make systemOut and friends check the exit code. Ignore-this: 8d01a1260f204e5f54f2fadf110bf70d In particular, this addresses the problem in darcs where Setup.hs would happily run a nonexistent config-libwww.  It's also the right thing to do, particularly for exit code 127, which means the command was never even run!
make systemOut and friends check the exit code.
Ignore-this: 8d01a1260f204e5f54f2fadf110bf70d
In particular, this addresses the problem in darcs where Setup.hs would
happily run a nonexistent config-libwww.  It's also the right thing to do,
particularly for exit code 127, which means the command was never even
run!

droundy/franchise