$NetBSD: patch-configure,v 1.1 2020/06/08 15:07:43 he Exp $

--- configure.orig	2020-06-08 14:38:08.801388307 +0000
+++ configure
@@ -16981,6 +16981,51 @@ fi
 
 fi
 
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EVP_sha1 in -lcrypto" >&5
+$as_echo_n "checking for EVP_sha1 in -lcrypto... " >&6; }
+if ${ac_cv_lib_crypto_EVP_sha1+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcrypto  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char EVP_sha1 ();
+int
+main ()
+{
+return EVP_sha1 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_crypto_EVP_sha1=yes
+else
+  ac_cv_lib_crypto_EVP_sha1=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_EVP_sha1" >&5
+$as_echo "$ac_cv_lib_crypto_EVP_sha1" >&6; }
+if test "x$ac_cv_lib_crypto_EVP_sha1" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBCRYPTO 1
+_ACEOF
+
+  LIBS="-lcrypto $LIBS"
+
+fi
+
             for ac_func in EVP_sha1 EVP_sha256
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`