[Buildroot] [PATCH v2 1/1] Avoid toolchain download when it is preinstalled

[Laurent GONZALEZ <br2@gezedo.com>]

For configurations using a toolchain that is preinstalled on
the host, <pkg>_SITE and <pkg>_SOURCE variables must be kept
empty to avoid downloading any toolchain package.

Signed-off-by: GONZALEZ Laurent <br2@gezedo.com>
---
 toolchain/toolchain-external/toolchain-external.mk |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/toolchain/toolchain-external/toolchain-external.mk b/toolchain/toolchain-external/toolchain-external.mk
index 2722600..5eb86c7 100644
--- a/toolchain/toolchain-external/toolchain-external.mk
+++ b/toolchain/toolchain-external/toolchain-external.mk
@@ -236,6 +236,7 @@ define TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK
 	ln -sf . $(TARGET_DIR)/usr/lib/arm-linux-gnueabihf
 endef
 
+ifeq ($(BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD),y)
 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201109),y)
 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi/
 TOOLCHAIN_EXTERNAL_SOURCE = arm-2011.09-70-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
@@ -347,6 +348,10 @@ else
 TOOLCHAIN_EXTERNAL_SITE = $(dir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL)))
 TOOLCHAIN_EXTERNAL_SOURCE = $(notdir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL)))
 endif
+else
+TOOLCHAIN_EXTERNAL_SITE =
+TOOLCHAIN_EXTERNAL_SOURCE =
+endif
 
 TOOLCHAIN_EXTERNAL_INSTALL_STAGING = YES
 
-- 
1.7.10.4