Problem with linking when compiling GNUTLS

[Simon Josefsson]

Dagobert Michelsen <dam at opencsw.org> writes:

> Hi,
>
> 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 <simon at josefsson.org>
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