Same error with py25-tkinter as with py25-hashlib: ---> Building py25-tkinter with target build Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_python_py25-tkinter/work/Python-2.5.1/Modules" && /opt/local/bin/python2.5 setup.py build " returned error 1 Command output: running build running build_ext building '_tkinter' extension creating build creating build/temp.macosx-10.3-i386-2.5 -DNDEBUG -g -O3 -Wall -Wstrict-prototypes -DWITH_APPINIT=1 -I/opt/local/include -I/opt/local/include/python2.5 -c _tkinter.c -o build/temp.macosx-10.3-i386-2.5/_tkinter.o unable to execute -DNDEBUG: No such file or directory error: command '-DNDEBUG' failed with exit status 1