diff --git a/cmssw-tool-conf.spec b/cmssw-tool-conf.spec
index f411c06216d..4647251c36a 100644
--- a/cmssw-tool-conf.spec
+++ b/cmssw-tool-conf.spec
@@ -150,6 +150,7 @@ Requires: OpenBLAS-toolfile
 Requires: mxnet-predict-toolfile
 Requires: mkfit-toolfile
 Requires: dablooms-toolfile
+Requires: pcm_util-toolfile
 
 # Only for Linux platform.
 %ifos linux
diff --git a/pcm_util-toolfile.spec b/pcm_util-toolfile.spec
new file mode 100644
index 00000000000..1a7e41330bb
--- /dev/null
+++ b/pcm_util-toolfile.spec
@@ -0,0 +1,20 @@
+### RPM external pcm_util-toolfile 1.0
+Requires: pcm_util
+%prep
+
+%build
+
+%install
+
+mkdir -p %i/etc/scram.d
+cat << \EOF_TOOLFILE >%i/etc/scram.d/pcm_util.xml
+<tool name="pcm_util" version="@TOOL_VERSION@">
+  <client>
+    <environment name="PCM_UTIL_BASE" default="@TOOL_ROOT@"/>
+  </client>
+  <runtime name="CLING_PREBUILT_MODULE_PATH" value="$PCM_UTIL_BASE/lib" type="path"/>
+</tool>
+EOF_TOOLFILE
+
+## IMPORT scram-tools-post
+
diff --git a/pcm_util.spec b/pcm_util.spec
new file mode 100644
index 00000000000..9d147d2faf8
--- /dev/null
+++ b/pcm_util.spec
@@ -0,0 +1,30 @@
+### RPM external pcm_util 1.0
+
+Source: none
+BuildRequires: root clhep tinyxml2
+
+%prep
+
+
+%build
+
+rm -f empty.h
+rm -f dummy.modulemap
+
+touch empty.h
+echo "module Dummy{}" > dummy.modulemap
+
+rm -f dummy_dict.cc
+rm -f libDummy.so
+rootcling dummy_dict.cc -moduleMapFile=${CLHEP_ROOT}/include/module.modulemap -s ./libDummy.so -moduleMapFile=dummy.modulemap -cxxmodule -m clhep -mByproduct clhep  -I ${CLHEP_ROOT}/include/ empty.h
+
+rm -f dummy_dict.cc
+rm -f libDummy.so
+rootcling dummy_dict.cc -s ./libDummy.so -moduleMapFile=dummy.modulemap -cxxmodule -m tinyxml2 -mByproduct tinyxml2  -I ${TINYXML2_ROOT}/include/ empty.h
+
+
+%install
+
+mkdir %{i}/lib
+cp clhep.pcm %{i}/lib/.
+cp tinyxml2.pcm %{i}/lib/.