Initial revision

diff --git a/vpath.sed b/vpath.sed
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+/^VPATH *=/c\
+# This works only in GNU make.  Using the patterns avoids\
+# object files being found by VPATH, and thus permits building\
+# when $srcdir is configured itself.\
+vpath ymakefile $(srcdir)\
+vpath %.c $(srcdir)\
+vpath %.h $(srcdir)\
+\