| #*************************************************************************** | 
 | #                                  _   _ ____  _ | 
 | #  Project                     ___| | | |  _ \| | | 
 | #                             / __| | | | |_) | | | 
 | #                            | (__| |_| |  _ <| |___ | 
 | #                             \___|\___/|_| \_\_____| | 
 | # | 
 | # Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. | 
 | # | 
 | # This software is licensed as described in the file COPYING, which | 
 | # you should have received as part of this distribution. The terms | 
 | # are also available at https://curl.se/docs/copyright.html. | 
 | # | 
 | # You may opt to use, copy, modify, merge, publish, distribute and/or sell | 
 | # copies of the Software, and permit persons to whom the Software is | 
 | # furnished to do so, under the terms of the COPYING file. | 
 | # | 
 | # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | 
 | # KIND, either express or implied. | 
 | # | 
 | # SPDX-License-Identifier: curl | 
 | # | 
 | #*************************************************************************** | 
 |  | 
 | dnl ---------------------------------------------------- | 
 | dnl check for mbedTLS | 
 | dnl ---------------------------------------------------- | 
 | AC_DEFUN([CURL_WITH_MBEDTLS], [ | 
 |  | 
 | if test "x$OPT_MBEDTLS" != xno; then | 
 |   _cppflags=$CPPFLAGS | 
 |   _ldflags=$LDFLAGS | 
 |   ssl_msg= | 
 |  | 
 |   if test X"$OPT_MBEDTLS" != Xno; then | 
 |  | 
 |     if test "$OPT_MBEDTLS" = "yes"; then | 
 |       OPT_MBEDTLS="" | 
 |     fi | 
 |  | 
 |     if test -z "$OPT_MBEDTLS" ; then | 
 |       dnl check for lib first without setting any new path | 
 |  | 
 |       AC_CHECK_LIB(mbedtls, mbedtls_havege_init, | 
 |       dnl libmbedtls found, set the variable | 
 |        [ | 
 |          AC_DEFINE(USE_MBEDTLS, 1, [if mbedTLS is enabled]) | 
 |          AC_SUBST(USE_MBEDTLS, [1]) | 
 |          MBEDTLS_ENABLED=1 | 
 |          USE_MBEDTLS="yes" | 
 |          ssl_msg="mbedTLS" | 
 | 	 test mbedtls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes | 
 |         ], [], -lmbedx509 -lmbedcrypto) | 
 |     fi | 
 |  | 
 |     addld="" | 
 |     addlib="" | 
 |     addcflags="" | 
 |     mbedtlslib="" | 
 |  | 
 |     if test "x$USE_MBEDTLS" != "xyes"; then | 
 |       dnl add the path and test again | 
 |       addld=-L$OPT_MBEDTLS/lib$libsuff | 
 |       addcflags=-I$OPT_MBEDTLS/include | 
 |       mbedtlslib=$OPT_MBEDTLS/lib$libsuff | 
 |  | 
 |       LDFLAGS="$LDFLAGS $addld" | 
 |       if test "$addcflags" != "-I/usr/include"; then | 
 |          CPPFLAGS="$CPPFLAGS $addcflags" | 
 |       fi | 
 |  | 
 |       AC_CHECK_LIB(mbedtls, mbedtls_ssl_init, | 
 |        [ | 
 |        AC_DEFINE(USE_MBEDTLS, 1, [if mbedTLS is enabled]) | 
 |        AC_SUBST(USE_MBEDTLS, [1]) | 
 |        MBEDTLS_ENABLED=1 | 
 |        USE_MBEDTLS="yes" | 
 |        ssl_msg="mbedTLS" | 
 |        test mbedtls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes | 
 |        ], | 
 |        [ | 
 |          CPPFLAGS=$_cppflags | 
 |          LDFLAGS=$_ldflags | 
 |        ], -lmbedx509 -lmbedcrypto) | 
 |     fi | 
 |  | 
 |     if test "x$USE_MBEDTLS" = "xyes"; then | 
 |       AC_MSG_NOTICE([detected mbedTLS]) | 
 |       check_for_ca_bundle=1 | 
 |  | 
 |       LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS" | 
 |  | 
 |       if test -n "$mbedtlslib"; then | 
 |         dnl when shared libs were found in a path that the run-time | 
 |         dnl linker doesn't search through, we need to add it to | 
 |         dnl CURL_LIBRARY_PATH to prevent further configure tests to fail | 
 |         dnl due to this | 
 |         if test "x$cross_compiling" != "xyes"; then | 
 |           CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$mbedtlslib" | 
 |           export CURL_LIBRARY_PATH | 
 |           AC_MSG_NOTICE([Added $mbedtlslib to CURL_LIBRARY_PATH]) | 
 |         fi | 
 |       fi | 
 |     fi | 
 |  | 
 |   fi dnl mbedTLS not disabled | 
 |  | 
 |   test -z "$ssl_msg" || ssl_backends="${ssl_backends:+$ssl_backends, }$ssl_msg" | 
 | fi | 
 |  | 
 | ]) |