[mlir][Python] Bump MLIR Python minimum version to 3.10

[makslevental]

This PR bumps the minimum Python version required for MLIR to be Python 3.10. See https://discourse.llvm.org/t/rfc-adopt-regularly-scheduled-python-minimum-version-bumps/88841 for a discussion about the expected bump schedule going forward.

[makslevental]

All builder bot runs (you can check that fails are unrelated to Python/MLIR/etc):

llvm-clang-win-x-aarch64-release ❌
clang-m68k-linux-cross ❌
aosp-O3-polly-before-vectorizer-unprofitable ❌
clang-hexagon-elf ❌
publish-lnt-sphinx-docs ❌
flang-aarch64-libcxx ❌
bolt-x86_64-ubuntu-nfc ❌
clang-ppc64le-linux-test-suite ❌
reverse-iteration ❌
libunwind-sphinx-docs ❌
ppc64le-lld-multistage-test ❌
bolt-aarch64-ubuntu-nfc ❌
llvm-clang-x86_64-win-fast ✅
arc-builder ✅
clang-aarch64-sve-vls-2stage ✅
clang-x86_64-linux-abi-test ✅
openmp-offload-amdgpu-runtime-2 ✅
fuchsia-x86_64-linux ✅
clang-solaris11-sparcv9 ✅
clang-cuda-p4 ✅
clang-aarch64-sve-vla ✅
lldb-arm-ubuntu ✅
flang-aarch64-debug-reverse-iteration ✅
llvm-clang-x86_64-darwin ✅
sanitizer-aarch64-linux-bootstrap-asan ✅
sanitizer-x86_64-linux-bootstrap-ubsan ✅
polly-x86_64-linux-noassert ✅
flang-aarch64-rel-assert ✅
sanitizer-x86_64-linux-fuzzer ✅
lld-x86_64-ubuntu-fast ✅
llvm-clang-win-x-armv7l-release ✅
__Janitor ✅
llvm-clang-win-x-armv7l ✅
clang-armv7-global-isel ✅
clang-aarch64-sve-vla-2stage ✅
libc-x86_64-debian ✅
publish-sphinx-docs ✅
llvm-clang-x86_64-sie-win ✅
llvm-clang-x86_64-win-release ✅
flang-aarch64-dylib ✅
sanitizer-aarch64-linux ✅
sanitizer-x86_64-linux-bootstrap-asan ✅
flang-aarch64-out-of-tree ✅
llvm-nvptx-nvidia-win ✅
sanitizer-aarch64-linux-bootstrap-hwasan ✅
llvm-clang-aarch64-darwin-release ✅
lldb-aarch64-ubuntu ✅
lld-x86_64-ubuntu-release ✅
clang-aarch64-quick ✅
sanitizer-x86_64-linux ✅
clang-cuda-t4 ✅
libc-aarch64-ubuntu-fullbuild-dbg ✅
sanitizer-ppc64le-linux ✅
llvm-clang-x86_64-sie-win-release ✅
polly-x86_64-linux-shlib-plugin ✅
flang-aarch64-sharedlibs ✅
sanitizer-aarch64-linux-bootstrap-ubsan ✅
clang-riscv-rva20-2stage ✅
polly-arm-linux ✅
libc-x86_64-debian-dbg ✅
sanitizer-aarch64-linux-bootstrap-msan ✅
polly-x86_64-linux-shared ✅
polly-x86_64-linux-shlib ✅
llvm-clang-x86_64-expensive-checks-ubuntu-release ✅
clang-cuda-l4 ✅
llvm-clang-x86_64-gcc-ubuntu-release ✅
libc-aarch64-ubuntu-dbg ✅
polly-x86_64-linux ✅
lld-sphinx-docs ✅
sanitizer-windows ✅
clang-debian-cpp20 ✅
publish-doxygen-docs ✅
bolt-x86_64-ubuntu-clang ✅
clang-with-thin-lto-ubuntu-release ✅
mlir-nvidia-gcc7 ✅
polly-x86_64-linux-shared-plugin ✅
bolt-x86_64-ubuntu-dylib ✅
clang-hip-vega20 ✅
clang-aarch64-global-isel ✅
clang-with-thin-lto-ubuntu ✅
bolt-aarch64-ubuntu-clang ✅
ppc64le-mlir-rhel-clang ✅
flang-aarch64-latest-gcc ✅
libc-x86_64-debian-gcc-fullbuild-dbg ✅
clang-riscv-rva23-evl-vec-2stage ✅
clangd-ubuntu-tsan ✅
clang-armv7-vfpv3-2stage ✅
ml-opt-dev-x86-64 ✅
mlir-nvidia ✅
sanitizer-x86_64-linux-qemu ✅
openmp-offload-sles-build-only ✅
lldb-aarch64-windows ✅
clang-aarch64-sve-vls ✅
llvm-clang-x86_64-sie-ubuntu-fast ✅
clang-ppc64le-rhel ✅
libc-x86_64-debian-dbg-asan ✅
polly-sphinx-docs ✅
bolt-x86_64-ubuntu-shared ✅
clang-armv8-quick ✅
llvm-nvptx64-nvidia-win ✅
ppc64le-flang-rhel-clang ✅
polly-x86_64-linux-plugin ✅
sanitizer-aarch64-linux-fuzzer ✅
clang-arm64-windows-msvc ✅
lldb-x86_64-debian ✅
cross-project-tests-sie-ubuntu-dwarf5 ✅
sanitizer-x86_64-linux-bootstrap-msan ✅
sanitizer-x86_64-linux-fast ✅
libc-x86_64-debian-fullbuild-dbg-asan ✅
flang-aarch64-release ✅
llvm-clang-x86_64-gcc-ubuntu ✅
ml-opt-devrel-x86-64 ✅
mlir-rocm-mi200 ✅
publish-runtimes-sphinx-docs ✅
libc-x86_64-debian-fullbuild-dbg ✅
cross-project-tests-sie-ubuntu ✅
ml-opt-rel-x86-64 ✅
sanitizer-x86_64-linux-android ✅
llvm-clang-x86_64-expensive-checks-ubuntu ✅
llvm-clang-aarch64-darwin ✅
llvm-clang-win-x-aarch64 ✅
libc-riscv32-qemu-yocto-fullbuild-dbg ✅
lldb-remote-linux-win ✅
clang-aarch64-sve2-vla ✅
clang-aarch64-sve2-vla-2stage ✅
libc-x86_64-debian-dbg-bootstrap-build ✅
llvm-clang-x86_64-gcc-ubuntu-no-asserts ✅
amdgpu-offload-ubuntu-22-cmake-build-only ✅
amdgpu-offload-rhel-8-cmake-build-only ✅
amdgpu-offload-rhel-9-cmake-build-only ✅
hip-third-party-libs-test ✅
flang-arm64-windows-msvc ✅
clang-riscv-gauntlet ✅
lldb-x86_64-win ✅
clang-riscv-rva23-zvl512b-2stage ✅
clang-riscv-rva23-zvl1024b-2stage ✅
clang-riscv-x60-mrvv-vec-bits-2stage ✅
libc-arm32-qemu-debian-dbg ✅
bolt-aarch64-ubuntu-dylib ✅
bolt-aarch64-ubuntu-shared ✅
flang-arm64-windows-msvc-testsuite ✅
llvm-clang-x86_64-expensive-checks-win ⏱
clang-with-lto-ubuntu ⏱
clang-ppc64-aix ⏱
clang-armv7-2stage ⏱
https://lab.llvm.org/buildbot/#/buildrequests/6672018?redirect_to_build=true ⏱
https://lab.llvm.org/buildbot/#/buildrequests/6672053?redirect_to_build=true ⏱
https://lab.llvm.org/buildbot/#/buildrequests/6672055?redirect_to_build=true ⏱
https://lab.llvm.org/buildbot/#/buildrequests/6672114?redirect_to_build=true ⏱

