toolchain-external: fix circular recursion if TOOLCHAIN_VENDOR is not defined

Signed-off-by: Denys Dmytriyenko <denis@denix.org>

diff --git a/conf/distro/include/toolchain-external.inc b/conf/distro/include/toolchain-external.inc
index 585d50e..59b6470 100644 (file)
--- a/conf/distro/include/toolchain-external.inc
+++ b/conf/distro/include/toolchain-external.inc
@@ -7,4 +7,4 @@ PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}g++ = "external-toolchain-${TOOLCHAIN
 #PREFERRED_PROVIDER_linux-libc-headers = "external-toolchain-${TOOLCHAIN_BRAND}"
 
 TOOLCHAIN_VENDOR ?= "${TARGET_VENDOR}"
-TARGET_VENDOR = "${TOOLCHAIN_VENDOR}"
+TARGET_VENDOR := "${TOOLCHAIN_VENDOR}"