Skip to content

fix(build): add CUDA 13.2 support #368

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

Draft
CharryWu wants to merge 2 commits into
base: main
Choose a base branch
from
Draft

fix(build): add CUDA 13.2 support #368

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c7e3074
fix(cust): use bindgen anonymous union for CUmemLocation_st.id on CUD…
CharryWu Mar 26, 2026
ed6fad8
fix(cust): add cuMemLocation_anon_id cfg guard for CUDA 13.0 compat
CharryWu Mar 26, 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
8 changes: 8 additions & 0 deletions crates/cust/build.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,4 +40,12 @@ fn main() {
println!("cargo::rustc-cfg=cuGraphGetEdges_v2");
println!("cargo::rustc-cfg=cuCtxCreate_v4");
}

// In CUDA 13.2 the `id` field in `CUmemLocation_st` was placed inside an anonymous union.
// Bindgen renders this as `__bindgen_anon_1: CUmemLocation_st__bindgen_ty_1` instead of a
// direct `id` field. This cfg gates the struct initialization syntax accordingly.
println!("cargo::rustc-check-cfg=cfg(cuMemLocation_anon_id)");
if driver_version >= 13020 {
println!("cargo::rustc-cfg=cuMemLocation_anon_id");
}
}
15 changes: 15 additions & 0 deletions crates/cust/src/memory/unified.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -647,6 +647,9 @@ pub trait MemoryAdvise<T: DeviceCopy>: private::Sealed {
#[cfg(cuMemPrefetchAsync_v2)]
driver_sys::CUmemLocation {
type_: driver_sys::CUmemLocationType::CU_MEM_LOCATION_TYPE_DEVICE,
#[cfg(cuMemLocation_anon_id)]
__bindgen_anon_1: driver_sys::CUmemLocation_st__bindgen_ty_1 { id },
#[cfg(not(cuMemLocation_anon_id))]
id,
},
#[cfg(not(cuMemPrefetchAsync_v2))]
Expand Down Expand Up @@ -693,6 +696,9 @@ pub trait MemoryAdvise<T: DeviceCopy>: private::Sealed {
#[cfg(cuMemPrefetchAsync_v2)]
driver_sys::CUmemLocation {
type_: driver_sys::CUmemLocationType::CU_MEM_LOCATION_TYPE_DEVICE,
#[cfg(cuMemLocation_anon_id)]
__bindgen_anon_1: driver_sys::CUmemLocation_st__bindgen_ty_1 { id },
#[cfg(not(cuMemLocation_anon_id))]
id,
},
#[cfg(not(cuMemPrefetchAsync_v2))]
Expand Down Expand Up @@ -735,6 +741,9 @@ pub trait MemoryAdvise<T: DeviceCopy>: private::Sealed {
#[cfg(cuMemAdvise_v2)]
driver_sys::CUmemLocation {
type_: driver_sys::CUmemLocationType::CU_MEM_LOCATION_TYPE_DEVICE,
#[cfg(cuMemLocation_anon_id)]
__bindgen_anon_1: driver_sys::CUmemLocation_st__bindgen_ty_1 { id },
#[cfg(not(cuMemLocation_anon_id))]
id,
},
#[cfg(not(cuMemAdvise_v2))]
Expand Down Expand Up @@ -777,6 +786,9 @@ pub trait MemoryAdvise<T: DeviceCopy>: private::Sealed {
#[cfg(cuMemAdvise_v2)]
driver_sys::CUmemLocation {
type_: driver_sys::CUmemLocationType::CU_MEM_LOCATION_TYPE_DEVICE,
#[cfg(cuMemLocation_anon_id)]
__bindgen_anon_1: driver_sys::CUmemLocation_st__bindgen_ty_1 { id },
#[cfg(not(cuMemLocation_anon_id))]
id,
},
#[cfg(not(cuMemAdvise_v2))]
Expand All @@ -801,6 +813,9 @@ pub trait MemoryAdvise<T: DeviceCopy>: private::Sealed {
#[cfg(cuMemAdvise_v2)]
driver_sys::CUmemLocation {
type_: driver_sys::CUmemLocationType::CU_MEM_LOCATION_TYPE_DEVICE,
#[cfg(cuMemLocation_anon_id)]
__bindgen_anon_1: driver_sys::CUmemLocation_st__bindgen_ty_1 { id },
#[cfg(not(cuMemLocation_anon_id))]
id,
},
#[cfg(not(cuMemAdvise_v2))]
Expand Down
Loading