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# gc.m4 serial 13
dnl Copyright (C) 2005-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_GC],
[
AC_ARG_WITH([libgcrypt],
AS_HELP_STRING([--with-libgcrypt], [use libgcrypt for low-level crypto]),
libgcrypt=$withval, libgcrypt=no)
if test "$libgcrypt" != no; then
# gc-libgcrypt.c will fail on startup if we don't have
# version 1.4.4 or later, so test for it early. */
gl_good_gcrypt=no
AM_PATH_LIBGCRYPT([1.4.4], [gl_good_gcrypt=yes],
[AC_MSG_ERROR([libgcrypt is too old])])
if test "x$gl_good_gcrypt" != xno; then
dnl Ignore the value of LIBGCRYPT_LIBS, because it does not include
dnl '-lgpg-error'.
AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [#include <gcrypt.h>])
LIB_CRYPTO="$LIBGCRYPT"
else
AC_MSG_ERROR([libgcrypt not found])
fi
fi
AC_SUBST([LIB_CRYPTO])
AC_REQUIRE([AC_C_RESTRICT])
])
|