19 Jun
2007
19 Jun
'07
2:23 p.m.
Hi,
I'm trying to build QLoud 0.22 and I can't get pass this error:
/usr/bin/ld: cannot find -lqwt
collect2: ld returned 1 exit status
I built and installed the latest version of qwt and set the
LD_LIBRARY_PATH and also set the right path to the library in
/etc/ld.so.conf.d and still ld can't find it. I'll appreciate any help
here.
Thanks!
Hector
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===============================
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19 Jun
19 Jun
2:34 p.m.
On 19 June 2007 at 14:23, "Hector Centeno" <hcengar(a)gmail.com> wrote:
I'm trying to build QLoud 0.22 and I can't get
pass this error:
/usr/bin/ld: cannot find -lqwt
collect2: ld returned 1 exit status
Do you have the *development* libraries for libqwt installed? On my
Mandriva 2007.0 system the rpm package name would be libqwt4-devel
and this is in the "contrib" repositories.
I built and installed the latest version of qwt and
set the
LD_LIBRARY_PATH and also set the right path to the library in
/etc/ld.so.conf.d and still ld can't find it. I'll appreciate any help
here.
LD_LIBRARY_PATH affects how a program links when it executes, not
how it builds, or so I believe. -L/dir/where/lib/is as part of
LDFLAGS could be useful to you.
Good luck....
--
Kevin
"The most amazing achievement of the computer software industry is its
continuing cancellation of the steady and staggering gains made by the
computer hardware industry...", Henry Petroski [can you say "Windows"?]
2:51 p.m.
======= On Tuesday 19 June 2007, Hector Centeno wrote: =======
Hi,
I'm trying to build QLoud 0.22 and I can't get pass this error:
/usr/bin/ld: cannot find -lqwt
collect2: ld returned 1 exit status
I built and installed the latest version of qwt and set the
LD_LIBRARY_PATH and also set the right path to the library in
/etc/ld.so.conf.d and still ld can't find it. I'll appreciate any help
here.
Thanks!
Hector
Is Qwt 5.x installed against Qt 4.x? If you can build Qwt examples
using 'qmake' from Qt 4.x, you will be able to build QLoud also.
3:06 p.m.
Thank you for your responses.
Yes, I built Qwt against Qt 4 using /usr/lib/qt4/bin/qmake in Fedora 7
(the qwt package in the Fedora 7 repository is an older version so I
uninstalled it and downloaded the lates Qwt source). I tried building
some of the Qwt examples included with the source and they built and
ran without any problems, but still I get the same ld error trying to
build QLoud.
Hector
On 6/19/07, Andrew Gaydenko <a(a)gaydenko.com> wrote:
======= On Tuesday 19 June 2007, Hector Centeno wrote:
=======
--
===============================
http://www.hcenteno.net
Hi,
I'm trying to build QLoud 0.22 and I can't get pass this error:
/usr/bin/ld: cannot find -lqwt
collect2: ld returned 1 exit status
I built and installed the latest version of qwt and set the
LD_LIBRARY_PATH and also set the right path to the library in
/etc/ld.so.conf.d and still ld can't find it. I'll appreciate any help
here.
Thanks!
Hector
Is Qwt 5.x installed against Qt 4.x? If you can build Qwt examples
using 'qmake' from Qt 4.x, you will be able to build QLoud also.
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3:12 p.m.
Do you have a configure option to set the qwt library path
to /usr/local/lib...? Or one can place it in a LDFLAGS=-l/usr/local/lib... ?
Thank you for your responses.
Yes, I built Qwt against Qt 4 using /usr/lib/qt4/bin/qmake in Fedora 7
(the qwt package in the Fedora 7 repository is an older version so I
uninstalled it and downloaded the lates Qwt source). I tried building
some of the Qwt examples included with the source and they built and
ran without any problems, but still I get the same ld error trying to
build QLoud.
Hector
On 6/19/07, Andrew Gaydenko <a(a)gaydenko.com> wrote:
> ======= On Tuesday 19 June 2007, Hector Centeno wrote: =======
>
> > Hi,
> >
> > I'm trying to build QLoud 0.22 and I can't get pass this error:
> >
> > /usr/bin/ld: cannot find -lqwt
> > collect2: ld returned 1 exit status
> >
> > I built and installed the latest version of qwt and set the
> > LD_LIBRARY_PATH and also set the right path to the library in
> > /etc/ld.so.conf.d and still ld can't find it. I'll appreciate any help
> > here.
> >
> > Thanks!
> >
> > Hector
>
> Is Qwt 5.x installed against Qt 4.x? If you can build Qwt examples
> using 'qmake' from Qt 4.x, you will be able to build QLoud also.
