[llvm] Add option to enable MLIR Python bindings (#32415)

ports/llvm/0010-remove-numpy.patch

@@ -0,0 +1,25 @@
+From 80300a7f4533fdfc75ec60b0d1dc1c5d5a6b9e3c Mon Sep 17 00:00:00 2001
+From: Ankur Verma <ankurv@microsoft.com>
+Date: Fri, 14 Jul 2023 09:45:22 -0700
+Subject: [PATCH] remove_numpy
+
+---
+ mlir/cmake/modules/MLIRDetectPythonEnv.cmake | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mlir/cmake/modules/MLIRDetectPythonEnv.cmake b/mlir/cmake/modules/MLIRDetectPythonEnv.cmake
+index 9c8966591514..35c94f0d1acc 100644
+--- a/mlir/cmake/modules/MLIRDetectPythonEnv.cmake
++++ b/mlir/cmake/modules/MLIRDetectPythonEnv.cmake
+@@ -26,7 +26,7 @@ macro(mlir_configure_python_dev_packages)
+   set(_python_development_component Development.Module)
+ 
+   find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION}
+-    COMPONENTS Interpreter ${_python_development_component} NumPy REQUIRED)
++    COMPONENTS Interpreter ${_python_development_component} REQUIRED)
+   unset(_python_development_component)
+   message(STATUS "Found python include dirs: ${Python3_INCLUDE_DIRS}")
+   message(STATUS "Found python libraries: ${Python3_LIBRARIES}")
+-- 
+2.41.0.windows.2
+

ports/llvm/0012-create-destination-mlir-directory.patch

@@ -0,0 +1,13 @@
+diff --git a/mlir/python/CMakeLists.txt b/mlir/python/CMakeLists.txt
+index 7eb6e05e4..b9e1a096a 100644
+--- a/mlir/python/CMakeLists.txt
++++ b/mlir/python/CMakeLists.txt
+@@ -483,6 +483,8 @@ add_mlir_python_common_capi_library(MLIRPythonCAPI
+     ${_ADDL_TEST_SOURCES}
+ )
+ 
++file(MAKE_DIRECTORY "${MLIR_BINARY_DIR}/python_packages/mlir_core/mlir/_mlir_libs")
++
+ ################################################################################
+ # The fully assembled package of modules.
+ # This must come last.

ports/llvm/portfile.cmake

@@ -15,7 +15,9 @@ vcpkg_from_github(
         0007-Fix-install-bolt.patch
         0008-llvm_assert.patch
         0009-disable-libomp-aliases.patch
-        0010-missing-include.patch
+        0010-remove-numpy.patch
+        0011-missing-include.patch
+        0012-create-destination-mlir-directory.patch
 )
 
 vcpkg_check_features(
@@ -147,6 +149,12 @@ if("lldb" IN_LIST FEATURES)
 endif()
 if("mlir" IN_LIST FEATURES)
     list(APPEND LLVM_ENABLE_PROJECTS "mlir")
+    if("enable-mlir-python-bindings" IN_LIST FEATURES)
+        list(APPEND FEATURE_OPTIONS
+            -DMLIR_ENABLE_BINDINGS_PYTHON=ON
+            "-Dpybind11_DIR=${CURRENT_INSTALLED_DIR}/share/pybind11"
+        )
+    endif()
 endif()
 if("openmp" IN_LIST FEATURES)
     list(APPEND LLVM_ENABLE_PROJECTS "openmp")

ports/llvm/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "llvm",
   "version": "15.0.7",
-  "port-version": 5,
+  "port-version": 6,
   "description": "The LLVM Compiler Infrastructure.",
   "homepage": "https://llvm.org",
   "license": "Apache-2.0",
@@ -193,6 +193,21 @@
         "libxml2"
       ]
     },
+    "enable-mlir-python-bindings": {
+      "description": "Build MLIR Python bindings.",
+      "supports": "!(windows & static)",
+      "dependencies": [
+        {
+          "name": "llvm",
+          "default-features": false,
+          "features": [
+            "mlir"
+          ]
+        },
+        "pybind11",
+        "python3"
+      ]
+    },
     "enable-rtti": {
       "description": "Build LLVM with run-time type information."
     },

versions/baseline.json

@@ -5038,7 +5038,7 @@
     },
     "llvm": {
       "baseline": "15.0.7",
-      "port-version": 5
+      "port-version": 6
     },
     "lmdb": {
       "baseline": "0.9.29",

versions/l-/llvm.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "484d2a5abb5ffc10d18e18603adb20bd01854012",
+      "version": "15.0.7",
+      "port-version": 6
+    },
     {
       "git-tree": "ce05511c7bf08ffecc627b73ae566e1a1e7e6b20",
       "version": "15.0.7",