toolchain/gcc/zlib/Makefile.in

   1 # Makefile.in generated automatically by automake 1.4 from Makefile.am
   2
   3 # Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
   4 # This Makefile.in is free software; the Free Software Foundation
   5 # gives unlimited permission to copy and/or distribute it,
   6 # with or without modifications, as long as this notice is preserved.
   7
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  10 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  11 # PARTICULAR PURPOSE.
  12
  13
  14 SHELL = @SHELL@
  15
  16 srcdir = @srcdir@
  17 top_srcdir = @top_srcdir@
  18 VPATH = @srcdir@
  19 prefix = @prefix@
  20 exec_prefix = @exec_prefix@
  21
  22 bindir = @bindir@
  23 sbindir = @sbindir@
  24 libexecdir = @libexecdir@
  25 datadir = @datadir@
  26 sysconfdir = @sysconfdir@
  27 sharedstatedir = @sharedstatedir@
  28 localstatedir = @localstatedir@
  29 libdir = @libdir@
  30 infodir = @infodir@
  31 mandir = @mandir@
  32 includedir = @includedir@
  33 oldincludedir = /usr/include
  34
  35 DESTDIR =
  36
  37 pkgdatadir = $(datadir)/@PACKAGE@
  38 pkglibdir = $(libdir)/@PACKAGE@
  39 pkgincludedir = $(includedir)/@PACKAGE@
  40
  41 top_builddir = .
  42
  43 ACLOCAL = @ACLOCAL@
  44 AUTOCONF = @AUTOCONF@
  45 AUTOMAKE = @AUTOMAKE@
  46 AUTOHEADER = @AUTOHEADER@
  47
  48 INSTALL = @INSTALL@
  49 INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
  50 INSTALL_DATA = @INSTALL_DATA@
  51 INSTALL_SCRIPT = @INSTALL_SCRIPT@
  52 transform = @program_transform_name@
  53
  54 NORMAL_INSTALL = :
  55 PRE_INSTALL = :
  56 POST_INSTALL = :
  57 NORMAL_UNINSTALL = :
  58 PRE_UNINSTALL = :
  59 POST_UNINSTALL = :
  60 build_alias = @build_alias@
  61 build_triplet = @build@
  62 host_alias = @host_alias@
  63 host_triplet = @host@
  64 target_alias = @target_alias@
  65 target_triplet = @target@
  66 AS = @AS@
  67 CC = @CC@
  68 COMPPATH = @COMPPATH@
  69 CPP = @CPP@
  70 CXX = @CXX@
  71 CXXCPP = @CXXCPP@
  72 DLLTOOL = @DLLTOOL@
  73 EXEEXT = @EXEEXT@
  74 GCJ = @GCJ@
  75 GCJFLAGS = @GCJFLAGS@
  76 LIBTOOL = @LIBTOOL@
  77 LN_S = @LN_S@
  78 MAINT = @MAINT@
  79 MAKEINFO = @MAKEINFO@
  80 OBJDUMP = @OBJDUMP@
  81 OBJEXT = @OBJEXT@
  82 PACKAGE = @PACKAGE@
  83 RANLIB = @RANLIB@
  84 STRIP = @STRIP@
  85 VERSION = @VERSION@
  86 mkinstalldirs = @mkinstalldirs@
  87 target_all = @target_all@
  88 toolexecdir = @toolexecdir@
  89 toolexeclibdir = @toolexeclibdir@
  90 zlib_basedir = @zlib_basedir@
  91
  92 AUTOMAKE_OPTIONS = cygnus
  93
  94 # Multilib support variables.
  95 MULTISRCTOP =
  96 MULTIBUILDTOP =
  97 MULTIDIRS =
  98 MULTISUBDIR =
  99 MULTIDO = true
 100 MULTICLEAN = true
 101
 102 ZLIB_SOURCES = adler32.c compress.c crc32.c deflate.c deflate.h \
 103 gzio.c infblock.c infblock.h infcodes.c infcodes.h inffast.c inffast.h \
 104 inffixed.h inflate.c inftrees.c inftrees.h infutil.c infutil.h trees.c \
 105 trees.h uncompr.c zconf.h zlib.h zutil.c zutil.h
 106
 107
 108 @TARGET_LIBRARY_TRUE@noinst_LTLIBRARIES = @TARGET_LIBRARY_TRUE@libzgcj_convenience.la
 109 @TARGET_LIBRARY_TRUE@libzgcj_convenience_la_SOURCES = @TARGET_LIBRARY_TRUE@$(ZLIB_SOURCES)
 110 @TARGET_LIBRARY_FALSE@toolexeclib_LIBRARIES = @TARGET_LIBRARY_FALSE@libz.a
 111 @TARGET_LIBRARY_FALSE@libz_a_SOURCES = @TARGET_LIBRARY_FALSE@$(ZLIB_SOURCES)
 112
 113 # Work around what appears to be a GNU make bug handling MAKEFLAGS
 114 # values defined in terms of make variables, as is the case for CC and
 115 # friends when we are called from the top level Makefile.
