build: remove old kernel-headers build directories

Saves space after updating kernel versions

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 76b62e6022)
This commit is contained in:
Felix Fietkau 2017-06-16 15:15:37 +02:00 committed by Jo-Philipp Wich
parent c7234e3036
commit 7f3f2bc03b
1 changed files with 1 additions and 0 deletions

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@ -71,6 +71,7 @@ define Host/Configure/post/mipsel
endef
define Host/Prepare
rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
$(call Kernel/Prepare/Default)
rm -f $(BUILD_DIR_TOOLCHAIN)/linux
ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux