<div dir="ltr">I can confirm that what Ben says is true for me using XCode 8.1<div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Dec 1, 2016 at 6:21 PM GHC <<a href="mailto:ghc-devs@haskell.org">ghc-devs@haskell.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">#11744: Latest Xcode update violates POSIX compliance of `nm -P`<br class="gmail_msg">
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        Reporter:  hvr           |                Owner:<br class="gmail_msg">
            Type:  bug           |               Status:  new<br class="gmail_msg">
        Priority:  highest       |            Milestone:<br class="gmail_msg">
       Component:  Build System  |              Version:<br class="gmail_msg">
      Resolution:                |             Keywords:<br class="gmail_msg">
Operating System:  MacOS X       |         Architecture:  x86_64 (amd64)<br class="gmail_msg">
 Type of failure:  None/Unknown  |            Test Case:<br class="gmail_msg">
      Blocked By:                |             Blocking:<br class="gmail_msg">
 Related Tickets:                |  Differential Rev(s):  phab:D2113<br class="gmail_msg">
       Wiki Page:                |<br class="gmail_msg">
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Comment (by bgamari):<br class="gmail_msg">
<br class="gmail_msg">
 It actually appears that the latest XCode release (8.1) fixes this. It<br class="gmail_msg">
 shouldn't be necessary to use `nm-classic` with,<br class="gmail_msg">
 {{{<br class="gmail_msg">
 $ nm --version<br class="gmail_msg">
 Apple LLVM version 8.0.0 (clang-800.0.38)<br class="gmail_msg">
   Optimized build.<br class="gmail_msg">
   Default target: x86_64-apple-darwin16.0.0<br class="gmail_msg">
   Host CPU: haswell<br class="gmail_msg">
 }}}<br class="gmail_msg">
<br class="gmail_msg">
--<br class="gmail_msg">
Ticket URL: <<a href="http://ghc.haskell.org/trac/ghc/ticket/11744#comment:20" rel="noreferrer" class="gmail_msg" target="_blank">http://ghc.haskell.org/trac/ghc/ticket/11744#comment:20</a>><br class="gmail_msg">
GHC <<a href="http://www.haskell.org/ghc/" rel="noreferrer" class="gmail_msg" target="_blank">http://www.haskell.org/ghc/</a>><br class="gmail_msg">
The Glasgow Haskell Compiler<br class="gmail_msg">
</blockquote></div>