8.3.0.eb
+++ b/p/Pango/Pango-1.44.7-GCCcore-8.3.0.eb
@ -0,0 +1,45 @@
+# JH 2020
+
+easyblock = 'MesonNinja'
+
+name = 'Pango'
+version = '1.44.7'
+
+homepage = 'https://www.pango.org/'
+description = """Pango is a library for laying out and rendering of text, with an emphasis on internationalization.
+Pango can be used anywhere that text layout is needed, though most of the work on Pango so far has been done in the
+context of the GTK+ widget toolkit. Pango forms the core of text and font handling for GTK+-2.x."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [FTPGNOME_SOURCE]
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['66a5b6cc13db73efed67b8e933584509f8ddb7b10a8a40c3850ca4a985ea1b1f']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('Meson', '0.53.0', '-Py-3.7', True),
+    ('Ninja', '1.9.0', '', True),
+    ('GObject-Introspection', '1.63.1', '-Py-3.7'),
+    ('pkg-config', '0.29.2'),
+]
+
+dependencies = [
+    ('X11', '20190717'),
+    ('GLib', '2.64.0'),
+    ('cairo', '1.17.2'),
+    ('HarfBuzz', '2.6.4'),
+    ('FriBidi', '1.0.9'),
+]
+
+maxparallel = 1
+
+configopts = "--buildtype=release --default-library=both "
+
+sanity_check_paths = {
+    'files': ['bin/pango-view', 'lib/libpango-1.0.%s' % SHLIB_EXT, 'lib/libpangocairo-1.0.%s' % SHLIB_EXT,
+              'lib/libpangoft2-1.0.%s' % SHLIB_EXT, 'lib/libpangoxft-1.0.%s' % SHLIB_EXT],
+    'dirs': [],
+}
+
+moduleclass = 'vis'
--- a/p/Py/Py-3.6.eb
+++ b/p/Py/Py-3.6.eb
@ -11,7 +11,7 @@ description = """Python 3.6 toolchain"""
 toolchain = SYSTEM

 dependencies = [
-    ('Python', '3.6.9', '-base', ('GCC', '8.3.0-2.32')),
+    ('Python', '3.6.10', '-base', ('GCCcore', '8.3.0')),
    ('GCC', '8.3.0-2.32'),
 ]

--- a/p/Py/Py-3.7.eb
+++ b/p/Py/Py-3.7.eb
@ -11,7 +11,7 @@ description = """Python 3.7 toolchain"""
 toolchain = SYSTEM

 dependencies = [
-    ('Python', '3.7.5', '-base', ('GCC', '8.3.0-2.32')),
+    ('Python', '3.7.7', '-base', ('GCCcore', '8.3.0')),
    ('GCC', '8.3.0-2.32'),
 ]

--- a/p/Py/Py-3.8.eb
+++ b/p/Py/Py-3.8.eb
@ -11,7 +11,7 @@ description = """Python 3.7 toolchain"""
 toolchain = SYSTEM

 dependencies = [
-    ('Python', '3.8.2', '-base', ('GCC', '8.3.0-2.32')),
+    ('Python', '3.8.2', '-base', ('GCCcore', '8.3.0')),
    ('GCC', '8.3.0-2.32'),
 ]

