bianchi 
Guys, I got this error when doing "build-all" for qtopia2.20 for x86 on Fedora 20, I have installed Qt : [root@localhost x86-qtopia]# yum install qt Loaded plugins: langpacks, refresh-packagekit Package 1:qt-4.8.6-5.fc20.i686 already installed and latest version Nothing to do [root@localhost x86-qtopia]# The error : configure: WARNING: libjpeg not found. disable JPEG support. checking for Qt... configure: error: Qt (>= Qt 2.2.2) (library qte) not found. Please check your installation! Any fix ? thanks