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add libc as a choice for SHA1 implementation

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On Sun, Nov 01, 2009 at 02:54:13PM -0800, Keith Packard wrote:
> Excerpts from Matthieu Herrb's message of Sun Nov 01 09:34:35 -0800 2009:
>
> > +AC_CHECK_FUNCS([SHA1Init], [HAVE_LIBC_SHA1=yes])
>
> I'd suggest AC_CHECK_FUNC instead; as far as I can tell, AC_CHECK_FUNCS
> will also define HAVE_SHA1INIT. Also, can you  use HAVE_LIBC_SHA1
> consistently rather than having two separate names (HAVE_LIBC_SHA1 and
> HAVE_SHA1_IN_LIBC)? Yes, I know one is a preprocessor symbol and the
> other is a cpp shell variable, but I think that will work anyway.
>
New version taking you comments into account.

From: Matthieu Herrb <matthieu.herrb@laas.fr>
Date: Sun, 1 Nov 2009 18:19:27 +0100
Subject: [PATCH] Add a probe for SHA1 functions in libc in *BSD.

The interface is the same as the one in libmd.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Matthieu Herrb 2009-11-02 11:11:24 +01:00 committed by Keith Packard
parent da923d0bc1
commit 48b8c076a7
3 changed files with 18 additions and 2 deletions
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14
configure.ac
View File

@ -1287,8 +1287,20 @@ CORE_INCS='-I$(top_srcdir)/include -I$(top_builddir)/include'
# SHA1 hashing
AC_ARG_WITH([sha1],
[AS_HELP_STRING([--with-sha1=libmd|libgcrypt|libcrypto|libsha1],
[AS_HELP_STRING([--with-sha1=libc|libmd|libgcrypt|libcrypto|libsha1],
[choose SHA1 implementation])])
AC_CHECK_FUNC([SHA1Init], [HAVE_SHA1_IN_LIBC=yes])
if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_LIBC" = xyes; then
with_sha1=libc
fi
if test "x$with_sha1" = xlibc && test "x$HAVE_SHA1_IN_LIBC" != xyes; then
AC_MSG_ERROR([libc requested but not found])
fi
if test "x$with_sha1" = xlibc; then
AC_DEFINE([HAVE_SHA1_IN_LIBC], [1],
[Use libc SHA1 functions])
SHA1_LIBS=""
fi
AC_CHECK_LIB([md], [SHA1Init], [HAVE_LIBMD=yes])
if test "x$with_sha1" = x && test "x$HAVE_LIBMD" = xyes; then
with_sha1=libmd

3
include/dix-config.h.in
View File

@ -160,6 +160,9 @@
/* Define to 1 if you have the <rpcsvc/dbm.h> header file. */
#undef HAVE_RPCSVC_DBM_H
/* Define to use libc SHA1 functions */
#undef HAVE_SHA1_IN_LIBC
/* Define to use libmd SHA1 functions */
#undef HAVE_SHA1_IN_LIBMD

3
os/xsha1.c
View File

@ -5,7 +5,8 @@
#include "os.h"
#include "xsha1.h"
#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
#if defined(HAVE_SHA1_IN_LIBMD) /* Use libmd for SHA1 */ \
|| defined(HAVE_SHA1_IN_LIBC) /* Use libc for SHA1 */
# include <sha1.h>