--- a/p/Python/Python-3.6.10-GCCcore-8.3.0-base.eb
+++ b/p/Python/Python-3.6.10-GCCcore-8.3.0-base.eb
@ -0,0 +1,63 @@
+# IT4Innovations 2020
+
+name = 'Python'
+version = '3.6.10'
+versionsuffix = '-base'
+
+homepage = 'http://python.org/'
+description = """Python is a programming language that lets you work more quickly and integrate your systems
+ more effectively."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['http://www.python.org/ftp/%(namelower)s/%(version)s/']
+sources = [SOURCE_TGZ]
+
+dependencies = [
+    ('binutils', '2.32'),  # required for pip install that involves compilation
+    ('bzip2', '1.0.8'),  # required for bz2 package in Python stdlib
+    ('zlib', '1.2.11'),
+    ('libreadline', '8.0'),
+    ('ncurses', '6.1'),
+    ('SQLite', '3.30.1'),
+    ('XZ', '5.2.4'),
+    ('GMP', '6.1.2'),  # required for pycrypto
+    ('libffi', '3.3'),  # required for cryptography
+    # OS dependency should be preferred if the os version is more recent then this version,
+    # it's nice to have an up to date openssl for security reasons
+    # Python 3.7 requires OpenSSL >= 1.0.2, uncomment line below if OS version is too old (e.g. CentOS 6)
+    # ('OpenSSL', '1.1.0j'),
+]
+
+#osdependencies = [('openssl-devel', 'libssl-dev', 'libopenssl-devel')]
+
+# symlink 'pip' command to 'pip3' that is included with Python installation
+# required so we can update pip to version included in extensions, using pip
+installopts = " && ln -s %(installdir)s/bin/pip3 %(installdir)s/bin/pip"
+
+#exts_default_options = {
+#    'download_dep_fail': True,
+#    'use_pip': True,
+#}
+
+# order is important!
+# package versions updated Mar 15th 2019
+exts_list = [
+    ('pip', '20.0.2', {
+        'source_urls': ['https://pypi.python.org/packages/source/p/pip/'],
+        # don't use --ignore-installed, i.e. let pip remove older pip version included with Python
+        'pip_ignore_installed': False,
+    }),
+    ('setuptools', '46.0.0', {
+        'source_urls': ['https://pypi.python.org/packages/source/s/setuptools'],
+        'source_tmpl': '%(name)s-%(version)s.zip',
+        # don't use --ignore-installed, i.e. let pip remove older setuptools version included with Python
+        'pip_ignore_installed': False,
+    }),
+    ('wheel', '0.34.2', {
+        'source_urls': ['https://pypi.python.org/packages/source/w/wheel'],
+    })
+]
+
+moduleclass = 'lang'
--- a/p/Python/Python-3.7.7-GCCcore-8.3.0-base.eb
+++ b/p/Python/Python-3.7.7-GCCcore-8.3.0-base.eb
@ -0,0 +1,63 @@
+# IT4Innovations 2020
+
+name = 'Python'
+version = '3.7.7'
+versionsuffix = '-base'
+
+homepage = 'http://python.org/'
+description = """Python is a programming language that lets you work more quickly and integrate your systems
+ more effectively."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['http://www.python.org/ftp/%(namelower)s/%(version)s/']
+sources = [SOURCE_TGZ]
+
+dependencies = [
+    ('binutils', '2.32'),  # required for pip install that involves compilation
+    ('bzip2', '1.0.8'),  # required for bz2 package in Python stdlib
+    ('zlib', '1.2.11'),
+    ('libreadline', '8.0'),
+    ('ncurses', '6.1'),
+    ('SQLite', '3.30.1'),
+    ('XZ', '5.2.4'),
+    ('GMP', '6.1.2'),  # required for pycrypto
+    ('libffi', '3.3'),  # required for cryptography
+    # OS dependency should be preferred if the os version is more recent then this version,
+    # it's nice to have an up to date openssl for security reasons
+    # Python 3.7 requires OpenSSL >= 1.0.2, uncomment line below if OS version is too old (e.g. CentOS 6)
+    # ('OpenSSL', '1.1.0j'),
+]
+
+#osdependencies = [('openssl-devel', 'libssl-dev', 'libopenssl-devel')]
+
+# symlink 'pip' command to 'pip3' that is included with Python installation
+# required so we can update pip to version included in extensions, using pip
+installopts = " && ln -s %(installdir)s/bin/pip3 %(installdir)s/bin/pip"
+
+#exts_default_options = {
+#    'download_dep_fail': True,
+#    'use_pip': True,
+#}
+
+# order is important!
+# package versions updated Mar 15th 2019
+exts_list = [
+    ('pip', '20.0.2', {
+        'source_urls': ['https://pypi.python.org/packages/source/p/pip/'],
+        # don't use --ignore-installed, i.e. let pip remove older pip version included with Python
+        'pip_ignore_installed': False,
+    }),
+    ('setuptools', '46.0.0', {
+        'source_urls': ['https://pypi.python.org/packages/source/s/setuptools'],
+        'source_tmpl': '%(name)s-%(version)s.zip',
+        # don't use --ignore-installed, i.e. let pip remove older setuptools version included with Python
+        'pip_ignore_installed': False,
+    }),
+    ('wheel', '0.34.2', {
+        'source_urls': ['https://pypi.python.org/packages/source/w/wheel'],
+    })
+]
+
+moduleclass = 'lang'
--- a/p/Python/Python-3.8.2-GCC-8.3.0-2.32-base.eb
+++ b/p/Python/Python-3.8.2-GCC-8.3.0-2.32-base.eb
@ -15,14 +15,14 @@ source_urls = ['http://www.python.org/ftp/%(namelower)s/%(version)s/']
 sources = [SOURCE_TGZ]

