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bug#36172: 27.0.50; linking error in git head on macos: _aligned_alloc


From: Paul Eggert
Subject: bug#36172: 27.0.50; linking error in git head on macos: _aligned_alloc
Date: Tue, 11 Jun 2019 14:17:47 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 6/11/19 1:14 PM, Sam Steingold wrote:
$ gcc e.c
e.c:6:13: warning: 'aligned_alloc' is only available on macOS 10.15 or newer
       [-Wunguarded-availability-new]
   char *p = aligned_alloc (8, 1);
             ^~~~~~~~~~~~~

So your include files declare alloc_aligned and it links, but it doesn't run? Sounds like your development environment is messed up.

You might try running the shell command 'xcode-select --install'; this solved a similar problem when building Ruby, as described in <https://github.com/rbenv/ruby-build/issues/1133>.

Or you might try configuring with flags that say "build for the macOS I'm currently running, not for some future version of macOS". Perhaps something like "-mmacosx-version-min=10.14"? I don't use macOS so I'm afraid you may have to do some research here. <https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15518> may help you get started.






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