Sorry for being so dense, but what happens when your installing using
system 10.5 and there is a darwin_8 variant but no darwin_9 variant?
Will the darwin_8 be used and the result work on 10.4, but then be
iffy on 10.5? This is the mplayer-devel port file.
On May 14, 2009, at 10:35 AM, Joshua Root wrote:
On 2009-5-15 02:20, EmmGunn wrote:
If I may, I have a follow up on the platform constraints.
So these constraints have nothing to do with what systems the
compiled
binaries will run on. Is that right? I seem to recall reading
somewhere that macport builds will run on 10.4 and higher if I
install
with 10.5.
That's not true in general. Platform variants contain code specific
both
to building on the corresponding platform and to running on it.
MacPorts
does not currently offer a way to build on one platform and target
another.
Running Leopard-built binaries on Tiger may succeed in *some* cases if
you change universal_target to 10.4 and universal_sysroot to
/Developer/SDKs/MacOSX10.4u.sdk. But any time there is a darwin_8
and/or
darwin_9 variant, MP will select the one matching the build machine,
which will generally cause problems.
- Josh
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