build: fix tarball stubdom build
authorWei Liu <wei.liu2@citrix.com>
Thu, 27 Aug 2015 15:54:01 +0000 (16:54 +0100)
committerIan Jackson <Ian.Jackson@eu.citrix.com>
Thu, 27 Aug 2015 17:59:11 +0000 (18:59 +0100)
commit0cc73e9870a96e18fc076618c0b419919794ae06
tree772c0116eee7de0a0a2897e6b106a1582c72b341
parent5f335544cf5b716b0af51223e33373c4a7d65e8c
build: fix tarball stubdom build

When we create a source code tarball, mini-os is extracted to
extras/mini-os directory. When building a source code tarball, we
shouldn't clone mini-os again.

Only clone mini-os when that directory doesn't exist. This fixes tarball
build and doesn't affect non-tarball build.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Makefile