OSDN Git Service

2006-04-11 Jeff Johnston <jjohnstn@redhat.com>
[pf3gnuchains/pf3gnuchains4x.git] / newlib / libm / machine / Makefile.in
1 # Makefile.in generated by automake 1.9.5 from Makefile.am.
2 # @configure_input@
3
4 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
5 # 2003, 2004, 2005  Free Software Foundation, Inc.
6 # This Makefile.in is free software; the Free Software Foundation
7 # gives unlimited permission to copy and/or distribute it,
8 # with or without modifications, as long as this notice is preserved.
9
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
12 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
13 # PARTICULAR PURPOSE.
14
15 @SET_MAKE@
16
17 SOURCES = lib.c
18
19 srcdir = @srcdir@
20 top_srcdir = @top_srcdir@
21 VPATH = @srcdir@
22 pkgdatadir = $(datadir)/@PACKAGE@
23 pkglibdir = $(libdir)/@PACKAGE@
24 pkgincludedir = $(includedir)/@PACKAGE@
25 top_builddir = .
26 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
27 INSTALL = @INSTALL@
28 install_sh_DATA = $(install_sh) -c -m 644
29 install_sh_PROGRAM = $(install_sh) -c
30 install_sh_SCRIPT = $(install_sh) -c
31 INSTALL_HEADER = $(INSTALL_DATA)
32 transform = $(program_transform_name)
33 NORMAL_INSTALL = :
34 PRE_INSTALL = :
35 POST_INSTALL = :
36 NORMAL_UNINSTALL = :
37 PRE_UNINSTALL = :
38 POST_UNINSTALL = :
39 build_triplet = @build@
40 host_triplet = @host@
41 target_triplet = @target@
42 DIST_COMMON = $(srcdir)/../../../config.guess \
43         $(srcdir)/../../../config.sub $(srcdir)/Makefile.in \
44         $(srcdir)/Makefile.am $(top_srcdir)/configure \
45         $(am__configure_deps) $(srcdir)/../../../mkinstalldirs \
46         $(srcdir)/../../../ltmain.sh $(srcdir)/../../../config.guess \
47         $(srcdir)/../../../config.sub
48 subdir = .
49 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
50 am__aclocal_m4_deps = $(top_srcdir)/../../acinclude.m4 \
51         $(top_srcdir)/../../libtool.m4 $(top_srcdir)/configure.in
52 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
53         $(ACLOCAL_M4)
54 am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
55  configure.lineno configure.status.lineno
56 mkinstalldirs = $(SHELL) $(top_srcdir)/../../../mkinstalldirs
57 CONFIG_CLEAN_FILES =
58 LIBRARIES = $(noinst_LIBRARIES)
59 ARFLAGS = cru
60 lib_a_AR = $(AR) $(ARFLAGS)
61 lib_a_LIBADD =
62 lib_a_SOURCES = lib.c
63 lib_a_OBJECTS = lib.$(OBJEXT)
64 DEFAULT_INCLUDES = -I. -I$(srcdir)
65 depcomp =
66 am__depfiles_maybe =
67 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
68         $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
69 LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) \
70         $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
71         $(AM_CFLAGS) $(CFLAGS)
72 CCLD = $(CC)
73 LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
74         $(AM_LDFLAGS) $(LDFLAGS) -o $@
75 SOURCES = lib.c
76 RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
77         html-recursive info-recursive install-data-recursive \
78         install-exec-recursive install-info-recursive \
79         install-recursive installcheck-recursive installdirs-recursive \
80         pdf-recursive ps-recursive uninstall-info-recursive \
81         uninstall-recursive
