Re: Problem with linking when compiling GNUTLS

[Dagobert Michelsen]

Hi Simon,

Am 05.11.2009 um 14:13 schrieb Simon Josefsson:
> Dagobert Michelsen <address@hidden> writes:
> > when I try to compile GNUTLS 2.8.5 on Solaris 8 Sparc with Sun  
> > Studio 11
> > against libgcrypt the configure-script has problems linking to it:
> >
> > > configure:7443: /opt/studio/SOS11/SUNWspro/bin/cc -o conftest -xO3 -
> > > xarch=v8 -I/opt/csw/include -I/opt/csw/include -xarch=v8 -L/opt/csw/
> > > lib conftest.c  /opt/csw/lib/libgcrypt.so -R/opt/csw/lib >&5
> > > Undefined                       first referenced
> > > symbol                             in file
> > > gpg_err_code_from_errno             conftest.o  (symbol belongs to
> > > implicit dependency /opt/csw/lib/libgpg-error.so.0)
> > > gpg_err_code_from_syserror          conftest.o  (symbol belongs to
> > > implicit dependency /opt/csw/lib/libgpg-error.so.0)
> > > ld: fatal: Symbol referencing errors. No output written to conftest
> >
> > The problem is that configure links directly to libgcrypt.so instead
> > of what is correctly reported:
> >
> > > build8s% /opt/csw/bin/libgcrypt-config --libs
> > > -L/opt/csw/lib -lgcrypt -lgpg-error
> >
> > Adding "-L/opt/csw/lib -lgpg-error" manually solves the problem.
>
> Hi.  GnuTLS isn't using libgcrypt-config to detect the libgrypt
> libraries, but the following patch hopefully fixes it.  Will be part  
> of
> upcoming 2.9.8, so please test that.
>
> /Simon
>
> From 65e184ffdcf0441b51cd447f519d929376f7e06b Mon Sep 17 00:00:00 2001
> From: Simon Josefsson <address@hidden>
> Date: Thu, 5 Nov 2009 14:12:16 +0100
> Subject: [PATCH] Make sure libgcrypt's dependency on libgpg-error is  
> known.
>
> ---
> lib/m4/hooks.m4 |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/lib/m4/hooks.m4 b/lib/m4/hooks.m4
> index 2973d6d..8e3ec92 100644
> --- a/lib/m4/hooks.m4
> +++ b/lib/m4/hooks.m4
> @@ -34,7 +34,7 @@ AC_DEFUN([LIBGNUTLS_HOOKS],
>   DLL_VERSION=`expr ${LT_CURRENT} - ${LT_AGE}`
>   AC_SUBST(DLL_VERSION)
>
> -  AC_LIB_HAVE_LINKFLAGS(gcrypt,, [#include <gcrypt.h>],
> +  AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [#include <gcrypt.h>],
>     [enum gcry_cipher_algos i = GCRY_CIPHER_CAMELLIA128])
>   if test "$ac_cv_libgcrypt" != yes; then
>     AC_MSG_ERROR([[
> --
> 1.6.5.2

Yes, this solves the problem with the missing libgpg-error. Now only
the -lsocket -lnsl issue needs to be resolved :-)


Best regards

  -- Dago