#!/bin/bash
# read the CFLAGS line from a debian rules file and prune out unneeded stuff and do corrections

FOUND_LINE=0
while read LINE ; do
	(( LINE_COUNT++ )) 
	CHUNK=$LINE
	#echo $LINE
	if [[ $(echo $CHUNK |grep "./configure" ) != "" ]] && [[ $FOUND_LINE -eq 0 ]] ; then
			# the configure options are everything to the right of ./configure
			CHUNK=${CHUNK#*./configure}
			# remove the --host stuff
			CHUNK=${CHUNK/--host=/}
			CHUNK=${CHUNK/\$\(DEB_HOST_GNU_TYPE\)/}
			# remove the --host stuff
			CHUNK=${CHUNK/--build=/}
			CHUNK=${CHUNK/\$\(DEB_BUILD_GNU_TYPE\)/}
			# remove the --prefix stuff
			CHUNK=${CHUNK/--prefix=/}
			# if --prefix was hard coded above then it still remains (/usr)
			# so skip to the next '--'option to the right
			CHUNK=--${CHUNK#*--}
			# substitute these debian options with slackware defaults
			CHUNK=${CHUNK/usr\/share\/info/usr\/info}
			CHUNK=${CHUNK/usr\/share\/man/usr\/man}
			CHUNK=${CHUNK/usr\/share\/doc/usr\/doc}
			echo $CHUNK
		FOUND_LINE=1
	fi
done