Simon, I have just checked the private package I mentioned in my previous post. It is now made with clang4.
But the resulting .so (still) links to Apple's /usr/lib/libc++.1.dylib I'll continue checking tomorrow. And check some packages using C++ link to R's libc++. Berend > On 18 Apr 2017, at 19:35, Simon Urbanek <simon.urba...@r-project.org> wrote: > > Berend, > > >> On Apr 18, 2017, at 1:24 PM, Berend Hasselman <b...@xs4all.nl> wrote: >> >> >> Simon, >> >> Thanks for the info. >> I have downloaded R 3.4.0 RC r72531. >> And installed clang 4.0.0 as you advised. >> >> I already had Coudert's gfortran 6.1. >> >> My Fortran packages checked without any problems; to be expected. >> >> I am also in the possession of a private package (made by an ex colleague) >> that uses C++. >> I did notice that this particular package linked to /usr/lib/libc++.1.dylib >> and NOT the one the binary version of Rcpp links to >> (/usr/local/clang4/lib/libc++.1.dylib). >> >> However the "official" version of my package nleqslv which uses Fortran >> links to (a.o.) >> /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libgfortran.3.dylib >> as one would expect. >> >> I also got the impression that R CMD check/INSTALL still uses Apple's >> clang++ and not the clang4 version.. >> >> What do I need to do (e.g. in my Makevars) to get C++ stuff for R to use >> clang4 and its dylibs? > > > Either > export PATH=/usr/local/clang4/bin:$PATH > for general purpose of for R specifically in ~/.R/Makevars > CC=/usr/local/clang4/bin/clang > CXX=/usr/local/clang4/bin/clang++ > > The main difference is that clang 4.0.0 supports C++17 features and OpenMP -- > neither of which is supported by Apple clang. > > >> Or will this be "fixed" in the final release of R 3.4.0? > > > There was just one fix - the path in Rcpp (and other C++ packages) should not > have been /usr/local - it should point to libc++ in R - that has been fixed > and should be available in the next nightly build. The libc++ was mistakenly > not copied. > > >> And just wait for the official release and package for R3.4.0? >> > > No, please, keep checking the nightlies from > > http://r.research.att.com > > the release will be exactly the same, so we have to make sure we'll find all > the bugs *before* there release so please keep testing and reporting. > > Thanks, > Simon > > > > >> Berend >> >> >> >>> On 18 Apr 2017, at 16:06, Simon Urbanek <simon.urba...@r-project.org> wrote: >>> >>> Berend, >>> >>> R for El Capitan is using clang 4.0.0 - you may need to install it from >>> http://r.research.att.com/libs/clang-4.0.0-darwin15.6-Release.tar.gz >>> In most cases you may get away with Apple clang, but likely not for new C++ >>> features. >>> >>> We will provide an official package soon with the R release. >>> >>> Please keep testing and report issues - the changes for R 3.4.0 have been >>> more radical as we target more recent macOS for better performance and >>> features. >>> >>> Thanks, >>> Simon >>> >>> >>>> On Apr 7, 2017, at 5:11 AM, Berend Hasselman <b...@xs4all.nl> wrote: >>>> >>>> >>>> Hi, >>>> >>>> I have downloaded and installed R from R-3.4-r72492-branch-el-capitan.pkg. >>>> My OS: OS X El Capitan (10.11.6) >>>> >>>> My packages and all additional tests of these are working correctly. >>>> >>>> I can install Rcpp. >>>> Packages requiring Rcpp however don't seem to install or run. >>>> >>>> >>>> Running otool -L on >>>> /Library/Frameworks/R.framework/Versions/3.4/Resources/library/Rcpp/libs/Rcpp.so >>>> gives >>>> >>>> Rcpp.so: >>>> Rcpp.so (compatibility version 0.0.0, current version 0.0.0) >>>> /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libR.dylib >>>> (compatibility version 3.4.0, current version 3.4.0) >>>> >>>> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation >>>> (compatibility version 150.0.0, current version 1259.0.0) >>>> /usr/local/clang4/lib/libc++.1.dylib (compatibility version 1.0.0, >>>> current version 1.0.0) >>>> /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current >>>> version 1226.10.1) >>>> >>>> >>>> I don't have /usr/local/clang4/lib/libc++.1.dylib. >>>> I wouldn't know where to get it from. AFAIK The macOS Commandline Tools do >>>> not install stuff in /usr/local. >>>> If this isn't a mishap: where do we get the necessary libc++.1.dylib from? >>>> >>>> Berend Hasselman >>>> >>>> _______________________________________________ >>>> R-SIG-Mac mailing list >>>> R-SIG-Mac@r-project.org >>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
