add %ghc_merge_filelist

macros.ghc

@@ -209,6 +209,21 @@ fi\
 done\
 %{nil}
 
+# from ghc.spec merge_filelist
+%ghc_merge_filelist()\
+cat %{name}-%1.files >> %{name}-%2.files\
+cat %{name}-%1-devel.files >> %{name}-%2-devel.files\
+%if %{with haddock}\
+cat %{name}-%1-doc.files >> %{name}-%2-doc.files\
+%endif\
+%if %{with ghc_prof}\
+cat %{name}-%1-prof.files >> %{name}-%2-prof.files\
+%endif\
+if [ "%1" != "rts" ]; then\
+cp -p libraries/%1/LICENSE libraries/LICENSE.%1\
+echo "%%license libraries/LICENSE.%1" >> %{name}-%2.files\
+fi\
+%{nil}
 
 # workaround Cabal bug causing executable extra-source-files
 %ghc_fix_doc_perms\