<div dir="ltr">Maybe my Mac OS needs updating...possibly something with XCode, but it's not clear how...<div><br></div><div>--- mac OS Sierra 10.12.6<br></div><div>--- CRAN R 3.4.3</div><div>---clang & gfortran<br><br>




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<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">$ clang --version</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">Apple LLVM version 9.0.0 (clang-900.0.39.2)</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">Target: x86_64-apple-darwin16.7.0</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">Thread model: posix</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">InstalledDir: /Library/Developer/<wbr>CommandLineTools/usr/bin</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures"><br></span></p><p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">$ gfortran --version</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">GNU Fortran (GCC) 7.1.0</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">Copyright (C) 2017 Free Software Foundation, Inc.</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">This is free software; see the source for copying conditions.<span class="m_3593566761563743163gmail-Apple-converted-space">  </span>There is NO</span></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures">warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span></p>
<p class="m_3593566761563743163gmail-p2" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255);min-height:13px"><span class="m_3593566761563743163gmail-s1" style="font-variant-ligatures:no-common-ligatures"></span><br></p>
<p class="m_3593566761563743163gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);background-color:rgb(255,255,255)"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span>I will update once I have access to and try this on several other mac boxes with different specs..<br></span></span><br></p></div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Thank you to everyone for the help. </span><div><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 1, 2018 at 1:44 AM, Ralf Stubner <span dir="ltr"><<a href="mailto:ralf.stubner@r-institute.com" target="_blank">ralf.stubner@r-institute.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><span><br><div>Am 30.04.2018 um 23:42 schrieb Evan Biederstedt <<a href="mailto:evan.biederstedt@gmail.com" target="_blank">evan.biederstedt@gmail.com</a>>:<br><br></div></span><blockquote type="cite"><div><div dir="ltr">@Ralf<br><br><span>> <span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">I had not installed the necessary C library, so unsurprisingly the compilation step already failed. What I find interesting is that in my case "-std=gnu++11“ and "-I../inst/include/" are present in the command line options for clang++. These are also missing from what you quoted and are also a consequence of src/Makevars. It almost looks as if this file got lost on your macOS box …<br><br>Interesting....I'm not sure what to make of this of course, but it would be interesting if it was only happening on this macbook. Perhaps OS version or brew could be to blame? I'm not sure what else would be "special" about this macbook....</span></span></div></div></blockquote><div><br></div><div>On my side that would be</div><div>• macOS high Sierra</div><div>• CRAN R 3.4.4</div><div>• clang and gfortran as recommended by CRAN</div><div>• brew is installed but I do not see how it enters the picture </div><div><br></div><div>Greetings </div><span class="m_3593566761563743163HOEnZb"><font color="#888888"><div>Ralf </div></font></span></div></blockquote></div><br></div></div>