[PATCH] Makefile INSTALL_HDR_PATH overriden

[Justin Capella]

gpg: Signature made Thu 21 Feb 2019 08:02:55 PM PST
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Author: Justin Capella <justincapella@xxxxxxxxx>
Date:   Thu Feb 21 20:02:55 2019 -0800

    Allow configuration of headers install path, do not overwrite
INSTALL_HDR_PATH

diff --git a/Makefile b/Makefile
index 96c5335e7ee4..686e747ca2ab 100644
--- a/Makefile
+++ b/Makefile
@@ -1151,7 +1151,7 @@ headerdep:
 # Kernel headers

 #Default location for installed headers
-export INSTALL_HDR_PATH = $(objtree)/usr
+export INSTALL_HDR_PATH ?= $(objtree)/usr

 # If we do an all arch process set dst to include/arch-$(SRCARCH)
 hdr-dst = $(if $(KBUILD_HEADERS), dst=include/arch-$(SRCARCH), dst=include)