linux: fix check of configuration file existence

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/linux/linux.mk b/linux/linux.mk
index ec7dfc39ec6fd65d5202d675b0a28fe7f6bcbead..91a5fb8d814229bc2a08103edc2e27cb2e75c756 100644 (file)
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -166,9 +166,11 @@ else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y)
 KERNEL_SOURCE_CONFIG = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE))
 endif
 
+ifeq ($(BR2_LINUX_KERNEL),y)
 ifeq ($(wildcard $(KERNEL_SOURCE_CONFIG)),)
 $(error Configuration file '$(KERNEL_SOURCE_CONFIG)' not found.)
 endif
+endif
 
 ifeq ($(call KCONFIG_GET_OPT,CONFIG_KERNEL_LZO,$(KERNEL_SOURCE_CONFIG)),y)
 LINUX_DEPENDENCIES += host-lzop