meson on windows with clang-cl & flang; python 3.12 support

.ci_support/linux_64_numpy1.26python3.12.____cpythonpython_implcpython.yaml

@@ -0,0 +1,45 @@
+c_compiler:
+- gcc
+c_compiler_version:
+- '12'
+cdt_name:
+- cos6
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- gxx
+cxx_compiler_version:
+- '12'
+docker_image:
+- quay.io/condaforge/linux-anvil-cos7-x86_64
+fortran_compiler:
+- gfortran
+fortran_compiler_version:
+- '12'
+libblas:
+- 3.9 *netlib
+libcblas:
+- 3.9 *netlib
+liblapack:
+- 3.9 *netlib
+numpy:
+- '1.26'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.12.* *_cpython
+python_impl:
+- cpython
+target_platform:
+- linux-64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+  - fortran_compiler_version
+- - python
+  - numpy
+  - python_impl

.ci_support/linux_aarch64_numpy1.22python3.9.____73_pypypython_implpypy.yaml → .ci_support/linux_aarch64_numpy1.26python3.12.____cpythonpython_implcpython.yaml

@@ -29,15 +29,15 @@ libcblas:
 liblapack:
 - 3.9 *netlib
 numpy:
-- '1.22'
+- '1.26'
 pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
 python:
-- 3.9.* *_73_pypy
+- 3.12.* *_cpython
 python_impl:
-- pypy
+- cpython
 target_platform:
 - linux-aarch64
 zip_keys:

.ci_support/linux_ppc64le_numpy1.22python3.9.____73_pypypython_implpypy.yaml → .ci_support/linux_ppc64le_numpy1.26python3.12.____cpythonpython_implcpython.yaml

@@ -25,15 +25,15 @@ libcblas:
 liblapack:
 - 3.9 *netlib
 numpy:
-- '1.22'
+- '1.26'
 pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
 python:
-- 3.9.* *_73_pypy
+- 3.12.* *_cpython
 python_impl:
-- pypy
+- cpython
 target_platform:
 - linux-ppc64le
 zip_keys:

.ci_support/migrations/python312.yaml

@@ -0,0 +1,42 @@
+migrator_ts: 1695046563
+__migrator:
+    migration_number: 1
+    operation: key_add
+    primary_key: python
+    ordering:
+        python:
+            - 3.6.* *_cpython
+            - 3.7.* *_cpython
+            - 3.8.* *_cpython
+            - 3.9.* *_cpython
+            - 3.10.* *_cpython
+            - 3.11.* *_cpython
+            - 3.12.* *_cpython  # new entry
+            - 3.6.* *_73_pypy
+            - 3.7.* *_73_pypy
+            - 3.8.* *_73_pypy
+            - 3.9.* *_73_pypy
+    paused: false
+    longterm: True
+    pr_limit: 60
+    max_solver_attempts: 5  # this will make the bot retry "not solvable" stuff 5 times
+    exclude:
+      # this shouldn't attempt to modify the python feedstocks
+      - python
+      - pypy3.6
+      - pypy-meta
+      - cross-python
+      - python_abi
+    exclude_pinned_pkgs: false
+    additional_zip_keys:
+      - channel_sources
+
+python:
+  - 3.12.* *_cpython
+channel_sources:
+  - conda-forge/label/python_rc,conda-forge
+# additional entries to add for zip_keys
+numpy:
+  - 1.26
+python_impl:
+  - cpython

.ci_support/osx_64_numpy1.26python3.12.____cpythonpython_implcpython.yaml

@@ -0,0 +1,45 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '10.9'
+c_compiler:
+- clang
+c_compiler_version:
+- '15'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '15'
+fortran_compiler:
+- gfortran
+fortran_compiler_version:
+- '12'
+libblas:
+- 3.9 *netlib
+libcblas:
+- 3.9 *netlib
+liblapack:
+- 3.9 *netlib
+macos_machine:
+- x86_64-apple-darwin13.4.0
+numpy:
+- '1.26'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.12.* *_cpython
+python_impl:
+- cpython
+target_platform:
+- osx-64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+  - fortran_compiler_version
+- - python
+  - numpy
+  - python_impl

