-# hacks/images/Makefile --- xscreensaver, Copyright (c) 2018 Jamie Zawinski.
+# hacks/images/Makefile.in --- xscreensaver, Copyright (c) 2018 Jamie Zawinski.
+# the `../configure' script generates `hacks/images/Makefile' from this file.
+
srcdir = .
-UTILS_SRC = $(srcdir)/../../utils
+VPATH = ${srcdir} ${srcdir}/bubbles ${srcdir}/m6502 \
+ ${srcdir}/molecules ${srcdir}/noseguy
+top_srcdir = ../..
+UTILS_SRC = $(top_srcdir)/utils
RM = rm -f
STAR = *
TARFILES = Makefile \
+ Makefile.in \
$(STAR).png \
$(STAR).gif \
$(STAR)/$(STAR).png \
$(STAR)/$(STAR).pov \
$(STAR)/$(STAR).txt \
-default:: all
-
-all::
- @if [ ! -d gen ]; then mkdir gen ; fi
- @for f in *.png */*.png ; do \
- f2=`echo "$$f" | \
- sed -e 's@^.*/@@' \
- -e 's@^\(.*\)\.\([^./]*\)$$@gen/\1_\2.h@'` ; \
- if [ ! -f "$$f2" -o "$$f" -nt "$$f2" ]; then \
- echo $(UTILS_SRC)/bin2c "$$f" "$$f2" ; \
- $(UTILS_SRC)/bin2c "$$f" "$$f2" ; \
- fi ; \
- done
-
-clean::
+PNG_HDRS = $(shell find $(srcdir) -name \*.png | \
+ sed 's@^.*/\(.*\)\.\(png\)$$@gen/\1_\2.h@')
+
+default: all
+
+all: gen $(PNG_HDRS)
+
+gen:
+ mkdir gen
+
+# %.png dependency below works because VPATH contains subdirs
+# of 'images' dir not only 'images' itself
+gen/%_png.h: %.png
+ echo $(UTILS_SRC)/bin2c "$<" "$@"
+ $(UTILS_SRC)/bin2c "$<" "$@"
+
+clean:
$(RM) -r gen
echo_tarfiles: