Hello,
I just updated my mac (version 10.11 and Xcode 7.2.1) and I am trying to install the stack.
I have an error when it installs  the basic environment
Installing Miniconda2 Python Distribution …
[  1/1  ]  miniconda2 3.19.0.lsst4                                    done.
Installing the basic environment …
[  1/5  ]  doxygen 1.8.5.lsst1 …
# include <AvailabilityMacros.h>
^
1 error generated.
make[2]: *** […/objects/qcollection.o] Error 1
make[2]: *** Waiting for unfinished jobs…
Do you know what could be the problem ?
By advance thank you.
Cheers,
Olivier
 you’re absolutely right.
 you’re absolutely right.