X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=m4%2Fopenssl.m4;h=e5c0939555b570aa7664ac45a4448f743deebd8d;hp=5d91a7896db2e1a71216d34bf13ae9fb4ad5e548;hb=f0aa9641e82fb6e09c1e485366d14dddaa7f7c36;hpb=b1e97ece9c495ac67e54b8c2675b1eacc645eb1c

diff --git a/m4/openssl.m4 b/m4/openssl.m4
index 5d91a789..e5c09395 100644
--- a/m4/openssl.m4
+++ b/m4/openssl.m4
@@ -29,8 +29,21 @@ AC_DEFUN(tinc_OPENSSL,
     [AC_MSG_ERROR("OpenSSL libraries not found.")]
   )
 
-  AC_CHECK_LIB(dl, dlopen,
-    [LIBS="$LIBS -ldl"],
-    [AC_MSG_ERROR("OpenSSL depends on libdl.")]
+  AC_CHECK_FUNCS(RAND_pseudo_bytes)
+
+  AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
+    [],
+    AC_CHECK_FUNC(SSLeay_add_all_algorithms,
+      [AC_DEFINE(HAVE_SSLEAY_ADD_ALL_ALGORITHMS)],
+      [AC_MSG_ERROR("Missing required OpenSSL functionality!")]
+    )
+  )
+
+  AC_CHECK_FUNC(dlopen,
+    [],
+    AC_CHECK_LIB(dl, dlopen,
+      [LIBS="$LIBS -ldl"],
+      [AC_MSG_ERROR("OpenSSL depends on libdl.")]
+    )
   )
 ])