[Webkit-unassigned] [Bug 17817] New: REGRESSION (r30981): Release build broken under VC++ Express due to PGO

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=17817

           Summary: REGRESSION (r30981): Release build broken under VC++
                    Express due to PGO
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com


r30981 turned on Profile-Guided Optimization (PGO) in the Windows Release
configuration by default. VC++ Express doesn't support PGO, so the Release
build is broken by default for all VC++ Express users.

There is a workaround, which is to turn off PGO using the following command:

sed -i -e 's/LinkTimeCodeGeneration="4"/LinkTimeCodeGeneration="1"/'
~/WebKit/WebKit/win/WebKit.vcproj/WebKit.vcproj

We need to make the build work by default again!


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