don't unnecessarily claim that gui is needed

Change-Id: Ie5d2c0d74f3b47e7f5cf0a3d34b84b382f01f7bd
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
don't look for sources in FORMS3

amends 17af244afa7

Change-Id: Ie718df1bed4e1c78390c1a6e76a99f13f5e4f136
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
INCLUDEPATH does *not* act as VPATH for HEADERS

Change-Id: Ibbcc5d40d475d88694b527ef9fab6bc75075d97c
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
correctly resolve INCLUDEPATH relative to current project

Task-number: QTBUG-24587
Change-Id: I1384403e5c5e3313649fa4abb98e7578cae4677b
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>