LIB_DIR is now just 'lib' or 'lib64'
Replaced $(LIB_DIR) with $(TOP)/$(LIB_DIR), use LIB_DIR in install targets.
Patch by Hanno Böck.
diff --git a/configs/aix-gcc b/configs/aix-gcc
index cc55551..8146708 100644
--- a/configs/aix-gcc
+++ b/configs/aix-gcc
@@ -13,7 +13,7 @@
 
 MKLIB_OPTIONS = -arch aix-gcc
 GL_LIB_DEPS = -lX11 -lXext -lm
-GLU_LIB_DEPS = -L$(LIB_DIR) -l$(GL_LIB) -lm
-GLUT_LIB_DEPS = -L$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) -lXi -lXmu
-APP_LIB_DEPS = -L$(LIB_DIR) -Wl,-brtl -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) -lm -lX11 -lXext -lXmu -lXi
+GLU_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) -lm
+GLUT_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) -lXi -lXmu
+APP_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -Wl,-brtl -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) -lm -lX11 -lXext -lXmu -lXi