Fix check for GtkDoc header generation dependencies
commit78c6a2ad6dfafb206024e828cb76ec3229768ab4
authorColomban Wendling <ban@herbesfolles.org>
Thu, 3 Mar 2016 13:46:25 +0000 (3 14:46 +0100)
committerColomban Wendling <ban@herbesfolles.org>
Thu, 3 Mar 2016 13:49:37 +0000 (3 14:49 +0100)
treeb89b1e83ab804b06492052ebcf41c13874c9ffbe
parent0619801b74b6d0575ee422363abd92eefa78248e
Fix check for GtkDoc header generation dependencies

The checks itself were correct, but the logic for the final decision
didn't properly handle `--enable-gtkdoc-header=auto`, which also
happens to be the default.

Also fix hiding error messages from Python when trying to import the
`lxml` module to see whether it's available or not.

Closes #929.
m4/geany-gtkdoc-header.m4