rust: add --rust-target option for bindgen

Without it, recent bindgen will give an error

   error: extern block cannot be declared unsafe

if rustc is not new enough to support the "unsafe extern" construct.

Cc: qemu-rust@nongnu.org
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20250206111514.2134895-1-pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2025-02-06 12:15:13 +01:00 committed by Stefan Hajnoczi
parent d922088eb4
commit 131c58469f

View File

@ -4054,6 +4054,9 @@ if have_rust
bindgen_args += ['--formatter', 'none'] bindgen_args += ['--formatter', 'none']
endif endif
endif endif
if bindgen.version().version_compare('>=0.66.0')
bindgen_args += ['--rust-target', '1.59']
endif
if bindgen.version().version_compare('<0.61.0') if bindgen.version().version_compare('<0.61.0')
# default in 0.61+ # default in 0.61+
bindgen_args += ['--size_t-is-usize'] bindgen_args += ['--size_t-is-usize']