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