From 8c988984c0633437730dde7edd930f6f8b854179 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Draho=C5=A1?= <drahosp@gmail.com>
Date: Sun, 27 Mar 2011 13:05:15 +0200
Subject: Autoconfig of LUA_ROOT. No longer needed to be passed manually.

---
 CMakeLists.txt | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6db4251..8244f11 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,13 +22,20 @@ set ( LUA_PROMPT2 ">> " CACHE STRING "Is the default continuation prompt used by
 set ( LUA_MAXINPUT 512 CACHE NUMBER "Is the maximum length for an input line in the stand-alone interpreter.")
 
 #2DO: LUAI_* and LUAL_* settings, for now defaults are used.
-
+  
 set ( LUA_DIRSEP "/" )
 set ( LUA_MODULE_SUFFIX ${CMAKE_SHARED_MODULE_SUFFIX} )
-set ( LUA_ROOT ${CMAKE_INSTALL_PREFIX} CACHE STRING "Destination from which modules will be resolved. See INSTALL_LMOD and INSTALL_CMOD.")
 set ( LUA_LDIR ${INSTALL_LMOD} )
 set ( LUA_CDIR ${INSTALL_CMOD} )
 
+if ( LUA_USE_RELATIVE_LOADLIB )
+  # This will set up relative paths to lib
+  string ( REGEX REPLACE "[^!/]+" ".." LUA_ROOT "!/${INSTALL_BIN}/" )
+else ()
+  # Direct path to installation
+  set ( LUA_ROOT ${CMAKE_INSTALL_PREFIX} CACHE STRING "Destination from which modules will be resolved. See INSTALL_LMOD and INSTALL_CMOD.")
+endif ()
+
 if ( WIN32 AND NOT CYGWIN )
   # Windows systems
   option ( LUA_WIN "Windows specific build." ON )
-- 
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