 dependencies = [
-    ('bzip2', '1.0.8', '', True),  # required for bz2 package in Python stdlib
-    ('zlib', '1.2.11', '', True),
-    ('libreadline', '8.0', '', True),
-    ('ncurses', '6.1', '', True),
-    ('SQLite', '3.30.1', '', True),
-    ('XZ', '5.2.4', '', True),
-    ('GMP', '6.1.2', '', True),  # required for pycrypto
-    ('libffi', '3.3', '', True),  # required for cryptography
+    ('bzip2', '1.0.8'),  # required for bz2 package in Python stdlib
+    ('zlib', '1.2.11'),
+    ('libreadline', '8.0'),
+    ('ncurses', '6.1'),
+    ('SQLite', '3.30.1'),
+    ('XZ', '5.2.4'),
+    ('GMP', '6.1.2'),  # required for pycrypto
+    ('libffi', '3.3'),  # required for cryptography
    # OS dependency should be preferred if the os version is more recent then this version,
    # it's nice to have an up to date openssl for security reasons
    # Python 3.7 requires OpenSSL >= 1.0.2, uncomment line below if OS version is too old (e.g. CentOS 6)
--- a/p/Python/Python-3.8.2-GCCcore-8.3.0-base.eb
+++ b/p/Python/Python-3.8.2-GCCcore-8.3.0-base.eb
@ -0,0 +1,63 @@
+# IT4Innovations 2020
+
+name = 'Python'
+version = '3.8.2'
+versionsuffix = '-base'
+
+homepage = 'http://python.org/'
+description = """Python is a programming language that lets you work more quickly and integrate your systems
+ more effectively."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['http://www.python.org/ftp/%(namelower)s/%(version)s/']
+sources = [SOURCE_TGZ]
+
+dependencies = [
+    ('binutils', '2.32'),  # required for pip install that involves compilation
+    ('bzip2', '1.0.8'),  # required for bz2 package in Python stdlib
+    ('zlib', '1.2.11'),
+    ('libreadline', '8.0'),
+    ('ncurses', '6.1'),
+    ('SQLite', '3.30.1'),
+    ('XZ', '5.2.4'),
+    ('GMP', '6.1.2'),  # required for pycrypto
+    ('libffi', '3.3'),  # required for cryptography
+    # OS dependency should be preferred if the os version is more recent then this version,
+    # it's nice to have an up to date openssl for security reasons
+    # Python 3.7 requires OpenSSL >= 1.0.2, uncomment line below if OS version is too old (e.g. CentOS 6)
+    # ('OpenSSL', '1.1.0j'),
+]
+
+#osdependencies = [('openssl-devel', 'libssl-dev', 'libopenssl-devel')]
+
+# symlink 'pip' command to 'pip3' that is included with Python installation
+# required so we can update pip to version included in extensions, using pip
+installopts = " && ln -s %(installdir)s/bin/pip3 %(installdir)s/bin/pip"
+
+#exts_default_options = {
+#    'download_dep_fail': True,
+#    'use_pip': True,
+#}
+
+# order is important!
+# package versions updated Mar 15th 2019
+exts_list = [
+    ('pip', '20.0.2', {
+        'source_urls': ['https://pypi.python.org/packages/source/p/pip/'],
