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qwt compile error under OSX - note for Larry
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@timlinux
timlinux committed Jan 27, 2013
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Expand Up @@ -527,7 +527,31 @@ cd <Qwt 6.x.x source directory>
qmake -spec macx-g++
make -j [#cpus]
sudo make install
```

**TODO:** Remedy for :

```
shrub:qwt-6.1-rc3 timlinux$ sudo make install
Password:
cd src/ && make -f Makefile install
rm -f -r "/usr/local/qwt-6.1.0-rc3/lib/qwt.framework"
cp -f -R "../lib/qwt.framework" "/usr/local/qwt-6.1.0-rc3/lib/qwt.framework"
cp -f -R /Users/timlinux/dev/cpp/qwt-6.1-rc3/doc/html /usr/local/qwt-6.1.0-rc3/doc/
cp -f -R /Users/timlinux/dev/cpp/qwt-6.1-rc3/doc/man /usr/local/qwt-6.1.0-rc3/doc/
cd textengines/ && make -f Makefile install
make[1]: Nothing to be done for `install'.
cd designer/ && make -f Makefile install
rm -f libqwt_designer_plugin.dylib
linking plugins/designer/libqwt_designer_plugin.dylib
ld: library not found for -lqwt
collect2: ld returned 1 exit status
make[1]: *** [plugins/designer/libqwt_designer_plugin.dylib] Error 1
make: *** [sub-designer-install_subtargets-ordered] Error 2
```


```
sudo install_name_tool -id /usr/local/qwt-6.0.1/lib/qwt.framework/Versions/6/qwt \
/usr/local/qwt-6.0.1/lib/qwt.framework/Versions/6/qwt
```
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3 comments on commit 247c2db

@dakcarto
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Hi Tim,

That's a known problem with 6.0.2 and latest 6.1 branch:
http://sourceforge.net/mailarchive/forum.php?thread_name=5102569A.3030509%40tigertal.de&forum_name=qwt-interest

I looked into it, but don't know enough about building frameworks using Qt .pro files to offer a fix. Maybe William can help out?

I have had no problems compiling 6.0.1, and John Tull reports 5.2.3 also works well and is the most compatible with existing plugins (I've not tested). This is why the INSTALL notes are in their current state concerning Qwt.

@timlinux
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@timlinux timlinux commented on 247c2db Jan 28, 2013 via email

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@kyngchaos
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I think I see what happened (assuming 6.0.1 does compile, I didn't go that far) - in 6.0.2 they added a functions include, which redefines 2 qmake functions. 1 is an exact duplicate of what I have for Qt 4.8.4, but the other, qtAddLibrary(), removes most of the platform-specific stuff, like how to link a framework. Thus linking the newly compiled QWt framework to qwt designer fails because it doesn't know how to link a framework.

Either remove the qwtfunctions.pri references from .pr* files (maybe they are trying to fix some supposed qmake bug?), or remove the QwtFramework setting from the end of qwtconfig.pri (my instructions assume dylib configuration, not framework).

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