View Full Version : qwt_plot.h: No such file or directory
qt_developer
13th June 2012, 22:34
Hi all,
I have downloaded qwt from http://ignum.dl.sourceforge.net/project/qwt/qwt/6.0.1/qwt-6.0.1.zip
I have build qwt by following the next steps:
1.- qmake qwt.pro
2.- make
3.- make install
Then, I have build the examples:
1.- cd examples
2.- qmake examples.pro
3.- make
But when I try to use qwt in a project I get the next error:
qwt_plot.h: No such file or directory
I have added this line in the .pro file:
CONFIG += qwt
How can I solve the problem?
Best regards.
amleto
13th June 2012, 23:27
have you done this http://doc.qt.nokia.com/4.7/qmake-advanced-usage.html#adding-new-configuration-features?
Otherwise you have to do this
If you don't use qmake you have to add the include path to find the Qwt
headers to your compiler flags and the Qwt library to your linker list.
Don't forget to add QWT_DLL to the compiler flags, when you work with a
Qwt-DLLs on Windows.
http://qwt.sourceforge.net/qwtinstall.html
How much of that guide have you done?
wyjyan
14th June 2012, 07:30
Hi all,
I have downloaded qwt from http://ignum.dl.sourceforge.net/project/qwt/qwt/6.0.1/qwt-6.0.1.zip
I have build qwt by following the next steps:
1.- qmake qwt.pro
2.- make
3.- make install
Then, I have build the examples:
1.- cd examples
2.- qmake examples.pro
3.- make
But when I try to use qwt in a project I get the next error:
I have added this line in the .pro file:
CONFIG += qwt
How can I solve the problem?
Best regards.
Yo
Check if you can execute "make" or something like "mingw32-make"
1.- qmake qwt.pro
2.- make
3.- make install
after these steps
Don't forget to tell qmake where to find qwt.prf:
do this in the same directory path
qmake -set QMAKEFEATURES C:\Qwt-6.0.1\features
or
qmake -set QMAKEFEATURES <Qwt Install Path>\features
if windows then do this
Open System Properties -> Advanced -> Environment Variables
create new user variable "PATH" and set variable value as
C:\Qwt-6.0.1\lib
or
edit existing user variable "PATH" and set variable value as
;C:\Qwt-6.0.1\lib
finally press all OK
If you require custom Qwt widgets to be shown as plugins in Qt Designer
then do this
Open System Properties -> Advanced -> Environment Variables
create new user variable "QT_PLUGIN_PATH" and set variable value as
C:\Qwt-6.0.1\plugins
finally press all OK
Include
CONFIG += qwt
in corresponding project file ( *.pro file )
All done
now Qwt should be working
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