diff --git a/Makefile b/Makefile.no_phantomjs
similarity index 100%
rename from Makefile
rename to Makefile.no_phantomjs
diff --git a/Makefile.phantomjs b/Makefile.phantomjs
new file mode 100644
index 0000000..4098c71
--- /dev/null
+++ b/Makefile.phantomjs
@@ -0,0 +1,33 @@
+NAME = grafana
+SPEC = $(NAME).spec
+
+default: verify-deps clean tar
+
+verify-deps:
+	@which yarn >/dev/null 2>&1 || ( echo "yarn not found; run \`sudo npm install -g yarn\`" && false )
+	@which grunt >/dev/null 2>&1 || ( echo "grunt not found; run \`sudo npm install -g grunt-cli\`" && false )
+
+clean:
+	rm -f $(NAME)-*.tar $(NAME)-*.tar.xz
+
+tar:
+	osc service disabledrun
+	@version=$$( awk '/^Version:/ {print $$2}' $(SPEC) ) && \
+	echo "Package version is $$version" && \
+	basename=$(NAME)-$$version && \
+	tar=$$basename.tar && \
+	tmpdir=$$(mktemp -d -p .) && \
+	cd $$tmpdir && \
+	tar -xf ../$$tar && \
+	cd $$basename && \
+	sed -i 's/base\///' public/sass/base/_fonts.scss && \
+	yarn install --pure-lockfile && \
+	grunt release && \
+	cp -pr tmp/public . && \
+	cp -pr tmp/tools . && \
+	cd .. && \
+	echo "Updating $$basename/tools $$basename/public in tarball..." && \
+	tar -rf ../$$tar $$basename/tools $$basename/public && \
+	cd .. && \
+	xz $$tar && \
+	rm -rf $$tmpdir
diff --git a/grafana.changes b/grafana.changes
index 19b00b9..ba221da 100644
--- a/grafana.changes
+++ b/grafana.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jul 30 14:14:38 CEST 2019 - ro@suse.de
+
+- make phantomjs dependency configurable 
+
 -------------------------------------------------------------------
 Thu Jul 11 08:21:07 UTC 2019 - Jan Fajerski <jan.fajerski@suse.com>
 
diff --git a/grafana.spec b/grafana.spec
index 0510c40..4bda5b1 100644
--- a/grafana.spec
+++ b/grafana.spec
@@ -25,6 +25,8 @@
   %define _fillupdir /var/adm/fillup-templates
 %endif
 
+%bcond_with phantomjs
+
 Name:           grafana
 Version:        6.2.5
 Release:        0
@@ -37,13 +39,18 @@ Source1:        %{name}-rpmlintrc
 # Instructions on the build process
 Source2:        README
 # Makefile to automate build process
-Source3:        Makefile
+Source3:        Makefile.no_phantomjs
+Source4:        Makefile.phantomjs
 BuildRequires:  fdupes
 BuildRequires:  go >= 1.11
 BuildRequires:  golang-packaging
 BuildRequires:  shadow
 Requires(post): %insserv_prereq
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+%if %{with phantomjs}
+BuildRequires:  phantomjs
+Requires:       phantomjs
+%endif
 %{?systemd_requires}
 
 %description
@@ -54,6 +61,11 @@ dashboards and data with teams.
 
 %prep
 %setup -q -n grafana-%{version}
+%if %{with phantomjs}
+cp %{S:4} %_sourcedir/Makefile
+%else
+cp %{S:3} %_sourcedir/Makefile
+%endif
 
 %build
 %goprep github.com/grafana/grafana
@@ -98,6 +110,17 @@ cp -pr public %{buildroot}%{_datadir}/%{name}/
 install -d -m755 %{buildroot}%{_datadir}/%{name}/vendor
 install -d -m755 %{buildroot}%{_datadir}/%{name}/tools
 
+%if %{with phantomjs}
+# phantomjs is used for rendering PNG images of graphs.  The frontend asset
+# build process downloadsa prebuilt x86_64 binary, which ends up in
+# vendor/phantomjs/phantomjs.  This is ugly but works for x86_64.  It naturally
+# will not work for other architectures, so instead we remove the phantomjs
+# binary and install a symlink to the systemwide /usr/bin/phantomjs.
+cp -pr tools/phantomjs %{buildroot}%{_datadir}/%{name}/tools/
+rm -f %{buildroot}%{_datadir}/%{name}/tools/phantomjs/phantomjs
+ln -s %{_bindir}/phantomjs %{buildroot}%{_datadir}/%{name}/tools/phantomjs/phantomjs
+%endif
+
 # Do *not* use %%fudpes -s -- this will result in grafana failing to load
 # all the plugins (something in the plugin scanner can't cope with files
 # in there being symlinks).