Mike Jackson wrote:
Sean will chime in pretty quick but basically since CMake uses
compilations to test things like endian then you run the risk of
creating binaries that will not work. At the moment I build each type
(PPC or Intel) on their respective machines then lipo them together on
one of the machines. This is very labor intensive to do it this way
but seems to be the only way to get the binaries to work right.
Sean may have more..
VTK should be changed to support the mac universal binaries. In
vtkConfigure.h.in this line:
#cmakedefine VTK_WORDS_BIGENDIAN
IT should be chanced to this:
#ifndef __APPLE__
# cmakedefine VTK_WORDS_BIGENDIAN
#else
#ifdef __BIG_ENDIAN__
# define VTK_WORDS_BIGENDIAN
#endif
That should fix the problem, and allow for universal binaries to be
created. The other issue is the SIZEOF stuff. Same sort of thing can
be done with that.
Basically, vtkConfigure.h.in needs to have a large ifdef __APPLE__
section that hard codes, or otherwise sets defines to the right values
based on built-in defines from the compiler and not the results of
try-run tests.
If someone can test this and create a patch for vtkConfigure.h.in I will
put it in VTK.
-Bill
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