default_pre_build     &&
cd $SOURCE_DIRECTORY  &&
sedit "s:^DESTDIR.*:DESTDIR = $INSTALL_ROOT/usr/bin:" Makefile
sedit "s:^CFLAGS =\(.*\):CFLAGS = \1 $CFLAGS:" Makefile
sedit "s:^LDFLAGS =\(.*\):LDFLAGS = \1 $LDFLAGS:" Makefile