Darwin install strips all global symbols, which gives undefined symbols when linking against a stripped library.  To avoid this, an installstrip variable is added that can be overridden on a per-OS basis. patch by Steven M. Schultz < sms == at -- 2BSD -- dot == COM >
Darwin install strips all global symbols, which gives undefined symbols
when linking against a stripped library.  To avoid this, an installstrip
variable is added that can be overridden on a per-OS basis.
patch by Steven M. Schultz < sms == at -- 2BSD -- dot == COM >


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@4656 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg