So, does it mean CMake try_compiles are ran once even though you may
have added/removed definitions?
On 05/09/2012 02:43 PM, Bradley Lowekamp wrote:
Yes, I think that is the reason. CMake try_compiles are done for that
section of code. Essentially adding the -std=gnu++0x changes the
compiler you are using to support a different language.
Brad
On May 9, 2012, at 8:36 AM, Arnaud Gelas wrote:
Hi Brad,
ITK was not compiled when I tried this...
The only thing, I did is to configure once the project without the
definitions, and a second time with the definitions.
Could that be the reason?
Thanks,
Arnaud
On 05/09/2012 02:31 PM, Bradley Lowekamp wrote:
Hello Arnaud,
Would this be after you compiled ITK with out this flag, and then
had a project using ITK where this flag was added?
Brad
On May 9, 2012, at 8:00 AM, Arnaud Gelas wrote:
Hi all,
When doing cmake -DCMAKE_CXX_FLAGS=-std=gnu++0x /path/to/ITK && make
-j8, I get compilation errors in vnl_math (see below).
gcc version: 4.6.3
cmake version: 2.8.7
What would be the best way to fix these errors?
Thanks,
Arnaud
---
/home/ajg23/DEVEL/src/ITK/Modules/ThirdParty/VNL/src/vxl/core/vnl/vnl_math.h:87:27:
error: ‘constexpr’ needed for in-class initialization of static data
member ‘e’ of non-integral type
/home/ajg23/DEVEL/src/ITK/Modules/ThirdParty/VNL/src/vxl/core/vnl/vnl_math.h:88:31:
error: ‘constexpr’ needed for in-class initialization of static data
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