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Comparing COMP/SCRAM/src/BuildFile.pm (file contents):
Revision 1.14 by williamc, Thu Apr 1 08:27:33 1999 UTC vs.
Revision 1.21.2.25 by williamc, Wed Oct 13 16:01:18 1999 UTC

#	Line 8 | Line 8 | BEGIN {
8		use ToolBox;
9		$buildfile="BuildFile";
10		$toolbox=ToolBox->new();
11	+	$Arch=1;
12	+	push @ARCHBLOCK, $Arch;
13		}
14
15		#Parse the BuildFile
16		sub ParseBuildFile {
17		my $base=shift;
18	<	my $path=shift;
18	>	$path=shift;
19		my $filename=shift @_;
20		my $fullfilename="$base/$path/$filename";
21		#print "Processing $fullfilename\n";
22		# This hash defines which Document Elements we can use
23	+	$numbins=0;
24	+	$envnum=0;
25	+	$envlevel=0;
26	+	$currentenv="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk";
27		my $SupportedTags={
28		'Use' => \&OutToMakefile,
29		'Use_StartTag' => \&Use_start,
#	Line 32 | Line 38 | sub ParseBuildFile {
38		'Bin' => 'none',
39		'Bin_StartTag' => \&Bin_start,
40		'ClassPath' => \&OutToMakefile,
41	<	'ClassPath_StartTag' => \&setBlockClassPath
41	>	'ClassPath_StartTag' => \&setBlockClassPath,
42	>	'Environment' => \&OutToMakefile,
43	>	'Environment_StartTag' => \&Environment_start,
44	>	'Environment_EndTag' => \&Environment_end,
45	>	'lib' => 'none',
46	>	'lib_StartTag' => \&lib_start,
47	>	'lib_EndTag' => 'none',
48	>	'ignore' => 'none',
49	>	'ignore_EndTag' => \&ignoretag_end,
50	>	'ignore_StartTag' => \&ignoretag,
51	>	'Architecture_StartTag' => \&Arch_Start,
52	>	'Architecture_EndTag' => \&Arch_End,
53	>	'Architecture' => \&OutToMakefile,
54	>	'LibType_StartTag' => \&LibType_Start,
55	>	'LibType_EndTag' => 'none',
56	>	#'LibType' => \&OutToScreen
57	>	'LibType' => \&LibType_text
58		};
59		use Utilities::Switcher;
60		$switch=Switcher->new($SupportedTags, $fullfilename);
#	Line 40 | Line 62 | sub ParseBuildFile {
62		#open a temporary gnumakefile to store output.
63		use Utilities::AddDir;
64		AddDir::adddir("$ENV{LOCALTOP}/$ENV{INTwork}/${path}");
65	<	open ( GNUmakefile, ">$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk") or die 'Unable to open /$ENV{INTwork}/${path}/BuildFile.mk $!\n';
65	>	my $fh=FileHandle->new();
66	>	open ( $fh, ">$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk"
67	>	) or die 'Unable to open /$ENV{INTwork}/${path}/BuildFile.mk $!\n';
68	>	@filehandlestack=($fh);
69	>	# make an alias
70	>	#       open ( GNUmakefile, ">&=$fh") or die 'Unable to create alias for '.
71	>	#                       "Filehandle $!\n";
72	>	*GNUmakefile=$fh;
73		if ( -e $ENV{LatestBuildFile} ) {
74		print GNUmakefile "include $ENV{LatestBuildFile}\n";
75		}
#	Line 48 | Line 77 | sub ParseBuildFile {
77		#               "$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk\n";
78		$ENV{LatestBuildFile}="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk";
79		$switch->parse(); # sort out supported tags
80	+	if ( $numbins > 0 ) {
81	+	print GNUmakefile <<ENDTEXT;
82	+	ifndef BINMODE
83	+	help::
84	+	\t\@echo Generic Binary targets
85	+	\t\@echo ----------------------
86	+	endif
87	+	ENDTEXT
88	+	foreach $target ( keys %$targettypes ) {
89	+	print GNUmakefile <<ENDTEXT;
90	+	ifndef BINMODE
91	+	help::
92	+	\t\@echo $target
93	+	endif
94	+	ENDTEXT
95	+	}
96	+	}
97		close GNUmakefile;
98		}
99
100	+	sub ParseBuildFile_Export {
101	+	my $filename=shift;
102	+	use Tool;
103	+	# This hash defines which Document Elements we can use
104	+	my $SupportedTags={
105	+	'none' => 'none',
106	+	'export' => \&OutToMakefile,
107	+	'export_StartTag' => \&export_start,
108	+	'export_EndTag' => \&export_end,
109	+	'lib_StartTag' => \&lib_start_export,
110	+	'External_StartTag' => \&Ext_start_export,
111	+	'lib' => 'none'
112	+	};
113	+	use Utilities::Switcher;
114	+	$switchex=Switcher->new($SupportedTags, $filename);
115	+	$switchex->{Strict_no_cr}='no';
116	+	$switchex->parse(); # sort out supported tags
117	+	}
118	+
119		sub initialterms() {
120		my $name=shift;
121		my @string=@_;
#	Line 80 | Line 145 | sub Class_StartTag {
145		my @vars=@_;
146
147		$hashref=$switch->SetupValueHash(\@vars);
148	+	if ( $Arch ) {
149		if ( defined $$hashref{'type'} ) {
150		$ClassName=$$hashref{'type'};
151		}
152	+	}
153		}
154
155		sub ClassPath_StartTag {
#	Line 91 | Line 158 | sub ClassPath_StartTag {
158		my $hashref;
159
160		$hashref=$switch->SetupValueHash(\@vars);
161	+	if ( $Arch ) {
162		if ( defined $$hashref{'defaultpath'} ) {
163		}
164	+	}
165		}
166
