[FFmpeg-cvslog] r19609 - in trunk: common.mak configure
Tue Sep 1 14:43:18 CEST 2009
On Sun, Aug 09, 2009 at 05:05:27PM +0300, Uoti Urpala wrote:
> On Sat, 2009-08-08 at 20:27 +0200, mru wrote:
> > Log:
> > Generate dependencies while compiling if supported by compiler
> > + CC_DEPFLAGS='-MMD'
> You should add -MP here. Without it 'make' will fail when you rename
> headers because the .d file has a now unsatisfiable dependency on the
> old header name. With -MP the compiler will add a phony target, so a
> "missing" header just triggers a recompile that will either update the
> dependencies or fail if it's a real error.
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