From 13b38eb0a3e609a5f0f4f12e2578e68ff2ac0a22 Mon Sep 17 00:00:00 2001
From: Alon Bar-Lev <alon.barlev@gmail.com>
Date: Mon, 21 May 2012 14:04:14 +0300
Subject: build: check minimum polarssl version

Pre 1.1 is unsupported, API was changed.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
Reviewed-by: Adriaan de Jong <dejong@fox-it.com>
Acked-by: David Sommerseth <davids@redhat.com>
Message-Id: 1337598254-32641-1-git-send-email-alon.barlev@gmail.com
URL: http://article.gmane.org/gmane.network.openvpn.devel/6613
Signed-off-by: David Sommerseth <davids@redhat.com>
---
 configure.ac | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/configure.ac b/configure.ac
index 399b4e7..8d0a843 100644
--- a/configure.ac
+++ b/configure.ac
@@ -734,6 +734,27 @@ if test -z "${POLARSSL_LIBS}"; then
 	)
 fi
 
+if test "${with_crypto_library}" = "polarssl" ; then
+	AC_MSG_CHECKING([polarssl version])
+	old_CFLAGS="${CFLAGS}"
+	CFLAGS="${POLARSSL_CFLAGS} ${CFLAGS}"
+	AC_COMPILE_IFELSE(
+		[AC_LANG_PROGRAM(
+			[[
+#include <polarssl/version.h>
+			]],
+			[[
+#if POLARSSL_VERSION_NUMBER <= 0x01010000
+#error invalid version
+#endif
+			]]
+		)],
+		[AC_MSG_RESULT([ok])],
+		[AC_MSG_ERROR([invalid polarssl version])]
+	)
+	CFLAGS="${old_CFLAGS}"
+fi
+
 AC_ARG_VAR([LZO_CFLAGS], [C compiler flags for lzo])
 AC_ARG_VAR([LZO_LIBS], [linker flags for lzo])
 have_lzo="yes"
-- 
cgit