support for space reservation (goal: call gc before trying to insert very large terms).

packages/semweb/Makefile.in

@@ -50,7 +50,7 @@ LD=@DO_SECOND_LD@	@SHLIB_LD@
 LDFLAGS=@EXTRA_LIBS_FOR_SWIDLLS@
 
 BINTARGET=$(DESTDIR)$(YAPLIBDIR)
-PLTARGET=$(DESTDIR)$(SHAREDIR)/http
+PLTARGET=$(DESTDIR)$(SHAREDIR)/semweb
 
 FINAL_BINTARGET=$(YAPLIBDIR)
 FINAL_PLTARGET=$(SHAREDIR)
@@ -117,6 +117,7 @@ install:	$(TARGETS) $(LIBPL)
 		for f in $(TARGETS); do \
 		  $(INSTALL) -m 755 $$f $(BINTARGET); \
 		done
+		mkdir -p $(PLTARGET)
 		for f in $(DATA) $(LIBPL) $(srcdir)/README; do \
 		  $(INSTALL_DATA) $$f $(PLTARGET); \
 		done