getting error:ld returned 1 exit status(using Ubuntu 10.04,Qt Creator 4.7)

[subhash.rao]

Hi,
I am new to this forum,I am developing a project which includes member-function of class present in a static library..Heres the code

//.pro file
#-------------------------------------------------
#
# Project created by QtCreator 2011-02-23T22:43:47
#
#-------------------------------------------------
 
QT       += core
 
QT       -= gui
 
TARGET = testing
CONFIG   += console
CONFIG   -= app_bundle
 
TEMPLATE = app
 
 
SOURCES += main.cpp
 
INCLUDEPATH += /opt/apogee/include
 
LIBS += /opt/apogee/include

//.pro file
#-------------------------------------------------
#
# Project created by QtCreator 2011-02-23T22:43:47
#
#-------------------------------------------------

QT       += core

QT       -= gui

TARGET = testing
CONFIG   += console
CONFIG   -= app_bundle

TEMPLATE = app


SOURCES += main.cpp

INCLUDEPATH += /opt/apogee/include

LIBS += /opt/apogee/include

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//main.cpp
#include <QtCore/QCoreApplication>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "fitsio.h"
#include<math.h>
#include <unistd.h>
#include <time.h>
#include "tcl.h"
#include "ApogeeUsb.h"
#include "ApnCamera.h"
double as;
bool asd,cond;
 
namespace x
{
 CApnCamera *al;
};
 
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
            as=0.5;
            cond=true;
            unsigned long p=0,r=0;
            unsigned short q=0;
            using namespace x;
            asd=al->InitDriver(p,q,r);
            asd=al->Expose(as,cond);
            if(asd)
                    printf("Initialized Properly");
 
    return a.exec();
}

//main.cpp
#include <QtCore/QCoreApplication>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "fitsio.h"
#include<math.h>
#include <unistd.h>
#include <time.h>
#include "tcl.h"
#include "ApogeeUsb.h"
#include "ApnCamera.h"
double as;
bool asd,cond;

namespace x
{
 CApnCamera *al;
};

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
            as=0.5;
            cond=true;
            unsigned long p=0,r=0;
            unsigned short q=0;
            using namespace x;
            asd=al->InitDriver(p,q,r);
            asd=al->Expose(as,cond);
            if(asd)
                    printf("Initialized Properly");

    return a.exec();
}

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I am getting the following errors in build issues
:: error: /opt/apogee/include: No such file: File format not recognized
:: error: collect2: ld returned 1 exit status

and these errors in compile output

g++ -Wl,-rpath,/home/subhash/qtsdk-2010.05/qt/lib -o testing main.o -L/home/subhash/qtsdk-2010.05/qt/lib /opt/apogee/include -lQtCore -L/home/subhash/qtsdk-2010.05/qt/lib -lpthread
/usr/bin/ld: /opt/apogee/include: No such file: File format not recognized
collect2: ld returned 1 exit status
make: *** [testing] Error 1
make: Leaving directory `/home/subhash/testing-build-desktop'
The process "/usr/bin/make" exited with code %2.
Error while building project testing (target: Desktop)
When executing build step 'Make'

Can anyone please help me?
Thanking in advance

[tbscope]

LIBS += /opt/apogee/include

LIBS += /opt/apogee/include

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That is not correct. You tell the linker to link to a directory.
You should tell the linker to link to a library instead.

[subhash.rao]

LIBS += /opt/apogee/include

LIBS += /opt/apogee/include

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That is not correct. You tell the linker to link to a directory.
You should tell the linker to link to a library instead.

Thanks for the reply
If i give

LIBS += /opt/apogee/include/ApnCamera.h

LIBS += /opt/apogee/include/ApnCamera.h

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i am getting the following error in build issues
:: error: [main.o] Error 1

and in compile output i get

g++ -c -pipe -g -Wall -W -D_REENTRANT -DQT_CORE_LIB -DQT_SHARED -I../qtsdk-2010.05/qt/mkspecs/linux-g++ -I../testing -I../qtsdk-2010.05/qt/include/QtCore -I../qtsdk-2010.05/qt/include -I/opt/apogee/include/ApnCamera.h -I. -I../testing -I. -o main.o ../testing/main.cpp
cc1plus: error: /opt/apogee/include/ApnCamera.h: not a directory
make: *** [main.o] Error 1
make: Leaving directory `/home/subhash/testing-build-desktop'
The process "/usr/bin/make" exited with code %2.
Error while building project testing (target: Desktop)
When executing build step 'Make'

Please help me out.

[tbscope]

LIBS += /opt/apogee/include/ApnCamera.h

LIBS += /opt/apogee/include/ApnCamera.h

To copy to clipboard, switch view to plain text mode 

That is not correct. You tell the linker to link to an include file.
You should tell the linker to link to a library instead.

[subhash.rao]

LIBS += /opt/apogee/include/ApnCamera.h

LIBS += /opt/apogee/include/ApnCamera.h

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That is not correct. You tell the linker to link to an include file.
You should tell the linker to link to a library instead.

There are many .so and .a files in /opt/apogee/lib..Is there any way to find out which is the one that should be use.