diff --git a/openair-cn/GTPV1-U/GTPUAH/Makefile b/openair-cn/GTPV1-U/GTPUAH/Makefile
index 91b559f04db8a72a40926104afe1c0fb806a8b27..8fcb74e5a7f5466db61e3939ac89b1c4c567b9ee 100755
--- a/openair-cn/GTPV1-U/GTPUAH/Makefile
+++ b/openair-cn/GTPV1-U/GTPUAH/Makefile
@@ -10,7 +10,6 @@
 #
 ####################################################################################
 
-include $(OPENAIR_HOME)/common/utils/Makefile.inc
 export BIN_DIR ?= $(shell pwd)/Bin
 KVERSION = $(shell uname -r)
 KVERSION_LAST_DIGIT = $(shell echo ${KVERSION} | cut -d "." -f 3 | cut -d "-" -f 1)
@@ -20,11 +19,11 @@ EXTRA_CFLAGS += -DKVERSION=$(KVERSION_LAST_DIGIT)
 
 all: xtlib
 	echo "Building for Kernel Version: $(KVERSION_LAST_DIGIT)"
-	make -C $(KERNEL_DIR)/build M=$(PWD) modules
+	make -C /lib/modules/$(KVERSION)/build M=$(PWD) modules
 	mv xt_GTPUAH.ko $(BIN_DIR)/
 
 clean: libclean
-	make -C $(KERNEL_DIR)/build M=$(PWD) clean
+	make -C /lib/modules/$(KVERSION)/build M=$(PWD) clean
 
 ################################################################################
 # The next section is used by libxt_GTPUAH
diff --git a/openair-cn/GTPV1-U/GTPURH/Makefile b/openair-cn/GTPV1-U/GTPURH/Makefile
index 1ae79c735b7ab2e867955980e9783d43309e57c2..af4107a90463c071d328830a18cb2001ecf64f71 100755
--- a/openair-cn/GTPV1-U/GTPURH/Makefile
+++ b/openair-cn/GTPV1-U/GTPURH/Makefile
@@ -10,7 +10,7 @@
 #
 ####################################################################################
 
-include $(OPENAIR_HOME)/common/utils/Makefile.inc
+
 export BIN_DIR ?= $(shell pwd)/Bin
 KVERSION = $(shell uname -r)
 KVERSION_LAST_DIGIT = $(shell echo ${KVERSION} | cut -d "." -f 3 | cut -d "-" -f 1)
@@ -20,11 +20,11 @@ EXTRA_CFLAGS += -DKVERSION=$(KVERSION_LAST_DIGIT)
 
 all: xtlib
 	echo "Building for Kernel Version: $(KVERSION_LAST_DIGIT)"
-	make -C $(KERNEL_DIR)/build M=$(PWD) modules
+	make -C /lib/modules/$(KVERSION)/build M=$(PWD) modules
 	mv xt_GTPURH.ko $(BIN_DIR)/
 
 clean: libclean
-	make -C $(KERNEL_DIR)/build M=$(PWD) clean
+	make -C /lib/modules/$(KVERSION)/build M=$(PWD) clean
 
 ################################################################################
 # The next section is used by libxt_GTPURH
diff --git a/openair-cn/INSTALL b/openair-cn/INSTALL
index a1e89e18ad20c227845f2099cb9894c799265d19..2099840756e6302d837dcd51b5dcd6262f7adb16 100644
--- a/openair-cn/INSTALL
+++ b/openair-cn/INSTALL
@@ -1,7 +1,7 @@
 Installation Instructions
 *************************
 
-Copyright (C) 1994-1996, 1999-2002, 2004-2011 Free Software Foundation,
+Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
 Inc.
 
    Copying and distribution of this file, with or without modification,
@@ -12,8 +12,8 @@ without warranty of any kind.
 Basic Installation
 ==================
 
-   Briefly, the shell commands `./configure; make; make install' should
-configure, build, and install this package.  The following
+   Briefly, the shell command `./configure && make && make install'
+should configure, build, and install this package.  The following
 more-detailed instructions are generic; see the `README' file for
 instructions specific to this package.  Some packages provide this
 `INSTALL' file but do not implement all of the features documented
@@ -309,9 +309,10 @@ causes the specified `gcc' to be used as the C compiler (unless it is
 overridden in the site shell script).
 
 Unfortunately, this technique does not work for `CONFIG_SHELL' due to
-an Autoconf bug.  Until the bug is fixed you can use this workaround:
+an Autoconf limitation.  Until the limitation is lifted, you can use
+this workaround:
 
-     CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
+     CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
 
 `configure' Invocation
 ======================
@@ -367,4 +368,3 @@ operates.
 
 `configure' also accepts some other, not widely useful, options.  Run
 `configure --help' for more details.
-