./configure --helpAmong other options, there are three that are important to the success of the build:
--with-qtdir=DIR Qt installation directory default=$QTDIR --with-gdal=path/gdal-config Full path to 'gdal-config' script, e.g. '--with-gdal=/usr/local/bin/gdal-config' --with-pg=path/pg_config PostgreSQL (PostGIS) Support (full path to pg_config) --with-grass=DIR GRASS Support (full path to GRASS binary package)