Fix ability to build in zlib, then ignore it. Needs libax25 to have zlib.

debian/control

@@ -3,7 +3,7 @@ Section: hamradio
 Priority: optional
 Maintainer: Debian Hamradio Maintainers <debian-hams@lists.debian.org>
 Uploaders: Dave Hibberd <d@vehibberd.com>
-Build-Depends: debhelper-compat (= 13), libax25-dev
+Build-Depends: debhelper-compat (= 13), libax25-dev, zlib1g-dev
 Standards-Version: 4.6.0.1
 Vcs-Browser: https://salsa.debian.org/debian-hamradio-team/uronode
 Vcs-Git: https://salsa.debian.org/debian-hamradio-team/uronode.git

debian/patches/series

@@ -1,5 +1,6 @@
 netrom-motd.patch
 non-interactive-install.patch
+zlib-ifdef.patch
 hardening
 folder-update
 install-dir-creation

debian/patches/zlib-ifdef.patch

@@ -0,0 +1,22 @@
+--- a/configure
++++ b/configure
+@@ -74,14 +74,15 @@
+ _sleep 1
+ echo -n "Checking for the existence of the Zlib headers... "
+ ZLIB=""
+-HAVEZLIB="#undef HAVE_ZLIB"
++HAVEZLIB="#undef HAVE_ZLIB_H"
+ for zlibdir in /usr/include /usr/local/include
+ do
+ 	if [ -f $zlibdir/zlib.h ]
+ 	then
+-		echo $zlibdir/zlib.h
+-		ZLIB="-lz"
+-		HAVEZLIB="#define HAVE_ZLIB	1"
++		echo "skipping zlib until it works right..."
++		# echo $zlibdir/zlib.h
++		# ZLIB="-lz"
++		# HAVEZLIB="#define HAVE_ZLIB_H	1"
+ 	fi
+ done
+ if [ -z "$ZLIB" ]