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user(a)lists.linuxaudio.org
> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
3:31 p.m.
Yes, I tried exporting LDFLAGS=-L/usr/local/qwt-5.0.2/lib (that's
where the qwt libs are) and still same problem.
Hector
On 6/19/07, David Baron <d_baron(a)012.net.il> wrote:
Do you have a configure option to set the qwt library
path
to /usr/local/lib...? Or one can place it in a LDFLAGS=-l/usr/local/lib... ?
--
===============================
http://www.hcenteno.net
Thank you for your responses.
Yes, I built Qwt against Qt 4 using /usr/lib/qt4/bin/qmake in Fedora 7
(the qwt package in the Fedora 7 repository is an older version so I
uninstalled it and downloaded the lates Qwt source). I tried building
some of the Qwt examples included with the source and they built and
ran without any problems, but still I get the same ld error trying to
build QLoud.
Hector
On 6/19/07, Andrew Gaydenko <a(a)gaydenko.com> wrote:
> ======= On Tuesday 19 June 2007, Hector Centeno wrote: =======
>
> > Hi,
> >
> > I'm trying to build QLoud 0.22 and I can't get pass this error:
> >
> > /usr/bin/ld: cannot find -lqwt
> > collect2: ld returned 1 exit status
> >
> > I built and installed the latest version of qwt and set the
> > LD_LIBRARY_PATH and also set the right path to the library in
> > /etc/ld.so.conf.d and still ld can't find it. I'll appreciate any help
> > here.
> >
> > Thanks!
> >
> > Hector
>
> Is Qwt 5.x installed against Qt 4.x? If you can build Qwt examples
> using 'qmake' from Qt 4.x, you will be able to build QLoud also.
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user(a)lists.linuxaudio.org
> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
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20 Jun
20 Jun
12:41 a.m.
Thanks! That did it. I just added:
LFLAGS = -L/usr/local/qwt-5.0.2/lib
to the src/Makefile and it built.
Cheers!
Hector
On 6/19/07, Andrew Gaydenko <a(a)gaydenko.com> wrote:
======= On Tuesday 19 June 2007, Hector Centeno wrote:
=======
--
===============================
http://www.hcenteno.net
Yes, I tried exporting
LDFLAGS=-L/usr/local/qwt-5.0.2/lib (that's
where the qwt libs are) and still same problem.
Hector
Have you tried to look at LIBS string inside qmake-generated src/Makefile?
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8:04 a.m.
======= On Wednesday 20 June 2007, Hector Centeno wrote: =======
Thanks! That did it. I just added:
LFLAGS = -L/usr/local/qwt-5.0.2/lib
to the src/Makefile and it built.
Cheers!
Hector
Hector,
Will you be so kind to report a concrete Qt4 version you are using?
The thing is, v.0.22 was released to work with Qt v.4.3.0, and I had
not a chance to try QLoud v.0.22 with earlier Qt 4.x versions.
Thanks!
9:04 a.m.
Andrew.
Fedora 7 has Qt v.4.3.0 too.
Thank you for this useful tool!
Hector
On 6/20/07, Andrew Gaydenko <a(a)gaydenko.com> wrote:
======= On Wednesday 20 June 2007, Hector Centeno
wrote: =======
--
===============================
http://www.hcenteno.net
Thanks! That did it. I just added:
LFLAGS = -L/usr/local/qwt-5.0.2/lib
to the src/Makefile and it built.
Cheers!
Hector
Hector,
Will you be so kind to report a concrete Qt4 version you are using?
The thing is, v.0.22 was released to work with Qt v.4.3.0, and I had
not a chance to try QLoud v.0.22 with earlier Qt 4.x versions.
Thanks!
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8:08 a.m.
I had similar problems with building some software. Kfreeflight was an
example. I had an Sid-installed plib which would not link so a compiled my
own local version. Problem was that the configure was too crafty for it own
good :-)
Try LFLAGS=/usr/local/lib -- maybe the configure knows to put the qwt in
itself. Maybe even just /usr/local.
All else failing, this is what I had to do: The big g++ or ld command that
fails with -lqwt not found--run make in konsole (KDE xterm+) or such and COPY
that command! What you may find is something like:
... -L/usr/lib..... -L/usr/local/lib... ...... -L/usr/lib .... -lqwt ....
You can guess what has happened :-)
Go into the last directory in the make, usually src. Paste the command and
either, depending on what follows the -lqwt, delete the -L/usr/lib or move it
after -lqwt and any other local stuff. HIt return to run the command. if this
works now, go back out to the main directory, run make to finish off.
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10 comments
4 participants
participants (4)
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Andrew Gaydenko -
David Baron -
Hector Centeno -
Kevin Cosgrove