diff --git a/g/GlobalArrays/GlobalArrays-5.7-foss-2018a.eb b/g/GlobalArrays/GlobalArrays-5.7-foss-2018a.eb
new file mode 100644
index 00000000..f3eadc64
--- /dev/null
+++ b/g/GlobalArrays/GlobalArrays-5.7-foss-2018a.eb
@@ -0,0 +1,34 @@
+# IT4Innovations 2019
+
+easyblock = 'ConfigureMake'
+
+name = 'GlobalArrays'
+version = '5.7'
+
+homepage = 'http://hpc.pnl.gov/globalarrays'
+description = "Global Arrays (GA) is a Partitioned Global Address Space (PGAS) programming model"
+
+toolchain = {'name': 'foss', 'version': '2018a'}
+toolchainopts = {'usempi': True}
+
+source_urls = ['https://github.com/GlobalArrays/ga/archive/']
+sources = ["v%(version)s.tar.gz"]
+
+#osdependencies = [('libibverbs-dev', 'libibverbs-devel', 'rdma-core-devel')]
+
+builddependencies = [
+    ('Autotools', '20180311', '', True),
+]
+
+preconfigopts= './autogen.sh && '
+
+configopts = '--with-openib'
+configopts += ' --with-blas8="-L$BLAS_LIB_DIR $LIBBLAS" --with-lapack="-L$LAPACK_LIB_DIR $LIBLAPACK"'
+configopts += ' --with-scalapack8="-L$SCALAPACK_LIB_DIR $LIBSCALAPACK"'
+
+sanity_check_paths = {
+    'files': ['bin/adjust.x', 'bin/collisions.x', 'bin/ga-config', 'lib/libarmci.a', 'lib/libga.a'],
+    'dirs': ['include'],
+}
+
+moduleclass = 'lib'
diff --git a/n/NWChem/NWChem-6.8.1-intel-2017c-Py-2.7.eb b/n/NWChem/NWChem-6.8.1-intel-2017c-Py-2.7.eb
new file mode 100644
index 00000000..60c12d58
--- /dev/null
+++ b/n/NWChem/NWChem-6.8.1-intel-2017c-Py-2.7.eb
@@ -0,0 +1,45 @@
+# IT4Innovations 2019
+
+name = 'NWChem'
+version = '6.8.1'
+versionsuffix = '-Py-2.7'
+
+homepage = 'http://www.nwchem-sw.org'
+description = """NWChem aims to provide its users with computational chemistry tools that are scalable both in
+ their ability to treat large scientific computational chemistry problems efficiently, and in their use of available
+ parallel computing resources from high-performance parallel supercomputers to conventional workstation clusters.
+ NWChem software can handle: biomolecules, nanostructures, and solid-state; from quantum to classical, and all
+ combinations; Gaussian basis functions or plane-waves; scaling from one to thousands of processors; properties
+ and relativity."""
+
+toolchain = {'name': 'intel', 'version': '2017c'}
+toolchainopts = {'i8': True}
+
+source_urls = ['https://github.com/nwchemgit/nwchem/archive']
+sources = ['6.8.1-release.tar.gz']
+
+patches = [
+    'NWChem_fix-date.patch',
+]
+
+dependencies = [
+    ('Py', '2.7', '', True),
+]
+
+#preconfigopts =  "export EXTERNAL_GA_PATH=${EBROOTGLOBALARRAYS} && "
+#preconfigopts += "mv tools/GNUmakefile GNUmakefile.tools && "
+#preconfigopts += "rm -rf tools/* && "
+#preconfigopts += "tar -C tools -xvf /apps/easybuild/sources/g/GlobalArrays/v5.7.tar.gz && "
+#preconfigopts += "mv tools/ga-5.7 tools/ga-5.6.5 && "
+#preconfigopts += "mv GNUmakefile.tools tools/GNUmakefile && "
+
+# This easyconfig is using the default for armci_network (OPENIB) and
+# thus needs infiniband libraries.
+#osdependencies = [
+#    ('libibverbs-dev', 'libibverbs-devel'),
+#    ('libibumad-dev', 'libibumad-devel'),
+#]
+
+modules = 'all python'
+
+moduleclass = 'chem'
diff --git a/n/numactl/numactl-2.0.11-GCC-6.3.0-2.27.eb b/n/numactl/numactl-2.0.11-GCC-6.3.0-2.27.eb
index 1f993991..5a3f0dcf 100644
--- a/n/numactl/numactl-2.0.11-GCC-6.3.0-2.27.eb
+++ b/n/numactl/numactl-2.0.11-GCC-6.3.0-2.27.eb
@@ -16,7 +16,7 @@ toolchainopts = {'pic': True}
 source_urls = ['https://github.com/numactl/numactl/archive/']
 sources = [SOURCE_TAR_GZ]
 
-preconfigopts = "./autogen.sh && "
+#preconfigopts = "./autogen.sh && "
 
 sanity_check_paths = {
     'files': [
diff --git a/r/R/R-3.5.3-intel-2017a.eb b/r/R/R-3.5.3-intel-2017a.eb
index a9287686..ec566bb6 100644
--- a/r/R/R-3.5.3-intel-2017a.eb
+++ b/r/R/R-3.5.3-intel-2017a.eb
@@ -515,9 +515,7 @@ exts_list = [
     ('broom', '0.5.0', {
         'checksums': ['4f912b5d9f6b7dfb24793024cdcf47e8c1a70941b907820ad4a53980771868e4'],
     }),
-    ('nloptr', '1.0.4', {
-        'checksums': ['84225b993cb1ef7854edda9629858662cc8592b0d1344baadea4177486ece1eb'],
-    }),
+    ('nloptr', '1.0.4'),
     ('lme4', '1.1-18-1', {
         'checksums': ['982af02f33d40de88e3ec358eceec74576c8b839a526587760477e3495235905'],
     }),
@@ -560,9 +558,7 @@ exts_list = [
     ('bitops', '1.0-6', {
         'checksums': ['9b731397b7166dd54941fb0d2eac6df60c7a483b2e790f7eb15b4d7b79c9d69c'],
     }),
-    ('boot', '1.3-20', {
-        'checksums': ['f339ddb7138ad05fe3e19852caf7d369f9c1ab827a70045ff66223e032cd0e06'],
-    }),
+    ('boot', '1.3-20'),
     ('mixtools', '1.1.0', {
         'checksums': ['543fd8d8dc8d4b6079ebf491cf97f27d6225e1a6e65d8fd48553ada23ba88d8f'],
     }),
@@ -1137,9 +1133,7 @@ exts_list = [
     ('beanplot', '1.2', {
         'checksums': ['49da299139a47171c5b4ccdea79ffbbc152894e05d552e676f135147c0c9b372'],
     }),
-    ('clValid', '0.6-6', {
-        'checksums': ['c13ef1b6258e34ba53615b78f39dbe4d8ba47b976b3c24a3eedaecf5ffba19ed'],
-    }),
+    ('clValid', '0.6-6'),
     ('matrixStats', '0.54.0', {
         'patches': ['matrixStats-0.53.1_O1.patch'],
         'checksums': [