+BITMAP_IMAGES = $(call src-wildcard,*.png) $(call src-wildcard,*.jpg)
+EPS_ILLUSTRATIONS = $(call src-wildcard,*.eps)
+SVG_FILES = $(call src-wildcard,*.svg)
+PDF_DIR = $(call src-wildcard,pdf/*.pdf)
+
+EXTRA_DIST_FILES = $(BITMAP_IMAGES) $(EPS_ILLUSTRATIONS) $(SVG_FILES)
+
+OUT_PDF_IMAGES = $(EPS_ILLUSTRATIONS:%.eps=$(outdir)/%.pdf)
+OUT_BITMAP_IMAGES = $(BITMAP_IMAGES:%=$(outdir)/%)
+OUT_BITMAP_IMAGES += $(EPS_ILLUSTRATIONS:%.eps=$(outdir)/%.png)
+
+STEPMAKE_TEMPLATES = documentation