diff options
author | Andrew Gallant <jamslam@gmail.com> | 2023-07-08 13:27:22 -0400 |
---|---|---|
committer | Andrew Gallant <jamslam@gmail.com> | 2023-07-08 18:52:42 -0400 |
commit | db6bb21a629d5b1ec1bfe89c693b280497c9eedc (patch) | |
tree | 9fe986d58a79b5d0dfeee05fbe70b635d7bb4805 /pkg | |
parent | da7c81fb960a2f5d0e3e3abd4bb86d7bb223ea57 (diff) |
windows: attempt to enable long path support for MSVC targets
See the README and comments in the build.rs. Basically, this embeds an
XML file that I guess is a way of setting configuration knobs on
Windows. One of those knobs is enabling long path support. You still
need to enable it in your registry (lol), but this will handle the other
half of it.
Fixes #364, Closes #2049
Diffstat (limited to 'pkg')
-rw-r--r-- | pkg/windows/Manifest.xml | 28 | ||||
-rw-r--r-- | pkg/windows/README.md | 15 |
2 files changed, 43 insertions, 0 deletions
diff --git a/pkg/windows/Manifest.xml b/pkg/windows/Manifest.xml new file mode 100644 index 00000000..b6f0e702 --- /dev/null +++ b/pkg/windows/Manifest.xml @@ -0,0 +1,28 @@ +<?xml version="1.0" encoding="UTF-8" standalone="yes"?> +<!-- +This is a Windows application manifest file. +See: https://docs.microsoft.com/en-us/windows/win32/sbscs/application-manifests +--> +<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3"> + <!-- Versions rustc supports as compiler hosts --> + <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1"> + <application> + <!-- Windows 7 --><supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/> + <!-- Windows 8 --><supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/> + <!-- Windows 8.1 --><supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/> + <!-- Windows 10 and 11 --><supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/> + </application> + </compatibility> + <!-- Use UTF-8 code page --> + <asmv3:application> + <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings"> + <activeCodePage>UTF-8</activeCodePage> + </asmv3:windowsSettings> + </asmv3:application> + <!-- Remove (most) legacy path limits --> + <asmv3:application> + <asmv3:windowsSettings xmlns:ws2="http://schemas.microsoft.com/SMI/2016/WindowsSettings"> + <ws2:longPathAware>true</ws2:longPathAware> + </asmv3:windowsSettings> + </asmv3:application> +</assembly> diff --git a/pkg/windows/README.md b/pkg/windows/README.md new file mode 100644 index 00000000..7be701bf --- /dev/null +++ b/pkg/windows/README.md @@ -0,0 +1,15 @@ +This directory contains a Windows manifest for various Windows-specific +settings. + +The main thing we enable here is [`longPathAware`], which permits paths of the +form `C:\` to be longer than 260 characters. + +The approach taken here was modeled off of a [similar change for `rustc`][rustc pr]. +In particular, this manifest gets linked into the final binary. Those linker +arguments are applied in `build.rs`. + +This currently only applies to MSVC builds. If there's an easy way to make this +apply to GNU builds as well, then patches are welcome. + +[`longPathAware`]: https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests#longpathaware +[rustc pr]: https://github.com/rust-lang/rust/pull/96737 |