# Generated automatically from Makefile.in by configure.
# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am

# Copyright (C) 1994, 1995-8, 1999, 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.

#
#   $Id$
#
#   Authors:
#    Lars Fenneberg		<lf@elemental.net>	 
#
#   This software is Copyright 1996,1997 by the above mentioned author(s), 
#   All Rights Reserved.
#
#   The license which is distributed with this software in the file COPYRIGHT
#   applies to this software. If your distribution is missing this file, you
#   may request it from <pekkas@netcore.fi>.
#


SHELL = /bin/sh

srcdir = .
top_srcdir = .
prefix = /usr/local
exec_prefix = ${prefix}

bindir = ${exec_prefix}/bin
sbindir = ${exec_prefix}/sbin
libexecdir = ${exec_prefix}/libexec
datadir = ${prefix}/share
sysconfdir = ${prefix}/etc
sharedstatedir = ${prefix}/com
localstatedir = ${prefix}/var
libdir = ${exec_prefix}/lib
infodir = ${prefix}/info
mandir = ${prefix}/man
includedir = ${prefix}/include
oldincludedir = /usr/include

DESTDIR =

pkgdatadir = $(datadir)/radvd
pkglibdir = $(libdir)/radvd
pkgincludedir = $(includedir)/radvd

top_builddir = .

ACLOCAL = aclocal
AUTOCONF = autoconf
AUTOMAKE = automake
AUTOHEADER = autoheader

INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL} $(AM_INSTALL_PROGRAM_FLAGS)
INSTALL_DATA = ${INSTALL} -m 644
INSTALL_SCRIPT = ${INSTALL_PROGRAM}
transform = s,x,x,

NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
build_alias = x86_64-unknown-linux-gnu
build_triplet = x86_64-unknown-linux-gnu
host_alias = x86_64-unknown-linux-gnu
host_triplet = x86_64-unknown-linux-gnu
target_alias = x86_64-unknown-linux-gnu
target_triplet = x86_64-unknown-linux-gnu
CC = gcc
GZIP = /bin/gzip
LEX = flex
LN = /bin/ln
LOG_FACILITY = LOG_DAEMON
MAKEINFO = makeinfo
PACKAGE = radvd
PATH_RADVD_CONF = ${prefix}/etc/radvd.conf
PATH_RADVD_LOG = /var/log/radvd.log
PATH_RADVD_PID = /var/run/radvd.pid
RM = /bin/rm
SED = /bin/sed
TAR = /bin/tar
VERSION = 1.0
YACC = bison -y

AUTOMAKE_OPTIONS = 1.2 foreign

DEFS = -DPATH_RADVD_CONF=\"$(PATH_RADVD_CONF)\" \
	-DPATH_RADVD_LOG=\"$(PATH_RADVD_LOG)\" -DLOG_FACILITY=$(LOG_FACILITY) \
	-DPATH_RADVD_PID=\"$(PATH_RADVD_PID)\" \
	-DVERSION=\"$(VERSION)\" -DINET6=1

INCLUDES = -I$(srcdir) -I.

########################################################################

COMMON_SRC = log.c socket.c recv.c util.c radvd.h defaults.h pathnames.h \
	includes.h


sbin_PROGRAMS = radvd radvdump

radvd_SOURCES = $(COMMON_SRC) radvd.c timer.c send.c process.c interface.c \
	device.c device-common.c gram.y gram.h scanner.l

radvd_LDADD = -lfl
EXTRA_radvd_SOURCES = device-linux.c device-bsd44.c
YFLAGS = -d
CFLAGS = -g -O2 -Wall -Wpointer-arith  -Wcast-qual -Wcast-align -Wconversion \
	-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations


radvdump_SOURCES = $(COMMON_SRC) radvdump.c

man_MANS = radvd.8 radvdump.8 radvd.conf.5
EXTRA_DIST = radvd.8.man radvdump.8.man radvd.conf.5.man VERSION CHANGES \
	COPYRIGHT INTRO.html copyright.blurb radvd.conf.example

BUILT_SOURCES = device.c

CLEANFILES = radvd.8 radvdump.8 radvd.conf.5
DISTCLEANFILES = device.c

SUFFIXES = .man
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
CONFIG_HEADER = config.h
CONFIG_CLEAN_FILES = 
PROGRAMS =  $(sbin_PROGRAMS)