.ci_support/osx_arm64_numpy1.26python3.12.____cpython.yaml

@@ -0,0 +1,45 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '11.0'
+c_compiler:
+- clang
+c_compiler_version:
+- '15'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '15'
+fortran_compiler:
+- gfortran
+fortran_compiler_version:
+- '12'
+libblas:
+- 3.9 *netlib
+libcblas:
+- 3.9 *netlib
+liblapack:
+- 3.9 *netlib
+macos_machine:
+- arm64-apple-darwin20.0.0
+numpy:
+- '1.26'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.12.* *_cpython
+python_impl:
+- cpython
+target_platform:
+- osx-arm64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+  - fortran_compiler_version
+- - python
+  - numpy
+  - python_impl

.ci_support/win_64_numpy1.22python3.10.____cpythonpython_implcpython.yaml

@@ -1,7 +1,7 @@
 c_compiler:
 - vs2019
 channel_sources:
-- conda-forge
+- conda-forge/label/llvm_rc,conda-forge/label/meson_dev,conda-forge
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -12,8 +12,6 @@ libcblas:
 - 3.9 *netlib
 liblapack:
 - 3.9 *netlib
-m2w64_fortran_compiler:
-- m2w64-toolchain
 numpy:
 - '1.22'
 pin_run_as_build:

.ci_support/win_64_numpy1.22python3.9.____73_pypypython_implpypy.yaml

@@ -1,7 +1,7 @@
 c_compiler:
 - vs2019
 channel_sources:
-- conda-forge
+- conda-forge/label/llvm_rc,conda-forge/label/meson_dev,conda-forge
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -12,8 +12,6 @@ libcblas:
 - 3.9 *netlib
 liblapack:
 - 3.9 *netlib
-m2w64_fortran_compiler:
-- m2w64-toolchain
 numpy:
 - '1.22'
 pin_run_as_build:

.ci_support/win_64_numpy1.22python3.9.____cpythonpython_implcpython.yaml

@@ -1,7 +1,7 @@
 c_compiler:
 - vs2019
 channel_sources:
-- conda-forge
+- conda-forge/label/llvm_rc,conda-forge/label/meson_dev,conda-forge
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -12,8 +12,6 @@ libcblas:
 - 3.9 *netlib
 liblapack:
 - 3.9 *netlib
-m2w64_fortran_compiler:
-- m2w64-toolchain
 numpy:
 - '1.22'
 pin_run_as_build:

.ci_support/win_64_numpy1.23python3.11.____cpythonpython_implcpython.yaml

@@ -1,7 +1,7 @@
 c_compiler:
 - vs2019
 channel_sources:
-- conda-forge
+- conda-forge/label/llvm_rc,conda-forge/label/meson_dev,conda-forge
 channel_targets:
 - conda-forge main
 cxx_compiler:
@@ -12,8 +12,6 @@ libcblas:
 - 3.9 *netlib
 liblapack:
 - 3.9 *netlib
-m2w64_fortran_compiler:
-- m2w64-toolchain
 numpy:
 - '1.23'
 pin_run_as_build:

.ci_support/win_64_numpy1.26python3.12.____cpythonpython_implcpython.yaml

@@ -0,0 +1,30 @@
+c_compiler:
+- vs2019
+channel_sources:
+- conda-forge/label/llvm_rc,conda-forge/label/meson_dev,conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- vs2019
+libblas:
+- 3.9 *netlib
+libcblas:
+- 3.9 *netlib
+liblapack:
+- 3.9 *netlib
+numpy:
+- '1.26'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.12.* *_cpython
+python_impl:
+- cpython
+target_platform:
+- win-64
+zip_keys:
+- - python
+  - numpy
+  - python_impl