Changed manpage to txt2man format

Author: eribertomota

configure.ac

@@ -224,7 +224,7 @@ else
 fi
 
 AC_PROG_INSTALL
-AC_CONFIG_FILES([Makefile src/Makefile man/Makefile man/packit.8 src/version.h])
+AC_CONFIG_FILES([Makefile src/Makefile man/Makefile src/version.h])
 AC_OUTPUT
 
 BINDIR=`eval echo ${bindir}`; BINDIR=`eval echo ${BINDIR}`;

man/Makefile.am

@@ -3,6 +3,7 @@
 # Original author: Darren Bounds <[email protected]>
 #
 # Copyright 2002 Darren Bounds <[email protected]>
+# Copyright 2016 Joao Eriberto Mota Filho <[email protected]>
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License

man/generate-man.sh

@@ -10,6 +10,10 @@ P_VERSION=1.1
 P_MANLEVEL=8
 P_DESCRIPT="Packet analysis and injection tool"
 
-[ -e $P_NAME.txt ] || { echo "$P_NAME.txt not found"; exit 1; }
+TEST=$(txt2man -h 2> /dev/null)
+
+[ ! "$TEST" ] && { echo "ERROR: You need install txt2man program."; exit 1; }
+
+[ -e $P_NAME.txt ] || { echo "ERROR: $P_NAME.txt not found."; exit 1; }
 
 txt2man -d "$P_DATA" -t $P_NAME -r $P_NAME-$P_VERSION -s $P_MANLEVEL -v "$P_DESCRIPT" $P_NAME.txt > $P_NAME.$P_MANLEVEL