CPPFLAGS = 
LDFLAGS = 
LIBS = -lc 
radvd_OBJECTS =  log.o socket.o recv.o util.o radvd.o timer.o send.o \
process.o interface.o device.o device-common.o gram.o scanner.o
radvd_DEPENDENCIES = 
radvd_LDFLAGS = 
radvdump_OBJECTS =  log.o socket.o recv.o util.o radvdump.o
radvdump_LDADD = $(LDADD)
radvdump_DEPENDENCIES = 
radvdump_LDFLAGS = 
LEX_OUTPUT_ROOT = lex.yy
LEXLIB = -lfl
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
man5dir = $(mandir)/man5
man8dir = $(mandir)/man8
MANS = $(man_MANS)

NROFF = nroff
DIST_COMMON =  README ./stamp-h.in Makefile.am Makefile.in TODO \
aclocal.m4 config.guess config.h.in config.sub configure configure.in \
gram.c install-sh missing mkinstalldirs scanner.c


DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)

GZIP_ENV = --best
DEP_FILES =  .deps/device-bsd44.P .deps/device-common.P \
.deps/device-linux.P .deps/device.P .deps/gram.P .deps/interface.P \
.deps/log.P .deps/process.P .deps/radvd.P .deps/radvdump.P .deps/recv.P \
.deps/scanner.P .deps/send.P .deps/socket.P .deps/timer.P .deps/util.P
SOURCES = $(radvd_SOURCES) $(EXTRA_radvd_SOURCES) $(radvdump_SOURCES)
OBJECTS = $(radvd_OBJECTS) $(radvdump_OBJECTS)

all: all-redirect
.SUFFIXES:
.SUFFIXES: .S .c .l .man .o .s .y
$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
	cd $(top_srcdir) && $(AUTOMAKE) --foreign Makefile

Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status $(BUILT_SOURCES)
	cd $(top_builddir) \
	  && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status

$(ACLOCAL_M4):  configure.in 
	cd $(srcdir) && $(ACLOCAL)

config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
	$(SHELL) ./config.status --recheck
$(srcdir)/configure: $(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
	cd $(srcdir) && $(AUTOCONF)

config.h: stamp-h
	@if test ! -f $@; then \
		rm -f stamp-h; \
		$(MAKE) stamp-h; \
	else :; fi
stamp-h: $(srcdir)/config.h.in $(top_builddir)/config.status
	cd $(top_builddir) \
	  && CONFIG_FILES= CONFIG_HEADERS=config.h \
	     $(SHELL) ./config.status
	@echo timestamp > stamp-h 2> /dev/null
$(srcdir)/config.h.in: $(srcdir)/stamp-h.in
	@if test ! -f $@; then \
		rm -f $(srcdir)/stamp-h.in; \
		$(MAKE) $(srcdir)/stamp-h.in; \
	else :; fi
$(srcdir)/stamp-h.in: $(top_srcdir)/configure.in $(ACLOCAL_M4) 
	cd $(top_srcdir) && $(AUTOHEADER)
	@echo timestamp > $(srcdir)/stamp-h.in 2> /dev/null

mostlyclean-hdr:

clean-hdr:

distclean-hdr:
	-rm -f config.h

maintainer-clean-hdr:

mostlyclean-sbinPROGRAMS:

clean-sbinPROGRAMS:
	-test -z "$(sbin_PROGRAMS)" || rm -f $(sbin_PROGRAMS)

distclean-sbinPROGRAMS:

maintainer-clean-sbinPROGRAMS:

install-sbinPROGRAMS: $(sbin_PROGRAMS)
	@$(NORMAL_INSTALL)
	$(mkinstalldirs) $(DESTDIR)$(sbindir)
	@list='$(sbin_PROGRAMS)'; for p in $$list; do \
	  if test -f $$p; then \
	    echo "  $(INSTALL_PROGRAM) $$p $(DESTDIR)$(sbindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`"; \
	     $(INSTALL_PROGRAM) $$p $(DESTDIR)$(sbindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \
	  else :; fi; \
	done

uninstall-sbinPROGRAMS:
	@$(NORMAL_UNINSTALL)
	list='$(sbin_PROGRAMS)'; for p in $$list; do \
	  rm -f $(DESTDIR)$(sbindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \
	done

