From b90709b47220ad3abecbc382d97ec7ec38fbb34d Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Tue, 28 Apr 2015 12:22:58 +0200
Subject: [PATCH] Look for mbedtls before polarssl

PolarSSL has been renamed to mbed TLS

Fixes #2336
---
 m4/pdns_with_system_polarssl.m4 | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/m4/pdns_with_system_polarssl.m4 b/m4/pdns_with_system_polarssl.m4
index 2f612516c9..030aa410b3 100644
--- a/m4/pdns_with_system_polarssl.m4
+++ b/m4/pdns_with_system_polarssl.m4
@@ -5,8 +5,15 @@ AC_DEFUN([PDNS_WITH_SYSTEM_POLARSSL],[
     [with_system_polarssl=no],
   )
 
+  POLARSSL_SUBDIR=polarssl
+  POLARSSL_CFLAGS=-I\$\(top_srcdir\)/pdns/ext/$POLARSSL_SUBDIR/include/
+  POLARSSL_LIBS="-L\$(top_builddir)/pdns/ext/$POLARSSL_SUBDIR/library/ -lpolarssl"
+
   AS_IF([test "x$with_system_polarssl" = "xyes"],[
-    AC_CHECK_LIB([polarssl], [sha1_hmac],[
+    OLD_LIBS=$LIBS
+    LIBS=""
+    AC_SEARCH_LIBS([sha1_hmac], [mbedtls polarssl],[
+      POLARSSL_LIBS=$LIBS
       AC_MSG_CHECKING([for PolarSSL version >= 1.1])
       AC_COMPILE_IFELSE([
         AC_LANG_PROGRAM(
@@ -23,17 +30,14 @@ AC_DEFUN([PDNS_WITH_SYSTEM_POLARSSL],[
       AC_MSG_RESULT([$have_system_polarssl])
       ],
       [have_system_polarssl=no]
-    )],
+    )
+    LIBS=$OLD_LIBS
+    ],
     [have_system_polarssl=no]
   )
 
-  POLARSSL_SUBDIR=polarssl
-  POLARSSL_CFLAGS=-I\$\(top_srcdir\)/pdns/ext/$POLARSSL_SUBDIR/include/
-  POLARSSL_LIBS="-L\$(top_builddir)/pdns/ext/$POLARSSL_SUBDIR/library/ -lpolarssl"
-
   AS_IF([test "x$have_system_polarssl" = "xyes"],[
     POLARSSL_CFLAGS=
-    POLARSSL_LIBS=-lpolarssl
     POLARSSL_SUBDIR=
     AC_DEFINE([POLARSSL_SYSTEM], [1], [Defined if system PolarSSL is used])
     ],[
-- 
2.47.2