[Bf-committers] Building the latest trunk/master on Mac

Varanda - CG Labs cglabs at mail.com
Fri May 2 15:54:44 CEST 2014


Thanks Jens,

Neither way worked. Never mind… I will use my desktop Mac which is building fine. If I need to generate any patch for the latest master/trunk then I will do so in a Linux box.

Regards,
Varanda

On May 2, 2014, at 4:30 AM, Jens Verwiebe <info at jensverwiebe.de> wrote:

> I have no time atm to look into it, her  just fast cmake setup:
> 
> Most convenient: use cmake gui and set up either 
> 
> • WITH_OPENMP OFF or
> • set compiler to "../lib/darwin9-universak/clang-omp/bin/clang" and clang++ acoordingly + WITH_OPENMP ON
> 
> or cmdline should be:
> 
> • -D WITH_OPENMP=OFF  or
> • -D WITH_OPENMP=ON -D CMAKE_CXX_COMPILER="../lib/darwin9-universak/clang-omp/bin/clang++" -D -D CMAKE_C_COMPILER="../lib/darwin9-universak/clang-omp/bin/clang"
> 
> clang++ or clang for cxx is both o.k., clang handless both typers, clang++ just a shim to clang.
> 
> Jens
> 
> 
> 
> 
> Am 02.05.2014 um 00:25 schrieb Varanda - CG Labs <cglabs at mail.com>:
> 
>> 
>> Thanks Campbell… I agree. however, the yesterday’s trunk fails to build in my Mac laptop with both settings: OpenMP on and OpenMP off.
>> Now I am at home I can compare the settings between my Mac desktop with a build 2.69 which worked out-of-the-box with my laptop.
>> BTW… that was the build I used to generate the patch for the Vertice Randomization T38317 that you have provide some guidance :-)
>> 
>> The tweak in CMakeLists.txt was an attempt to follow Jens’s suggestions (along with the README).
>> 
>> Hopefully comparing my machines I may figure out what is going on as both have the same 10.9.2 OSX.
>> 
>> On May 1, 2014, at 5:54 PM, Campbell Barton <ideasman42 at gmail.com> wrote:
>> 
>>> @Varanda, setting WITH_OPENMP should disable OpenMP no matter what
>>> configuration you build on.
>>> 
>>> From searching CMakeLists.txt files, I can't see anywhere that would
>>> enable this option, once disabled.
>>> 
>>> On Fri, May 2, 2014 at 7:37 AM, Varanda - CG Labs <cglabs at mail.com> wrote:
>>>> Thanks Jens,
>>>> 
>>>> It is not clear yet to me: shouldn’t turning off WITH_OPENMP in ccmake makes the build happy ?
>>>> How can I override gcc in CMakeLists.txt to point to clang-imp? There is no visible ease line likes setting CC or CXX = ABC
>>>> 
>>>> The closest definition regarding to the compiler there is:
>>>> 
>>>>              if(${XCODE_VERSION} VERSION_EQUAL 4 OR ${XCODE_VERSION} VERSION_GREATER 4 AND ${XCODE_VERSION} VERSION_LESS 4.3)
>>>>                      # Xcode 4 defaults to the Apple LLVM Compiler.
>>>>                      # Override the default compiler selection because Blender only compiles with gcc up to xcode 4.2
>>>>                      set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "com.apple.compilers.llvmgcc42")
>>>>                      message(STATUS "Setting compiler to: " ${CMAKE_XCODE_ATTRIBUTE_GCC_VERSION})
>>>>              endif()
>>>> 
>>>> I am not familiar with cmake though. Some more digested information would be very welcome.
>>>> 
>>>> Thanks a lot,
>>>> Varanda
>>>> 
>>>> On May 1, 2014, at 4:28 PM, Jens Verwiebe <info at jensverwiebe.de> wrote:
>>>> 
>>>>> Use the clang-omp  i provided in libs. ( instructions in README ).
>>>>> Apple clang does not support openmp, but someone made it ON by default, which is not sufficient.
>>>>> 
>>>>> Jens
>>>>> 
>>>>> Am 01.05.2014 um 22:05 schrieb Varanda - CG Labs <cglabs at mail.com>:
>>>>> 
>>>>>> Hello,
>>>>>> 
>>>>>> I am having problems to build Blender for MacOSX (Mavericks) using the very latest trunk/Master in my MacBook.
>>>>>> A couple months ago the entire process worked perfectly for my Mac desktop also with Mavericks.
>>>>>> 
>>>>>> The build complain about a missing lib: I guess libgompo, the logged error line is:
>>>>>> 
>>>>>> $ make
>>>>>> Scanning dependencies of target datatoc
>>>>>> [  0%] Building C object source/blender/datatoc/CMakeFiles/datatoc.dir/datatoc.c.o
>>>>>> clang: warning: argument unused during compilation: '-fopenmp'
>>>>>> Linking C executable ../../../bin/datatoc
>>>>>> ld: library not found for -lgomp
>>>>>> clang: error: linker command failed with exit code 1 (use -v to see invocation)
>>>>>> 
>>>>>> Disabling OpenMP on ccmake (WITH_OPENMP off) does not do any good.
>>>>>> 
>>>>>> Thanks in advance,
>>>>>> Varanda
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>>> 
>>> 
>>> -- 
>>> - Campbell
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> 
> _____________________________________
> 
> Jens Verwiebe
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> 
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