-MOSTLYCLEANFILES += $(GENICONS:.png=-t.png)
-DISTCLEANFILES += $(GENICONS:.png=.xpm)
-MAINTAINERCLEANFILES += $(GENICONS)
-SUFFIXES = .gen
-
-GENICONS = data/rr48x48.png data/rr32x32.png data/rr24x24.png data/rr16x16.png
-$(GENICONS): ;
-
-build-icons: t/ewmhicon$(EXEEXT) $(GENICONS)
- $(AM_V_at) set x $(GENICONS:.png=); shift; for f; do shift; \
- test -f "$$f.png" || test -f "$(srcdir)/$$f.png" || \
- { set x "$$@" "$$f.gen"; shift; }; \
- done; $(MAKE) $(AM_MAKEFLAGS) "$$@"
+
+build-icons:
+ $(AM_V_at) list=; \
+ for i in $(PNGICONS:.png=); do \
+ test -f $$i.png || test -f $(srcdir)/$$i.png \
+ || list="$$list $$i.genpng"; \
+ done; \
+ test x"$$list" = x || $(MAKE) $(AM_MAKEFLAGS) $$list