INSTALL_DIR?= ${INSTALL} -d -o ${BINOWN} -g ${BINGRP} -m 755
.ifndef(WITH_PTHREADS)
CONFIGURE_ARGS+= --disable-threads
CONFIGURE_ARGS+= --without-pthreads
.else
CONFIGURE_ENV+= CFLAGS="${CFLAGS} ${PTHREAD_CFLAGS} ${PTHREAD_LIBS}"
.endif