82 ETAGS = etags
83 CTAGS = ctags
84 DIST_SUBDIRS = $(SUBDIRS)
85 ACLOCAL = @ACLOCAL@
86 AMDEP_FALSE = @AMDEP_FALSE@
87 AMDEP_TRUE = @AMDEP_TRUE@
88 AMTAR = @AMTAR@
89 AR = @AR@
90 AS = @AS@
91 AUTOCONF = @AUTOCONF@
92 AUTOHEADER = @AUTOHEADER@
93 AUTOMAKE = @AUTOMAKE@
94 AWK = @AWK@
95 CC = @CC@
96 CCAS = @CCAS@
97 CCASFLAGS = @CCASFLAGS@
98 CCDEPMODE = @CCDEPMODE@
99 CFLAGS = @CFLAGS@
100 CPPFLAGS = @CPPFLAGS@
101 CYGPATH_W = @CYGPATH_W@
102 DEFS = @DEFS@
103 DEPDIR = @DEPDIR@
104 ECHO_C = @ECHO_C@
105 ECHO_N = @ECHO_N@
106 ECHO_T = @ECHO_T@
107 ELIX_LEVEL_0_FALSE = @ELIX_LEVEL_0_FALSE@
108 ELIX_LEVEL_0_TRUE = @ELIX_LEVEL_0_TRUE@
109 ELIX_LEVEL_1_FALSE = @ELIX_LEVEL_1_FALSE@
110 ELIX_LEVEL_1_TRUE = @ELIX_LEVEL_1_TRUE@
111 ELIX_LEVEL_2_FALSE = @ELIX_LEVEL_2_FALSE@
112 ELIX_LEVEL_2_TRUE = @ELIX_LEVEL_2_TRUE@
113 ELIX_LEVEL_3_FALSE = @ELIX_LEVEL_3_FALSE@
114 ELIX_LEVEL_3_TRUE = @ELIX_LEVEL_3_TRUE@
115 ELIX_LEVEL_4_FALSE = @ELIX_LEVEL_4_FALSE@
116 ELIX_LEVEL_4_TRUE = @ELIX_LEVEL_4_TRUE@
117 EXEEXT = @EXEEXT@
118 HAVE_LIBM_MACHINE_DIR_FALSE = @HAVE_LIBM_MACHINE_DIR_FALSE@
119 HAVE_LIBM_MACHINE_DIR_TRUE = @HAVE_LIBM_MACHINE_DIR_TRUE@
120 INSTALL_DATA = @INSTALL_DATA@
121 INSTALL_PROGRAM = @INSTALL_PROGRAM@
122 INSTALL_SCRIPT = @INSTALL_SCRIPT@
123 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
124 LDFLAGS = @LDFLAGS@
125 LIBOBJS = @LIBOBJS@
126 LIBS = @LIBS@
127 LIBTOOL = @LIBTOOL@
128 LN_S = @LN_S@
129 LTLIBOBJS = @LTLIBOBJS@
130 MAINT = @MAINT@
131 MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
132 MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
133 MAKEINFO = @MAKEINFO@
134 MAY_SUPPLY_SYSCALLS_FALSE = @MAY_SUPPLY_SYSCALLS_FALSE@
135 MAY_SUPPLY_SYSCALLS_TRUE = @MAY_SUPPLY_SYSCALLS_TRUE@
136 NEWLIB_CFLAGS = @NEWLIB_CFLAGS@
137 OBJEXT = @OBJEXT@
138 PACKAGE = @PACKAGE@
139 PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
140 PACKAGE_NAME = @PACKAGE_NAME@
141 PACKAGE_STRING = @PACKAGE_STRING@
142 PACKAGE_TARNAME = @PACKAGE_TARNAME@
143 PACKAGE_VERSION = @PACKAGE_VERSION@
144 PATH_SEPARATOR = @PATH_SEPARATOR@
145 RANLIB = @RANLIB@
146 SET_MAKE = @SET_MAKE@
147 SHELL = @SHELL@
148 STRIP = @STRIP@
149 USE_LIBTOOL_FALSE = @USE_LIBTOOL_FALSE@
150 USE_LIBTOOL_TRUE = @USE_LIBTOOL_TRUE@
151 VERSION = @VERSION@
152 ac_ct_AR = @ac_ct_AR@
153 ac_ct_AS = @ac_ct_AS@
154 ac_ct_CC = @ac_ct_CC@
155 ac_ct_RANLIB = @ac_ct_RANLIB@
156 ac_ct_STRIP = @ac_ct_STRIP@
157 aext = @aext@
158 am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
159 am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
160 am__include = @am__include@
161 am__leading_dot = @am__leading_dot@
162 am__quote = @am__quote@
163 am__tar = @am__tar@
164 am__untar = @am__untar@
165 bindir = @bindir@
166 build = @build@
167 build_alias = @build_alias@
168 build_cpu = @build_cpu@
169 build_os = @build_os@
170 build_vendor = @build_vendor@
171 datadir = @datadir@
172 exec_prefix = @exec_prefix@
173 host = @host@
174 host_alias = @host_alias@
175 host_cpu = @host_cpu@
176 host_os = @host_os@
177 host_vendor = @host_vendor@
178 includedir = @includedir@
179 infodir = @infodir@
180 install_sh = @install_sh@
181 libdir = @libdir@
182 libexecdir = @libexecdir@
183 libm_machine_dir = @libm_machine_dir@
184 localstatedir = @localstatedir@
185 lpfx = @lpfx@
186 machine_dir = @machine_dir@
187 machlib = @machlib@
188 mandir = @mandir@
189 mkdir_p = @mkdir_p@
190 newlib_basedir = @newlib_basedir@
191 oext = @oext@
192 oldincludedir = @oldincludedir@
193 prefix = @prefix@
194 program_transform_name = @program_transform_name@
195 sbindir = @sbindir@
196 sharedstatedir = @sharedstatedir@
197 subdirs = @subdirs@
198 sys_dir = @sys_dir@
199 sysconfdir = @sysconfdir@
200 target = @target@
201 target_alias = @target_alias@
202 target_cpu = @target_cpu@
203 target_os = @target_os@
204 target_vendor = @target_vendor@
205 AUTOMAKE_OPTIONS = cygnus
206 SUBDIRS = $(libm_machine_dir) .
207 @HAVE_LIBM_MACHINE_DIR_TRUE@LIBM_MACHLIB = lib.a
208 @USE_LIBTOOL_FALSE@noinst_LIBRARIES = $(LIBM_MACHLIB)
209 ACLOCAL_AMFLAGS = -I ../..
210 CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
211 all: all-recursive
212
213 .SUFFIXES:
214 .SUFFIXES: .c .lo .o .obj
215 am--refresh:
216         @:
217 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
218         @for dep in $?; do \
219           case '$(am__configure_deps)' in \
220             *$$dep*) \
221               echo ' cd $(srcdir) && $(AUTOMAKE) --cygnus '; \
222               cd $(srcdir) && $(AUTOMAKE) --cygnus  \
223                 && exit 0; \
224               exit 1;; \
225           esac; \
226         done; \
227         echo ' cd $(top_srcdir) && $(AUTOMAKE) --cygnus  Makefile'; \
228         cd $(top_srcdir) && \
229           $(AUTOMAKE) --cygnus  Makefile
230 .PRECIOUS: Makefile
231 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
232         @case '$?' in \
233           *config.status*) \
234             echo ' $(SHELL) ./config.status'; \
235             $(SHELL) ./config.status;; \
236           *) \
237             echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
238             cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
239         esac;
240
241 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
242         $(SHELL) ./config.status --recheck
243
244 $(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
245         cd $(srcdir) && $(AUTOCONF)
246 $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
247         cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
248
249 clean-noinstLIBRARIES:
250         -test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
251 @USE_LIBTOOL_TRUE@lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES) 
252 @USE_LIBTOOL_TRUE@      -rm -f lib.a
253 @USE_LIBTOOL_TRUE@      $(lib_a_AR) lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD)
254 @USE_LIBTOOL_TRUE@      $(RANLIB) lib.a
255
256 mostlyclean-compile:
257         -rm -f *.$(OBJEXT)
258
259 distclean-compile:
260         -rm -f *.tab.c
261
262 .c.o:
263         $(COMPILE) -c $<
264
265 .c.obj:
266         $(COMPILE) -c `$(CYGPATH_W) '$<'`
267
268 .c.lo:
269         $(LTCOMPILE) -c -o $@ $<
270
271 mostlyclean-libtool:
272         -rm -f *.lo
273
274 clean-libtool:
275         -rm -rf .libs _libs
276
277 distclean-libtool:
278         -rm -f libtool
279 uninstall-info-am:
280
281 # This directory's subdirectories are mostly independent; you can cd
282 # into them and run `make' without going through this Makefile.
