mpack: use checksummed patches
newt: use checksummed patches
nvi: use checksummed patches
ogmtools: use checksummed patches
cc: filter more flags clang hates.

Should help with the Xcode 5.1 madness.

Closes #27549.
orbit: use checksummed patches
orientdb: use checksummed patches
par: use checksummed patches
pdksh: use checksummed patches
Ensure patch cache path is unique even when checksum is missing
pgplot: use checksummed patches
pygobject: use checksummed patches
srtp: use checksummed patches
sshguard: use checksummed patches
Fix Resource#stage method signature in debug mode

Fixes #27554.
tinyproxy: use checksummed patches
tinysvm: use checksummed patches
tinyxml: use checksummed patches
ucspi-tcp: use checksummed patches
Fix the debug implementation of Resource#stage as well