Re: [R-SIG-Mac] Apple Clang does support OpenMP (if libomp is available)

2019-06-06 Thread Jon Clayden
Hi James, > > Lack of OpenMP support in Apple’s build of Clang is cited as one reason for > > not using it in CRAN builds > > From R 3.4.x forward, OpenMP has been enabled in CRAN builds as the toolchain > is using a custom compiler. I’m aware of that, but this makes building packages from

[R-SIG-Mac] Apple Clang does support OpenMP (if libomp is available)

2019-06-06 Thread Jon Clayden
Dear all, Lack of OpenMP support in Apple’s build of Clang is cited as one reason for not using it in CRAN builds, but this is only partly true: after installing libomp from Homebrew, I have been adding “-Wp,-fopenmp” to CXXFLAGS and CFLAGS (and “-lomp” to LIBS) to my builds for a while, and

[R-SIG-Mac] RcppArmadillo compilation failure (OS X 10.10)

2014-11-13 Thread Jon Clayden
Dear all, After recently updating to OS X 10.10, Yosemite, and recompiling R 3.1.2, I'm reinstalling various packages, but running into trouble with RcppArmadillo. I configured R with ./configure --with-blas=-framework Accelerate --with-lapack --enable-memory-profiling --with-system-zlib

Re: [R-SIG-Mac] Compiling against the Accelerate framework on OS X 10.9

2013-10-28 Thread Jon Clayden
the Fortran compiler especially supplied for R use is ancient and will not properly compile stuff that depends on a more modern Fortran compiler version (such as Julia). On 24 Oct 2013, at 13:33, Jon Clayden jon.clay...@gmail.com wrote: Dear all, After upgrading to Mavericks, I seem