#!/bin/sh

# Run this from the TOP of the source tree!

M4=gm4

configs=`find $1 -name configure.ac -print|sort|sed -e 's@/configure.ac@@'`

for dir in $configs; do

	syms=""

	libs=""

	headers=""

	types=""

	funcs=""

	AC_MACRODIR=./util/autoconf

	# The following bits shamelessly stolen from autoheader.sh

	eval "`$M4 -I$AC_MACRODIR autoheader.m4 $dir/configure.ac|

		sed -n -e '

		: again

		/^@@@.*@@@$/s/^@@@\(.*\)@@@$/\1/p

		/^@@@/{

			s/^@@@//p

			n

			s/^/@@@/

			b again

		}'`"

	allsyms="`for sym in $syms; do echo $sym; done | sort | uniq`"

	if test -n "$funcs"; then

		funcs="`for func in $funcs; do echo $func; done | sort | uniq`"

		funcs="`for func in $funcs; do echo $func

			done | sed 's/[^a-zA-Z0-9_]/_/g' | tr '[a-z]' '[A-Z]' | sed 's/^/HAVE_/'`"

	allsyms="$allsyms $funcs"

	fi

	if test -n "$headers"; then

		headers="`for header in $headers; do echo $header

			done | sort | uniq`"

		headers="`for header in $headers; do echo $header

			done | sed 's/[^a-zA-Z0-9_]/_/g' | tr '[a-z]' '[A-Z]' | sed 's/^/HAVE_/'`"

	allsyms="$allsyms $headers"

	fi

	if test -n "$libs"; then

		libs="`for lib in $libs; do echo $lib

			done | sort | uniq`"

		libs="`for lib in $libs; do echo $lib

			done | sed 's/[^a-zA-Z0-9_]/_/g' | tr '[a-z]' '[A-Z]' | sed 's/^/HAVE_LIB/'`"

	allsyms="$allsyms $libs"

	fi

	echo $dir/configure.ac: $allsyms

	allsyms="`echo $allsyms|tr ' ' '|'`"

	files="$dir/*.[ch]"

	if test ! "`echo $files`" = "$dir/"'*.[ch]'; then

	for file in $files; do

		badsyms=""

		fsyms=`sed -f ./util/getsyms.sed $file`

		fsyms="`for sym in $fsyms; do echo $sym; done | sort | uniq`"

		for sym in $fsyms; do

			if echo $sym|egrep -s "$allsyms">/dev/null; then :

			else

				badsyms="$badsyms $sym"

			fi

		done

		if test -n "$badsyms"; then

			echo $file:$badsyms

		fi

	done

	fi

done