Configure: support for lua5.2

Close #8339

Patch from ll2 on trac

diff --git a/configure.ac b/configure.ac
index 463a1552c15bc44eaf47c0a2dec3d600d77e0eb7..af9c44777ed44d5a782575dc5f4895084a516d52 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1506,28 +1506,35 @@ AC_ARG_ENABLE(lua,
     [disable LUA scripting support (default enabled)])])
 if test "${enable_lua}" != "no"
 then
-  PKG_CHECK_MODULES(LUA, lua5.1,
+  PKG_CHECK_MODULES(LUA, lua5.2,
     [ have_lua=yes ],
     [
-    AC_MSG_WARN([${LUA_PKG_ERRORS}, trying lua >= 5.1 instead])
-    PKG_CHECK_MODULES(LUA, lua >= 5.1,
+    AC_MSG_WARN([${LUA_PKG_ERRORS}, trying lua 5.1 instead])
+
+    PKG_CHECK_MODULES(LUA, lua5.1,
       [ have_lua=yes ],
       [
-        AC_MSG_WARN([${LUA_PKG_ERRORS}, trying manual detection instead])
-        have_lua=yes
-        AC_CHECK_HEADERS([lua.h lauxlib.h lualib.h],
-          [],
-          [ have_lua=no ] )
-        AC_CHECK_LIB(  lua5.1 , luaL_newstate,
-          [LUA_LIBS="-llua5.1"],
-          AC_CHECK_LIB( lua51 , luaL_newstate,
-            [LUA_LIBS="-llua51"],
-            AC_CHECK_LIB( lua , luaL_newstate,
-              [LUA_LIBS="-llua"],
-              [ have_lua=no
-              ], [-lm])
-          )
-        )
+      AC_MSG_WARN([${LUA_PKG_ERRORS}, trying lua >= 5.1 instead])
+      PKG_CHECK_MODULES(LUA, lua >= 5.1,
+        [ have_lua=yes ],
+        [
+          AC_MSG_WARN([${LUA_PKG_ERRORS}, trying manual detection instead])
+          have_lua=yes
+          AC_CHECK_HEADERS([lua.h lauxlib.h lualib.h],
+            [],
+            [ have_lua=no ] )
+          AC_CHECK_LIB(  lua5.2 , luaL_newstate,
+            [LUA_LIBS="-llua5.2"],
+          AC_CHECK_LIB( lua5.1 , luaL_newstate,
+            [LUA_LIBS="-llua5.1"],
+            AC_CHECK_LIB( lua51 , luaL_newstate,
+              [LUA_LIBS="-llua51"],
+              AC_CHECK_LIB( lua , luaL_newstate,
+                [LUA_LIBS="-llua"],
+                [ have_lua=no
+                ], [-lm])
+            )))
+        ])
       ])
     ])
   if test "x${have_lua}" = "xyes" ;  then