Link to zlib if PolarSSL is compiled with support for it. [Patch from hasufell].

diff --git a/configure.ac b/configure.ac
index 682a1d033b571edda9248753d5e8139c572cab60..a7a4701db3032ae1c63aa5a4cc91c30af75c8b49 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -51,6 +51,15 @@ AC_CHECK_FUNC([clock_gettime], [], [AC_CHECK_LIB([rt], [clock_gettime], [], [AC_
 AS_IF([test "x$with_ssl" = xpolarssl], [
        AC_CHECK_HEADERS([polarssl/ssl.h], [], [AC_MSG_ERROR([could not find polarssl/ssl.h])])
        AC_CHECK_HEADERS([polarssl/version.h], [], [AC_MSG_ERROR([could not find polarssl/version.h])])
+
+       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <polarssl/ssl.h>]],
+               [[#if defined(POLARSSL_ZLIB_SUPPORT)
+               int x;
+               #endif
+               x = 0;
+               return 0;]])],
+               [AC_CHECK_LIB([z], [deflate], [], [AC_MSG_ERROR([could not find zlib])])],
+               [])
        AC_CHECK_LIB([polarssl], [ssl_init], [], [AC_MSG_ERROR([could not find libpolarssl])])
        AC_DEFINE([USE_POLARSSL], [], [Use PolarSSL])
     AS_IF([test "x$enable_polarssl_test_cert" = xyes], [