compile with regexp support enabled.
/* We depend on etags to assure that parallel makes don't write two
etags.o files on top of each other. */
-ctags: ${srcdir}/etags.c $(GETOPTDEPS) etags
- $(CC) ${ALL_CFLAGS} -DCTAGS -DVERSION="\"${version}\"" ${srcdir}/etags.c $(GETOPTOBJS) $(LOADLIBES) -o ctags
+ctags: etags
+ $(CC) ${ALL_CFLAGS} -DCTAGS -DVERSION="\"${version}\"" -DETAGS_REGEXPS ${srcdir}/etags.c $(GETOPTOBJS) $(REGEXPOBJ) $(LOADLIBES) -o ctags
wakeup: ${srcdir}/wakeup.c
$(CC) ${ALL_CFLAGS} ${srcdir}/wakeup.c $(LOADLIBES) -o wakeup