I am having problems in configuring QWT-6.1.2. in QT 4.8.3, Ubuntu 14.04.
But the parse of project output the msg:
/home/v/desenv/vini/Teste_OpenGL_pure/OpenGL_pure/OpenGL_pure: symbol lookup error: /home/v/desenv/vini/Teste_OpenGL_pure/OpenGL_pure/OpenGL_pure: undefined symbol: _ZN15QwtPlotGLCanvasC1EP7QwtPlot
Someone know how fix?
#------------------- MyFile.pro ------------------------------
QT += core gui opengl
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = OpenGL_pure
TEMPLATE = app
SOURCES += main.cpp
HEADERS += main.h
CONFIG += qwt
INCLUDEPATH +="/usr/local/qwt-6.1.2/include"
LIBS += -L/usr/local/qwt-6.1.2/lib -lqwt
include (/usr/local/qwt-6.1.2/features/qwt.prf)
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