From: "kosaki (Motohiro KOSAKI)" <kosaki.motohiro@...> Date: 2012-12-15T06:36:59+09:00 Subject: [ruby-core:50904] [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 kosaki (Motohiro KOSAKI). > Please check my ChangeLog message for accuracy. Looks correct. thank you! ---------------------------------------- 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-34752 Author: drbrain (Eric Hodel) Status: Closed Priority: Normal Assignee: drbrain (Eric Hodel) 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. -- http://bugs.ruby-lang.org/