[klee-dev] Error when compile coreutils

[Urmas Repinski]

Hi Tomasz

Just googled a little and found some solution - 
http://comments.gmane.org/gmane.comp.compilers.llvm.klee/925


LLVM-LD can't find the libraries it needs to link with. In the is case librt (the realtime library).


Find the location of librt.a on your system and set the LLVM_LIB_SEARCH_PATH variable before you run make.


For example on my system librt is in /usr/lib/ so I would run in my shell


$ export LLVM_LIB_SEARCH_PATH=/usr/lib


Read the manpage of llvm-ld for more information.


That should fix your problem.


Regards,
Dan Liew.


So try to set not export LIBRARY_PATH=/usr/lib/x86_64-linux-gnu, but export LLVM_LIB_SEARCH_PATH=/usr/lib/x86_64-linux-gnu.

Hope this helps,
Urmas Repinski

From: loi.luuthe at gmail.com
Date: Mon, 22 Apr 2013 01:18:37 -0700
To: t.kuchta12 at imperial.ac.uk
CC: klee-dev at imperial.ac.uk
Subject: Re: [klee-dev] Error when compile coreutils

Hi,

I did try it before but it didnt work.

Thanks,


Sent from my Windows Phone
From: Kuchta, Tomasz

Sent: 22/04/2013 14:46
To: Loi Luu

Cc: klee-dev
Subject: Re: [klee-dev] Error when compile coreutils







Hello,



Please also try setting



export LIBRARY_PATH=/usr/lib/x86_64-linux-gnu



Best Regards,



Tomek



On 22 Apr 2013, at 04:32, Loi Luu <loi.luuthe at gmail.com> wrote:


Dear all,



I got the same error in this thread http://keeda.stanford.edu/pipermail/klee-dev/2012-September/000925.html, and I follow the solution that Dan Liew suggested but it
 still gave me the same error.



For more specific, firstly I located the librt.a

locate librt.a 
/home/turtle/klee-uclibc/lib/librt.a
/usr/lib/x86_64-linux-gnu/librt.a



So I add the latter address to path: 



export LLVM_LIB_SEARCH=/usr/lib/x86_64-linux-gnu




After running make, I still got the error

/home/turtle/klee/scripts/klee-gcc  -g  -Wl,--as-needed -o chown chown.o chown-core.o ../lib/libcoreutils.a  ../lib/libcoreutils.a 
/home/turtle/klee/scripts/klee-gcc  -I. -I../../src -I../lib  -I../../lib   -g -MT chmod.o -MD -MP -MF .deps/chmod.Tpo -c -o chmod.o ../../src/chmod.c
mv -f .deps/chmod.Tpo .deps/chmod.Po
/home/turtle/klee/scripts/klee-gcc  -g  -Wl,--as-needed -o chmod chmod.o ../lib/libcoreutils.a  ../lib/libcoreutils.a 
/home/turtle/klee/scripts/klee-gcc  -I. -I../../src -I../lib  -I../../lib   -g -MT cp.o -MD -MP -MF .deps/cp.Tpo -c -o cp.o ../../src/cp.c
mv -f .deps/cp.Tpo .deps/cp.Po
/home/turtle/klee/scripts/klee-gcc  -I. -I../../src -I../lib  -I../../lib   -g -MT copy.o -MD -MP -MF .deps/copy.Tpo -c -o copy.o ../../src/copy.c
mv -f .deps/copy.Tpo .deps/copy.Po
/home/turtle/klee/scripts/klee-gcc  -I. -I../../src -I../lib  -I../../lib   -g -MT cp-hash.o -MD -MP -MF .deps/cp-hash.Tpo -c -o cp-hash.o ../../src/cp-hash.c
mv -f .deps/cp-hash.Tpo .deps/cp-hash.Po
/home/turtle/klee/scripts/klee-gcc  -g  -Wl,--as-needed -o cp cp.o copy.o cp-hash.o ../lib/libcoreutils.a  ../lib/libcoreutils.a    
/home/turtle/klee/scripts/klee-gcc  -I. -I../../src -I../lib  -I../../lib   -g -MT dd.o -MD -MP -MF .deps/dd.Tpo -c -o dd.o ../../src/dd.c
mv -f .deps/dd.Tpo .deps/dd.Po
/home/turtle/klee/scripts/klee-gcc  -g  -Wl,--as-needed -o dd dd.o ../lib/libcoreutils.a  ../lib/libcoreutils.a -lrt  
llvm-ld: error: Cannot find library 'rt'
make[3]: *** [dd] Error 1
make[3]: Leaving directory `/home/turtle/coreutils-6.11/obj-llvm/src'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/turtle/coreutils-6.11/obj-llvm/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/turtle/coreutils-6.11/obj-llvm'
make: *** [all] Error 2





Does anyone know what caused this error?



Thank you,
-- 


Loi, Luu The (Mr.)
University of  Engineering and Technology, Vietnam National University, Hanoi.



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