diff --git a/rpc/Makefile.in b/rpc/Makefile.in
new file mode 100644
index 000000000..31336b684
--- /dev/null
+++ b/rpc/Makefile.in
@@ -0,0 +1,470 @@
+# Makefile.in generated automatically by automake 1.5 from Makefile.am.
+
+# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+# Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# rpcrig_xdr.c rpcrig_svc.c rpcrig_clnt.c and rpcrig.h are generated by rpcgen
+# have to provide: rpcrig_proc.c rpcrigd.c rpcrig_backend.c
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ..
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = @program_transform_name@
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+host_alias = @host_alias@
+host_triplet = @host@
+AMTAR = @AMTAR@
+AS = @AS@
+AWK = @AWK@
+CC = @CC@
+CPP = @CPP@
+CXX = @CXX@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DLL_PRELOAD = @DLL_PRELOAD@
+ECHO = @ECHO@
+EXEEXT = @EXEEXT@
+INCLTDL = @INCLTDL@
+INCLUDES = @INCLUDES@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LIBHAMLIBTCL = @LIBHAMLIBTCL@
+LIBLTDL = @LIBLTDL@
+LIBOBJS = @LIBOBJS@
+LIBTOOL = @LIBTOOL@
+LN_S = @LN_S@
+LTHAMLIBTCL = @LTHAMLIBTCL@
+NET = @NET@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+RANLIB = @RANLIB@
+RIGMATRIX = @RIGMATRIX@
+STRIP = @STRIP@
+VERSION = @VERSION@
+am__include = @am__include@
+am__quote = @am__quote@
+hamlibdocdir = @hamlibdocdir@
+install_sh = @install_sh@
+
+RPCRIG_SVC = rpcrig_xdr.c rpcrig_svc.c rpcrig_proc.c rpcrigd.c
+RPCRIG_CLNT = rpcrig_xdr.c rpcrig_clnt.c rpcrig_backend.c
+
+# The RPC server
+bin_PROGRAMS = rpc.rigd
+LDADD = ../src/libhamlib.la ../lib/libmisc.a # -lnsl
+DEPENDENCIES = ../src/libhamlib.la
+rpc_rigd_SOURCES = $(RPCRIG_SVC)
+
+# The RPC backend
+lib_LTLIBRARIES = libhamlib-rpcrig.la
+libhamlib_rpcrig_la_SOURCES = $(RPCRIG_CLNT)
+libhamlib_rpcrig_la_LDFLAGS = -no-undefined -module -avoid-version -lnsl
+
+#libhamlib_rpcrig_la_LIBADD = ../src/libhamlib.la
+lib_LIBRARIES = libhamlib-rpcrig.a
+libhamlib_rpcrig_a_SOURCES = $(RPCRIG_CLNT)
+libhamlib_rpcrig_a_LIBADD = ../src/libhamlib.la # -lnsl
+
+noinst_HEADERS = rpcrig.h
+
+RPCGEN = rpcgen
+subdir = rpc
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
+LIBRARIES = $(lib_LIBRARIES)
+
+libhamlib_rpcrig_a_AR = $(AR) cru
+libhamlib_rpcrig_a_DEPENDENCIES = ../src/libhamlib.la
+am_libhamlib_rpcrig_a_OBJECTS = rpcrig_xdr.$(OBJEXT) \
+	rpcrig_clnt.$(OBJEXT) rpcrig_backend.$(OBJEXT)
+libhamlib_rpcrig_a_OBJECTS = $(am_libhamlib_rpcrig_a_OBJECTS)
+LTLIBRARIES = $(lib_LTLIBRARIES)
+
+libhamlib_rpcrig_la_LIBADD =
+am_libhamlib_rpcrig_la_OBJECTS = rpcrig_xdr.lo rpcrig_clnt.lo \
+	rpcrig_backend.lo
+libhamlib_rpcrig_la_OBJECTS = $(am_libhamlib_rpcrig_la_OBJECTS)
+bin_PROGRAMS = rpc.rigd$(EXEEXT)
+PROGRAMS = $(bin_PROGRAMS)
+
+am_rpc_rigd_OBJECTS = rpcrig_xdr.$(OBJEXT) rpcrig_svc.$(OBJEXT) \
+	rpcrig_proc.$(OBJEXT) rpcrigd.$(OBJEXT)
+rpc_rigd_OBJECTS = $(am_rpc_rigd_OBJECTS)
+rpc_rigd_LDADD = $(LDADD)
+rpc_rigd_DEPENDENCIES = ../src/libhamlib.la ../lib/libmisc.a
+rpc_rigd_LDFLAGS =
+
+DEFS = @DEFS@
+DEFAULT_INCLUDES =  -I. -I$(srcdir) -I$(top_builddir)/include
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@
+LIBS = @LIBS@
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+@AMDEP_TRUE@DEP_FILES = $(DEPDIR)/rpcrig_backend.Plo \
+@AMDEP_TRUE@	$(DEPDIR)/rpcrig_backend.Po \
+@AMDEP_TRUE@	$(DEPDIR)/rpcrig_clnt.Plo $(DEPDIR)/rpcrig_clnt.Po \
+@AMDEP_TRUE@	$(DEPDIR)/rpcrig_proc.Po $(DEPDIR)/rpcrig_svc.Po \
+@AMDEP_TRUE@	$(DEPDIR)/rpcrig_xdr.Plo $(DEPDIR)/rpcrig_xdr.Po \
+@AMDEP_TRUE@	$(DEPDIR)/rpcrigd.Po
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) \
+	$(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+CFLAGS = @CFLAGS@
