new file: b/Blender/Blender-2.81-gompi-2019a-Py-3.7.eb

new file:   b/Boost/Boost-1.70.0-gompi-2019a.eb
	modified:   m/Mesa/Mesa-19.0.1-gompi-2019b.eb
	new file:   m/Meson/Meson-0.50.0-Py-3.7.eb
	new file:   o/OpenEXR/OpenEXR-2.3.0-gompi-2019a.eb
	new file:   o/OpenImageIO/OpenImageIO-2.0.12-gompi-2019a.eb
	deleted:    b/Blender/Blender-2.81-gompi-2019b-Py-3.7.eb

b/Blender/Blender-2.81-gompi-2019a-Py-3.7.eb

@@ -4,14 +4,14 @@ easyblock = 'CMakeMake'
 
 name = 'Blender'
 version = '2.81'
-versionsuffix = '-Py-3.7'
+versionsuffix = '-Python-3.7.2'
 
 homepage = 'https://www.blender.org/'
 description = """Blender is the free and open source 3D creation suite. It supports
  the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering,
  compositing and motion tracking, even video editing and game creation."""
 
-toolchain = {'name': 'gompi', 'version': '2019b'}
+toolchain = {'name': 'gompi', 'version': '2019a'}
 
 source_urls = ['https://download.blender.org/source/']
 sources = [SOURCELOWER_TAR_XZ]
@@ -32,9 +32,9 @@ configopts += '-DPYTHON_INCLUDE_DIR=${EBROOTPYTHON}/include/python3.7m '
 configopts += '-DOPENEXR_INCLUDE_DIR=$EBROOTOPENEXR/include '
 
 dependencies = [
-    ('Py', '3.7', '', True),
+    ('Python', '3.7.2', '', ('GCCcore', '8.2.0')),
 #    ('SciPy-bundle', '2019.10', versionsuffix),
-    ('Boost', '1.70.0', '-Py-3.7'),
+    ('Boost', '1.70.0'),
     ('libjpeg-turbo', '2.0.2', '', True),
     ('zlib', '1.2.11', '', True),
     ('X11', '20190311', '', True),

b/Boost/Boost-1.70.0-gompi-2019a.eb

@@ -0,0 +1,26 @@
+# IT4Innovations 2019
+
+name = 'Boost'
+version = '1.70.0'
+
+homepage = 'http://www.boost.org/'
+description = """Boost provides free peer-reviewed portable C++ source libraries."""
+
+toolchain = {'name': 'gompi', 'version': '2019a'}
+toolchainopts = {'pic': True, 'usempi': True}
+
+source_urls = [SOURCEFORGE_SOURCE]
+sources = ['%%(namelower)s_%s.tar.gz' % '_'.join(version.split('.'))]
+
+
+dependencies = [
+    ('bzip2', '1.0.6', '', True),
+    ('zlib', '1.2.11', '', True),
+]
+
+configopts = '--without-libraries=python'
+
+# also build boost_mpi
+boost_mpi = True
+
+moduleclass = 'devel'

m/Mesa/Mesa-19.0.1-gompi-2019b.eb

@@ -34,7 +34,7 @@ checksums = [
 ]
 
 builddependencies = [
-#    ('Meson', '0.50.0', '-Py-3.7'),
+    ('Meson', '0.50.0', '-Py-3.7'),
     ('Ninja', '1.9.0'),
     ('flex', '2.6.4', '', True),
     ('Bison', '3.3.2', '', True),

m/Meson/Meson-0.50.0-Py-3.7.eb

@@ -0,0 +1,31 @@
+# IT4Innovations 2019
+
+easyblock = 'PythonPackage'
+
+name = 'Meson'
+version = '0.50.0'
+
+homepage = 'https://mesonbuild.com'
+description = "Meson is a cross-platform build system designed to be both as fast and as user friendly as possible."
+
+toolchain = {'name': 'Py', 'version': '3.7'}
+
+source_urls = [PYPI_LOWER_SOURCE]
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['13e034b8e74fd39cb4a833915343bcb291b0337374d0537b76922605dad28648']
+
+dependencies = [
+    ('Ninja', '1.9.0', '', ('GCCcore', '8.3.0')),
+]
+
+download_dep_fail = True
+use_pip = True
+
+options = {'modulename': 'mesonbuild'}
+
+sanity_check_paths = {
+    'files': ['bin/meson'],
+    'dirs': ['lib/python%(local_pyshortver)s/site-packages'],
+}
+
+moduleclass = 'tools'

o/OpenEXR/OpenEXR-2.3.0-gompi-2019a.eb

@@ -0,0 +1,30 @@
+# IT4Innovations 2019
+
+easyblock = 'CMakeMake'
+
+name = 'OpenEXR'
+version = '2.3.0'
+
+homepage = 'http://www.openexr.com/'
+description = """OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic
+ for use in computer imaging applications"""
+
+toolchain = {'name': 'gompi', 'version': '2019a'}
+
+source_urls = ['https://github.com/openexr/openexr/archive/']
+sources = ['v%(version)s.tar.gz']
+checksums = ['8243b7de12b52239fe9235a6aeb4e35ead2247833e4fbc41541774b222717933']
+
+builddependencies = [('CMake', '3.16.0', '-rc3', True)]
+
+configopts = '-DOPENEXR_BUILD_PYTHON_LIBS=OFF'
+
+sanity_check_paths = {
+    'files': ['lib/lib%s-%%(version_major)s_%%(version_minor)s.%s' % (x, SHLIB_EXT) for x in
+              ['Half', 'Iex', 'IexMath', 'IlmImf', 'IlmImfUtil', 'IlmThread', 'Imath']] +
+             ['bin/exr%s' % x for x in
+              ['envmap', 'header', 'makepreview', 'maketiled', 'multipart', 'multiview', 'stdattr']],
+    'dirs': ['include/OpenEXR', 'share'],
+}
+
+moduleclass = 'vis'

o/OpenImageIO/OpenImageIO-2.0.12-gompi-2019a.eb

@@ -0,0 +1,38 @@
+# IT4Innovations 2019
+
+easyblock = 'CMakeMake'
+
+name = 'OpenImageIO'
+version = '2.0.12'
+
+homepage = 'https://openimageio.org/'
+description = """OpenImageIO is a library for reading and writing images, and a bunch of related classes, utilities,
+ and applications."""
+
+toolchain = {'name': 'gompi', 'version': '2019a'}
+
+source_urls = ['https://github.com/OpenImageIO/oiio/archive/']
+sources = ['Release-%(version)s.tar.gz']
+checksums = ['930a142c9cabbbc3b249577083c97e9f0407cc8cbf933144f3a3ed0f3ec9cfe0']
+
+dependencies = [
+    ('Boost', '1.70.0'),
+    ('libjpeg-turbo', '2.0.2', '', True),
+    ('libpng', '1.6.34', '', True),
+    ('LibTIFF', '4.0.7', '', True),
+    ('OpenEXR', '2.3.0'),
+    ('freetype', '2.9.1', '', True),
+    ('zlib', '1.2.11', '', True),
+]
+builddependencies = [('CMake', '3.16.0', '-rc3', True)]
+
+separate_build_dir = True
+
+configopts = '-DSTOP_ON_WARNING=OFF -DUSE_PYTHON=OFF'
+
+sanity_check_paths = {
+    'files': ['bin/oiiotool', 'lib/libOpenImageIO.%s' % SHLIB_EXT, 'lib/libOpenImageIO_Util.%s' % SHLIB_EXT],
+    'dirs': ['include/OpenImageIO', 'share'],
+}
+
+moduleclass = 'lib'