[R-SIG-Mac] 'math.h' file not found

[Balamuta, James Joseph]

Roger,

Due to macOS Mojave shift where system headers are located, you'll need to run:

sudo installer -pkg \
/Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg \
-target /

This installs the headers back to the default location of previous macOS builds, e.g. /usr/local.

Sincerely,

JJB

P.S. Can't wait for you to come back and visit UIUC in Sp'19

On 12/18/18, 11:31 AM, "R-SIG-Mac on behalf of Roger Koenker" <r-sig-mac-bounces using r-project.org on behalf of rkoenker using illinois.edu> wrote:

    I have an annoying installation issue with a new mac mini:  for example I see:
    
    > In file included from /usr/local/clang6/include/c++/v1/cmath:305:
    > /usr/local/clang6/include/c++/v1/math.h:301:15: fatal error: 'math.h' file not found
    > #include_next <math.h>
    >               ^~~~~~~~
    > 1 error generated.
    
    even though:
    
    > yzzy: ls -l /usr/local/clang6/include/c++/v1/math.h
    > -rw-r--r--  1 root  wheel  48240 Mar  2  2018 /usr/local/clang6/include/c++/v1/math.h
    
    this is with clang tools installed from Simon’s page and after trying various sorts of 
    voodoo from googling like 
    
    >xyzzy:  xcode-select --install
    xcode-select: error: command line tools are already installed, use "Software Update" to install updates
    
    
    R version 3.5.1 (2018-07-02) -- "Feather Spray"
    Copyright (C) 2018 The R Foundation for Statistical Computing
    Platform: x86_64-apple-darwin15.6.0 (64-bit)
    
    Any hints appreciated, and apologies if this should have been in R-devel
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