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Date: Fri, 2 Jun 2006 15:00:32 +0400
From: Alexey Tourbin <at@altlinux.ru>
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Subject: Re: [devel] =?koi8-r?b?bGlic3RkYysrNC4xLWRldmVsINPMz83Bzj8=?=
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On Fri, Jun 02, 2006 at 11:47:11AM +0400, Damir Shayhutdinov wrote:
> 01.06.06, Alexey Tourbin<at@altlinux.ru> =CE=C1=D0=C9=D3=C1=CC(=C1):
> > > =F5=C2=D2=C1=D4=D8 -Wl,-z,defs - =D7 =DC=D4=CF=CD =D7=D3=A3 =D2=C1=D7=
=CE=CF =CE=C5=D4 =D3=CD=D9=D3=CC=C1 =D0=D2=C9 =CC=C9=CE=CB=CF=D7=CB=C5 -sha=
red.
> >
> > =F0=CF=DE=C5=CD=D5 =CE=C5 =C9=CD=C5=C5=D4 =D3=CD=D9=D3=CC=C1?>
> ld(1)
> ----
> -z
>            defs
>                Disallows undefined symbols in object files.  Undefined sy=
mbols
>                in shared libraries are still allowed.

=E1=D7=D4=CF=D2 =CD=C1=CE=C1 =C9=CD=C5=CC =D7 =D7=C9=C4=D5 =C4=D2=D5=C7=CF=
=C5.

$ cat test.c
test()
{
        no_such_function();
}
$ gcc -shared -fPIC -o libtest.so test.c
$ ls -l libtest.so
-rwxr-xr-x 1 at at 5591 Jun  2 14:54 libtest.so
$ gcc -shared -fPIC -o libtest.so test.c -Wl,-z,defs
/tmp/.private/at/ccCRSta9.o: In function `test':
test.c:(.text+0x14): undefined reference to `no_such_function'
collect2: ld returned 1 exit status
$=20

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