 116 AM_MAKEFLAGS = \
 117         "AR_FLAGS=$(AR_FLAGS)" \
 118         "CC_FOR_BUILD=$(CC_FOR_BUILD)" \
 119         "CFLAGS=$(CFLAGS)" \
 120         "CXXFLAGS=$(CXXFLAGS)" \
 121         "CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
 122         "CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
 123         "INSTALL=$(INSTALL)" \
 124         "INSTALL_DATA=$(INSTALL_DATA)" \
 125         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
 126         "INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
 127         "LDFLAGS=$(LDFLAGS)" \
 128         "LIBCFLAGS=$(LIBCFLAGS)" \
 129         "LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
 130         "MAKE=$(MAKE)" \
 131         "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
 132         "PICFLAG=$(PICFLAG)" \
 133         "PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
 134         "SHELL=$(SHELL)" \
 135         "EXPECT=$(EXPECT)" \
 136         "RUNTEST=$(RUNTEST)" \
 137         "RUNTESTFLAGS=$(RUNTESTFLAGS)" \
 138         "exec_prefix=$(exec_prefix)" \
 139         "infodir=$(infodir)" \
 140         "libdir=$(libdir)" \
 141         "prefix=$(prefix)" \
 142         "tooldir=$(tooldir)" \
 143         "AR=$(AR)" \
 144         "AS=$(AS)" \
 145         "CC=$(CC)" \
 146         "CXX=$(CXX)" \
 147         "LD=$(LD)" \
 148         "LIBCFLAGS=$(LIBCFLAGS)" \
 149         "NM=$(NM)" \
 150         "PICFLAG=$(PICFLAG)" \
 151         "RANLIB=$(RANLIB)" \
 152         "DESTDIR=$(DESTDIR)"
 153
 154 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 155 CONFIG_CLEAN_FILES =
 156 LIBRARIES =  $(toolexeclib_LIBRARIES)
 157
 158
 159 DEFS = @DEFS@ -I. -I$(srcdir)
 160 CPPFLAGS = @CPPFLAGS@
 161 LDFLAGS = @LDFLAGS@
 162 LIBS = @LIBS@
 163 libz_a_LIBADD =
 164 @TARGET_LIBRARY_FALSE@libz_a_OBJECTS =  adler32.$(OBJEXT) \
 165 @TARGET_LIBRARY_FALSE@compress.$(OBJEXT) crc32.$(OBJEXT) \
 166 @TARGET_LIBRARY_FALSE@deflate.$(OBJEXT) gzio.$(OBJEXT) \
 167 @TARGET_LIBRARY_FALSE@infblock.$(OBJEXT) infcodes.$(OBJEXT) \
 168 @TARGET_LIBRARY_FALSE@inffast.$(OBJEXT) inflate.$(OBJEXT) \
 169 @TARGET_LIBRARY_FALSE@inftrees.$(OBJEXT) infutil.$(OBJEXT) \
 170 @TARGET_LIBRARY_FALSE@trees.$(OBJEXT) uncompr.$(OBJEXT) zutil.$(OBJEXT)
 171 AR = ar
 172 LTLIBRARIES =  $(noinst_LTLIBRARIES)
 173
 174 libzgcj_convenience_la_LDFLAGS =
 175 libzgcj_convenience_la_LIBADD =
 176 @TARGET_LIBRARY_TRUE@libzgcj_convenience_la_OBJECTS =  adler32.lo \
 177 @TARGET_LIBRARY_TRUE@compress.lo crc32.lo deflate.lo gzio.lo \
 178 @TARGET_LIBRARY_TRUE@infblock.lo infcodes.lo inffast.lo inflate.lo \
 179 @TARGET_LIBRARY_TRUE@inftrees.lo infutil.lo trees.lo uncompr.lo \
 180 @TARGET_LIBRARY_TRUE@zutil.lo
 181 CFLAGS = @CFLAGS@
 182 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 183 LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 184 CCLD = $(CC)
 185 LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
 186 DIST_COMMON =  README ChangeLog Makefile.am Makefile.in acinclude.m4 \
 187 aclocal.m4 configure configure.in
 188
 189
 190 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 191
 192 TAR = gtar
 193 GZIP_ENV = --best
 194 SOURCES = $(libz_a_SOURCES) $(libzgcj_convenience_la_SOURCES)
 195 OBJECTS = $(libz_a_OBJECTS) $(libzgcj_convenience_la_OBJECTS)
 196
 197 all: all-redirect
 198 .SUFFIXES:
 199 .SUFFIXES: .S .c .lo .o .obj .s
 200 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
 201         cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile
 202
 203 Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status
