[llvm-bugs] [Bug 38985] New: lld-link does not work with VS integration if vcpkg is installed.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38985

            Bug ID: 38985
           Summary: lld-link does not work with VS integration if vcpkg is
                    installed.
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: COFF
          Assignee: zturner at google.com
          Reporter: zturner at google.com
                CC: llvm-bugs at lists.llvm.org

If you install vcpkg from here: https://github.com/Microsoft/vcpkg

And run `vcpkg integrate install` from a command prompt, then the LLVM VS
integration stops working with this error message:

C:\src\vcpkg\installed\x64...\lib\*.lib: invalid argument error.

The error seems to be coming from this file:

c:\src\vcpkg\scripts\buildsystems\msbuild\vcpkg.targets

<AdditionalDependencies Condition="'$(VcpkgNormalizedConfiguration)' == 'Debug'
and '$(VcpkgAutoLink)' !=
'false'">%(AdditionalDependencies);$(VcpkgRoot)debug\lib\*.lib</AdditionalDependencies>

If you set the MSBuild project output verbosity to diagnostic level and get the
lld-link.exe command line it's running and then paste that into a command
prompt, it appears to work, so this appears to be an MSBuild issue.  But
perhaps there's a workaround we can submit in lld, or alternatively maybe we
can fix MSBuild and/or vcpkg.

This was reported by user henrik@ on IRC.

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