On Sat, Mar 18, 2017 at 11:56:25AM -0400, Scott Kostyshak wrote: > On Sat, Mar 18, 2017 at 08:26:05AM +0100, Kornel Benko wrote: > > > Yes, this is sufficient. > > If you want to switch more often, you should create a script. > > I have a symbolic link, /usr/BUILD/BuildQt, pointing to the correct QT. > > And in /etc/ld.so.conf.d/qt5.conf the first line reads > > /usr/BUILD/BuildQtRoot/lib > > > > Also the env PATH contains /usr/BUILD/BuildQtRoot/bin. > > > > In case of using built-in qt, /usr/BUILD/BuildQtRoot is removed. > > > > But to be sure, I always also use 'sudo ldconfig' too. > > OK thanks for the info.
You can always launch a program "prog" by env LD_LIBRARY_PATH=/path/to/mylibs prog to force using the libraries in /path/to/mylibs without tinkering with ld configuration. -- Enrico
