diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f087b42
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/HDF5/netcdf/build b/HDF5/netcdf/build
index b013a6f..52e6fc8 100755
--- a/HDF5/netcdf/build
+++ b/HDF5/netcdf/build
@@ -1,5 +1,7 @@
 #!/usr/bin/env modbuild
 
+SOURCE_URL="https://www.unidata.ucar.edu/downloads/$P/ftp/$P-$V.tar.gz"
+
 pbuild::pre_configure() {
 	:
 }
@@ -15,12 +17,24 @@ pbuild::configure() {
 		--prefix="${PREFIX}" \
 		--enable-netcdf-4 \
 		--with-pic \
+		--enable-pnetcdf \
+		--enable-remote-fortran-bootstrap \
 		|| exit 1
 }
 
+pbuild::build() {
+	make check
+	make 
+	make install
+	make build-netcdf-fortran
+	make install-netcdf-fortran
+}
+
+pbuild::install() {
+	:
+}
+
 pbuild::add_to_group 'HDF5'
-pbuild::set_runtime_dependencies "${COMPILER}" "${MPI}" 'hdf5'
-pbuild::set_build_dependencies   "${COMPILER}" "${MPI}" 'hdf5'
 pbuild::set_docfiles 'COPYRIGHT' 'README.md' 'RELEASE_NOTES.md'
 pbuild::make_all
 
diff --git a/Libraries/mpc/build b/Libraries/mpc/build
index 0b67874..be22992 100755
--- a/Libraries/mpc/build
+++ b/Libraries/mpc/build
@@ -1,6 +1,10 @@
 #!/usr/bin/env modbuild
 
-SOURCE_URL="ftp://ftp.gnu.org/gnu/$P/$P-$V_MAJOR.$V_MINOR.$V_PATCHLVL.tar.gz"
+module use 'Libraries'
+
+pbuild::set_source_url "ftp://ftp.gnu.org/gnu/${P}/${P}-${V_PKG}.tar.gz"
+pbuild::add_to_group 'Libraries'
+pbuild::use_cc '/usr/bin/cc'
 
 pbuild::configure() {
 	"${MODULE_SRCDIR}"/configure \
@@ -11,10 +15,5 @@ pbuild::configure() {
 		|| exit 1
 }
 
-# use system gcc to compile
-declare -rx CC=gcc
-
-module use 'Libraries'
-pbuild::add_to_group 'Libraries'
 pbuild::make_all
 
diff --git a/MPI/lammps/2018/variants b/MPI/lammps/2018/variants
new file mode 100644
index 0000000..b74e7a5
--- /dev/null
+++ b/MPI/lammps/2018/variants
@@ -0,0 +1 @@
+lammps/2018.3	unstable	gcc/7.3.0 openmpi/3.0.1
diff --git a/MPI/lammps/build b/MPI/lammps/build
index df7bb75..5dd6318 100755
--- a/MPI/lammps/build
+++ b/MPI/lammps/build
@@ -1,7 +1,10 @@
 #!/usr/bin/env modbuild
 
-SOURCE_URL="lammps-2017.8.tar.gz"
-
+pbuild::add_to_group 'MPI'
+pbuild::set_download_url="file:///lammps-2017.8.tar.gz"
+pbuild::set_docfiles \
+		LICENSE \
+		README
 pbuild::compile_in_sourcetree
 
 pbuild::configure() {
@@ -18,9 +21,5 @@ pbuild::install() {
 	strip "${PREFIX}/bin/lmp_omp"
 }
 
-pbuild::add_to_group 'MPI'
-pbuild::set_docfiles \
-		LICENSE \
-		README
 pbuild::make_all
 
diff --git a/Tools/emacs/25/variants b/Tools/emacs/25/variants
index c8c3e1b..c131366 100644
--- a/Tools/emacs/25/variants
+++ b/Tools/emacs/25/variants
@@ -1,2 +1,2 @@
 emacs/25.1 stable b:libungif/4.1.4 b:tiff/4.0.3
-emacs/25.3 unstable b:libungif/4.1.4 b:tiff/4.0.9
+emacs/25.3 stable b:libungif/4.1.4 b:tiff/4.0.9
diff --git a/Tools/gnuplot/5/variants b/Tools/gnuplot/5/variants
index 1093a84..988e97d 100644
--- a/Tools/gnuplot/5/variants
+++ b/Tools/gnuplot/5/variants
@@ -1,3 +1,4 @@
 gnuplot/4.6.3	stable
 gnuplot/5.0.0	stable
 gnuplot/5.2.0	stable
+gnuplot/5.2.4	stable
diff --git a/Tools/gnuplot/build b/Tools/gnuplot/build
index f321704..d774601 100755
--- a/Tools/gnuplot/build
+++ b/Tools/gnuplot/build
@@ -1,6 +1,8 @@
 #!/usr/bin/env modbuild
 
-SOURCE_URL="https://sourceforge.net/projects/gnuplot/files/$P/$V/$P-$V.tar.gz"
+pbuild::add_to_group 'Tools'
+pbuild::set_source_url "https://sourceforge.net/projects/gnuplot/files/$P/$V/$P-$V.tar.gz"
+pbuild::set_docfiles 'Copyright' 'ChangeLog' 'NEWS' 'README'
 
 pbuild::configure() {
 	"${MODULE_SRCDIR}"/configure \
@@ -10,8 +12,6 @@ pbuild::configure() {
 		|| exit 1
 }
 
-pbuild::add_to_group 'Tools'
-pbuild::set_docfiles 'Copyright' 'ChangeLog' 'NEWS' 'README'
 pbuild::make_all
 
 # Local Variables: