From 9fb8340a9760f3ba12109a348b8da8ac352264bf Mon Sep 17 00:00:00 2001
From: kervala <devnull@localhost>
Date: Thu, 3 Mar 2016 20:50:20 +0100
Subject: [PATCH] Lua 5.3 support for Fedora 22+, fixes #262

---
 code/CMakeModules/FindLuabind.cmake | 68 ++++++++++++++++++-----------
 1 file changed, 43 insertions(+), 25 deletions(-)

diff --git a/code/CMakeModules/FindLuabind.cmake b/code/CMakeModules/FindLuabind.cmake
index 6795a5089..e98c84f54 100644
--- a/code/CMakeModules/FindLuabind.cmake
+++ b/code/CMakeModules/FindLuabind.cmake
@@ -9,38 +9,56 @@ MACRO(FIND_CORRECT_LUA_VERSION)
   IF(LUABIND_LIBRARY_RELEASE MATCHES "\\.so")
     INCLUDE(CheckDepends)
 
-    SET(LUA52_LIBRARY "liblua5.2")
-    CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA52_LIBRARY LUALIB_FOUND)
-    
+    # check for Lua 5.3
+    SET(LUA53_LIBRARY "liblua5.3")
+    CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA53_LIBRARY LUALIB_FOUND)
+
     IF(NOT LUALIB_FOUND)
-      # fedora (v20)
-      SET(LUA52_LIBRARY "liblua-5.2")
-      CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA52_LIBRARY LUALIB_FOUND)
-    ENDIF(NOT LUALIB_FOUND)
+      # fedora (v22+)
+      SET(LUA53_LIBRARY "liblua-5.3")
+      CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA53_LIBRARY LUALIB_FOUND)
+    ENDIF()
 
     IF(LUALIB_FOUND)
-      MESSAGE(STATUS "Luabind is using Lua 5.2")
-      FIND_PACKAGE(Lua52 REQUIRED)
-    ELSE(LUALIB_FOUND)
-      SET(LUA51_LIBRARY "liblua5.1")
-      CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA51_LIBRARY LUALIB_FOUND)
+      MESSAGE(STATUS "Luabind is using Lua 5.3")
+      FIND_PACKAGE(Lua53 REQUIRED)
+    ELSE()
+      # check for Lua 5.2
+      SET(LUA52_LIBRARY "liblua5.2")
+      CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA52_LIBRARY LUALIB_FOUND)
+
+      IF(NOT LUALIB_FOUND)
+        # fedora (v20)
+        SET(LUA52_LIBRARY "liblua-5.2")
+        CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA52_LIBRARY LUALIB_FOUND)
+      ENDIF()
 
       IF(LUALIB_FOUND)
-        MESSAGE(STATUS "Luabind is using Lua 5.1")
-        FIND_PACKAGE(Lua51 REQUIRED)
-      ELSE(LUALIB_FOUND)
-        SET(LUA50_LIBRARY "liblua5.0")
-        CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA50_LIBRARY LUALIB_FOUND)
+        MESSAGE(STATUS "Luabind is using Lua 5.2")
+        FIND_PACKAGE(Lua52 REQUIRED)
+      ELSE()
+        # check for Lua 5.1
+        SET(LUA51_LIBRARY "liblua5.1")
+        CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA51_LIBRARY LUALIB_FOUND)
 
         IF(LUALIB_FOUND)
-          MESSAGE(STATUS "Luabind is using Lua 5.0")
-          FIND_PACKAGE(Lua50 REQUIRED)
-        ELSE(LUALIB_FOUND)
-          MESSAGE(FATAL_ERROR "Can't determine Lua version used by Luabind")
-        ENDIF(LUALIB_FOUND)
-      ENDIF(LUALIB_FOUND)
-    ENDIF(LUALIB_FOUND)
-  ELSE(LUABIND_LIBRARY_RELEASE MATCHES "\\.so")
+          MESSAGE(STATUS "Luabind is using Lua 5.1")
+          FIND_PACKAGE(Lua51 REQUIRED)
+        ELSE()
+          # check for Lua 5.0
+          SET(LUA50_LIBRARY "liblua5.0")
+          CHECK_LINKED_LIBRARY(LUABIND_LIBRARY_RELEASE LUA50_LIBRARY LUALIB_FOUND)
+
+          IF(LUALIB_FOUND)
+            MESSAGE(STATUS "Luabind is using Lua 5.0")
+            FIND_PACKAGE(Lua50 REQUIRED)
+          ELSE()
+            MESSAGE(FATAL_ERROR "Can't determine Lua version used by Luabind")
+          ENDIF()
+        ENDIF()
+      ENDIF()
+    ENDIF()
+  ELSE()
     # TODO: find a way to detect Lua version
     IF(WITH_LUA53)
       FIND_PACKAGE(Lua53 REQUIRED)