From: nagachika00@...
Date: 2014-06-10T17:35:27+00:00
Subject: [ruby-core:63067] [Backport21 - Backport #9866] [Closed] Backport	r45378

Issue #9866 has been updated by Tomoyuki Chikanaga.

Status changed from Open to Closed
% Done changed from 0 to 100

Applied in changeset r46402.

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merge revision(s) r45378: [Backport #9658] [Backport #9866]

	* configure.in: Fix a build problem with clang and --with-opt-dir.
	  If ruby is configured with --with-opt-dir=dir when using clang
	  as compiler, a warning `clang: warning: argument unused during
	  compilation: '-I dir'` is emitted almost every time clang
	  compiles a file.  Unfortunately, RUBY_CHECK_PRINTF_PREFIX takes
	  any output from the compiler as fatal error, and the check thus
	  fails due to the warning.  This is an attempt to fix the problem
	  by adding a flag -Qunused-arguments to CFLAGS locally in the
	  function to suppress the warning. [ruby-dev:48062] [Bug #9658]
	  [Fixes GH-571] https://github.com/ruby/ruby/pull/571

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Backport #9866: Backport r45378
https://bugs.ruby-lang.org/issues/9866#change-47145

* Author: Akinori MUSHA
* Status: Closed
* Priority: Normal
* Assignee: 
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Please backport r45378 (#9658).



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