[PPL-devel] Compiling PPL with OS X Lion

Jack Howarth howarth at bromo.med.uc.edu
Mon Dec 19 15:27:57 CET 2011


On Sun, Dec 18, 2011 at 02:11:45PM +0400, Fred Mesnard wrote:
> Hi all!
> 
> I am considering upgrading to OS X 10.7 (Lion).
> Will I be able to compile the PPL? 
> Thanks in advance,

Fred,
  One caveat about building ppl under Lion with the system llvm-gcc is that
-frounding-math support doesn't exist in the llvm-based compilers yet. So
either you have to pass --disable-fpmath to configure with llvm-gcc/clang or build
with gcc-4.2 which has a functional -frounding-math option. Note that Xcode
4.2 and later no longer provide gcc-4.2 so that option is problematic.
          Jack

> 
> Fred
> 
> 
> 
> 
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