[llvmbot]

@llvm/pr-subscribers-mlir

Author: Maksim Levental (makslevental)

Changes

This PR bumps the minimum Python version required for MLIR to be Python 3.10.

---

Full diff: https://github.com/llvm/llvm-project/pull/163499.diff

1 Files Affected:

• (modified) mlir/cmake/modules/MLIRDetectPythonEnv.cmake (+4-3)

diff --git a/mlir/cmake/modules/MLIRDetectPythonEnv.cmake b/mlir/cmake/modules/MLIRDetectPythonEnv.cmake
index fb0fbf3457ade..098d12aedeb91 100644
--- a/mlir/cmake/modules/MLIRDetectPythonEnv.cmake
+++ b/mlir/cmake/modules/MLIRDetectPythonEnv.cmake
@@ -1,5 +1,6 @@
 # Macros and functions related to detecting details of the Python environment.
 
+set(MLIR_MINIMUM_PYTHON_VERSION 3.10)
 # Finds and configures python packages needed to build MLIR Python bindings.
 macro(mlir_configure_python_dev_packages)
   if(NOT MLIR_DISABLE_CONFIGURE_PYTHON_DEV_PACKAGES)
@@ -8,7 +9,7 @@ macro(mlir_configure_python_dev_packages)
       # package. This seems to work around cmake bugs searching only for
       # Development.Module in some environments. However, in other environments
       # it may interfere with the subsequent search for Development.Module.
-      find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION}
+      find_package(Python3 ${MLIR_MINIMUM_PYTHON_VERSION}
         COMPONENTS Interpreter Development)
     endif()
 
@@ -19,7 +20,7 @@ macro(mlir_configure_python_dev_packages)
     # See https://pybind11.readthedocs.io/en/stable/compiling.html#findpython-mode
     set(_python_development_component Development.Module)
 
-    find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION}
+    find_package(Python3 ${MLIR_MINIMUM_PYTHON_VERSION}
       COMPONENTS Interpreter ${_python_development_component} REQUIRED)
 
     # We look for both Python3 and Python, the search algorithm should be
@@ -39,7 +40,7 @@ macro(mlir_configure_python_dev_packages)
 
     # It's a little silly to detect Python a second time, but nanobind's cmake
     # code looks for Python_ not Python3_.
-    find_package(Python ${LLVM_MINIMUM_PYTHON_VERSION}
+    find_package(Python ${MLIR_MINIMUM_PYTHON_VERSION}
       COMPONENTS Interpreter ${_python_development_component} REQUIRED)
 
     unset(_python_development_component)

[boomanaiden154]

This LGTM as long as all of the bots building MLIR have greater than the minimum Python version.

Please link the RFC from the description as that's where the discussion actually happened.