Only in lbzip2: .lfs.sh.swp
diff -u lbzip2.orig//test.sh lbzip2/test.sh
--- lbzip2.orig//test.sh	2009-11-26 22:38:44.000000000 -0500
+++ lbzip2/test.sh	2011-08-14 19:28:31.746454047 -0400
@@ -99,12 +99,8 @@
 }
 EOT
 
-  T_CFLAGS="$(set CFLAGS; set +e; . "$OLDPWD"/lfs.sh)"
-  T_LDFLAGS="$(set LDFLAGS; set +e; . "$OLDPWD"/lfs.sh)"
-  T_LIBS="$(set LIBS; set +e; . "$OLDPWD"/lfs.sh)"
-
-  $C_CC1 $T_CFLAGS -D _XOPEN_SOURCE=500 $C_CC2 -o scratch/nullfmt -s \
-      $T_LDFLAGS scratch/nullfmt.c $T_LIBS
+  $C_CC1 $CFLAGS $C_CC2 -o scratch/nullfmt -s \
+      $LDFLAGS scratch/nullfmt.c $LIBS
   C_NULLFMT="$(scratch/nullfmt)"
 fi
 readonly C_NULLFMT