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Backport #9866

closed

Backport r45378

Added by knu (Akinori MUSHA) almost 10 years ago. Updated almost 10 years ago.

Status:
Closed
Assignee:
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[ruby-core:62786]

Description

Please backport r45378 (#9658).

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 #1 [ruby-core:63067]

Updated by nagachika (Tomoyuki Chikanaga) almost 10 years ago

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

Applied in changeset r46402.

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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