kernel-devsrc: fix scripts/prepare for ARM64

There are two new tools in 5.13+ required for on target
recreation of the build environment.

We conditionally add them to the devsrc recipe to support
both 5.13 and older kernels.

(From OE-Core rev: cb1b7e76f20dc7f11a667fa00958ab56e680c632)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb b/meta/recipes-kernel/linux/kernel-devsrc.bb
index 84e99233e6..b1837b3a51 100644
--- a/meta/recipes-kernel/linux/kernel-devsrc.bb
+++ b/meta/recipes-kernel/linux/kernel-devsrc.bb
@@ -163,6 +163,14 @@ do_install() {
             cp -a --parents arch/arm64/kernel/vdso/gen_vdso_offsets.sh $kerneldir/build/
 
             cp -a --parents arch/arm64/kernel/module.lds $kerneldir/build/ 2>/dev/null || :
+
+            # 5.13+ needs these tools
+            cp -a --parents arch/arm64/tools/gen-cpucaps.awk $kerneldir/build/ 2>/dev/null || :
+            cp -a --parents arch/arm64/tools/cpucaps $kerneldir/build/ 2>/dev/null || :
+
+            if [ -e $kerneldir/build/arch/arm64/tools/gen-cpucaps.awk ]; then
+                 sed -i -e "s,#!.*awk.*,#!${USRBINPATH}/env awk," $kerneldir/build/arch/arm64/tools/gen-cpucaps.awk
+            fi
         fi
 
         if [ "${ARCH}" = "powerpc" ]; then
@@ -307,3 +315,5 @@ RDEPENDS_${PN} += "openssl-dev util-linux"
 RDEPENDS_${PN} += "${@bb.utils.contains('ARCH', 'x86', 'elfutils', '', d)}"
 # 5.8+ needs gcc-plugins libmpc-dev
 RDEPENDS_${PN} += "gcc-plugins libmpc-dev"
+# 5.13+ needs awk for arm64
+RDEPENDS_${PN}_append_aarch64 = " gawk"