MT#6485 add no_ngcp script to remove NGCP dependences

Help external users to produce Debian packages without
any NGCP dependence.

README.md

@@ -57,10 +57,12 @@ On a Debian System
 ------------------
 
 On a Debian system, everything can be built and packaged into Debian packages
-by executing `dpkg-buildpackage` (which can be found in the `dpkg-dev` package) in the main directory. 
+by executing `dpkg-buildpackage` (which can be found in the `dpkg-dev` package) in the main directory.
 This script will issue an error and stop if any of the dependency packages are
 not installed.
 
+Before that, run `./debian/flavors/no_ngcp` in order to remove any NGCP dependence.
+
 This will produce a number of `.deb` files, which can then be installed using the
 `dpkg -i` command.
 

debian/flavors/no_ngcp

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+# remove ngcp-system-tools Pre-Depends
+sed -i -e '/^Pre-Depends: ngcp-system-tools\s*$/d' debian/control
+
+exit 0