From f5a506d17552e5fe1712338111ff764356d01d0a Mon Sep 17 00:00:00 2001
From: Alistair Delva <adelva@google.com>
Date: Wed, 17 Jun 2020 21:55:14 -0700
Subject: [PATCH] ANDROID: GKI: scripts: Makefile: update the lz4 command

Use 'lz4' instead of 'lz4c' and increase the compression level. This
also optimizes for decompression speed at this higher level.

Bug: 159285792
Test: launch_cvd -kernel_path bzImage
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: I9604cc7d1f3600dec27ceb460f7c29d977a919b1
---
 scripts/Makefile.lib | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 342618a2bccb..ef48d15c18e8 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -334,7 +334,8 @@ quiet_cmd_lzo = LZO     $@
       cmd_lzo = { cat $(real-prereqs) | lzop -9; $(size_append); } > $@
 
 quiet_cmd_lz4 = LZ4     $@
-      cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout; \
+      cmd_lz4 = { cat $(real-prereqs) | \
+                  lz4 -c -l -12 --favor-decSpeed stdin stdout; \
                   $(size_append); } > $@
 
 # U-Boot mkimage