.s.o:
	$(COMPILE) -c $<

.S.o:
	$(COMPILE) -c $<

mostlyclean-compile:
	-rm -f *.o core *.core

clean-compile:

distclean-compile:
	-rm -f *.tab.c

maintainer-clean-compile:

radvd: $(radvd_OBJECTS) $(radvd_DEPENDENCIES)
	@rm -f radvd
	$(LINK) $(radvd_LDFLAGS) $(radvd_OBJECTS) $(radvd_LDADD) $(LIBS)

radvdump: $(radvdump_OBJECTS) $(radvdump_DEPENDENCIES)
	@rm -f radvdump
	$(LINK) $(radvdump_LDFLAGS) $(radvdump_OBJECTS) $(radvdump_LDADD) $(LIBS)
.l.c:
	$(LEX) $(AM_LFLAGS) $(LFLAGS) $< && mv $(LEX_OUTPUT_ROOT).c $@
.y.c:
	$(YACC) $(AM_YFLAGS) $(YFLAGS) $< && mv y.tab.c $*.c
	if test -f y.tab.h; then \
	if cmp -s y.tab.h $*.h; then rm -f y.tab.h; else mv y.tab.h $*.h; fi; \
	else :; fi
gram.h: gram.c


install-man5:
	$(mkinstalldirs) $(DESTDIR)$(man5dir)
	@list='$(man5_MANS)'; \
	l2='$(man_MANS)'; for i in $$l2; do \
	  case "$$i" in \
	    *.5*) list="$$list $$i" ;; \
	  esac; \
	done; \
	for i in $$list; do \
	  if test -f $(srcdir)/$$i; then file=$(srcdir)/$$i; \
	  else file=$$i; fi; \
	  ext=`echo $$i | sed -e 's/^.*\\.//'`; \
	  inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
	  inst=`echo $$inst | sed '$(transform)'`.$$ext; \
	  echo " $(INSTALL_DATA) $$file $(DESTDIR)$(man5dir)/$$inst"; \
	  $(INSTALL_DATA) $$file $(DESTDIR)$(man5dir)/$$inst; \
	done

uninstall-man5:
	@list='$(man5_MANS)'; \
	l2='$(man_MANS)'; for i in $$l2; do \
	  case "$$i" in \
	    *.5*) list="$$list $$i" ;; \
	  esac; \
	done; \
	for i in $$list; do \
	  ext=`echo $$i | sed -e 's/^.*\\.//'`; \
	  inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
	  inst=`echo $$inst | sed '$(transform)'`.$$ext; \
	  echo " rm -f $(DESTDIR)$(man5dir)/$$inst"; \
	  rm -f $(DESTDIR)$(man5dir)/$$inst; \
	done

install-man8:
	$(mkinstalldirs) $(DESTDIR)$(man8dir)
	@list='$(man8_MANS)'; \
	l2='$(man_MANS)'; for i in $$l2; do \
	  case "$$i" in \
	    *.8*) list="$$list $$i" ;; \
	  esac; \
	done; \
	for i in $$list; do \
	  if test -f $(srcdir)/$$i; then file=$(srcdir)/$$i; \
	  else file=$$i; fi; \
	  ext=`echo $$i | sed -e 's/^.*\\.//'`; \
	  inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
	  inst=`echo $$inst | sed '$(transform)'`.$$ext; \
	  echo " $(INSTALL_DATA) $$file $(DESTDIR)$(man8dir)/$$inst"; \
	  $(INSTALL_DATA) $$file $(DESTDIR)$(man8dir)/$$inst; \
	done

uninstall-man8:
	@list='$(man8_MANS)'; \
	l2='$(man_MANS)'; for i in $$l2; do \
	  case "$$i" in \
	    *.8*) list="$$list $$i" ;; \
	  esac; \
	done; \
	for i in $$list; do \
	  ext=`echo $$i | sed -e 's/^.*\\.//'`; \
	  inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
	  inst=`echo $$inst | sed '$(transform)'`.$$ext; \
	  echo " rm -f $(DESTDIR)$(man8dir)/$$inst"; \
	  rm -f $(DESTDIR)$(man8dir)/$$inst; \
	done
install-man: $(MANS)
	@$(NORMAL_INSTALL)
	$(MAKE) $(AM_MAKEFLAGS) install-man5 install-man8
uninstall-man:
	@$(NORMAL_UNINSTALL)
	$(MAKE) $(AM_MAKEFLAGS) uninstall-man5 uninstall-man8

