--- a/m4/Makefile.in
+++ b/m4/Makefile.in
@@ -70,7 +70,6 @@
 CXXCPP = @CXXCPP@
 DATADIRNAME = @DATADIRNAME@
 DEPDIR = @DEPDIR@
-DF_PROG = @DF_PROG@
 GENCAT = @GENCAT@
 GETCONF = @GETCONF@
 GMOFILES = @GMOFILES@
@@ -91,6 +90,7 @@
 PERL = @PERL@
 POFILES = @POFILES@
 POSUB = @POSUB@
+POW_LIBM = @POW_LIBM@
 RANLIB = @RANLIB@
 U = @U@
 USE_INCLUDED_LIBINTL = @USE_INCLUDED_LIBINTL@