luabind: add patch to allow us to discover a provided luajit

pkgs/development/libraries/luabind/0.9.1_discover_luajit.patch

···
+diff --git a/Jamroot b/Jamroot
+index 94494bf..83dfcbb 100755
+--- a/Jamroot
++++ b/Jamroot
+@@ -64,7 +64,7 @@ else if [ os.name ] in LINUX MACOSX FREEBSD
+         $(LUA_PATH) $(HOME)/Library/Frameworks /Library/Frameworks /usr /usr/local /opt/local /opt ;
+ 
+     local possible-suffixes =
+-        include/lua5.1 include/lua51 include/lua include ;
++        include/lua5.1 include/lua51 include/lua include include/luajit-2.0 ;
+ 
+     local includes = [ GLOB $(possible-prefixes)/$(possible-suffixes) : lua.h ] ;
+ 
+@@ -83,7 +83,7 @@ else if [ os.name ] in LINUX MACOSX FREEBSD
+ 
+     local lib = $(prefix)/lib ;
+ 
+-    local names = liblua5.1 liblua51 liblua ;
++    local names = liblua5.1 liblua51 liblua libluajit-5.1 ;
+     local extensions = .a .so ;
+ 
+     library = [ GLOB $(lib)/lua51 $(lib)/lua5.1 $(lib)/lua $(lib) :

pkgs/development/libraries/luabind/default.nix

···
     sha256 = "0e5ead50a07668d29888f2fa6f53220f900c886e46a2c99c7e8656842f05ff2d";
   };
 
-  patches = [ ./0.9.1_modern_boost_fix.patch ./0.9.1_boost_1.57_fix.patch ];
+  patches = [ ./0.9.1_modern_boost_fix.patch ./0.9.1_boost_1.57_fix.patch ./0.9.1_discover_luajit.patch ];
 
   buildInputs = [ boost-build lua boost ];
 

pkgs/top-level/all-packages.nix

···
 
   luabind = callPackage ../development/libraries/luabind { lua = lua5_1; };
 
+  luabind_luajit = callPackage ../development/libraries/luabind { lua = luajit; };
+
   lzo = callPackage ../development/libraries/lzo { };
 
   matio = callPackage ../development/libraries/matio { };