From: "drbrain (Eric Hodel)" <drbrain@...7.net>
Date: 2012-12-14T09:57:49+09:00
Subject: [ruby-core:50884] [ruby-trunk - Bug #7485] ruby cannot build on mingw32 or FreeBSD 8 due to missing __sync_val_compare_and_swap


Issue #7485 has been updated by drbrain (Eric Hodel).


This patch works, thanks!
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Bug #7485: ruby cannot build on mingw32 or FreeBSD 8 due to missing __sync_val_compare_and_swap
https://bugs.ruby-lang.org/issues/7485#change-34727

Author: drbrain (Eric Hodel)
Status: Open
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: build
Target version: 2.0.0
ruby -v: trunk


mingw32 GCC has the other atomic builtins but not this one.  The attached patch checks for the GCC builtins used in ruby_atomic.h but not checked for by configure.


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