Could you please post the details working with SSE2NEON.h? Thanks.
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niuylscu •
Compiling BWA on POWER7
Lately I've tried compiling the latest version of bwa on github in CentOS 7.2 on ppc64 but I get stuck on an x86_64 dependency (emmintrin.h). I found that this header file is specific to SSE2 instructions on x86 machines.
Roughly 2 years ago I was able to compile bwa on my PowerMac G5 so I'm not sure what changed since then that made bwa require x86_64.
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william.wang •
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idedios •
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idedios •
3 answers
It doesn't compile for AArch64 either, but can be made to run by replacing 'emmintrin.h' with another header file 'SSE2NEON.h' (https://github.com/jratcliff63367/sse2neon/blob/master/SSE2NEON.h).
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william.wang •
Perhaps you can try to disable SSE2, but it might not be enough. In the thread linked above I wrote that it solved building on non-AMD64 platforms, but the problem came back some time between version 0.6.2 and 0.7.5a.
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Charles Plessy
I think that you can pass this option directly to GCC in the command line. You can also do this by adding the option to the line defining DFLAGS in the Makefile.
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Charles Plessy
UPDATE:
I found a workaround with from a pull request waiting to get merged. https://github.com/lh3/bwa/pull/71#issuecomment-232170671
The issue appears to be related to the klib dependency for their Smith-Waterman algorithm implementation.
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This is probably something worth asking on the bwa mailing list, possibly combined w/ tagging this report with 'bwa'
Tagging lh3
Ah yes, didn't realize this pings someone :)