From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 2 Oct 2019 10:53:09 +0000 (+0200)
Subject: build: force disable stack validation during kernel build on non-linux systems
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=5f8e5872406dad4df254c26a4166c58de44901ad;p=openwrt%2Fstaging%2Fxback.git

build: force disable stack validation during kernel build on non-linux systems

The check for libelf in the kernel build is not enough, because the code that
uses libelf for stack validation is completely non-portable, as it tries to
include asm/types.h and relies on kernel types in user space.

Until this is fixed properly, the only solution is to disable this on any non
Linux build host

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/include/kernel.mk b/include/kernel.mk
index 97d23661c9..73645330fe 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -129,7 +129,8 @@ ifdef CONFIG_USE_SPARSE
   KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
 endif
 
-ifeq ($(HOST_OS),Darwin)
+ifneq ($(HOST_OS),Linux)
+  KERNEL_MAKEOPTS += CONFIG_STACK_VALIDATION=
   export SKIP_STACK_VALIDATION:=1
 endif