On Jul 23, 2019, at 11:17 AM, Simon Urbanek <simon.urbanek at R-project.org> wrote:
Roy,
that shouldn't be necessary if you use the CRAN release since it specifically points to the SDK. If you are compiling your own R you may want to add
CPPFLAGS='-isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include'
which is what the CRAN build uses. FWIW you can always check the current flags at
https://svn.r-project.org/R-dev-web/trunk/QA/Simon/R-build/conf.el-capitan-x86_64
If the above doesn't address the issue you're seeing, please provide details.
Thanks,
Simon
On Jul 23, 2019, at 12:47 PM, Roy Mendelssohn - NOAA Federal via R-SIG-Mac <r-sig-mac at r-project.org> wrote:
If like me you updated to Xcode 10.3, in Apple's infinite wisdom the install again wipes out the header files. So if you did the update and install from source remember to re-install the headers:
open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
-Roy
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