configure.ac: error out when building from git without python3
authorEmil Velikov <emil.velikov@collabora.com>
Wed, 4 May 2016 10:47:14 +0000 (11:47 +0100)
committerEmil Velikov <emil.l.velikov@gmail.com>
Mon, 23 May 2016 11:07:47 +0000 (12:07 +0100)
commit2cd687ce97f39bd98fab4d72d607b7a1644cd2a0
tree87270b3a429aeccb7aa1b4a14332067c0b87b66f
parenta155cdaace09e5fd2712528a6fa28ca3818d41a3
configure.ac: error out when building from git without python3

Bail early, as opposed to later on during the build.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
configure.ac