Make obsolete scriptlets conditional for EPEL < 8

libidn2.spec

@@ -31,6 +31,10 @@ developing applications that use libidn2.
 Summary:          IDNA2008 internationalized domain names conversion tool
 License:          GPLv3+
 Requires:         %{name}%{?_isa} = %{version}-%{release}
+%if 0%{?rhel} && 0%{?rhel} <= 7
+Requires(post):   /sbin/install-info
+Requires(preun):  /sbin/install-info
+%endif
 
 %description -n idn2
 The idn2 package contains the idn2 command line tool for testing
@@ -66,6 +70,16 @@ make %{?_smp_mflags} -C tests check
 
 %ldconfig_scriptlets
 
+%if 0%{?rhel} && 0%{?rhel} <= 7
+%post -n idn2            
+/sbin/install-info %{_infodir}/%{name}.info.gz %{_infodir}/dir || :            
+
+%preun -n idn2            
+if [ $1 = 0 ]; then            
+  /sbin/install-info --delete %{_infodir}/%{name}.info.gz %{_infodir}/dir || :            
+fi
+%endif
+
 %files -f %{name}.lang
 %license COPYING COPYING.LESSERv3 COPYING.unicode COPYINGv2
 %doc AUTHORS NEWS README.md