Using $(CROSS_ENV) results in a target binary, which is obviously wrong
for a host tool.
$ file platform-sdcard/sysroot-host/bin/lz4
platform-sdcard/sysroot-host/bin/lz4: ELF 32-bit LSB executable, ARM,
EABI5 version 1 (SYSV), dynamically linked,
interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 3.0.0, with debug_info,
not stripped

Using the plain environment for building the host tool fixes this.

Signed-off-by: Alexander Stein <alexander.st...@systec-electronic.com>
---
 rules/host-lz4.make | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rules/host-lz4.make b/rules/host-lz4.make
index 8c8ed4cd3..6fa9040f9 100644
--- a/rules/host-lz4.make
+++ b/rules/host-lz4.make
@@ -18,7 +18,7 @@ HOST_PACKAGES-$(PTXCONF_HOST_LZ4) += host-lz4
 # ----------------------------------------------------------------------------
 
 HOST_LZ4_CONF_TOOL     := NO
-HOST_LZ4_MAKE_ENV      := $(CROSS_ENV) PREFIX=
+HOST_LZ4_MAKE_ENV      := PREFIX=
 HOST_LZ4_MAKE_OPT      := BUILD_STATIC=no lz4
 HOST_LZ4_INSTALL_OPT   := BUILD_STATIC=no install
 
-- 
2.13.6


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