+DIST_SOURCES = $(libhamlib_rpcrig_a_SOURCES) \
+	$(libhamlib_rpcrig_la_SOURCES) $(rpc_rigd_SOURCES)
+HEADERS = $(noinst_HEADERS)
+
+DIST_COMMON = $(noinst_HEADERS) Makefile.am Makefile.in
+SOURCES = $(libhamlib_rpcrig_a_SOURCES) $(libhamlib_rpcrig_la_SOURCES) $(rpc_rigd_SOURCES)
+
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+$(srcdir)/Makefile.in:  Makefile.am  $(top_srcdir)/configure.ac $(ACLOCAL_M4)
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  rpc/Makefile
+Makefile:  $(srcdir)/Makefile.in  $(top_builddir)/config.status
+	cd $(top_builddir) && \
+	  CONFIG_HEADERS= CONFIG_LINKS= \
+	  CONFIG_FILES=$(subdir)/$@ $(SHELL) ./config.status
+
+AR = ar
+install-libLIBRARIES: $(lib_LIBRARIES)
+	@$(NORMAL_INSTALL)
+	$(mkinstalldirs) $(DESTDIR)$(libdir)
+	@list='$(lib_LIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    echo " $(INSTALL_DATA) $$p $(DESTDIR)$(libdir)/$$p"; \
+	    $(INSTALL_DATA) $$p $(DESTDIR)$(libdir)/$$p; \
+	  else :; fi; \
+	done
+	@$(POST_INSTALL)
+	@list='$(lib_LIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    echo " $(RANLIB) $(DESTDIR)$(libdir)/$$p"; \
+	    $(RANLIB) $(DESTDIR)$(libdir)/$$p; \
+	  else :; fi; \
+	done
+
+uninstall-libLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LIBRARIES)'; for p in $$list; do \
+	  echo " rm -f $(DESTDIR)$(libdir)/$$p"; \
+	  rm -f $(DESTDIR)$(libdir)/$$p; \
+	done
+
+clean-libLIBRARIES:
+	-test -z "$(lib_LIBRARIES)" || rm -f $(lib_LIBRARIES)
+libhamlib-rpcrig.a: $(libhamlib_rpcrig_a_OBJECTS) $(libhamlib_rpcrig_a_DEPENDENCIES) 
+	-rm -f libhamlib-rpcrig.a
+	$(libhamlib_rpcrig_a_AR) libhamlib-rpcrig.a $(libhamlib_rpcrig_a_OBJECTS) $(libhamlib_rpcrig_a_LIBADD)
+	$(RANLIB) libhamlib-rpcrig.a
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	$(mkinstalldirs) $(DESTDIR)$(libdir)
+	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    echo " $(LIBTOOL) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$p $(DESTDIR)$(libdir)/$$p"; \
+	    $(LIBTOOL) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$p $(DESTDIR)$(libdir)/$$p; \
+	  else :; fi; \
+	done
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  echo " $(LIBTOOL) --mode=uninstall rm -f $(DESTDIR)$(libdir)/$$p"; \
+	  $(LIBTOOL) --mode=uninstall rm -f $(DESTDIR)$(libdir)/$$p; \
+	done
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+libhamlib-rpcrig.la: $(libhamlib_rpcrig_la_OBJECTS) $(libhamlib_rpcrig_la_DEPENDENCIES) 
+	$(LINK) -rpath $(libdir) $(libhamlib_rpcrig_la_LDFLAGS) $(libhamlib_rpcrig_la_OBJECTS) $(libhamlib_rpcrig_la_LIBADD) $(LIBS)
+install-binPROGRAMS: $(bin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	$(mkinstalldirs) $(DESTDIR)$(bindir)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+	  if test -f $$p \
+	     || test -f $$p1 \
+	  ; then \
+	    f=`echo $$p1|sed '$(transform);s/$$/$(EXEEXT)/'`; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/$$f"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/$$f; \
+	  else :; fi; \
+	done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; for p in $$list; do \
+	  f=`echo $$p|sed 's/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+	  echo " rm -f $(DESTDIR)$(bindir)/$$f"; \
+	  rm -f $(DESTDIR)$(bindir)/$$f; \
+	done
+
+clean-binPROGRAMS:
+	-test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
+rpc.rigd$(EXEEXT): $(rpc_rigd_OBJECTS) $(rpc_rigd_DEPENDENCIES) 
+	@rm -f rpc.rigd$(EXEEXT)
+	$(LINK) $(rpc_rigd_LDFLAGS) $(rpc_rigd_OBJECTS) $(rpc_rigd_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT) core *.core
