- simplify configure.in

[tinc] / m4 / openssl.m4

diff --git a/m4/openssl.m4 b/m4/openssl.m4
index 40ad4fd..1a61a8b 100644 (file)
--- a/m4/openssl.m4
+++ b/m4/openssl.m4
@@ -29,21 +29,20 @@ AC_DEFUN(tinc_OPENSSL,
     [AC_MSG_ERROR([OpenSSL libraries not found.])]
   )
 
-  AC_CHECK_FUNCS(RAND_pseudo_bytes)
+  AC_CHECK_FUNCS([RAND_pseudo_bytes EVP_EncryptInit_ex], ,
+    [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
+  )
 
-  AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
-    [],
-    [AC_CHECK_FUNC(SSLeay_add_all_algorithms,
-      [AC_DEFINE(HAVE_SSLEAY_ADD_ALL_ALGORITHMS, 1, [Defined if this function should be used instead of OpenSLL_add_all_algorithms])],
-      [AC_MSG_ERROR([Missing required OpenSSL functionality!])]
-    )]
+  AC_CHECK_DECL([OpenSSL_add_all_algorithms], ,
+    [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
+    [#include <openssl/evp.h>]
   )
 
   AC_CHECK_FUNC(dlopen,
     [],
     [AC_CHECK_LIB(dl, dlopen,
       [LIBS="$LIBS -ldl"],
-      [AC_MSG_ERROR([OpenSSL depends on libdl.])]
+      [AC_MSG_ERROR([OpenSSL depends on libdl.]); break]
     )]
   )
 ])