[cairo-bugs] [Bug 51633] New: Fix on 1.12 for unsupported -Wno option detection

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=51633

             Bug #: 51633
           Summary: Fix on 1.12 for unsupported -Wno option detection
    Classification: Unclassified
           Product: cairo
           Version: 1.12.2
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: cworth at cworth.org
        ReportedBy: g.esp at free.fr
         QAContact: cairo-bugs at cairographics.org


Created attachment 63681
  --> https://bugs.freedesktop.org/attachment.cgi?id=63681
git patch

As gcc-4.4 and later accept every -Wno option, test for the option without no
to check if the option is supported.

For unsupported option, gcc warn 'unrecognized command line option' only when
another warning occure.

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