[llvm-bugs] [Bug 33495] New: llvm-config --system-libs is broken because "testingsupport" component lib is not installed

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33495

            Bug ID: 33495
           Summary: llvm-config --system-libs is broken because
                    "testingsupport" component lib is not installed
           Product: tools
           Version: trunk
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: llvm-config
          Assignee: unassignedbugs at nondot.org
          Reporter: jbc.engelen at gmail.com
                CC: llvm-bugs at lists.llvm.org

This bug was introduced recently and makes it impossible to build LLVM and use
it in our project (LDC) (without copying files from the buildtree to the
installtree manually).

I build LLVM with:
cmake -G Ninja -DCMAKE_INSTALL_PREFIX="/Users/johan/llvm/trunk/installrelease" 
-DLLVM_TARGETS_TO_BUILD="AArch64;AMDGPU;ARM;NVPTX;X86"
-DCMAKE_BUILD_TYPE=Release -DLLVM_APPEND_VC_REV=ON -DLLVM_INSTALL_UTILS=ON ..
(in a build folder inside the source tree)

"llvm-config --components" reports "testingsupport", but
libLLVMTestingSupport.a is not installed.
And then with --system-libs I get the error:

> ./llvm-config --system-libs
llvm-config: error: component libraries and shared library

llvm-config: error: missing:
/Users/johan/llvm/install/lib/libLLVMTestingSupport.a

Copying libLLVMTestingSupport.a from the build tree to the install lib folder
"fixes" the problem.

I think the root problem is that somehow "testingsupport" has leaked into
"llvm-config --components" recently. (it's not there in llvm40)

Thanks a lot for fixing this (or telling me what I do wrong).

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