 204         cd $(top_builddir) \
 205           && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
 206
 207 $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ configure.in  acinclude.m4
 208         cd $(srcdir) && $(ACLOCAL)
 209
 210 config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 211         $(SHELL) ./config.status --recheck
 212 $(srcdir)/configure: @MAINTAINER_MODE_TRUE@$(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
 213         cd $(srcdir) && $(AUTOCONF)
 214
 215 mostlyclean-toolexeclibLIBRARIES:
 216
 217 clean-toolexeclibLIBRARIES:
 218         -test -z "$(toolexeclib_LIBRARIES)" || rm -f $(toolexeclib_LIBRARIES)
 219
 220 distclean-toolexeclibLIBRARIES:
 221
 222 maintainer-clean-toolexeclibLIBRARIES:
 223
 224 install-toolexeclibLIBRARIES: $(toolexeclib_LIBRARIES)
 225         @$(NORMAL_INSTALL)
 226         $(mkinstalldirs) $(DESTDIR)$(toolexeclibdir)
 227         @list='$(toolexeclib_LIBRARIES)'; for p in $$list; do \
 228           if test -f $$p; then \
 229             echo " $(INSTALL_DATA) $$p $(DESTDIR)$(toolexeclibdir)/$$p"; \
 230             $(INSTALL_DATA) $$p $(DESTDIR)$(toolexeclibdir)/$$p; \
 231           else :; fi; \
 232         done
 233         @$(POST_INSTALL)
 234         @list='$(toolexeclib_LIBRARIES)'; for p in $$list; do \
 235           if test -f $$p; then \
 236             echo " $(RANLIB) $(DESTDIR)$(toolexeclibdir)/$$p"; \
 237             $(RANLIB) $(DESTDIR)$(toolexeclibdir)/$$p; \
 238           else :; fi; \
 239         done
 240
 241 uninstall-toolexeclibLIBRARIES:
 242         @$(NORMAL_UNINSTALL)
 243         list='$(toolexeclib_LIBRARIES)'; for p in $$list; do \
 244           rm -f $(DESTDIR)$(toolexeclibdir)/$$p; \
 245         done
 246
 247 .c.o:
 248         $(COMPILE) -c $<
 249
 250 # FIXME: We should only use cygpath when building on Windows,
 251 # and only if it is available.
 252 .c.obj:
 253         $(COMPILE) -c `cygpath -w $<`
 254
 255 .s.o:
 256         $(COMPILE) -c $<
 257
 258 .S.o:
 259         $(COMPILE) -c $<
 260
 261 mostlyclean-compile:
 262         -rm -f *.o core *.core
 263         -rm -f *.$(OBJEXT)
 264
 265 clean-compile:
 266
 267 distclean-compile:
 268         -rm -f *.tab.c
 269
 270 maintainer-clean-compile:
 271
 272 .c.lo:
 273         $(LIBTOOL) --mode=compile $(COMPILE) -c $<
 274
 275 .s.lo:
 276         $(LIBTOOL) --mode=compile $(COMPILE) -c $<
 277
 278 .S.lo:
 279         $(LIBTOOL) --mode=compile $(COMPILE) -c $<
 280
 281 mostlyclean-libtool:
 282         -rm -f *.lo
 283
 284 clean-libtool:
 285         -rm -rf .libs _libs
 286
 287 distclean-libtool:
 288
 289 maintainer-clean-libtool:
 290
 291 libz.a: $(libz_a_OBJECTS) $(libz_a_DEPENDENCIES)
 292         -rm -f libz.a
 293         $(AR) cru libz.a $(libz_a_OBJECTS) $(libz_a_LIBADD)
 294         $(RANLIB) libz.a
 295
 296 mostlyclean-noinstLTLIBRARIES:
 297
 298 clean-noinstLTLIBRARIES:
 299         -test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
 300
 301 distclean-noinstLTLIBRARIES:
 302
 303 maintainer-clean-noinstLTLIBRARIES:
 304
 305 libzgcj_convenience.la: $(libzgcj_convenience_la_OBJECTS) $(libzgcj_convenience_la_DEPENDENCIES)
 306         $(LINK)  $(libzgcj_convenience_la_LDFLAGS) $(libzgcj_convenience_la_OBJECTS) $(libzgcj_convenience_la_LIBADD) $(LIBS)
 307
 308 tags: TAGS
 309
 310 ID: $(HEADERS) $(SOURCES) $(LISP)
 311         list='$(SOURCES) $(HEADERS)'; \
 312         unique=`for i in $$list; do echo $$i; done | \
 313           awk '    { files[$$0] = 1; } \
 314                END { for (i in files) print i; }'`; \