283 # To change the values of `make' variables: instead of editing Makefiles,
284 # (1) if the variable is set in `config.status', edit `config.status'
285 #     (which will cause the Makefiles to be regenerated when you run `make');
286 # (2) otherwise, pass the desired values on the `make' command line.
287 $(RECURSIVE_TARGETS):
288         @failcom='exit 1'; \
289         for f in x $$MAKEFLAGS; do \
290           case $$f in \
291             *=* | --[!k]*);; \
292             *k*) failcom='fail=yes';; \
293           esac; \
294         done; \
295         dot_seen=no; \
296         target=`echo $@ | sed s/-recursive//`; \
297         list='$(SUBDIRS)'; for subdir in $$list; do \
298           echo "Making $$target in $$subdir"; \
299           if test "$$subdir" = "."; then \
300             dot_seen=yes; \
301             local_target="$$target-am"; \
302           else \
303             local_target="$$target"; \
304           fi; \
305           (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
306           || eval $$failcom; \
307         done; \
308         if test "$$dot_seen" = "no"; then \
309           $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
310         fi; test -z "$$fail"
311
312 mostlyclean-recursive clean-recursive distclean-recursive \
313 maintainer-clean-recursive:
314         @failcom='exit 1'; \
315         for f in x $$MAKEFLAGS; do \
316           case $$f in \
317             *=* | --[!k]*);; \
318             *k*) failcom='fail=yes';; \
319           esac; \
320         done; \
321         dot_seen=no; \
322         case "$@" in \
323           distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
324           *) list='$(SUBDIRS)' ;; \
325         esac; \
326         rev=''; for subdir in $$list; do \
327           if test "$$subdir" = "."; then :; else \
328             rev="$$subdir $$rev"; \
329           fi; \
330         done; \
331         rev="$$rev ."; \
332         target=`echo $@ | sed s/-recursive//`; \
333         for subdir in $$rev; do \
334           echo "Making $$target in $$subdir"; \
335           if test "$$subdir" = "."; then \
336             local_target="$$target-am"; \
337           else \
338             local_target="$$target"; \
339           fi; \
340           (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
341           || eval $$failcom; \
342         done && test -z "$$fail"
343 tags-recursive:
344         list='$(SUBDIRS)'; for subdir in $$list; do \
345           test "$$subdir" = . || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
346         done
347 ctags-recursive:
348         list='$(SUBDIRS)'; for subdir in $$list; do \
349           test "$$subdir" = . || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) ctags); \
350         done
351
352 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
353         list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
354         unique=`for i in $$list; do \
355             if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
356           done | \
357           $(AWK) '    { files[$$0] = 1; } \
358                END { for (i in files) print i; }'`; \
359         mkid -fID $$unique
360 tags: TAGS
361
362 TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
363                 $(TAGS_FILES) $(LISP)
364         tags=; \
365         here=`pwd`; \
366         if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
367           include_option=--etags-include; \
368           empty_fix=.; \
369         else \
370           include_option=--include; \
371           empty_fix=; \
372         fi; \
373         list='$(SUBDIRS)'; for subdir in $$list; do \
374           if test "$$subdir" = .; then :; else \
375             test ! -f $$subdir/TAGS || \
376               tags="$$tags $$include_option=$$here/$$subdir/TAGS"; \
377           fi; \
378         done; \
379         list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
380         unique=`for i in $$list; do \
381             if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
382           done | \
383           $(AWK) '    { files[$$0] = 1; } \
384                END { for (i in files) print i; }'`; \
385         if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
386           test -n "$$unique" || unique=$$empty_fix; \
387           $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
388             $$tags $$unique; \
389         fi
390 ctags: CTAGS
391 CTAGS: ctags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
392                 $(TAGS_FILES) $(LISP)
393         tags=; \
394         here=`pwd`; \
395         list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
396         unique=`for i in $$list; do \
397             if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
398           done | \
399           $(AWK) '    { files[$$0] = 1; } \
400                END { for (i in files) print i; }'`; \
401         test -z "$(CTAGS_ARGS)$$tags$$unique" \
402           || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
403              $$tags $$unique
404
405 GTAGS:
406         here=`$(am__cd) $(top_builddir) && pwd` \
407           && cd $(top_srcdir) \
408           && gtags -i $(GTAGS_ARGS) $$here
409
410 distclean-tags:
411         -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
412 check-am:
413 check: check-recursive
414 all-am: Makefile $(LIBRARIES)
415 installdirs: installdirs-recursive
416 installdirs-am:
417 install: install-recursive
418 install-exec: install-exec-recursive
419 install-data: install-data-recursive
420 uninstall: uninstall-recursive
421
422 install-am: all-am
423         @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
424
425 installcheck: installcheck-recursive
426 install-strip:
427         $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
428           install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
429           `test -z '$(STRIP)' || \
430             echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
431 mostlyclean-generic:
432
433 clean-generic:
434
435 distclean-generic:
436         -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
437
438 maintainer-clean-generic:
439         @echo "This command is intended for maintainers to use"
440         @echo "it deletes files that may require special tools to rebuild."
