supersat opened a new issue, #15436:
URL: https://github.com/apache/tvm/issues/15436
I am attempting to rebuild TVM from scratch with LLVM 16, which was also
built from scratch. This used to work, but now I'm getting a cmake error, as
shown below. I believe this might be related to #15164.
### Expected behavior
TVM successfully compiles
### Actual behavior
I get the following error:
```CMake Error at cmake/utils/FindLLVM.cmake:156 (find_package):
By not providing "Findzstd.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "zstd", but
CMake did not find one.
Could not find a package configuration file provided by "zstd" with any of
the following names:
zstdConfig.cmake
zstd-config.cmake
Add the installation prefix of "zstd" to CMAKE_PREFIX_PATH or set
"zstd_DIR" to a directory containing one of the above files. If "zstd"
provides a separate development package or SDK, be sure it has been
installed.
Call Stack (most recent call first):
cmake/modules/LLVM.cmake:31 (find_llvm)
CMakeLists.txt:507 (include)
```
### Environment
Ubuntu 20.04 LTS
TVM commit: 5b431f5dd00b4a63ef8155ef2c690371caa88227
LLVM commit: 08d094a0e457360ad8b94b017d2dc277e697ca76 (tag: llvmorg-16.0.0)
### Steps to reproduce
LLVM build command:
`CXX=/opt/llvm-github/llvm-project/llvmorg-15.0.3-install/bin/clang++
CC=/opt/llvm-github/llvm-project/llvmorg-15.0.3-install/bin/clang cmake -S llvm
-B build -G Ninja
-DLLVM_ENABLE_PROJECTS="clang;compiler-rt;libc;clang-tools-extra"
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind"
-DCMAKE_BUILD_TYPE=RelWithDebInfo -DLLVM_PARALLEL_LINK_JOBS=2
-DCMAKE_INSTALL_PREFIX=/opt/llvm-github/llvm-project/llvmorg-16.0.0`
`cmake --build build`
TVM configure command (in tvm/build):
`cmake .. -DUSE_RPC=ON -DUSE_GRAPH_EXECUTOR=ON -DUSE_LIBBACKTRACE=AUTO
-DUSE_LLVM=/opt/llvm-github/llvm-project/llvmorg-16.0.0/bin/llvm-config`
### Triage
* needs-triage
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