Fixing build issues on Ubuntu 16, dependencies on CentOS 8

scripts/makedeb.sh

@@ -16,10 +16,14 @@ if ! [ -e version.sh ]; then
   exit 1
 fi
 
+buildopts=
+
 # TODO: derive this list automatically?
 case $target in
 ubuntu16)
   depends="libqt4-designer (>= 4.8.6), libqt4-xml (>= 4.8.6), libqt4-sql (>= 4.8.6), libqt4-network (>= 4.8.6), libqtcore4 (>= 4.8.6), libqtgui4 (>= 4.8.6), zlib1g (>= 1.2.8), libgit2-24 (>= 0.24.0), libruby2.3 (>= 2.3.1), python3 (>= 3.5.1), libpython3.5 (>= 3.5.1), libstdc++6 (>= 4.6.3), libc6 (>= 2.15)"
+  # No HTTPS support - that is somewhat useless
+  buildopts=-nolibgit2
   ;;
 ubuntu18)
   depends="libqt4-designer (>= 4.8.7), libqt4-xml (>= 4.8.7), libqt4-sql (>= 4.8.7), libqt4-network (>= 4.8.7), libqtcore4 (>= 4.8.7), libqtgui4 (>= 4.8.7), zlib1g (>= 1.2.11), libgit2-26 (>= 0.26.0), libruby2.5 (>= 2.5.1), python3 (>= 3.6.5), libpython3.6 (>= 3.6.5), libstdc++6 (>= 8), libc6 (>= 2.27)"
@@ -62,7 +66,8 @@ rm -rf $bininstdir
 ./build.sh -j2 \
            -bin $bininstdir \
            -build $builddir \
-           -rpath /$libdir 
+           -rpath /$libdir \
+           $buildopts
 
 if [ "$bits" = "32" ]; then
   arch="i386"

scripts/rpm-data/klayout.spec

@@ -35,6 +35,7 @@ AutoReqProv: 	no
 %if "%{target_system}" == "centos8"
 Requires:	ruby >= 2.5.5
 Requires:	python3 >= 3.6.0
+Requires: libgit2 >= 0.26.8
 Requires: qt5-qtbase >= 5.11.1
 Requires: qt5-qtmultimedia >= 5.11.1
 Requires: qt5-qtxmlpatterns >= 5.11.1