The option is at the moment enabled for x86/64. The selection chain
should be
config RETPOLINE
select STACK_VALIDATION if HAVE_STACK_VALIDATION
config x86
select HAVE_STACK_VALIDATION if X86_64
cryptdev-linux:
make[4]: Entering directory
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/cryptodev-linux-cryptodev-linux-1.10'
make -C
/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.113
M=/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/cryptodev-linux-cryptodev-linux-1.10
ARCH=x86 CROSS_COMPILE=x86_64-openwrt-linux-musl- modules
make[5]: Entering directory
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.113'
make[6]: *** No rule to make target
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/cryptodev-linux-cryptodev-linux-1.10/ioctl.o',
needed by
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/cryptodev-linux-cryptodev-linux-1.10/cryptodev.o'.
Stop.
Makefile:1533: recipe for target
'_module_/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/cryptodev-linux-cryptodev-linux-1.10'
failed
Open vSwitch intree kmods
make[7]: Entering directory
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/openvswitch-2.11.0/datapath/linux'
make -C
/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.111
ARCH=x86
M=/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/openvswitch-2.11.0/datapath/linux
modules
make[8]: Entering directory
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.111'
make[9]: *** No rule to make target 'tools/objtool/objtool', needed by
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/openvswitch-2.11.0/datapath/linux/actions.o'.
Stop.
Makefile:1533: recipe for target
'_module_/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/openvswitch-2.11.0/datapath/linux'
failed
make[8]: ***
[_module_/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/openvswitch-2.11.0/datapath/linux]
Error 2
make[8]: Leaving directory
'/store/buildbot/slave/x86_64/build/sdk/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.111'
Reference: builddeb: include objtool binary in headers package,
https://patchwork.kernel.org/patch/9014071/
Signed-off-by: Yousong Zhou <yszhou4t...@gmail.com>
---
target/sdk/Makefile | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/sdk/Makefile b/target/sdk/Makefile
index 95ac3be197..3b860db93a 100644
--- a/target/sdk/Makefile
+++ b/target/sdk/Makefile
@@ -94,6 +94,14 @@ $(BIN_DIR)/$(SDK_NAME).tar.xz: clean
$(TAR) -cf - -C $(TOPDIR) $(KDIR_BASE)/tools/usb/usbip/ | \
$(TAR) -xf - -C $(SDK_BUILD_DIR)
+ # Copy objtool executables. They are required for building external
+ # modules if "Compile-time stack metadata validation" is enabled.
+ if grep -q '^CONFIG_STACK_VALIDATION=y' $(LINUX_DIR)/.config; then \
+ $(TAR) -cf - -C $(TOPDIR) \
+ `cd $(TOPDIR); find $(KDIR_BASE)/tools/objtool
-type f -executable` | \
+ $(TAR) -xf - -C $(SDK_BUILD_DIR); \
+ fi
+
(cd $(SDK_BUILD_DIR); find $(STAGING_SUBDIR_HOST)/bin
$(STAGING_SUBDIR_HOST)/usr/bin \
$(STAGING_SUBDIR_TOOLCHAIN)/bin
$(STAGING_SUBDIR_TOOLCHAIN)/*/bin $(STAGING_SUBDIR_TOOLCHAIN)/libexec \
-type f | $(XARGS) $(SCRIPT_DIR)/bundle-libraries.sh
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST))
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