[PATCH] bitbake: Allow setting DL_DIR from environment

[Harald Seiler <hws@denx.de>]

This patch allows adding DL_DIR to BB_ENV_EXTRAWHITE
and then specifying a custom DL_DIR in the environment.

This behavior mirrors the one in poky.

Signed-off-by: Harald Seiler <hws@denx.de>
---
 bitbake/conf/bitbake.conf   | 2 +-
 meta/conf/isar-bitbake.conf | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bitbake/conf/bitbake.conf b/bitbake/conf/bitbake.conf
index a460df4..ba0d68b 100644
--- a/bitbake/conf/bitbake.conf
+++ b/bitbake/conf/bitbake.conf
@@ -23,7 +23,7 @@ CVSDIR = "${DL_DIR}/cvs"
 DEPENDS = ""
 DEPLOY_DIR = "${TMPDIR}/deploy"
 DEPLOY_DIR_IMAGE = "${DEPLOY_DIR}/images"
-DL_DIR = "${TMPDIR}/downloads"
+DL_DIR ?= "${TMPDIR}/downloads"
 FILESPATH = "${FILE_DIRNAME}/${PF}:${FILE_DIRNAME}/${P}:${FILE_DIRNAME}/${PN}:${FILE_DIRNAME}/files:${FILE_DIRNAME}"
 FILE_DIRNAME = "${@os.path.dirname(d.getVar('FILE', False))}"
 GITDIR = "${DL_DIR}/git"
diff --git a/meta/conf/isar-bitbake.conf b/meta/conf/isar-bitbake.conf
index 666c4a3..39e73f6 100644
--- a/meta/conf/isar-bitbake.conf
+++ b/meta/conf/isar-bitbake.conf
@@ -19,7 +19,7 @@
 # OTHER DEALINGS IN THE SOFTWARE.
 
 WORKDIR = "${TMPDIR}/work/${DISTRO}-${DISTRO_ARCH}/${PF}"
-DL_DIR = "${TOPDIR}/downloads"
+DL_DIR ?= "${TOPDIR}/downloads"
 SSTATE_DIR ?= "${TMPDIR}/sstate-cache"
 BUILDCHROOT_HOST_DIR = "${TMPDIR}/work/${DISTRO}-${DISTRO_ARCH}/buildchroot-host/rootfs"
 BUILDCHROOT_TARGET_DIR = "${TMPDIR}/work/${DISTRO}-${DISTRO_ARCH}/buildchroot-target/rootfs"
--
2.14.1