# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1480970766 -3600
# Node ID 36bf9ed87ae1716f8597645342fd2fb192070824
# Parent  5594d0caa5a88f9ab790b0befcf1d84ae159c2ec
util.dependencies: Add check and info about lua-bitops (for mod_websockets)

diff -r 5594d0caa5a8 -r 36bf9ed87ae1 util/dependencies.lua
--- a/util/dependencies.lua	Mon Dec 05 21:43:09 2016 +0100
+++ b/util/dependencies.lua	Mon Dec 05 21:46:06 2016 +0100
@@ -99,6 +99,16 @@
 			}, "SSL/TLS support will not be available");
 	end
 
+	local bit = _G.bit32 or softreq"bit";
+
+	if not bit then
+		missingdep("lua-bitops", {
+			["Debian/Ubuntu"] = "sudo apt-get install lua-bitop";
+			["luarocks"] = "luarocks install luabitop";
+			["Source"] = "http://bitop.luajit.org/";
+		}, "WebSocket support will not be available");
+	end
+
 	local encodings, err = softreq "util.encodings"
 	if not encodings then
 		if err:match("module '[^']*' not found") then
@@ -132,6 +142,7 @@
 		end
 		fatal = true;
 	end
+
 	return not fatal;
 end