* In emacs, gdb says "cannot open shared object file"
@ 2009-05-31 16:18 Mihai Vasilian
2009-06-01 5:19 ` Nick Roberts
0 siblings, 1 reply; 4+ messages in thread
From: Mihai Vasilian @ 2009-05-31 16:18 UTC (permalink / raw)
To: help-gnu-emacs
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Hi all,
I ran into a problem recently with emacs and gdb, and right now I am looking
for some help, posting here.
I compiled one program and one shared library in their coresponding
$MYPATH/prg/src and $MYPATH/misc/src folders.
I set in ~/.bashrc the variable LD_LIBRARY_PATH to point to $MYPATH/misc/src
folder where libmisc.so is saved.
I open console and run: gdb prg and everything goes fine.
I started to work with emacs recently and I go with: M-x gdb , gdb prg ,
and then break main, and run.
I get the following error message:
Starting program: /mnt/sda5/Programming/prg/src/prg
/mnt/sda5/Programming/prg/src/prg: error while loading shared libraries:
libmisc.so: cannot open shared object file: No such file or directory
If this (my fist post) on list is not the appropiate thing to find a
solution to my problem, please advice.
vmihai.
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^ permalink raw reply [flat|nested] 4+ messages in thread
* In emacs, gdb says "cannot open shared object file"
2009-05-31 16:18 In emacs, gdb says "cannot open shared object file" Mihai Vasilian
@ 2009-06-01 5:19 ` Nick Roberts
2009-06-01 9:13 ` Mihai Vasilian
0 siblings, 1 reply; 4+ messages in thread
From: Nick Roberts @ 2009-06-01 5:19 UTC (permalink / raw)
To: Mihai Vasilian; +Cc: help-gnu-emacs
> I get the following error message:
> Starting program: /mnt/sda5/Programming/prg/src/prg
> /mnt/sda5/Programming/prg/src/prg: error while loading shared libraries:
> libmisc.so: cannot open shared object file: No such file or directory
It doesn't sound like in Emacs problem. Does
ldd /mnt/sda5/Programming/prg/src/prg
find libmisc.so?
What happens if you run gdb from the command line? If you start Emacs from
the desktop, LD_LIBRARY_PATH might not be set.
$MYPATH/prg/src and $MYPATH/misc/src look like src folders. It's usual to
to put executables and shared objects in bin and lib directories respectively.
--
Nick http://www.inet.net.nz/~nickrob
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: In emacs, gdb says "cannot open shared object file"
2009-06-01 5:19 ` Nick Roberts
@ 2009-06-01 9:13 ` Mihai Vasilian
2009-06-02 7:14 ` Alberto Luaces
0 siblings, 1 reply; 4+ messages in thread
From: Mihai Vasilian @ 2009-06-01 9:13 UTC (permalink / raw)
To: Nick Roberts; +Cc: help-gnu-emacs
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2009/6/1 Nick Roberts <nickrob@snap.net.nz>
> > I get the following error message:
> > Starting program: /mnt/sda5/Programming/prg/src/prg
> > /mnt/sda5/Programming/prg/src/prg: error while loading shared libraries:
> > libmisc.so: cannot open shared object file: No such file or directory
>
> It doesn't sound like in Emacs problem. Does
>
> ldd /mnt/sda5/Programming/prg/src/prg
>
> find libmisc.so?
>
> What happens if you run gdb from the command line? If you start Emacs from
> the desktop, LD_LIBRARY_PATH might not be set.
>
> $MYPATH/prg/src and $MYPATH/misc/src look like src folders. It's usual to
> to put executables and shared objects in bin and lib directories
> respectively.
>
> --
> Nick
> http://www.inet.net.nz/~nickrob <http://www.inet.net.nz/%7Enickrob>
With LD_LIBRARY_PATH set in ~/.bashrc , gdb was loading misc library when
started from console.
However when started from emacs , as well as from kdevelop, it was not
loading misc
I solved it by adding to my .gdbinit
set solib-search-path /mnt/sda5/Programming/misc/src
It works also if I add to my prg's Makefile
g++ .... -lmisc -Wl,-rpath=/mnt/sda5/Programming/misc/src
I see now it was a gdb issue, not an emacs or kdevelop one.
Thanks again.
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2009-05-31 16:18 In emacs, gdb says "cannot open shared object file" Mihai Vasilian
2009-06-01 5:19 ` Nick Roberts
2009-06-01 9:13 ` Mihai Vasilian
2009-06-02 7:14 ` Alberto Luaces
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