+        # don't use --ignore-installed, i.e. let pip remove older pip version included with Python
+        'pip_ignore_installed': False,
+    }),
+    ('setuptools', '46.0.0', {
+        'source_urls': ['https://pypi.python.org/packages/source/s/setuptools'],
+        'source_tmpl': '%(name)s-%(version)s.zip',
+        # don't use --ignore-installed, i.e. let pip remove older setuptools version included with Python
+        'pip_ignore_installed': False,
+    }),
+    ('wheel', '0.34.2', {
+        'source_urls': ['https://pypi.python.org/packages/source/w/wheel'],
+    })
+]
+
+moduleclass = 'lang'
--- a/s/SQLite/SQLite-3.30.1-GCCcore-8.3.0.eb
+++ b/s/SQLite/SQLite-3.30.1-GCCcore-8.3.0.eb
@ -0,0 +1,39 @@
+# IT4Innovations 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'SQLite'
+version = '3.30.1'
+
+homepage = 'http://www.sqlite.org/'
+description = 'SQLite: SQL Database Engine in a C Library'
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['http://www.sqlite.org/2019/']
+local_version_minor_etc = version.split('.')[1:]
+local_version_minor_etc += '0' * (3 - len(local_version_minor_etc))
+local_version_str = '%(version_major)s' + ''.join('%02d' % int(x)
+                                            for x in local_version_minor_etc)
+sources = [
+    'sqlite-autoconf-%s.tar.gz' % local_version_str,
+    'sqlite-amalgamation-%s.zip' % local_version_str,
+]
+
+dependencies = [
+    ('libreadline', '8.0'),
+    ('Tcl', '8.6.10'),
+]
+
+sanity_check_paths = {
+    'files': [
+        'bin/sqlite3',
+        'include/sqlite3ext.h',
+        'include/sqlite3.h',
+        'lib/libsqlite3.a',
+        'lib/libsqlite3.%s' %
+        SHLIB_EXT],
+    'dirs': ['lib/pkgconfig'],
+}
+
+moduleclass = 'devel'
--- a/t/Tcl/Tcl-8.6.10-GCCcore-8.3.0.eb
+++ b/t/Tcl/Tcl-8.6.10-GCCcore-8.3.0.eb
@ -0,0 +1,27 @@
+# IT4Innovations 2020
+easyblock = 'ConfigureMake'
+
+name = 'Tcl'
+version = '8.6.10'
+
+homepage = 'http://www.tcl.tk/'
+description = """Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language,
+suitable for a very wide range of uses, including web and desktop applications, networking, administration,
+testing and many more."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ["http://prdownloads.sourceforge.net/tcl"]
+sources = ['%(namelower)s%(version)s-src.tar.gz']
+
+dependencies = [
+    ('zlib', '1.2.11'),
+]
+
+configopts = '--enable-threads EXTRA_INSTALL="install-private-headers"'
+
+runtest = 'test'
+
+start_dir = 'unix'
+
+moduleclass = 'lang'
--- a/v/VTK/VTK-8.2.0-foss-2019b-Python-3.7.4.eb
+++ b/v/VTK/VTK-8.2.0-foss-2019b-Python-3.7.4.eb
@ -13,7 +13,7 @@ description = """The Visualization Toolkit (VTK) is an open-source, freely avail
 algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques
 such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation."""

