# $Header: /magellan-cvs/smage/include/libtool.sminc,v 1.3 2008/04/02 16:30:00 niro Exp $
# libtool related functions

# fixes broken dependencies in *.la files
# broken: dependency_libs=' -L/var/tmp/magebuild/gcc-4.2.3/build/i686-pc-linux-gnu/libstdc++-v3/src -L/var/tmp/magebuild/gcc-4.2.3/build/i686-pc-linux-gnu/libstdc++-v3/src/.libs -lm -lm -lm -L/var/tmp/magebuild/gcc-4.2.3/build/./gcc -L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3 -L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/../../.. -lgcc_s -lc -lgcc_s -lm -lgcc_s -lc -lgcc_s'
# fixed: dependency_libs=' -lm -lm -lm -L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3 -L/usr/lib/gcc/i686-pc-linux-gnu/4.2.3/../../.. -lgcc_s -lc -lgcc_s -lm -lgcc_s -lc -lgcc_s'
fix_la_file()
{
	local file="$@"
	local dependency_libs
	local new_dependency_libs
	local dep

	if [[ -f ${file} ]]
	then
		echo "Processing file '${file}' ..."
		dependency_libs=$(egrep '^dependency_libs=' ${file} | sed -e "s:dependency_libs=::" -e "s:'::g" )

		for dep in ${dependency_libs}
		do
			# check for ${BINDIR}
			[[ ${dep/${BINDIR}/} != ${dep} ]] && continue

			# check for ${BUILDDIR}
			[[ ${dep/${BUILDDIR}/} != ${dep} ]] && continue

			# do not add any duplicates
			check_dupes new_dependency_libs ${dep} || continue

			new_dependency_libs="${new_dependency_libs} ${dep}"
		done

		echo "new deps: ${new_dependency_libs}"
		sed -i "s:^\(dependency_libs=\).*:\1'${new_dependency_libs}':" ${file}
	fi
}

# checks a variable if it contains a given item
# check_dupes variablename item
check_dupes()
{
	local variable="$1"
	local item="$2"
	local i

	for i in $(eval echo \$${variable})
	do
		# found so abort
		[[ ${i} = ${item} ]] && return 1
	done

	# if we get here, nothing was found
	return 0
}