Re: [LTP] "check_for_unshare.c" build failed

["Mitani" <mitani@ryobi.co.jp>]

Hi, Rishikesh


I tried to build again with recent git today and I could build.

I neglected attention and did not notice new git.

I'm sorry and thank you for your information!


-Tomonori Mitani


> -----Original Message-----
> From: Rishikesh K Rajak [mailto:risrajak@linux.vnet.ibm.com]
> Sent: Wednesday, March 10, 2010 7:49 PM
> To: Mitani
> Cc: ltp-list@lists.sourceforge.net
> Subject: Re: [LTP] "check_for_unshare.c" build failed
> 
> Hi Mitani,
> 
> I am able to compile with changing LDLIBS as done by commit
> : 1a5506c97dcfda0bd16f83ca855bb633c47eea4c
> 
> on RHEL5.4 .
> 
> Can you try configuring once again ?
> 
> Let me know when you face again some prob.
> 
> -Rishi
> 
> On Wed, Mar 10, 2010 at 06:19:20PM +0900, Mitani wrote:
> > Hi,
> >
> >
> > I tried to build LTP modules from following git:
> >
> >    "Fix make filed,, reported by Shi Weihua <shiwh@cn.fujitsu.com>"
> >    (ltp-dev-c962f51674b971496e14ac4be0cc75da98b75fca.tar.gz)
> >
> > But I failed to build "check_for_unshare.c" in RHEL5.4 system
> > (2.6.18-164.el5).
> >
> > ------------
> > <...>
> > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall
> -I../../../include
> > -I../../../include   -L../../../lib  check_for_unshare.c   -o
> > check_for_unshare
> > /tmp/ccWzyOQO.o: In function `main':
> >
> /home/mitani/LTP/ltp-dev-20100310/testcases/kernel/containers/chec
> k_for_unsh
> > are.c:40: undefined reference to `dlopen'
> >
> /home/mitani/LTP/ltp-dev-20100310/testcases/kernel/containers/chec
> k_for_unsh
> > are.c:46: undefined reference to `dlerror'
> >
> /home/mitani/LTP/ltp-dev-20100310/testcases/kernel/containers/chec
> k_for_unsh
> > are.c:47: undefined reference to `dlsym'
> >
> /home/mitani/LTP/ltp-dev-20100310/testcases/kernel/containers/chec
> k_for_unsh
> > are.c:48: undefined reference to `dlerror'
> >
> /home/mitani/LTP/ltp-dev-20100310/testcases/kernel/containers/chec
> k_for_unsh
> > are.c:53: undefined reference to `dlclose'
> >
> /home/mitani/LTP/ltp-dev-20100310/testcases/kernel/containers/chec
> k_for_unsh
> > are.c:42: undefined reference to `dlerror'
> > collect2: ld returned 1 exit status
> > make[3]: *** [check_for_unshare] Error 1
> > <...>
> > ------------
> >
> >
> > I think that "-ldl" is needed in options.
> > I tried to build using "-ldl" option and succeeded.
> >
> > ------------
> > [root@RHEL54-INTEL64-GUIDE-APDB2-AP containers]# gcc -g -O2 -g -O2
> -ldl
> > -fno-strict-aliasi
> > ng -pipe -Wall  -I../../../include -I../../../include
> -L../../../lib
> > check_for_unshare.
> > c   -o check_for_unshare
> > [root@RHEL54-INTEL64-GUIDE-APDB2-AP containers]# echo $?
> > 0
> > [root@RHEL54-INTEL64-GUIDE-APDB2-AP containers]# ll
> > total 60
> > -rw-rw-r-- 1 root root  1396 Mar 10 01:23 Makefile
> > -rw-rw-r-- 1 root root  1386 Mar 10 01:23 Makefile.inc
> > -rw-rw-r-- 1 root root  3286 Mar 10 01:23 README
> > -rw-rw-r-- 1 root root  1451 Mar 10 01:23 TEST_PLAN.txt
> > -rwxr-xr-x 1 root root 10805 Mar 10 15:18 check_for_unshare
> > -rw-rw-r-- 1 root root  1634 Mar 10 01:23 check_for_unshare.c
> > -rwxrwxr-x 1 root root  1712 Mar 10 01:23 container_test.sh
> > drwxrwxr-x 2 root root  4096 Mar 10 10:42 libclone
> > drwxrwxr-x 2 root root  4096 Mar 10 01:23 mqns
> > drwxrwxr-x 2 root root  4096 Mar 10 01:23 netns
> > drwxrwxr-x 2 root root  4096 Mar 10 01:23 pidns
> > drwxrwxr-x 2 root root  4096 Mar 10 01:23 sysvipc
> > drwxrwxr-x 2 root root  4096 Mar 10 01:23 utsname
> > [root@RHEL54-INTEL64-GUIDE-APDB2-AP containers]#
> > ------------
> >
> >
> > How about changing Makefile as follows?
> >
> > ============
> > --- ./testcases/kernel/containers/Makefile      2010-03-10
> > 01:23:25.000000000 +0900
> > +++ ./testcases/kernel/containers/Makefile.new  2010-03-10
> > 15:27:20.000000000 +0900
> > @@ -28,6 +28,8 @@
> >
> >  LIB                    := -ld
> >
> > +CFLAGS                  += -ldl
> > +
> >  INSTALL_TARGETS                := *.sh
> >
> >  $(LIBDIR):
> > ============
> >
> >
> > Regards--
> >
> >
> > -Tomonori Mitani
> >
> >
> >
> >
> ------------------------------------------------------------------
> ------------
> > Download Intel&#174; Parallel Studio Eval
> > Try the new software tools for yourself. Speed compiling, find bugs
> > proactively, and fine-tune applications for parallel performance.
> > See why Intel Parallel Studio got high marks during beta.
> > http://p.sf.net/sfu/intel-sw-dev
> > _______________________________________________
> > Ltp-list mailing list
> > Ltp-list@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/ltp-list
> 
> --
> Thanks & Regards
> Rishi
> LTP Maintainer
> IBM, LTC, Bangalore
> Please join IRC #ltp @ irc.freenode.net



------------------------------------------------------------------------------
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