-toolchain = {'name': 'intel', 'version': '2020a'}
+toolchain = {'name': 'foss', 'version': '2019b'}
 toolchainopts = {'usempi': True}

 source_urls = ['https://www.vtk.org/files/release/%(version_major_minor)s']
--- a/v/VTK/VTK-8.2.0-intel-2020a-Py-3.7.eb
+++ b/v/VTK/VTK-8.2.0-intel-2020a-Py-3.7.eb
@ -1,4 +1,4 @@
-# IT4Innovations 2020
+# JH 2020

 easyblock = 'CMakeMake'

@ -6,9 +6,9 @@ name = 'VTK'
 version = '8.2.0'
 versionsuffix = '-Py-3.7'

-homepage = 'http://www.vtk.org'
+homepage = 'https://www.vtk.org'
 description = """The Visualization Toolkit (VTK) is an open-source, freely available software system for
- 3D local_computer graphics, image processing and visualization. VTK consists of a C++ class library and several
+ 3D computer graphics, image processing and visualization. VTK consists of a C++ class library and several
 interpreted interface layers including Tcl/Tk, Java, and Python. VTK supports a wide variety of visualization
 algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques
 such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation."""
@ -21,9 +21,11 @@ sources = [
    SOURCE_TAR_GZ,
    '%(name)sData-%(version)s.tar.gz',
 ]
+patches = [('vtk-version.egg-info', '.')]
 checksums = [
    '34c3dc775261be5e45a8049155f7228b6bd668106c72a3c435d95730d17d57bb',  # VTK-8.2.0.tar.gz
    'd1ff312f7a63d90d8b7033a99109801f16a462ae411d648642838aae04bcc21e',  # VTKData-8.2.0.tar.gz
+    '787b82415ae7a4a1f815b4db0e25f7abc809a05fc85d7d219627f3a7e5d3867b',  # vtk-version.egg-info
 ]

 builddependencies = [('CMake', '3.16.2', '', True)]
@ -34,15 +36,13 @@ dependencies = [
    ('HDF5', '1.10.6'),
    ('netCDF', '4.7.3'),
    ('libGLU', '9.0.1', '-Mesa-19.2.1'),
-    ('X11', '20190717', '', True),
+    ('X11', '20190717'),
    ('numpy', '1.18.1', versionsuffix, True),
    ('mpi4py', '3.0.1', versionsuffix),
 ]

 separate_build_dir = True

-maxparallel = 1
-
 # Third party modules
 configopts = "-DVTK_USE_SYSTEM_MPI4PY=ON "
 configopts += "-DVTK_USE_SYSTEM_LZMA=ON "
@ -54,16 +54,23 @@ configopts += "-DOPENGL_gl_LIBRARY=$EBROOTMESA/lib/libGL.%s " % SHLIB_EXT
 configopts += "-DOPENGL_INCLUDE_DIR=$EBROOTMESA/include "
 # Python
 configopts += "-DVTK_WRAP_PYTHON=ON "
-configopts += "-DVTK_PYTHON_VERSION=2.7 "
+configopts += "-DVTK_PYTHON_VERSION=3.7 "
 configopts += "-DPYTHON_INCLUDE_DIR=$EBROOTPYTHON/include/python3.7m "
-configopts += "-DPYTHON_LIBRARY=$EBROOTPYTHON/lib/libpython3.%s " % SHLIB_EXT
+configopts += "-DPYTHON_LIBRARY=$EBROOTPYTHON/lib/libpython3.7m.%s " % SHLIB_EXT
 # Other
 configopts += "-DVTK_Group_MPI:BOOL=ON "
 configopts += "-DCMAKE_INSTALL_LIBDIR=lib"

 preinstallopts = "export PYTHONPATH=%(installdir)s/lib/python3.7/site-packages:$PYTHONPATH && "

-modextrapaths = {'PYTHONPATH': ['lib/python2.7/site-packages']}
+# Install a egg-info file so VTK is more python friendly, required for mayavi
+local_egg_info_src = '%(builddir)s/VTK-%(version)s/vtk-version.egg-info'
+local_egg_info_dest = '%(installdir)s/lib/python3.7/site-packages/vtk-%(version)s.egg-info'
+postinstallcmds = [
+    'sed "s/#VTK_VERSION#/%%(version)s/" %s > %s' % (local_egg_info_src, local_egg_info_dest),
+]
+
+modextrapaths = {'PYTHONPATH': ['lib/python3.7/site-packages']}

 sanity_check_paths = {
    'files': ['bin/vtk%s-%%(version_major_minor)s' % x for x in
@ -72,6 +79,10 @@ sanity_check_paths = {
    'dirs': ['lib/python3.7/site-packages/', 'include/vtk-%(version_major_minor)s'],
 }

-sanity_check_commands = [('python', "-c 'import %(namelower)s'")]
+sanity_check_commands = [
+    ('python', "-c 'import %(namelower)s'"),
+    ('python', "-c 'import pkg_resources; pkg_resources.get_distribution(\"vtk\")'"),
+]
+

 moduleclass = 'vis'
--- a/x/X11/X11-20190717-GCCcore-8.3.0.eb
+++ b/x/X11/X11-20190717-GCCcore-8.3.0.eb
@ -1,4 +1,4 @@
-# IT4Innovations 2019
+# JH 2020

 easyblock = 'Bundle'

