ddinf libraries

[giusepped]

I would give another chance to QtCreator.
I have some libraries to add to the project.
I added into the source project .pro.
I also added the variable name QWT by using the Project menu.
But when I start the compilation, many errors appear: the compiler do not find the libraries and the include files of the library.
What is that?
(For instance, the library is QT).
With mingw fram the shell, no problem

[SamT]

I use Qt Creator + Mingw + Qwt.

Here are some lines which I put into my pro file which works fine for me.

VER_MAJ = 5
RELEASE_SUFFIX = 
DEBUG_SUFFIX = d
CONFIG(debug, debug|release):SUFFIX_STR = $${DEBUG_SUFFIX}
else:SUFFIX_STR = $${RELEASE_SUFFIX}
QWTLIB = qwt$${SUFFIX_STR}$${VER_MAJ}
win32-g++:LIBS += -L../../qwtlib -l$${QWTLIB}

VER_MAJ = 5
RELEASE_SUFFIX = 
DEBUG_SUFFIX = d
CONFIG(debug, debug|release):SUFFIX_STR = $${DEBUG_SUFFIX}
else:SUFFIX_STR = $${RELEASE_SUFFIX}
QWTLIB = qwt$${SUFFIX_STR}$${VER_MAJ}
win32-g++:LIBS += -L../../qwtlib -l$${QWTLIB}

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