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Always build against an SDK on Mac OS 

Building against the local /System can cause build issues when for example
the headers have not been updated to reflect the system version. The system
headers are updated as part of installing the command line tools from within
Xcode, not as part of the system update process, so we might think we are
on 10.8, but the system headers will not reflect that, and we get build
breaks. It's preferable to always build against an SDK, so that we have
a known state for the OS X libraries and headers.

We choose the latests SDK by default, as recommended by Apple.

Change-Id: I79028217ff3a9cbe45aa4cb05ed6dd90388dee50
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
bb10
Tor Arne Vestbø 2013-02-18 11:05:44 +01:00 committed by The Qt Project
parent 443380d97f
commit c3a5681225
1 changed files with 2 additions and 0 deletions
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2
mkspecs/common/mac.conf
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@ -7,6 +7,8 @@
QMAKE_PLATFORM += macx mac
isEmpty(QMAKE_MAC_SDK): QMAKE_MAC_SDK = macosx
QMAKE_RESOURCE = /Developer/Tools/Rez
QMAKE_EXTENSION_SHLIB = dylib