 315         here=`pwd` && cd $(srcdir) \
 316           && mkid -f$$here/ID $$unique $(LISP)
 317
 318 TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
 319         tags=; \
 320         here=`pwd`; \
 321         list='$(SOURCES) $(HEADERS)'; \
 322         unique=`for i in $$list; do echo $$i; done | \
 323           awk '    { files[$$0] = 1; } \
 324                END { for (i in files) print i; }'`; \
 325         test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
 326           || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $$unique $(LISP) -o $$here/TAGS)
 327
 328 mostlyclean-tags:
 329
 330 clean-tags:
 331
 332 distclean-tags:
 333         -rm -f TAGS ID
 334
 335 maintainer-clean-tags:
 336
 337 distdir = $(PACKAGE)-$(VERSION)
 338 top_distdir = $(distdir)
 339
 340 # This target untars the dist file and tries a VPATH configuration.  Then
 341 # it guarantees that the distribution is self-contained by making another
 342 # tarfile.
 343 distcheck: dist
 344         -rm -rf $(distdir)
 345         GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz
 346         mkdir $(distdir)/=build
 347         mkdir $(distdir)/=inst
 348         dc_install_base=`cd $(distdir)/=inst && pwd`; \
 349         cd $(distdir)/=build \
 350           && ../configure --srcdir=.. --prefix=$$dc_install_base \
 351           && $(MAKE) $(AM_MAKEFLAGS) \
 352           && $(MAKE) $(AM_MAKEFLAGS) dvi \
 353           && $(MAKE) $(AM_MAKEFLAGS) check \
 354           && $(MAKE) $(AM_MAKEFLAGS) install \
 355           && $(MAKE) $(AM_MAKEFLAGS) installcheck \
 356           && $(MAKE) $(AM_MAKEFLAGS) dist
 357         -rm -rf $(distdir)
 358         @banner="$(distdir).tar.gz is ready for distribution"; \
 359         dashes=`echo "$$banner" | sed s/./=/g`; \
 360         echo "$$dashes"; \
 361         echo "$$banner"; \
 362         echo "$$dashes"
 363 dist: distdir
 364         -chmod -R a+r $(distdir)
 365         GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
 366         -rm -rf $(distdir)
 367 dist-all: distdir
 368         -chmod -R a+r $(distdir)
 369         GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
 370         -rm -rf $(distdir)
 371 distdir: $(DISTFILES)
 372         -rm -rf $(distdir)
 373         mkdir $(distdir)
 374         -chmod 777 $(distdir)
 375         @for file in $(DISTFILES); do \
 376           if test -f $$file; then d=.; else d=$(srcdir); fi; \
 377           if test -d $$d/$$file; then \
 378             cp -pr $$d/$$file $(distdir)/$$file; \
 379           else \
 380             test -f $(distdir)/$$file \
 381             || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
 382             || cp -p $$d/$$file $(distdir)/$$file || :; \
 383           fi; \
 384         done
 385 info-am:
 386 info: info-am
 387 dvi-am:
 388 dvi: dvi-am
 389 check-am:
 390 check: check-am
 391 installcheck-am:
 392 installcheck: installcheck-am
 393 install-info-am:
 394 install-info: install-info-am
 395 install-exec-am: install-toolexeclibLIBRARIES
 396 install-exec: install-exec-am
 397
 398 install-data-am:
 399 install-data: install-data-am
 400
 401 install-am: all-am
 402         @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
 403 install: install-am
 404 uninstall-am: uninstall-toolexeclibLIBRARIES
 405 uninstall: uninstall-am
 406 all-am: Makefile $(LIBRARIES) $(LTLIBRARIES)
 407 all-redirect: all-am
 408 install-strip:
 409         $(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
 410 installdirs:
 411         $(mkinstalldirs)  $(DESTDIR)$(toolexeclibdir)
