I have just upgraded to Leopard (tried upgrade and clean install). Installed MacPorts, and then tried to install clusterssh (cssh). On the upgrade, cssh ran, only it could not spawn xterm. I tried 'sudo port remove xterm' and reinstalling it/cssh but got this error: (same for clean install of Leopard) $ sudo port install xterm ---> Fetching xterm ---> Verifying checksum(s) for xterm ---> Extracting xterm ---> Configuring xterm ---> Building xterm with target all Error: Target org.macports.build returned: shell command " cd "/opt/ local/var/macports/build/ _opt_local_var_macports_sources_rsync .macports.org_release_ports_x11_xterm/work/xterm-225" && make all " returned error 2 Command output: gcc -I. -I. -DHAVE_CONFIG_H -I/usr/X11/include -I/usr/ X11/include/freetype2 -I/usr/X11/include -I/usr/X11/include -I/usr/X11/ include -I. -I/usr/X11/include -I/usr/X11/include -I/usr/X11/include/ freetype2 -I/usr/X11/include/freetype2/config -I/usr/X11/include - D__i386__ -D__DARWIN__ -DNO_ALLOCA -DCSRG_BASED -DXFREE86_FT2 - DUTMP -DOSMAJORVERSION=9 -DOSMINORVERSION=0 -I/usr/X11/include -I/ opt/local/include -U_XOPEN_SOURCE -D_XOPEN_SOURCE=500 -DSIGWINCH=28 - DPROJECTROOT='"/usr/X11"' -D__vendorversion__='"Version 6.8.99.903 X.Org"' -O2 -c ./button.c gcc -I. -I. -DHAVE_CONFIG_H -I/usr/X11/include -I/usr/X11/include/ freetype2 -I/usr/X11/include -I/usr/X11/include -I/usr/X11/include - I. -I/usr/X11/include -I/usr/X11/include -I/usr/X11/include/freetype2 - I/usr/X11/include/freetype2/config -I/usr/X11/include -D__i386__ - D__DARWIN__ -DNO_ALLOCA -DCSRG_BASED -DXFREE86_FT2 -DUTMP - DOSMAJORVERSION=9 -DOSMINORVERSION=0 -I/usr/X11/include -I/opt/local/ include -U_XOPEN_SOURCE -D_XOPEN_SOURCE=500 -DSIGWINCH=28 - DPROJECTROOT='"/usr/X11"' -D__vendorversion__='"Version 6.8.99.903 X.Org"' -O2 -c ./cachedGCs.c gcc -I. -I. -DHAVE_CONFIG_H -I/usr/X11/include -I/usr/X11/include/ freetype2 -I/usr/X11/include -I/usr/X11/include -I/usr/X11/include - I. -I/usr/X11/include -I/usr/X11/include -I/usr/X11/include/freetype2 - I/usr/X11/include/freetype2/config -I/usr/X11/include -D__i386__ - D__DARWIN__ -DNO_ALLOCA -DCSRG_BASED -DXFREE86_FT2 -DUTMP - DOSMAJORVERSION=9 -DOSMINORVERSION=0 -I/usr/X11/include -I/opt/local/ include -U_XOPEN_SOURCE -D_XOPEN_SOURCE=500 -DSIGWINCH=28 - DPROJECTROOT='"/usr/X11"' -D__vendorversion__='"Version 6.8.99.903 X.Org"' -O2 -c ./charproc.c ./charproc.c: In function 'in_put': ./charproc.c:3230: error: 'fd_mask' undeclared (first use in this function) ./charproc.c:3230: error: (Each undeclared identifier is reported only once ./charproc.c:3230: error: for each function it appears in.) make: *** [charproc.o] Error 1 XCodeTools/X11SDK, and everything else is installed correctly. I have been able to compile EasyTag, mtr, and a few other programs via macports that I've tried. Any help on this would be appreciated guys. Thanks, Neil