[Xmonad] user Config.hs with freebsd's xmonad port

there is a freebsd port for xmonad as of oct 25 one small issue - no ability to pass one's own Config.hs through to the build process automatically. the following patch got the port Makefile, which i have submitted to the port maintainer, will provide this ability:

pre-everything:: @${ECHO_MSG} "To build xmonad with your own Config.hs, use the XMONAD_CONF setting:" @${ECHO_MSG} "make XMONAD_CONF=/path/to/dwm/Config.hs install clean"

post-extract: .if defined(XMONAD_CONF) @${ECHO_MSG} "creating Config.hs from ${XMONAD_CONF}" @${ECHO_MSG} "wrksrc: ${WRKSRC}" @${CP} ${XMONAD_CONF} ${WRKSRC}/Config.hs .endif

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