id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	branch_state	votes
1607	undelfs check broken in configure(.ac)	olfway		"$./configure --with-screen=ncurses --disable-vfs-undelfs
$fgrep 'USE_UNDEL_FS' config.status 
S[""USE_UNDEL_FS_FALSE""]=""#""
S[""USE_UNDEL_FS_TRUE""]=""""

it it will tries to build undelfs vfs even if you specify --disable
configure.ac:
AM_CONDITIONAL(USE_UNDEL_FS, [test -n ""$enable_vfs_undelfs""])
should be replaced with
AM_CONDITIONAL(USE_UNDEL_FS, [test x""$enable_vfs_undelfs"" = xyes])"	defect	new	major	4.7	mc-core	4.7.0-pre2