pocoproject/poco — pull request #238 by kblaschke (2013-07-18 14:49:17+00:00)
Title: Only clean targets not listed in --omit

If omitting Data/ODBC, a "make clean" command fails because the Data/ODBC makefile always checks for an available ODBC library. Only cleaning the not-omitted targets solves the problem. "make distclean" still provides a way to thoroughly clean everything.