Yes, that's exactly how i built the source package. ;) I tried it again however (some messages are in italian, sorry): ------------------------------------------------------------------------------------ cesare@beltade:~/tmp/mame140/mame-0.140$ ls -l totale 81 drwxr-xr-x 4 cesare cesare 760 2010-11-16 21:28 debian drwxr-xr-x 2 cesare cesare 200 2010-11-18 18:08 docs -rw-r--r-- 1 cesare cesare 17410 2010-11-18 18:08 makefile drwxr-xr-x 9 cesare cesare 248 2010-11-18 18:08 src -rw-r--r-- 1 cesare cesare 61400 2010-11-18 18:08 whatsnew.txt cesare@beltade:~/tmp/mame140/mame-0.140$ debuild -S -sa dpkg-buildpackage -rfakeroot -d -us -uc -S -sa dpkg-buildpackage: export CFLAGS from dpkg-buildflags (origin: vendor): -g -O2 dpkg-buildpackage: export CPPFLAGS from dpkg-buildflags (origin: vendor): dpkg-buildpackage: export CXXFLAGS from dpkg-buildflags (origin: vendor): -g -O2 dpkg-buildpackage: export FFLAGS from dpkg-buildflags (origin: vendor): -g -O2 dpkg-buildpackage: export LDFLAGS from dpkg-buildflags (origin: vendor): -Wl,-Bsymbolic-functions dpkg-buildpackage: source package mame dpkg-buildpackage: source version 0.140-0ubuntu1 dpkg-buildpackage: source changed by Cesare Falco