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2010.05.02 11:39 "Re: qmake (Qt) and libtiff "undefined symbols" problem on mac (snow leopard).", by <hotdog.sun@gmail.com>
Hi Chris,
Can you provide some more info on how to build libtiff on my 64 bit machine?
I could not find the options in the "configure" step.
Thank you.
Dave
On Sat, May 1, 2010 at 10:51 PM, Chris Cox <ccox@adobe.com> wrote:
> The important line would be "ld: warning: in /usr/local/lib/libtiff.dylib,
> file is not of required architecture"
> You have a libtiff that isn't compiled for your architecture.
> (probably 32 bit when you need 64, or vice versa)
>
> Chris
>
>
> ________________________________________
> From: tiff-bounces@lists.maptools.org [tiff-bounces@lists.maptools.org] On
> Behalf Of Dave Sun [hotdog.sun@gmail.com]
> Sent: Saturday, May 01, 2010 6:54 PM
> To: tiff@lists.maptools.org
> Subject: [Tiff] qmake (Qt) and libtiff "undefined symbols" problem on mac
> (snow leopard).
>
> Dear folks,
>
> I have problems using qmake to compile my simplest libtiff program. Here
> are the information about my system.
>
> computer: Darwin Darwin Kernel Version 10.2.0: Tue Nov 3 10:37:10 PST
> 2009; root:xnu-1486.2.11~1/RELEASE_I386 i386
> Qt version: Qt 4.6.2
> libtiff version: 3.9.2
> operating system: snow leopard.
> Simplest program:
>
> #include <QtCore/QCoreApplication>
> #include "tiff.h"
> #include "tiffio.h"
> #include <iostream>
>
> int main(int argc, char *argv[])
> {
> //QCoreApplication a(argc, argv);
> TIFF* tif = TIFFOpen("foo.tif", "r");
> if(tif == NULL)
> std::cout << "could not open the file";
> TIFFClose(tif);
> //return a.exec();
> std::cout << "hello";
> return 0;
> }
>
> my pro file:
>
> QT -= gui
> TARGET = libtiffSimpleTest
> CONFIG += console
> CONFIG -= app_bundle
> TEMPLATE = app
> LIBS += -ltiff
> SOURCES += main.cpp
>
> I used Qt creator as my IDE. When I run compiling program I got the
> following error:
>
>
> ld: warning: in /usr/local/lib/libtiff.dylib, file is not of required
> architecture
>
> Undefined symbols:
>
> "_TIFFOpen", referenced from:
>
> _main in main.o
>
> ld: symbol(s) not found
>
> collect2: ld returned 1 exit status
>
> make: *** [libtiffSimpleTest] Error 1
>
>
> However, when I just use the following:
>
> g++ main.cpp -ltiff
>
>
> It works well. What is the problem here?
>
>
>
> Thank you.
>
> Dave
>
>