Bug#1024183: llvm-toolchain-13: autopkgtest regression: /usr/lib/llvm-13/bin/mlir-tblgen doesn't exist

[Paul Gevers]

Source: llvm-toolchain-13
Version: 1:13.0.1-9
Severity: serious
User: debian-ci at lists.debian.org
Usertags: regression

Dear maintainer(s),

With a recent upload of llvm-toolchain-13 the autopkgtest of 
llvm-toolchain-13 fails in testing when that autopkgtest is run with the 
binary packages of llvm-toolchain-13 from unstable. It passes when run 
with only packages from testing. In tabular form:

                        pass            fail
llvm-toolchain-13      from testing    1:13.0.1-9
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration to testing [1]. Can 
you please investigate the situation and fix it?

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=llvm-toolchain-13

https://ci.debian.net/data/autopkgtest/testing/amd64/l/llvm-toolchain-13/28320845/log.gz

-- The C compiler identification is GNU 12.2.0
-- The CXX compiler identification is GNU 12.2.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Could NOT find ZLIB (missing: ZLIB_LIBRARY ZLIB_INCLUDE_DIR) -- Found 
LibXml2: /usr/lib/x86_64-linux-gnu/libxml2.so (found version "2.9.14") 
CMake Error at /usr/lib/llvm-13/lib/cmake/llvm/LLVMExports.cmake:1535 
(message):
   The imported target "mlir-tblgen" references the file

      "/usr/lib/llvm-13/bin/mlir-tblgen"

   but this file does not exist.  Possible reasons include:

   * The file was deleted, renamed, or moved to another location.

   * An install or uninstall procedure did not complete successfully.

   * The installation package was faulty and contained

      "/usr/lib/llvm-13/lib/cmake/llvm/LLVMExports.cmake"

   but not all the files it references.

Call Stack (most recent call first):
   /usr/lib/llvm-13/cmake/LLVMConfig.cmake:300 (include)
   CMakeLists.txt:3 (find_package)


-- Configuring incomplete, errors occurred!
See also 
"/tmp/autopkgtest-lxc.pmp7rkht/downtmp/autopkgtest_tmp/build/CMakeFiles/CMakeOutput.log".
autopkgtest [09:20:41]: test cmake-test

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