[llvm] [mlir] Fix CMake dependencies on mlir-linalg-ods-yaml-gen (PR #111973)

[Timm Baeder via llvm-commits]

tbaederr wrote:

This commit causes these errors when I configure:

```console
-- Clang version: 20.0.0git
CMake Error at cmake/modules/AddLLVM.cmake:2635 (add_custom_target):
  add_custom_target called with invalid target name
  "/home/tbaeder/code/llvm-project/build/NATIVE/bin/clang".  Target names may
  not contain a slash.  Use ADD_CUSTOM_COMMAND to generate files.
Call Stack (most recent call first):
  /home/tbaeder/code/llvm-project/clang/tools/driver/CMakeLists.txt:41 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2637 (set_target_properties):
  set_target_properties Can not find target to add properties to:
  /home/tbaeder/code/llvm-project/build/NATIVE/bin/clang
Call Stack (most recent call first):
  /home/tbaeder/code/llvm-project/clang/tools/driver/CMakeLists.txt:41 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2635 (add_custom_target):
  add_custom_target called with invalid target name
  "/home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-as".  Target names
  may not contain a slash.  Use ADD_CUSTOM_COMMAND to generate files.
Call Stack (most recent call first):
  tools/llvm-as/CMakeLists.txt:15 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2637 (set_target_properties):
  set_target_properties Can not find target to add properties to:
  /home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-as
Call Stack (most recent call first):
  tools/llvm-as/CMakeLists.txt:15 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2635 (add_custom_target):
  add_custom_target called with invalid target name
  "/home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-link".  Target names
  may not contain a slash.  Use ADD_CUSTOM_COMMAND to generate files.
Call Stack (most recent call first):
  tools/llvm-link/CMakeLists.txt:21 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2637 (set_target_properties):
  set_target_properties Can not find target to add properties to:
  /home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-link
Call Stack (most recent call first):
  tools/llvm-link/CMakeLists.txt:21 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2635 (add_custom_target):
  add_custom_target called with invalid target name
  "/home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-nm".  Target names
  may not contain a slash.  Use ADD_CUSTOM_COMMAND to generate files.
Call Stack (most recent call first):
  tools/llvm-nm/CMakeLists.txt:29 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2637 (set_target_properties):
  set_target_properties Can not find target to add properties to:
  /home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-nm
Call Stack (most recent call first):
  tools/llvm-nm/CMakeLists.txt:29 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2635 (add_custom_target):
  add_custom_target called with invalid target name
  "/home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-readobj".  Target
  names may not contain a slash.  Use ADD_CUSTOM_COMMAND to generate files.
Call Stack (most recent call first):
  tools/llvm-readobj/CMakeLists.txt:33 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2637 (set_target_properties):
  set_target_properties Can not find target to add properties to:
  /home/tbaeder/code/llvm-project/build/NATIVE/bin/llvm-readobj
Call Stack (most recent call first):
  tools/llvm-readobj/CMakeLists.txt:33 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2635 (add_custom_target):
  add_custom_target called with invalid target name
  "/home/tbaeder/code/llvm-project/build/NATIVE/bin/opt".  Target names may
  not contain a slash.  Use ADD_CUSTOM_COMMAND to generate files.
Call Stack (most recent call first):
  tools/opt/CMakeLists.txt:53 (setup_host_tool)


CMake Error at cmake/modules/AddLLVM.cmake:2637 (set_target_properties):
  set_target_properties Can not find target to add properties to:
  /home/tbaeder/code/llvm-project/build/NATIVE/bin/opt
Call Stack (most recent call first):
  tools/opt/CMakeLists.txt:53 (setup_host_tool)


-- Configuring incomplete, errors occurred!
```
Reverting the patch makes things work again.

https://github.com/llvm/llvm-project/pull/111973