Build IBASE sql driver (linux)

source

Prior install firebird to /opt/firebird from here.

cd $QTDIR/qtbase/src/plugins/sqldrivers/ibase
$QTDIR/qtbase/bin/qmake "INCLUDEPATH+=/opt/firebird/include" "LIBS+=-L/opt/firebird/lib -lfbclient" ibase.pro
make

Note: if there is an error like: /usr/bin/ld.gold: error: cannot find -lgds:

1. search for libgds* in /usr
2. if found in /usr/lib64:

   qmake "INCLUDEPATH+=/opt/firebird/include" "LIBS+=-L/opt/firebird/lib -L/usr/lib64 -lfbclient" ibase.pro