Can do : with pkgsrc/devel/boost-libs/Makefile:BJAM_ARGS+= - -without-coroutine2 i go to the port with pkgsrc/devel/boost-libs/ and after can i do at the prompt # make -without-coroutine2 On Wed, 2018-02-28 at 12:59 +1100, matthew green wrote: > pkgsrc/devel/boost-libs/Makefile:BJAM_ARGS+= --without- > coroutine2