diff -ur LHAPDF-6.2.1.orig/src/Makefile.am LHAPDF-6.2.1/src/Makefile.am
--- LHAPDF-6.2.1.orig/src/Makefile.am	2017-08-10 22:08:13.000000000 +0200
+++ LHAPDF-6.2.1/src/Makefile.am	2018-06-21 10:22:17.548034288 +0200
@@ -22,6 +22,7 @@
 libLHAPDFPaths_la_CPPFLAGS = $(AM_CPPFLAGS) -DLHAPDF_INSTALL_PREFIX=\"$(prefix)\" -DLHAPDF_DATA_PREFIX=\"$(datadir)\"
 
 libLHAPDF_la_LIBADD = libLHAPDFInfo.la libLHAPDFPaths.la
+libLHAPDF_la_LDFLAGS = -release ${PACKAGE_VERSION}
 
 if ENABLE_LHAGLUE
   noinst_LTLIBRARIES += libLHAPDFGlue.la
diff -ur LHAPDF-6.2.1.orig/src/Makefile.in LHAPDF-6.2.1/src/Makefile.in
--- LHAPDF-6.2.1.orig/src/Makefile.in	2017-08-11 11:27:33.000000000 +0200
+++ LHAPDF-6.2.1/src/Makefile.in	2018-06-21 10:37:36.956148357 +0200
@@ -148,6 +148,9 @@
 am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
 am__v_lt_0 = --silent
 am__v_lt_1 = 
+libLHAPDF_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
+	$(CXXFLAGS) $(libLHAPDF_la_LDFLAGS) $(LDFLAGS) -o $@
 libLHAPDFGlue_la_LIBADD =
 am__libLHAPDFGlue_la_SOURCES_DIST = LHAGlue.cc
 @ENABLE_LHAGLUE_TRUE@am_libLHAPDFGlue_la_OBJECTS =  \
@@ -431,6 +431,7 @@ libLHAPDF_la_SOURCES = \
 libLHAPDFInfo_la_SOURCES = Info.cc
 libLHAPDFInfo_la_CPPFLAGS = -I$(srcdir)/yamlcpp -DYAML_NAMESPACE=LHAPDF_YAML $(AM_CPPFLAGS)
 libLHAPDFInfo_la_LIBADD = $(builddir)/yamlcpp/liblhapdf-yaml-cpp.la
+libLHAPDF_la_LDFLAGS = -release ${PACKAGE_VERSION}
 libLHAPDFPaths_la_SOURCES = Paths.cc
 libLHAPDFPaths_la_CPPFLAGS = $(AM_CPPFLAGS) -DLHAPDF_INSTALL_PREFIX=\"$(prefix)\" -DLHAPDF_DATA_PREFIX=\"$(datadir)\"
 libLHAPDF_la_LIBADD = libLHAPDFInfo.la libLHAPDFPaths.la \
@@ -512,7 +516,7 @@
 	}
 
 libLHAPDF.la: $(libLHAPDF_la_OBJECTS) $(libLHAPDF_la_DEPENDENCIES) $(EXTRA_libLHAPDF_la_DEPENDENCIES) 
-	$(AM_V_CXXLD)$(CXXLINK) -rpath $(libdir) $(libLHAPDF_la_OBJECTS) $(libLHAPDF_la_LIBADD) $(LIBS)
+	$(AM_V_CXXLD)$(libLHAPDF_la_LINK) -rpath $(libdir) $(libLHAPDF_la_OBJECTS) $(libLHAPDF_la_LIBADD) $(LIBS)
 
 libLHAPDFGlue.la: $(libLHAPDFGlue_la_OBJECTS) $(libLHAPDFGlue_la_DEPENDENCIES) $(EXTRA_libLHAPDFGlue_la_DEPENDENCIES) 
 	$(AM_V_CXXLD)$(CXXLINK) $(am_libLHAPDFGlue_la_rpath) $(libLHAPDFGlue_la_OBJECTS) $(libLHAPDFGlue_la_LIBADD) $(LIBS)