@ -21,17 +21,17 @@ source_urls = [
 ]

 dependencies = [
-    ('bzip2', '1.0.6', '', True),
-    ('fontconfig', '2.13.1'),
+    ('bzip2', '1.0.8'),
+    ('fontconfig', '2.12.6'),
    ('freetype', '2.10.1'),
-    ('zlib', '1.2.11', '', True),
+    ('zlib', '1.2.11'),
 ]
 builddependencies = [
    ('binutils', '2.32'),
    ('Autotools', '20180311', '', True),
    ('Bison', '3.3.2', '', True),
-    ('gettext', '0.19.4', '', True),
-    ('pkg-config', '0.29.2', '', True),
+    ('gettext', '0.20.1'),
+    ('pkg-config', '0.29.2'),
    ('intltool', '0.51.0'),
 ]

--- a/x/XZ/XZ-5.2.4-GCCcore-8.3.0.eb
+++ b/x/XZ/XZ-5.2.4-GCCcore-8.3.0.eb
@ -20,9 +20,8 @@ checksums = [

 builddependencies = [
    # use gettext built with dummy as build dep to avoid cyclic dependency (XZ -> gettext -> libxml2 -> XZ)
-    ('gettext', '0.19.8.1', '', True),
+    ('gettext', '0.19.8.1'),
    # use same binutils version that was used when building GCCcore toolchain
-    ('binutils', '2.32'),
 ]

 # may become useful in non-x86 archs
--- a/x/x264/x264-20190925-GCCcore-8.3.0.eb
+++ b/x/x264/x264-20190925-GCCcore-8.3.0.eb
@ -0,0 +1,39 @@
+# JH 2020
+
+easyblock = 'ConfigureMake'
+
+name = 'x264'
+version = '20190925'
+
+homepage = 'https://www.videolan.org/developers/x264.html'
+
+description = """
+ x264 is a free software library and application for encoding video streams
+ into the H.264/MPEG-4 AVC compression format, and is released under the
+ terms of the GNU GPL.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = [
+    'https://download.videolan.org/pub/videolan/x264/snapshots/',
+    'ftp://ftp.videolan.org/pub/videolan/x264/snapshots/',
+]
+sources = ['x264-snapshot-%(version)s-2245-stable.tar.bz2']
+checksums = ['e55c11466c2ff33463d6bb45399432140a730689d01a1131dadcf0f768fe290e']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('NASM', '2.13.03', '', True),
+]
+
+configopts = " --enable-shared --enable-static"
+
+sanity_check_paths = {
+    'files': ['bin/x264', 'include/x264_config.h', 'include/x264.h',
+              'lib/libx264.a', 'lib/libx264.%s' % SHLIB_EXT],
+    'dirs': [],
+}
+
+moduleclass = 'vis'
--- a/x/x265/x265-3.2-GCCcore-8.3.0.eb
+++ b/x/x265/x265-3.2-GCCcore-8.3.0.eb
@ -0,0 +1,38 @@
+# JH 2020
+
+easyblock = 'CMakeMake'
+
+name = 'x265'
+version = '3.2'
+
+homepage = 'https://x265.org/'
+
+description = """
+ x265 is a free software library and application for encoding video streams
+ into the H.265 AVC compression format, and is released under the terms of
+ the GNU GPL.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = [
+    'https://bitbucket.org/multicoreware/x265/downloads/',
+    'https://download.videolan.org/pub/videolan/x265/',
+]
+sources = ['%(name)s_%(version)s.tar.gz']
+checksums = ['364d79bcd56116a9e070fdeb1d9d2aaef1a786b4970163fb56ff0991a183133b']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('CMake', '3.16.2', '', True),
+    ('Yasm', '1.3.0'),
+]
+
+start_dir = 'source'
+
+sanity_check_paths = {
+    'files': ['bin/x265', 'include/x265_config.h', 'include/x265.h', 'lib/libx265.a', 'lib/libx265.%s' % SHLIB_EXT],
+    'dirs': [],
+}
+
+moduleclass = 'vis'