Issue #14234 has been updated by ewaters (Evan Waters).


Do we know when the next version of ruby is likely to be released, and if it will include this patch? I'm trying to build ruby 2.5.0 for CentOS 6 and running into this same issue.

----------------------------------------
Bug #14234: Failed to build on CentOS 6.9
https://bugs.ruby-lang.org/issues/14234#change-69136

* Author: miyohide (Hidenori Miyoshi)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.5.0
* Backport: 2.3: DONTNEED, 2.4: DONTNEED, 2.5: DONE
----------------------------------------
CentOS 6.9(gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)) にてrbenv - ruby-buildを使ってRuby 2.5.0のビルドを試みると失敗します。

~~~ text
[~]$ rbenv install 2.5.0
Downloading ruby-2.5.0.tar.bz2...
-> https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.0.tar.bz2
Installing ruby-2.5.0...

BUILD FAILED (CentOS release 6.9 (Final) using ruby-build 20171215-6-g3bd8c9a)

Inspect or clean up the working tree at /tmp/ruby-build.20171226075813.10682
Results logged to /tmp/ruby-build.20171226075813.10682.log

Last 10 log lines:
vm_eval.c: In function ‘eval_string_with_cref’:
vm_eval.c:1352: 警告: ‘_ec’ may be used uninitialized in this function
vm_eval.c: In function ‘rb_eval_cmd’:
vm_eval.c:1518: 警告: ‘safe’ may be used uninitialized in this function
vm_eval.c:1525: 警告: ‘_ec’ may be used uninitialized in this function
トップレベル:
cc1: 警告: unrecognized command line option "-Wno-self-assign"
cc1: 警告: unrecognized command line option "-Wno-constant-logical-operand"
cc1: 警告: unrecognized command line option "-Wno-parentheses-equality"
cc1: 警告: unrecognized command line option "-Wno-tautological-compare"
[~]$
~~~
出力されたログファイル(/tmp/ruby-build.20171226075813.10682)からエラー出力箇所の抜粋したものが以下のものです。ログ全体は、添付ファイルにて。

~~~ text
prelude.c: In function ‘prelude_eval’:
prelude.c:204: error: #pragma GCC diagnostic not allowed inside functions
prelude.c:205: error: #pragma GCC diagnostic not allowed inside functions
prelude.c:221: error: #pragma GCC diagnostic not allowed inside functions
トップレベル:
cc1: 警告: unrecognized command line option "-Wno-self-assign"
cc1: 警告: unrecognized command line option "-Wno-constant-logical-operand"
cc1: 警告: unrecognized command line option "-Wno-parentheses-equality"
cc1: 警告: unrecognized command line option "-Wno-tautological-compare"
make: *** [prelude.o] エラー 1
make: *** 未完了のジョブを待っています....
~~~


---Files--------------------------------
ruby2.5_build_error.txt (36.6 KB)


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