diff options
Diffstat (limited to 'rust')
| -rw-r--r-- | rust/Makefile | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/rust/Makefile b/rust/Makefile index 6daaa4dc21db..fcec0e1d9762 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -264,7 +264,11 @@ else bindgen_c_flags_lto = $(bindgen_c_flags) endif -bindgen_c_flags_final = $(bindgen_c_flags_lto) -D__BINDGEN__ +# `-fno-builtin` is passed to avoid `bindgen` from using `clang` builtin +# prototypes for functions like `memcpy` -- if this flag is not passed, +# `bindgen`-generated prototypes use `c_ulong` or `c_uint` depending on +# architecture instead of generating `usize`. +bindgen_c_flags_final = $(bindgen_c_flags_lto) -fno-builtin -D__BINDGEN__ quiet_cmd_bindgen = BINDGEN $@ cmd_bindgen = \ |