diff options
Diffstat (limited to 'src/compat/Kbuild.include')
-rw-r--r-- | src/compat/Kbuild.include | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/compat/Kbuild.include b/src/compat/Kbuild.include index 7404992..db4b0a6 100644 --- a/src/compat/Kbuild.include +++ b/src/compat/Kbuild.include @@ -47,6 +47,10 @@ ccflags-y += -include $(kbuild-dir)/compat/memneq/include.h wireguard-y += compat/memneq/memneq.o endif +ifeq ($(shell grep -s -F "addr_gen_mode" "$(srctree)/include/linux/ipv6.h"),) +ccflags-y += -DCOMPAT_CANNOT_USE_DEV_CNF +endif + ifdef CONFIG_HZ ifeq ($(wildcard $(srctree)/include/generated/timeconst.h),) ccflags-y += $(shell echo 'define gcd(a,b){auto t;while(b){t=b;b=a%b;a=t;};return a;};hz=$(CONFIG_HZ);cd=gcd(hz,1000000);print "-DHZ_TO_USEC_NUM=",1000000/cd," -DHZ_TO_USEC_DEN=",hz/cd;halt;' | bc -q) |