 412
 413
 414 mostlyclean-generic:
 415
 416 clean-generic:
 417
 418 distclean-generic:
 419         -rm -f Makefile $(CONFIG_CLEAN_FILES)
 420         -rm -f config.cache config.log stamp-h stamp-h[0-9]*
 421
 422 maintainer-clean-generic:
 423 mostlyclean-am:  mostlyclean-toolexeclibLIBRARIES mostlyclean-compile \
 424                 mostlyclean-libtool mostlyclean-noinstLTLIBRARIES \
 425                 mostlyclean-tags mostlyclean-generic
 426
 427 mostlyclean: mostlyclean-am
 428
 429 clean-am:  clean-toolexeclibLIBRARIES clean-compile clean-libtool \
 430                 clean-noinstLTLIBRARIES clean-tags clean-generic \
 431                 mostlyclean-am
 432
 433 clean: clean-am
 434
 435 distclean-am:  distclean-toolexeclibLIBRARIES distclean-compile \
 436                 distclean-libtool distclean-noinstLTLIBRARIES \
 437                 distclean-tags distclean-generic clean-am
 438         -rm -f libtool
 439
 440 distclean: distclean-am
 441         -rm -f config.status
 442
 443 maintainer-clean-am:  maintainer-clean-toolexeclibLIBRARIES \
 444                 maintainer-clean-compile maintainer-clean-libtool \
 445                 maintainer-clean-noinstLTLIBRARIES \
 446                 maintainer-clean-tags maintainer-clean-generic \
 447                 distclean-am
 448         @echo "This command is intended for maintainers to use;"
 449         @echo "it deletes files that may require special tools to rebuild."
 450
 451 maintainer-clean: maintainer-clean-am
 452         -rm -f config.status
 453
 454 .PHONY: mostlyclean-toolexeclibLIBRARIES distclean-toolexeclibLIBRARIES \
 455 clean-toolexeclibLIBRARIES maintainer-clean-toolexeclibLIBRARIES \
 456 uninstall-toolexeclibLIBRARIES install-toolexeclibLIBRARIES \
 457 mostlyclean-compile distclean-compile clean-compile \
 458 maintainer-clean-compile mostlyclean-libtool distclean-libtool \
 459 clean-libtool maintainer-clean-libtool mostlyclean-noinstLTLIBRARIES \
 460 distclean-noinstLTLIBRARIES clean-noinstLTLIBRARIES \
 461 maintainer-clean-noinstLTLIBRARIES tags mostlyclean-tags distclean-tags \
 462 clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \
 463 check-am installcheck-am installcheck install-info-am install-info \
 464 install-exec-am install-exec install-data-am install-data install-am \
 465 install uninstall-am uninstall all-redirect all-am all installdirs \
 466 mostlyclean-generic distclean-generic clean-generic \
 467 maintainer-clean-generic clean mostlyclean distclean maintainer-clean
 468
 469
 470 # Multilib support.
 471 .PHONY: all-multi mostlyclean-multi clean-multi distclean-multi \
 472         maintainer-clean-multi
 473
 474 all-am: all-multi
 475 install-am: install-multi
 476 mostlyclean-am: mostlyclean-multi
 477 clean-am: clean-multi
 478 distclean-am: distclean-multi
 479 maintainer-clean-am: maintainer-clean-multi
 480
 481 all-multi:
 482         : $(MAKE) ; exec $(MULTIDO) $(AM_MAKEFLAGS) DO=all multi-do
 483 install-multi:
 484         $(MULTIDO) $(AM_MAKEFLAGS) DO=install multi-do
 485 mostlyclean-multi:
 486         $(MULTICLEAN) $(AM_MAKEFLAGS) DO=mostlyclean multi-clean
 487 clean-multi:
 488         $(MULTICLEAN) $(AM_MAKEFLAGS) DO=clean multi-clean
 489 distclean-multi:
 490         $(MULTICLEAN) $(AM_MAKEFLAGS) DO=distclean multi-clean
 491 maintainer-clean-multi:
 492         $(MULTICLEAN) $(AM_MAKEFLAGS) DO=maintainer-clean multi-clean
 493
 494 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 495 # Otherwise a system limit (for SysV at least) may be exceeded.
 496 .NOEXPORT: