File groff-multi-thread.patch of Package groff.17893

Index: Makefile.in
===================================================================
--- Makefile.in.orig
+++ Makefile.in
@@ -903,6 +903,8 @@ $(GNULIBDIRS): FORCE
 	  $(MAKE) ACLOCAL=: AUTOCONF=: AUTOHEADER=: AUTOMAKE=: $(do) ;; \
 	esac
 
+$(SHPROGDIRS): $(PROGDEPDIRS)
+
 $(OTHERDIRS): $(PROGDEPDIRS) $(CCPROGDIRS) $(CPROGDIRS) $(SHPROGDIRS)
 
 $(INCDIRS) $(PROGDEPDIRS) $(SHPROGDIRS) $(OTHERDIRS): FORCE