kernel-selftest: handle missing -64.h headers

Some toolchains ship only bits/*.h without the -64.h suffix,
causing the recipe to fail. Add a fallback to use *.h if
*-64.h is not found, and warn if neither exists.

Signed-off-by: Nylon Chen <nylon.chen@sifive.com>
Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb b/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb
index d35f24e77b..7f77f45c7e 100644
--- a/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb
+++ b/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb
@@ -89,7 +89,16 @@ either install it and add it to HOSTTOOLS, or add clang-native from meta-clang t
     install -Dm 0644 ${STAGING_KERNEL_BUILDDIR}/.config ${S}/include/config/auto.conf
     if [ "${SITEINFO_BITS}" != "32" ]; then
         for f in long-double endianness floatn struct_rwlock; do
-            cp ${RECIPE_SYSROOT}${includedir}/bits/$f-64.h ${S}/bits/$f-32.h
+            src_base="${RECIPE_SYSROOT}${includedir}/bits/${f}"
+            if [ -f "${src_base}-64.h" ]; then
+                src="${src_base}-64.h"
+            elif [ -f "${src_base}.h" ]; then
+                src="${src_base}.h"
+            else
+                bbwarn "Missing header for bits/${f}{-64,.h} under ${RECIPE_SYSROOT}${includedir}/bits skipped"
+                continue
+            fi
+            install -m 0644 "${src}" "${S}/bits/${f}-32.h"
         done
     fi
     oe_runmake -C ${S} headers