qmake set install directory

Question

I'm trying to build Qwt to a custom location. The obvious thing to try is a PREFIX option, but it had no effect and the make install still failed:

$ qmake qwt.pro PREFIX='/my/path'
$ make
$ make install
mkdir: cannot create directory `/usr/local/qwt-5.2.3': Permission denied

There seem to be numerous other questions and answers to this question, which also have no effect and fail:

How to change qmake PREFIX location: qmake -set prefix '/my/path'
How can the install path be set for a qt project: make; INSTALL_ROOT=/my/path; make install

Any other suggestions?

QMake version 2.01a
Using Qt version 4.5.3 in /opt/Qt4/4.5.2/qtsdk-2009.04/qt/lib
RHEL 5.10

Have you seen this question: [Qt project files and PREFIX variable](http://stackoverflow.com/q/7106442/26449) ? — Bill, Dec 09 '13 at 16:15
@Bill Yep. Seems like more of a solution for someone *writing* a qmake script, but I guess it could do. Where do I put that bit of code? In the `qwt.pro` file? (BTW, I don't have any *need* to use `PREFIX`. Isn't there some other environmental variable or command flag that doesn't require editing the provided script?) — jmilloy, Dec 09 '13 at 16:33
I found this page: [Installing Qwt](http://qwt.sourceforge.net/qwtinstall.html#INSTALL). Looks like the default path (/usr/local/qwt-5.2.3) can be changed in a file called `qwtconfig.pri`. — Bill, Dec 09 '13 at 16:45

score 1 · Accepted Answer · answered Dec 10 '13 at 05:47

1

Try to edit the qwtconfig.pri file in the source directory, it has the installation path hardcoded for different platforms, as well as many other options you might want to change.

answered Dec 10 '13 at 05:47

George Y.

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qmake set install directory

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