From c77bbfc5e3e68a3d151f67305ebe72daf65773b2 Mon Sep 17 00:00:00 2001
From: kervala <devnull@localhost>
Date: Sun, 1 Nov 2015 17:04:41 +0100
Subject: [PATCH] Changed: Support for Lua 5.3 (can be improved)

---
 code/CMakeModules/FindLua53.cmake   | 81 +++++++++++++++++++++++++++++
 code/CMakeModules/FindLuabind.cmake | 26 ++++++---
 code/CMakeModules/nel.cmake         |  1 +
 3 files changed, 101 insertions(+), 7 deletions(-)
 create mode 100644 code/CMakeModules/FindLua53.cmake

diff --git a/code/CMakeModules/FindLua53.cmake b/code/CMakeModules/FindLua53.cmake
new file mode 100644
index 000000000..45fdcf630
--- /dev/null
+++ b/code/CMakeModules/FindLua53.cmake
@@ -0,0 +1,81 @@
+# Locate Lua library
+# This module defines
+#  LUA53_FOUND, if false, do not try to link to Lua
+#  LUA_LIBRARIES
+#  LUA_INCLUDE_DIR, where to find lua.h
+#  LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
+#
+# Note that the expected include convention is
+#  #include "lua.h"
+# and not
+#  #include <lua/lua.h>
+# This is because, the lua location is not standardized and may exist
+# in locations other than lua/
+
+#=============================================================================
+# Copyright 2007-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+find_path(LUA_INCLUDE_DIR lua.h
+  HINTS
+    ENV LUA_DIR
+  PATH_SUFFIXES include/lua53 include/lua5.3 include/lua-5.3 include/lua include
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /sw # Fink
+  /opt/local # DarwinPorts
+  /opt/csw # Blastwave
+  /opt
+)
+
+find_library(LUA_LIBRARY
+  NAMES lua53 lua5.3 lua-5.3 lua
+  HINTS
+    ENV LUA_DIR
+  PATH_SUFFIXES lib
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /sw
+  /opt/local
+  /opt/csw
+  /opt
+)
+
+if(LUA_LIBRARY)
+  # include the math library for Unix
+  if(UNIX AND NOT APPLE AND NOT BEOS)
+    find_library(LUA_MATH_LIBRARY m)
+    set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
+  # For Windows and Mac, don't need to explicitly include the math library
+  else()
+    set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
+  endif()
+endif()
+
+if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
+  file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")
+
+  string(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
+  unset(lua_version_str)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
+# all listed variables are TRUE
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua52
+                                  REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
+                                  VERSION_VAR LUA_VERSION_STRING)
+
+mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY)
+
diff --git a/code/CMakeModules/FindLuabind.cmake b/code/CMakeModules/FindLuabind.cmake
index 73255077a..6795a5089 100644
--- a/code/CMakeModules/FindLuabind.cmake
+++ b/code/CMakeModules/FindLuabind.cmake
@@ -42,20 +42,22 @@ MACRO(FIND_CORRECT_LUA_VERSION)
     ENDIF(LUALIB_FOUND)
   ELSE(LUABIND_LIBRARY_RELEASE MATCHES "\\.so")
     # TODO: find a way to detect Lua version
-    IF(WITH_LUA52)
+    IF(WITH_LUA53)
+      FIND_PACKAGE(Lua53 REQUIRED)
+    ELSEIF(WITH_LUA52)
       FIND_PACKAGE(Lua52 REQUIRED)
     ELSEIF(WITH_LUA51)
       FIND_PACKAGE(Lua51 REQUIRED)
-    ELSE(WITH_LUA52)
+    ELSE()
       FIND_PACKAGE(Lua50 REQUIRED)
-    ENDIF(WITH_LUA52)
-  ENDIF(LUABIND_LIBRARY_RELEASE MATCHES "\\.so")
-ENDMACRO(FIND_CORRECT_LUA_VERSION)
+    ENDIF()
+  ENDIF()
+ENDMACRO()
 
 IF(LUABIND_LIBRARIES AND LUABIND_INCLUDE_DIR)
   # in cache already
   SET(Luabind_FIND_QUIETLY TRUE)
-ENDIF(LUABIND_LIBRARIES AND LUABIND_INCLUDE_DIR)
+ENDIF()
 
 FIND_PATH(LUABIND_INCLUDE_DIR
   luabind/luabind.hpp
@@ -72,11 +74,21 @@ FIND_PATH(LUABIND_INCLUDE_DIR
 SET(LIBRARY_NAME_RELEASE)
 SET(LIBRARY_NAME_DEBUG)
 
+IF(WITH_LUA53)
+  IF(WITH_STLPORT)
+    LIST(APPEND LIBRARY_NAME_RELEASE luabind_stlport_lua53)
+    LIST(APPEND LIBRARY_NAME_DEBUG luabind_stlport_lua53d)
+  ENDIF()
+
+  LIST(APPEND LIBRARY_NAME_RELEASE luabind_lua53)
+  LIST(APPEND LIBRARY_NAME_DEBUG luabind_lua53d)
+ENDIF()
+
 IF(WITH_LUA52)
   IF(WITH_STLPORT)
     LIST(APPEND LIBRARY_NAME_RELEASE luabind_stlport_lua52)
     LIST(APPEND LIBRARY_NAME_DEBUG luabind_stlport_lua52d)
-  ENDIF(WITH_STLPORT)
+  ENDIF()
 
   LIST(APPEND LIBRARY_NAME_RELEASE luabind_lua52)
   LIST(APPEND LIBRARY_NAME_DEBUG luabind_lua52d)
diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index a4561c677..d02db8bd5 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -373,6 +373,7 @@ MACRO(NL_SETUP_RYZOM_DEFAULT_OPTIONS)
   ###
   OPTION(WITH_LUA51               "Build Ryzom Core using Lua 5.1"                ON )
   OPTION(WITH_LUA52               "Build Ryzom Core using Lua 5.2"                OFF)
+  OPTION(WITH_LUA53               "Build Ryzom Core using Lua 5.3"                OFF)
   OPTION(WITH_RYZOM_CLIENT_UAC    "Ask to run as Administrator"                   OFF)
 ENDMACRO(NL_SETUP_RYZOM_DEFAULT_OPTIONS)