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_backend.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_backend.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_clnt.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_clnt.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_proc.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_svc.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_xdr.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrig_xdr.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/rpcrigd.Po@am__quote@
+
+distclean-depend:
+	-rm -rf $(DEPDIR)
+
+.c.o:
+@AMDEP_TRUE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@	depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+	$(COMPILE) -c `test -f $< || echo '$(srcdir)/'`$<
+
+.c.obj:
+@AMDEP_TRUE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@	depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+	$(COMPILE) -c `cygpath -w $<`
+
+.c.lo:
+@AMDEP_TRUE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@	depfile='$(DEPDIR)/$*.Plo' tmpdepfile='$(DEPDIR)/$*.TPlo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@	$(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+	$(LTCOMPILE) -c -o $@ `test -f $< || echo '$(srcdir)/'`$<
+CCDEPMODE = @CCDEPMODE@
+uninstall-info-am:
+
+tags: TAGS
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	mkid -fID $$unique $(LISP)
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
+	  || etags $(ETAGS_ARGS) $$tags  $$unique $(LISP)
+
+GTAGS:
+	here=`CDPATH=: && cd $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH
+
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+
+top_distdir = ..
+distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
+
+distdir: $(DISTFILES)
+	@for file in $(DISTFILES); do \
+	  if test -f $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    $(mkinstalldirs) "$(distdir)/$$dir"; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    cp -pR $$d/$$file $(distdir) \
+	    || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LIBRARIES) $(LTLIBRARIES) $(PROGRAMS) $(HEADERS)
+install-binPROGRAMS: install-libLTLIBRARIES
+
+
+installdirs:
+	$(mkinstalldirs) $(DESTDIR)$(libdir) $(DESTDIR)$(libdir) $(DESTDIR)$(bindir)
+
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-rm -f Makefile $(CONFIG_CLEAN_FILES) stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libLIBRARIES \
+	clean-libLTLIBRARIES clean-libtool mostlyclean-am
+
+distclean: distclean-am
+
+distclean-am: clean-am distclean-compile distclean-depend \
+	distclean-generic distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am: install-binPROGRAMS install-libLIBRARIES \
+	install-libLTLIBRARIES
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+uninstall-am: uninstall-binPROGRAMS uninstall-info-am \
+	uninstall-libLIBRARIES uninstall-libLTLIBRARIES
+
+.PHONY: GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libLIBRARIES clean-libLTLIBRARIES \
+	clean-libtool distclean distclean-compile distclean-depend \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am info info-am install install-am install-binPROGRAMS \
+	install-data install-data-am install-exec install-exec-am \
+	install-info install-info-am install-libLIBRARIES \
+	install-libLTLIBRARIES install-man install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool tags uninstall \
+	uninstall-am uninstall-binPROGRAMS uninstall-info-am \
+	uninstall-libLIBRARIES uninstall-libLTLIBRARIES
+
+
+rpcrig.h: rpcrig.x
+	rm -f $@
+	$(RPCGEN) -h rpcrig.x -o $@
+
+rpcrig_clnt.c: rpcrig.x
+	rm -f $@
+	$(RPCGEN) -l rpcrig.x -o $@
+
+rpcrig_svc.c: rpcrig.x
+	rm -f $@
+	$(RPCGEN) -m rpcrig.x -o $@
+
+rpcrig_xdr.c: rpcrig.x
+	rm -f $@
+	$(RPCGEN) -c rpcrig.x -o $@
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT: