From: "kosaki (Motohiro KOSAKI)" <kosaki.motohiro@...>
Date: 2012-12-12T11:05:41+09:00
Subject: [ruby-core:50804] [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).


Hi

Does following patch fix your issue?


diff --git a/configure.in b/configure.in
index c916cd5..4a34334 100644
--- a/configure.in
+++ b/configure.in
@@ -1534,7 +1534,7 @@ AS_CASE(["$target_os"],
 [])
 
 
-AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86-linux*]], [
+AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86-*]], [
         AC_CACHE_CHECK([for __sync_val_compare_and_swap], [rb_cv_gcc_co
                         AC_TRY_LINK([unsigned long atomic_var;],
                                     [

----------------------------------------
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-34646

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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