Apply a patch from Larry Doolittle to add "-all" and "-none" switches
to multibuild.pl.  I did a little formatting adjustments to make it
_very_ obvious when things stop working.  I also removed the USE_PROCFS
config option -- just do the right thing when USE_DEVPS_PATCH is enabled.
 -Erik
diff --git a/mtab.c b/mtab.c
index ab805e9..33b11c8 100644
--- a/mtab.c
+++ b/mtab.c
@@ -21,12 +21,8 @@
 
 	/* Check if reading the mtab file failed */
 	if (mountTable == 0
-#if ! defined BB_FEATURE_USE_PROCFS
-		) {
-#else
-		/* Bummer.  fall back on trying the /proc filesystem */
-		&& (mountTable = setmntent("/proc/mounts", "r")) == 0) {
-#endif
+			/* Bummer.  fall back on trying the /proc filesystem */
+			&& (mountTable = setmntent("/proc/mounts", "r")) == 0) {
 		perror_msg("%s", mtab_file);
 		return;
 	}
@@ -74,14 +70,12 @@
 		if (length > 1 && directory[length - 1] == '/')
 			directory[length - 1] = '\0';
 
-#ifdef BB_FEATURE_USE_PROCFS
 		if (filesystemType == 0) {
 			struct mntent *p = find_mount_point(blockDevice, "/proc/mounts");
 
 			if (p && p->mnt_type)
 				filesystemType = p->mnt_type;
 		}
-#endif
 		m.mnt_fsname = blockDevice;
 		m.mnt_dir = directory;
 		m.mnt_type = filesystemType ? filesystemType : "default";