STEPMAKE_PATH_PROG(GHOSTSCRIPT, gs, OPTIONAL, 8.60)
STEPMAKE_PATH_PROG(FONTFORGE, fontforge, REQUIRED, 20050624)
+# For svg woff fonts to work, version 20100501 is required but
+# the build does not break; leave optional until distros ship it.
+STEPMAKE_PATH_PROG(FONTFORGE, fontforge, OPTIONAL, 20100501)
STEPMAKE_PATH_PROG(T1ASM, t1asm, REQUIRED)