-sed 's/%@/@@/; s/@%/@@/; s/%;t t\$/@;t t/; /@;t t\$/s/[\\\\&%]/\\\\&/g;
- s/@@/%@/; s/@@/@%/; s/@;t t\$/%;t t/' > \$ac_cs_root.subs <<\\CEOF
-s%@SHELL@%$SHELL%;t t
-s%@CFLAGS@%$CFLAGS%;t t
-s%@CPPFLAGS@%$CPPFLAGS%;t t
-s%@CXXFLAGS@%$CXXFLAGS%;t t
-s%@FFLAGS@%$FFLAGS%;t t
-s%@DEFS@%$DEFS%;t t
-s%@LDFLAGS@%$LDFLAGS%;t t
-s%@LIBS@%$LIBS%;t t
-s%@exec_prefix@%$exec_prefix%;t t
-s%@prefix@%$prefix%;t t
-s%@program_transform_name@%$program_transform_name%;t t
-s%@bindir@%$bindir%;t t
-s%@sbindir@%$sbindir%;t t
-s%@libexecdir@%$libexecdir%;t t
-s%@datadir@%$datadir%;t t
-s%@sysconfdir@%$sysconfdir%;t t
-s%@sharedstatedir@%$sharedstatedir%;t t
-s%@localstatedir@%$localstatedir%;t t
-s%@libdir@%$libdir%;t t
-s%@includedir@%$includedir%;t t
-s%@oldincludedir@%$oldincludedir%;t t
-s%@infodir@%$infodir%;t t
-s%@mandir@%$mandir%;t t
-s%@VERSION@%$VERSION%;t t
-s%@statedir@%$statedir%;t t
-s%@enable_nfsv3@%$enable_nfsv3%;t t
-s%@kprefix@%$kprefix%;t t
-s%@secure_statd@%$secure_statd%;t t
-s%@CC@%$CC%;t t
-s%@CXX@%$CXX%;t t
-s%@CPP@%$CPP%;t t
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%;t t
-s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%;t t
-s%@INSTALL_DATA@%$INSTALL_DATA%;t t
-s%@LIBSOCKET@%$LIBSOCKET%;t t
-s%@LIBNSL@%$LIBNSL%;t t
-s%@LIBCRYPT@%$LIBCRYPT%;t t
-s%@LIBBSD@%$LIBBSD%;t t
-CEOF
+sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
+ s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
+$ac_vpsub
+$extrasub
+s%@SHELL@%$SHELL%g
+s%@CFLAGS@%$CFLAGS%g
+s%@CPPFLAGS@%$CPPFLAGS%g
+s%@CXXFLAGS@%$CXXFLAGS%g
+s%@FFLAGS@%$FFLAGS%g
+s%@DEFS@%$DEFS%g
+s%@LDFLAGS@%$LDFLAGS%g
+s%@LIBS@%$LIBS%g
+s%@exec_prefix@%$exec_prefix%g
+s%@prefix@%$prefix%g
+s%@program_transform_name@%$program_transform_name%g
+s%@bindir@%$bindir%g
+s%@sbindir@%$sbindir%g
+s%@libexecdir@%$libexecdir%g
+s%@datadir@%$datadir%g
+s%@sysconfdir@%$sysconfdir%g
+s%@sharedstatedir@%$sharedstatedir%g
+s%@localstatedir@%$localstatedir%g
+s%@libdir@%$libdir%g
+s%@includedir@%$includedir%g
+s%@oldincludedir@%$oldincludedir%g
+s%@infodir@%$infodir%g
+s%@mandir@%$mandir%g
+s%@VERSION@%$VERSION%g
+s%@statedir@%$statedir%g
+s%@enable_nfsv3@%$enable_nfsv3%g
+s%@kprefix@%$kprefix%g
+s%@secure_statd@%$secure_statd%g
+s%@CC@%$CC%g
+s%@CXX@%$CXX%g
+s%@CPP@%$CPP%g
+s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
+s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@LIBSOCKET@%$LIBSOCKET%g
+s%@LIBNSL@%$LIBNSL%g
+s%@LIBCRYPT@%$LIBCRYPT%g
+s%@LIBBSD@%$LIBBSD%g
+s%@LIBWRAP@%$LIBWRAP%g