configure.ac: don't allow installation in source or build directory
commit9d4f273b6fcaca4af450c33d91ef2bc278e3282f
authorSven Verdoolaege <skimo@kotnet.org>
Fri, 10 Aug 2012 07:36:30 +0000 (10 09:36 +0200)
committerSven Verdoolaege <skimo@kotnet.org>
Fri, 10 Aug 2012 07:40:36 +0000 (10 09:40 +0200)
tree1e2a1c2eb6d453b3b9f204565d2e6d59bc0220ea
parente20f64350179a602e6f339c48a9a5573aae16c54
configure.ac: don't allow installation in source or build directory

This will fail at some point during the installation anyway,
so it's better to check early.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
configure.ac