From b271605228a4a072159355d9e37ae724dd67356e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 20 Jan 2009 21:09:04 +0000
Subject: [PATCH] add a menuconfig option for enabling KALLSYMS for the kernel

SVN-Revision: 14122
---
 Config.in                  | 8 ++++++++
 include/kernel-defaults.mk | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/Config.in b/Config.in
index a5b3364612..0f131f0623 100644
--- a/Config.in
+++ b/Config.in
@@ -117,6 +117,14 @@ config NO_STRIP
 	bool "Install unstripped binary on the target (useful for native compiling/debugging)"
 	default n
 
+comment "Kernel build options"
+
+config KERNEL_KALLSYMS
+	bool "Compile the kernel with symbol table information"
+	default n
+	help
+		This will give you more information in stack traces from kernel oopses
+
 endmenu
 
 menuconfig DEVEL
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 36f9174c91..4aa5c0ef18 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -86,6 +86,9 @@ define Kernel/Configure/2.6
 endef
 define Kernel/Configure/Default
 	$(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target
+	echo "$(if $(CONFIG_KERNEL_KALLSYMS),CONFIG_KALLSYMS=y,# CONFIG_KALLSYMS is not set)" >> $(LINUX_DIR)/.config.target
+	echo "# CONFIG_KALLSYMS_EXTRA_PASS is not set" >> $(LINUX_DIR)/.config.target
+	echo "# CONFIG_KPROBES is not set" >> $(LINUX_DIR)/.config.target
 	$(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
 	$(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
 	$(call Kernel/SetInitramfs)
-- 
2.30.2