Would it be possible to fix this for the builds of the upcoming release? Thanks, Gabor On Wed, Oct 10, 2018 at 11:12 PM Gábor Csárdi <csardi.ga...@gmail.com> wrote: > > https://cran.r-project.org/bin/macosx/tools/ suggests installing a > special clang6 build. OTOH, the R binary links to a library that comes > with CRAN's clang4 build: > > ❯ otool -L /Library/Frameworks/R.framework/Resources/bin/exec/R > /Library/Frameworks/R.framework/Resources/bin/exec/R: > /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libR.dylib > (compatibility version 3.5.0, current version 3.5.1) > /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRblas.dylib > (compatibility version 0.0.0, current version 0.0.0) > /usr/local/clang4/lib/libomp.dylib (compatibility version 5.0.0, > current version 5.0.0) > /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current > version 1226.10.1) > > Notice '/usr/local/clang4/lib/libomp.dylib' above. R seems to run > happily without this file, though, until you start it with lldb: > > ❯ R -d lldb > (lldb) target create "/Library/Frameworks/R.framework/Resources/bin/exec/R" > Current executable set to > '/Library/Frameworks/R.framework/Resources/bin/exec/R' (x86_64). > (lldb) run > Process 74239 launched: > '/Library/Frameworks/R.framework/Resources/bin/exec/R' (x86_64) > dyld: Library not loaded: /usr/local/clang4/lib/libomp.dylib > Referenced from: /Library/Frameworks/R.framework/Resources/bin/exec/R > Reason: image not found > Process 74239 stopped > * thread #1, stop reason = signal SIGABRT > frame #0: 0x000000010002c9ee dyld`__abort_with_payload + 10 > dyld`__abort_with_payload: > -> 0x10002c9ee <+10>: jae 0x10002c9f8 ; <+20> > 0x10002c9f0 <+12>: movq %rax, %rdi > 0x10002c9f3 <+15>: jmp 0x10002c300 ; cerror_nocancel > 0x10002c9f8 <+20>: retq > > After clang4 is installed from http://r.research.att.com/libs/ > everything is fine. > > Is linking to this library intentional? If yes, then maybe the web > could be updated to suggest installing clang6 and clang4? > > Thanks, > Gabor
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