Problem with linking OpenAL in Qt Creator under Windows

[Emedion]

Hi all,
I've wasted many time to search how I should configure my Qt Creator to link OpenAL in my application so I try with posting my problem right here.

Well my problem is very simple:
I have Qt Creator 2.0.1 with Qt 4.7 and Windows 7 x64 and haven't got any problem before trying to link OpenAL.
I saw that I have to add my library to "LIBS" in my .pro file. So here is my .pro:

QT       += core gui
TARGET = OpenALTest
TEMPLATE = app
SOURCES += main.cpp\
        mainwindow.cpp
HEADERS  += mainwindow.h\
            sndfile.h
FORMS    += mainwindow.ui
INCLUDEPATH += C:/OpenALSDK/include
LIBS    += -LC:/Qt/2010.05/qt/OpenALTest/ -lsndfile-1 \
           -LC:/OpenALSDK/libs/ -lopenal32

QT       += core gui
TARGET = OpenALTest
TEMPLATE = app
SOURCES += main.cpp\
        mainwindow.cpp
HEADERS  += mainwindow.h\
            sndfile.h
FORMS    += mainwindow.ui
INCLUDEPATH += C:/OpenALSDK/include
LIBS    += -LC:/Qt/2010.05/qt/OpenALTest/ -lsndfile-1 \
           -LC:/OpenALSDK/libs/ -lopenal32

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I downloaded OpenAL SDK which is composed (especially) of .h file that I include and an OpenAL32.lib file which I mention in my "LIBS" configuration variable.

The result I have is:
C:\Qt\2010.05\qt\OpenALTest-build-desktop/../OpenALTest/mainwindow.cpp:31: undefined reference to `_imp__alcOpenDevice'
C:\Qt\2010.05\qt\OpenALTest-build-desktop/../OpenALTest/mainwindow.cpp:39: undefined reference to `_imp__alcCreateContext'
C:\Qt\2010.05\qt\OpenALTest-build-desktop/../OpenALTest/mainwindow.cpp:47: undefined reference to `_imp__alcMakeContextCurrent'
...

I believe that my code won't help you because it's just a link problem but ask me if necessary.
I also tried with this:

LIBS    += -LC:/Qt/2010.05/qt/OpenALTest/ -lsndfile-1 \
           -LC:/OpenALSDK/libs/OpenAL32.lib

LIBS    += -LC:/Qt/2010.05/qt/OpenALTest/ -lsndfile-1 \
           -LC:/OpenALSDK/libs/OpenAL32.lib

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and

LIBS    += -LC:/Qt/2010.05/qt/OpenALTest/ -lsndfile-1 \
           C:/OpenALSDK/libs/OpenAL32.lib

LIBS    += -LC:/Qt/2010.05/qt/OpenALTest/ -lsndfile-1 \
           C:/OpenALSDK/libs/OpenAL32.lib

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May someone help me?

Thx

[franco.amato]

Hi,
I suggest to you to use fmodex instead of OpenAL ( I'm using it without problems building an audio editor ).
Regards

[Emedion]

Well I've read Wikipedia's description about this library.
As it's written, this library is free to use for personal usage only but my project is a professional free project.
OpenAL is very simple to use and seems to be a good library but I've just a problem to link it in a Qt Creator project.
Any other suggestion?

[Emedion]

I recently fixed the problem.
This works:

LIBS += C:/OpenALSDK/libs/OpenAL32.lib \
C:/Qt/2010.05/qt/OpenALTest/libsndfile-1.lib

LIBS += C:/OpenALSDK/libs/OpenAL32.lib \
C:/Qt/2010.05/qt/OpenALTest/libsndfile-1.lib

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I don't really understand why it works but it works. It might be a problem using back-slashes and slashes....