441 clean: clean-recursive
442
443 clean-am: clean-generic clean-libtool clean-noinstLIBRARIES \
444         mostlyclean-am
445
446 distclean: distclean-recursive
447         -rm -f $(am__CONFIG_DISTCLEAN_FILES)
448         -rm -f Makefile
449 distclean-am: clean-am distclean-compile distclean-generic \
450         distclean-libtool distclean-tags
451
452 dvi: dvi-recursive
453
454 dvi-am:
455
456 html: html-recursive
457
458 info: info-recursive
459
460 info-am:
461
462 install-data-am:
463
464 install-exec-am:
465
466 install-info: install-info-recursive
467
468 install-man:
469
470 installcheck-am:
471
472 maintainer-clean: maintainer-clean-recursive
473         -rm -f $(am__CONFIG_DISTCLEAN_FILES)
474         -rm -rf $(top_srcdir)/autom4te.cache
475         -rm -f Makefile
476 maintainer-clean-am: distclean-am maintainer-clean-generic
477
478 mostlyclean: mostlyclean-recursive
479
480 mostlyclean-am: mostlyclean-compile mostlyclean-generic \
481         mostlyclean-libtool
482
483 pdf: pdf-recursive
484
485 pdf-am:
486
487 ps: ps-recursive
488
489 ps-am:
490
491 uninstall-am:
492
493 uninstall-info: uninstall-info-recursive
494
495 .PHONY: $(RECURSIVE_TARGETS) CTAGS GTAGS all all-am am--refresh check \
496         check-am clean clean-generic clean-libtool \
497         clean-noinstLIBRARIES clean-recursive ctags ctags-recursive \
498         distclean distclean-compile distclean-generic \
499         distclean-libtool distclean-recursive distclean-tags dvi \
500         dvi-am html html-am info info-am install install-am \
501         install-data install-data-am install-exec install-exec-am \
502         install-info install-info-am install-man install-strip \
503         installcheck installcheck-am installdirs installdirs-am \
504         maintainer-clean maintainer-clean-generic \
505         maintainer-clean-recursive mostlyclean mostlyclean-compile \
506         mostlyclean-generic mostlyclean-libtool mostlyclean-recursive \
507         pdf pdf-am ps ps-am tags tags-recursive uninstall uninstall-am \
508         uninstall-info-am
509
510
511 @USE_LIBTOOL_FALSE@lib.a: $(libm_machine_dir)/lib.a
512 @USE_LIBTOOL_FALSE@     rm -f $@
513 @USE_LIBTOOL_FALSE@     ln $(libm_machine_dir)/lib.a $@ >/dev/null 2>/dev/null || \
514 @USE_LIBTOOL_FALSE@      cp $(libm_machine_dir)/lib.a $@
515
516 $(libm_machine_dir)/lib.a:
517
518 doc:
519 # Tell versions [3.59,3.63) of GNU make to not export all variables.
520 # Otherwise a system limit (for SysV at least) may be exceeded.
521 .NOEXPORT: