[Buildroot] [git commit] package/swupdate: add optional zchunk support

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=661032e32c28976b3abb58fe88f8f0e75d3d2dde
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

This is required for delta update handler support.

Signed-off-by: James Hilliard <james.hilliard1 at gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 package/swupdate/swupdate.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/package/swupdate/swupdate.mk b/package/swupdate/swupdate.mk
index e16060f5cb..065ae772ba 100644
--- a/package/swupdate/swupdate.mk
+++ b/package/swupdate/swupdate.mk
@@ -172,6 +172,13 @@ else
 SWUPDATE_MAKE_ENV += HAVE_WOLFSSL=n
 endif
 
+ifeq ($(BR2_PACKAGE_ZCHUNK),y)
+SWUPDATE_DEPENDENCIES += zchunk
+SWUPDATE_MAKE_ENV += HAVE_ZCK=y
+else
+SWUPDATE_MAKE_ENV += HAVE_ZCK=n
+endif
+
 ifeq ($(BR2_PACKAGE_ZEROMQ),y)
 SWUPDATE_DEPENDENCIES += zeromq
 SWUPDATE_MAKE_ENV += HAVE_LIBZEROMQ=y