makepkg: add software check function

Add a function that checks for the software needed by makepkg to
process a PKGBUILD with the requested options.  This allows makepkg
to bail early in the packaging process.

Many other checks can be added to this function...

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions