diff -Nur glc_lib_orig/GLC_lib.pro glc_lib/GLC_lib.pro
--- glc_lib_orig/GLC_lib.pro	2011-03-07 13:50:58.000000000 +0600
+++ glc_lib/GLC_lib.pro	2011-04-29 10:01:05.000000000 +0700
@@ -419,8 +419,8 @@
 # Linux and macx install configuration
 unix {
     # Location of HEADERS and library
-    LIB_DIR = /usr/local/lib
-    INCLUDE_DIR = /usr/local/include
+    LIB_DIR = /usr/lib
+    INCLUDE_DIR = /usr/include
     # Adds a -P to preserve link
 	QMAKE_COPY_FILE = $${QMAKE_COPY_FILE} -P
 	include.path = $${INCLUDE_DIR}/GLC_lib