tags: TAGS

ID: $(HEADERS) $(SOURCES) $(LISP)
	list='$(SOURCES) $(HEADERS)'; \
	unique=`for i in $$list; do echo $$i; done | \
	  awk '    { files[$$0] = 1; } \
	       END { for (i in files) print i; }'`; \
	here=`pwd` && cd $(srcdir) \
	  && mkid -f$$here/ID $$unique $(LISP)

TAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) $(LISP)
	tags=; \
	here=`pwd`; \
	list='$(SOURCES) $(HEADERS)'; \
	unique=`for i in $$list; do echo $$i; done | \
	  awk '    { files[$$0] = 1; } \
	       END { for (i in files) print i; }'`; \
	test -z "$(ETAGS_ARGS)config.h.in$$unique$(LISP)$$tags" \
	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags config.h.in $$unique $(LISP) -o $$here/TAGS)

mostlyclean-tags:

clean-tags:

distclean-tags:
	-rm -f TAGS ID

maintainer-clean-tags:

distdir = $(PACKAGE)-$(VERSION)
top_distdir = $(distdir)

# This target untars the dist file and tries a VPATH configuration.  Then
# it guarantees that the distribution is self-contained by making another
# tarfile.
distcheck: dist
	-rm -rf $(distdir)
	GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz
	mkdir $(distdir)/=build
	mkdir $(distdir)/=inst
	dc_install_base=`cd $(distdir)/=inst && pwd`; \
	cd $(distdir)/=build \
	  && ../configure --srcdir=.. --prefix=$$dc_install_base \
	  && $(MAKE) $(AM_MAKEFLAGS) \
	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
	  && $(MAKE) $(AM_MAKEFLAGS) check \
	  && $(MAKE) $(AM_MAKEFLAGS) install \
	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
	  && $(MAKE) $(AM_MAKEFLAGS) dist
	-rm -rf $(distdir)
	@banner="$(distdir).tar.gz is ready for distribution"; \
	dashes=`echo "$$banner" | sed s/./=/g`; \
	echo "$$dashes"; \
	echo "$$banner"; \
	echo "$$dashes"
dist: distdir
	-chmod -R a+r $(distdir)
	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
	-rm -rf $(distdir)
dist-all: distdir
	-chmod -R a+r $(distdir)
	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
	-rm -rf $(distdir)
distdir: $(DISTFILES)
	-rm -rf $(distdir)
	mkdir $(distdir)
	-chmod 777 $(distdir)
	here=`cd $(top_builddir) && pwd`; \
	top_distdir=`cd $(distdir) && pwd`; \
	distdir=`cd $(distdir) && pwd`; \
	cd $(top_srcdir) \
	  && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --foreign Makefile
	@for file in $(DISTFILES); do \
	  d=$(srcdir); \
	  if test -d $$d/$$file; then \
	    cp -pr $$d/$$file $(distdir)/$$file; \
	  else \
	    test -f $(distdir)/$$file \
	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
	    || cp -p $$d/$$file $(distdir)/$$file || :; \
	  fi; \
	done
	$(MAKE) $(AM_MAKEFLAGS) top_distdir="$(top_distdir)" distdir="$(distdir)" dist-hook

DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)

-include $(DEP_FILES)

mostlyclean-depend:

clean-depend:

distclean-depend:
	-rm -rf .deps

maintainer-clean-depend:

%.o: %.c
	@echo '$(COMPILE) -c $<'; \
	$(COMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
	@-cp .deps/$(*F).pp .deps/$(*F).P; \
	tr ' ' '\012' < .deps/$(*F).pp \
	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
	    >> .deps/$(*F).P; \
	rm .deps/$(*F).pp

