Skip to content

GH-156554: Set PY_SUPPORT_TIER=2 for Windows ARM64 builds #156576

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
chris-eibl wants to merge 3 commits into
base: main
Choose a base branch
from
+5 −4
Open

GH-156554: Set PY_SUPPORT_TIER=2 for Windows ARM64 builds #156576

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
9bbfac9
Set PY_SUPPORT_TIER=2 for Windows ARM64 builds
chris-eibl Aug 29, 2026
afd320d
blurb it
chris-eibl Aug 29, 2026
aa17335
update configure
chris-eibl Aug 29, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Build/2026-08-29-15-14-45.gh-issue-156554.64SZb1.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Set ``PY_SUPPORT_TIER=2`` for Windows ARM64 builds.
4 changes: 2 additions & 2 deletions PC/pyconfig.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,7 @@ WIN32 is still required for the locale module.
*
* win_amd64 MSVC (x86_64-pc-windows-msvc): 1
* win32 MSVC (i686-pc-windows-msvc): 1
* win_arm64 MSVC (aarch64-pc-windows-msvc): 3
* win_arm64 MSVC (aarch64-pc-windows-msvc): 2
* other archs and ICC: 0
*/
#ifdef MS_WIN64
Expand All @@ -170,7 +170,7 @@ WIN32 is still required for the locale module.
#define PYD_PLATFORM_TAG "win_amd64"
#elif defined(_M_ARM64)
#define _Py_COMPILER _Py_PASTE_VERSION("64 bit (ARM64)")
#define PY_SUPPORT_TIER 3
#define PY_SUPPORT_TIER 2
#define PYD_PLATFORM_TAG "win_arm64"
#else
#define _Py_COMPILER _Py_PASTE_VERSION("64 bit (Unknown)")
Expand Down
2 changes: 1 addition & 1 deletion configure
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

2 changes: 1 addition & 1 deletion configure.ac
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1266,7 +1266,7 @@ AS_CASE([$host/$ac_cv_cc_name],
[wasm32-unknown-wasip1/clang], [PY_SUPPORT_TIER=2], dnl WebAssembly System Interface preview1, clang
[x86_64-*-linux-gnu/clang], [PY_SUPPORT_TIER=2], dnl Linux on AMD64, any vendor, glibc, clang

[aarch64-pc-windows-msvc/msvc], [PY_SUPPORT_TIER=3], dnl Windows ARM64, MSVC
[aarch64-pc-windows-msvc/msvc], [PY_SUPPORT_TIER=2], dnl Windows ARM64, MSVC
[armv7l-*-linux-gnueabihf/gcc], [PY_SUPPORT_TIER=3], dnl ARMv7 LE with hardware floats, any vendor, glibc, gcc
[powerpc64le-*-linux-gnu/clang], [PY_SUPPORT_TIER=3], dnl Linux on PPC64 little endian, glibc, clang
[riscv64-*-linux-gnu/gcc], [PY_SUPPORT_TIER=3], dnl Linux on RISC-V 64bit, glibc, gcc+clang
Expand Down
Loading