Add a macro to check Qt's version.
tree5d160d60fcd798cc384b6e42d56dc68c8c17196c
-rw-r--r-- 37 AUTHORS
-rw-r--r-- 17987 COPYING
-rw-r--r-- 242 Makefile.am
-rw-r--r-- 180 NEWS
-rw-r--r-- 29 README
-rwxr-xr-x 677 bootstrap
drwxr-xr-x - build-aux
-rw-r--r-- 1397 configure.ac
drwxr-xr-x - gui
drwxr-xr-x - src
drwxr-xr-x - tests