%.lo: %.c
	@echo '$(LTCOMPILE) -c $<'; \
	$(LTCOMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
	@-sed -e 's/^\([^:]*\)\.o[ 	]*:/\1.lo \1.o :/' \
	  < .deps/$(*F).pp > .deps/$(*F).P; \
	tr ' ' '\012' < .deps/$(*F).pp \
	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
	    >> .deps/$(*F).P; \
	rm -f .deps/$(*F).pp
info-am:
info: info-am
dvi-am:
dvi: dvi-am
check-am: all-am
check: check-am
installcheck-am:
installcheck: installcheck-am
all-recursive-am: config.h
	$(MAKE) $(AM_MAKEFLAGS) all-recursive

install-exec-am: install-sbinPROGRAMS
install-exec: install-exec-am

install-data-am: install-man
install-data: install-data-am

install-am: all-am
	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
install: install-am
uninstall-am: uninstall-sbinPROGRAMS uninstall-man
uninstall: uninstall-am
all-am: Makefile $(PROGRAMS) $(MANS) config.h
all-redirect: all-am
install-strip:
	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
installdirs:
	$(mkinstalldirs)  $(DESTDIR)$(sbindir) $(DESTDIR)$(mandir)/man5 \
		$(DESTDIR)$(mandir)/man8


mostlyclean-generic:

clean-generic:
	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)

distclean-generic:
	-rm -f Makefile $(CONFIG_CLEAN_FILES)
	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
	-test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)

maintainer-clean-generic:
	-test -z "scannerlgramhgramc$(BUILT_SOURCES)" || rm -f scannerl gramh gramc $(BUILT_SOURCES)
mostlyclean-am:  mostlyclean-hdr mostlyclean-sbinPROGRAMS \
		mostlyclean-compile mostlyclean-tags mostlyclean-depend \
		mostlyclean-generic

mostlyclean: mostlyclean-am

clean-am:  clean-hdr clean-sbinPROGRAMS clean-compile clean-tags \
		clean-depend clean-generic mostlyclean-am

clean: clean-am

distclean-am:  distclean-hdr distclean-sbinPROGRAMS distclean-compile \
		distclean-tags distclean-depend distclean-generic \
		clean-am

distclean: distclean-am
	-rm -f config.status

maintainer-clean-am:  maintainer-clean-hdr maintainer-clean-sbinPROGRAMS \
		maintainer-clean-compile maintainer-clean-tags \
		maintainer-clean-depend maintainer-clean-generic \
		distclean-am
	@echo "This command is intended for maintainers to use;"
	@echo "it deletes files that may require special tools to rebuild."

maintainer-clean: maintainer-clean-am
	-rm -f config.status

.PHONY: mostlyclean-hdr distclean-hdr clean-hdr maintainer-clean-hdr \
mostlyclean-sbinPROGRAMS distclean-sbinPROGRAMS clean-sbinPROGRAMS \
maintainer-clean-sbinPROGRAMS uninstall-sbinPROGRAMS \
install-sbinPROGRAMS mostlyclean-compile distclean-compile \
clean-compile maintainer-clean-compile install-man5 uninstall-man5 \
install-man8 uninstall-man8 install-man uninstall-man tags \
mostlyclean-tags distclean-tags clean-tags maintainer-clean-tags \
distdir mostlyclean-depend distclean-depend clean-depend \
maintainer-clean-depend info-am info dvi-am dvi check check-am \
installcheck-am installcheck all-recursive-am install-exec-am \
install-exec install-data-am install-data install-am install \
uninstall-am uninstall all-redirect all-am all installdirs \
mostlyclean-generic distclean-generic clean-generic \
maintainer-clean-generic clean mostlyclean distclean maintainer-clean


.man:
	$(SED) 	-e 's,@''VERSION''@,$(VERSION),g' \
		-e 's,@''sbindir''@,$(sbindir),g' \
		-e 's,@''PATH_RADVD_CONF''@,$(PATH_RADVD_CONF),g' \
		-e 's,@''PATH_RADVD_PID''@,$(PATH_RADVD_PID),g' \
		-e 's,@''PATH_RADVD_LOG''@,$(PATH_RADVD_LOG),g' \
		-e 's,@''LOG_FACILITY''@,$(LOG_FACILITY),g' \
		$< > $@

dist-hook:
	rm -f $(distdir)/device.c	
	mkdir $(distdir)/redhat
	cp -p $(srcdir)/redhat/radvd.init $(srcdir)/redhat/radvd.spec \
		$(srcdir)/redhat/radvd.sysconfig $(distdir)/redhat

# 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: