don't regenerate lib/parser_inst.cxx

This would require perl as a build dependency.

opensp.spec

@@ -41,6 +41,11 @@ Header files and libtool library for developing applications that use OpenSP.
 iconv -f latin1 -t utf8 ChangeLog -o ChangeLog.tmp
 mv -f ChangeLog.tmp ChangeLog
 
+# ensure that applying the above patches doesn't cause lib/parser_inst.cxx to
+# be regenerated
+
+touch lib/parser_inst.cxx
+
 %build
 %configure \
 %if 0%{?_module_build}
@@ -112,6 +117,10 @@ make check || : # TODO: failures as of 1.5.2 :(
 
 
 %changelog
+* Tue Apr 25 2017 Nils Philippsen <nils@redhat.com> - 1.5.2-25
+- don't regenerate lib/parser_inst.cxx, this would require perl as a build
+  dependency
+
 * Mon Apr 24 2017 Nils Philippsen <nils@redhat.com> - 1.5.2-25
 - don't build documentation during modular build
 - fix bogus changelog date