Fix the order for headers inclusion in icons.c, to get reproducible build. The *_pixmap.h wildcard matches the same files, but with a random order, so that different builds can lead to different binary files.
See https://wiki.debian.org/ReproducibleBuilds/
icons.c: $(ALL_ICONS_HEADER)
echo "/* Generated file */" > $@
echo "#include <gdk-pixbuf/gdk-pixdata.h>" >> $@
- for file in *_pixmap.h ; do echo "#include \"$$file\"" >> $@ ; done
+ for file in $(ALL_ICONS_HEADER) ; do echo "#include \"$$file\"" >> $@ ; done
$(BUILT_SOURCES): $(srcdir)/Makefile.am