clang libc++ issues with exceptions and RSA

[David Irvine]

I have installed libc++ in linux and  noted that I had to pass the definition -DCRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION or it segfaults. This is fair enough, but in RSA tests including cryptest.exe v it seems to hang, I have not seen it pass this yet.

I wonder if anyone else has this setup or has an idea what the issue would be.  

~/Devel/cryptopp/trunk/c5 $ clang --version

clang version 3.2 (trunk 155751)

Target: x86_64-unknown-linux-gnu

Thread model: posix

CXXFLAGS += -DCRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION  -DCRYPTOPP_DISABLE_ASM -stdlib=libc++ -std=c++11 -Wno-tautological-compare -DCRYPTOPP_DISABLE_SSE2 -DCRYPTOPP_DISABLE_SSSE3

(if using clang++ for c++11 development you need libraries to be recompiled against libc++ and this is the reason for the std=c++11 and stdlib statements)

Thanks 

David

[David Irvine]

Update ! 

This is also the case in OSX with Lion installed clang / libc++ and also with the svn HEAD of each llvm/clang/libc++. Seems there is some issue with libc++.

[Fraser Hutchison]

Hi David,

I've filed a bug and solution at https://sourceforge.net/apps/trac/cryptopp/ticket/17 which relates to cryptest hanging when using Clang 3.2.

Cheers,

Fraser.

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