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[OpenFOAM.org] Building OpenFOAM 3.0 with C++11 features

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Old   November 4, 2015, 09:49
Default Building OpenFOAM 3.0 with C++11 features
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I tried to compile it with C++11 which was possible in earlier versions, but it seems that now there is a missing directory, namely wmake/rules/linux64Gcc++0x/. Can anyone elaborate on this?
I'm currently trying to compile it with an older version of this directory. It's still working, but so far it seems to be fine.

Edit: No, getting errors in PStream dummy library relatively early in the compilation procedure:
Code:
+ wmake libso dummy
/home/benutzer/OpenFOAM/OpenFOAM-3.0.x/src/Pstream/dummy
g++ -m64 -std=c++0x -Dlinux64 -DWM_ARCH_OPTION=64 -DWM_DP -DWM_LABEL_SIZE=32 -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wnon-virtual-dtor -O3  -DNoRepository -ftemplate-depth-100  -IlnInclude -I. -I/home/benutzer/OpenFOAM/OpenFOAM-3.0.x/src/OpenFOAM/lnInclude -I/home/benutzer/OpenFOAM/OpenFOAM-3.0.x/src/OSspecific/POSIX/lnInclude   -fPIC -shared /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/src/Pstream/dummy/UPstream.o /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/src/Pstream/dummy/UIPread.o /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/src/Pstream/dummy/UOPwrite.o -L/home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/lib \
              -o /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/lib/dummy/libPstream.so
g++: error: /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/src/Pstream/dummy/UPstream.o: Datei oder Verzeichnis nicht gefunden
g++: error: /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/src/Pstream/dummy/UIPread.o: Datei oder Verzeichnis nicht gefunden
g++: error: /home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/src/Pstream/dummy/UOPwrite.o: Datei oder Verzeichnis nicht gefunden
g++: fatal error: no input files
compilation terminated.
make: *** [/home/benutzer/OpenFOAM/OpenFOAM-3.0.x/platforms/linux64Gcc++0xDPInt32Opt/lib/dummy/libPstream.so] Fehler 1
Trying to compile with Gcc 5.2 and old C++ standard now.

Next edit: I was able to compile with Gcc 5.2 and the old C++ standard, but C++11 didn't work.

Last edited by chriss85; November 5, 2015 at 05:41.
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Old   November 8, 2015, 07:07
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Quick question: May I ask why exactly do you want to build with C++11, when C++14 is the support that is provided into OpenFOAM?
I ask this because it might take a considerable amount time to diagnose the problem, therefore I would like to have a good reason to do so

PS: I moved your post from http://www.cfd-online.com/Forums/ope...m-3-0-0-a.html to a new dedicated thread, since the other one is about the news announcement itself.
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Old   November 9, 2015, 04:56
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I needed some newer C++ features for some other code I had integrated and I simply followed the tutorial provided here for C++11: http://www.sourceflux.de/blog/compil...upport-c11c0x/
With prior OpenFOAM versions this was working fine.

Right now I can also work with the old C++ standard, but I will try C++14 sometime I guess.
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Old   March 26, 2016, 13:57
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I created another thread to asking whether C++14 is really enabled in OF3.0.1. I think that I have answered my own question (and yours) in the last post: http://www.cfd-online.com/Forums/ope...tml#post591776
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