[ITK Community] [Insight-developers] Mac OSX Mavericks build configuration

[Bradley Lowekamp]

Hans,

Glad you got a work around.

An important part of this is getting the CMake try compiles correct. So those flags must be set for the first configuration!

Flags like "-stdlib=libstdc++ -std=c++03" or "-std=c++11" essentially changes the language and the try_compile results. If these flags are added or changed after their initial configuration then the try_compile results are erroneous and the configuration of ITK is inconsistent.

Last I check CMake does not detect this change and does not force a re-configure like when you change the compiler. I think this is really a CMake issue.

Additionally these "-std=" flags should likely be part of ITK's required CXX flags.

Brad

On Oct 31, 2013, at 10:04 PM, "Johnson, Hans J" <hans-johnson at uiowa.edu> wrote:

> Hello All,
> 
> I¹ve been fighting to get a build of ITK on the newest version of MacOSX
> (with their clang only compilers).
> 
> One incantation that I¹ve been able to make work is the following:
> 
> cmake -DCMAKE_CXX_FLAGS:STRING='-stdlib=libstdc++ -std=c++03 Π ../ITK
> 
> I can say that the git master from today with these flags compiled and all
> tests passed.
> 
> 
> 
> Hans
> 
> 
> 
> 
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