-all mostlyclean clean install:
- @$(MAKE) -C src --no-print-directory $@
- @$(MAKE) -C libsrc --no-print-directory $@
+all mostlyclean clean install zip:
+ @$(MAKE) -C src --no-print-directory $@
+ @$(MAKE) -C libsrc --no-print-directory $@
+ @$(MAKE) -C doc --no-print-directory $@
+ @$(MAKE) -C samples --no-print-directory $@