default_pre_build                                                  &&
cd $SOURCE_DIRECTORY                                               &&
sedit "s:^PREFIX.*:PREFIX= ${INSTALL_ROOT}/usr:" config.mk         &&
sedit "s:^CFLAGS = -Os \(.*\):CFLAGS = \1 $CFLAGS:" config.mk      &&
sedit "s:^LDFLAGS = \(.*\):LDFLAGS = \1 $LDFLAGS:" config.mk

