The Rust bindgen uses libclang to parse target headers, so the arguments
passed to bindgen_clang_arguments must be valid clang arguments.
Changing TCOVERRIDE to toolchain-clang applies various fixes to those
arguments, including big.LITTLE architecture values fix for -mcpu.
Note that the target attribute depends on the system beeing built for,
it is either the host system, the target system or the SDK system.
Fixes: a647a0ff4c4e ("meson: correct bindgen_clang_argments")
Signed-off-by: Walter Werner Schneider <[email protected]>
---
meta/classes-recipe/meson.bbclass | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/meta/classes-recipe/meson.bbclass
b/meta/classes-recipe/meson.bbclass
index 9bed293603..8a37aa45ed 100644
--- a/meta/classes-recipe/meson.bbclass
+++ b/meta/classes-recipe/meson.bbclass
@@ -59,11 +59,14 @@ def rust_tool(d, target_var):
return "rust = %s" % repr(cmd)
def bindgen_args(d):
- args = '${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS} --target=${TARGET_SYS}'
+ args = '${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} --target=${HOST_SYS}'
# For SDK packages TOOLCHAIN_OPTIONS don't contain full sysroot path
if bb.data.inherits_class("nativesdk", d):
args += '
--sysroot=${STAGING_DIR_HOST}${SDKPATHNATIVE}${prefix_nativesdk}'
- items = d.expand(args).split()
+ # Rust bindgen uses libclang under the hood. Apply variable overrides for
+ # clang; Fixes big.LITTLE -mcpu values.
+ localdata = d.createCopy()\n localdata.setVar('TCOVERRIDE',
'toolchain-clang');
+ items = localdata.expand(args).split()
return repr(items[0] if len(items) == 1 else items)
addtask write_config before do_configure
---
base-commit: 4a72f62d32e3fd3a88c2b92671f6dd75ef35fc44
change-id: 20260604-fix-rust-bindgen-for-big-little-arch-34788066c4ae
Best regards,
--
Walter Werner Schneider <[email protected]>
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