Allow to use executable name that contains "-" as a variable (replacing "-" by "_").
Allow to use executable name that contains "-" as a variable (replacing "-" by "_").

Ignore-this: 36d8631405c4daf652c45c5cbbb57adc

darcs-hash:20120326190202-a43a9-d35657104c94b29afc8c50394b90ee0fa0b5da10

avsm/oasis-mirror,diml/oasis,jpdeplaix/oasis,RadicalZephyr/oasis,gerdstolpmann/oasis,madroach/oasis,avsm/oasis-mirror,avsm/oasis-mirror,Chris00/oasis,Chris00/oasis,avsm/oasis-old,gerdstolpmann/oasis,avsm/oasis-old,diml/oasis,jpdeplaix/oasis,Chris00/oasis,jpdeplaix/oasis,RadicalZephyr/oasis,gerdstolpmann/oasis,avsm/oasis-old,madroach/oasis