167		sub Bin_start {
#	Line 107 | Line 176 | sub Bin_start {
176
177		$hashref=$switch->SetupValueHash(\@vars);
178		$switch->checkparam($hashref, $name, 'file');
179	+	if ( $Arch ) {
180		if ( ! defined $$hashref{name} ) {
181		($$hashref{name}=$$hashref{file})=~s/\..*//;
182		}
183		# This stuff for later
184		#$fileclass=$toolbox->getclass($file);
185		#$toolbox->maketargets("exe",$fileclass, $$hashref{name}, $file );
186	+
187		($filename=$$hashref{file})=~s/\..*//;
117	–	($objectname=$$hashref{file})=~s/\..*/\.o/;
118	–	($objectname_d=$$hashref{file})=~s/\..*/_d\.o/;
119	–	($objectname_Insure=$$hashref{file})=~s/\..*/_Insure\.o/;
120	–	print GNUmakefile "bin:$$hashref{name}\n";
121	–	print GNUmakefile "bin_debug:$$hashref{name}_d\n";
122	–	print GNUmakefile "bin_insure:$$hashref{name}_Insure\n";
123	–	print GNUmakefile ".INTERMEDIATE::$$hashref{name}_d.exe\n";
124	–	print GNUmakefile ".INTERMEDIATE::$$hashref{name}_Insure.exe\n";
125	–	print GNUmakefile ".INTERMEDIATE::$$hashref{name}.exe\n";
126	–	print GNUmakefile "$$hashref{name}_Insure:.psrc\n";
127	–	print GNUmakefile "$$hashref{name}_d.exe:$objectname_d\n";
128	–	print GNUmakefile "$$hashref{name}_Insure.exe:$objectname_Insure\n";
129	–	print GNUmakefile "$$hashref{name}.exe:$objectname\n";
130	–	#       print GNUmakefile "$$hashref{name}:$$hashref{file}\n";
131	–	print GNUmakefile "$$hashref{name}_d:$$hashref{name}_d.exe\n";
132	–	print GNUmakefile "\t\@mv $$hashref{name}_d.exe \$(binarystore)/".
133	–	"$$hashref{name}\n";
134	–	print GNUmakefile "$$hashref{name}_Insure:$$hashref{name}_Insure.exe\n";
135	–	print GNUmakefile "\t\@mv $$hashref{name}_Insure.exe \$(binarystore)/".
136	–	"$$hashref{name}_Insure\n";
137	–	print GNUmakefile "$$hashref{name}:$$hashref{name}.exe\n";
138	–	print GNUmakefile "\t\@mv $$hashref{name}.exe \$(binarystore)/".
139	–	"$$hashref{name}\n";
140	–	print GNUmakefile "binfiles+=$filename\n";
141	–	print GNUmakefile "bintargets+=$$hashref{name} $$hashref{name}_d\n";
142	–	print GNUmakefile "files+=$$hashref{file}\n";
188
189	+	# Create a new directory for each binary target
190	+	my $dirname="bin_".$$hashref{name};
191	+	AddDir::adddir("$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname");
192	+	open (binGNUmakefile,
193	+	">$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/BuildFile.mk") or die           "Unable to make $ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/".
194	+	"BuildFile.mk $!\n";
195	+
196	+	# Create the link targets
197	+	$numbins++;
198	+	my $fh=$filehandlestack[0];
199	+	print $fh <<ENDTEXT;
200	+
201	+	# Link Targets to binary directories
202	+	ifndef BINMODE
203	+
204	+	define stepdown_$$hashref{'name'}
205	+	if [ -d "$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname" ]; then \\
206	+	cd $ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname; \\
207	+	\$(MAKE) BINMODE=true LatestBuildFile=$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/BuildFile.mk workdir=\$(workdir)/$dirname -f \$(TOOL_HOME)/basics.mk \$\@; \\
208	+	fi
209	+	endef
210	+
211	+	define stepdown2_$$hashref{'name'}
212	+	if [ -d "$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname" ]; then \\
213	+	cd $ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname; \\
214	+	\$(MAKE) BINMODE=true LatestBuildFile=$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/BuildFile.mk workdir=\$(workdir)/$dirname -f \$(TOOL_HOME)/basics.mk \$\*; \\
215	+	fi
216	+
217	+	endef
218	+
219	+	bin_$$hashref{'name'}_%:: dummy
220	+	\@\$(stepdown2_$$hashref{'name'})
221	+
222	+	echo_%:: dummy
223	+	\@\$(stepdown_$$hashref{'name'})
224	+
225	+	help bin bin_debug bin_debug_local bin_insure bin_Insure clean $$hashref{'name'}:: dummy
226	+	\@\$(stepdown_$$hashref{'name'})
227	+	endif
228	+
229	+	ENDTEXT
230	+
231	+
232	+	# the binary specifics makefile
233	+	print binGNUmakefile "include $currentenv\n";
234	+	print binGNUmakefile "VPATH+=$ENV{LOCALTOP}/${path}\n";
235	+
236	+	# alias for bin_Insure
237	+	print binGNUmakefile <<ENDTEXT;
238	+
239	+	bin_insure:bin_Insure
240	+	ifdef MAKETARGET_bin_insure
241	+	MAKETARGET_$$hashref{name}_Insure=1
242	+	endif
243	+
244	+	# debuggging target
245	+	$$hashref{'name'}_echo_% :: echo_%
246	+
247	+	# help targets
248	+	help::
249	+	\t\@echo Targets For $$hashref{'name'}
250	+	\t\@echo -------------------------------------
251	+	\t\@echo $$hashref{'name'}  - default build
252	+	\t\@echo bin_$$hashref{'name'}_clean - executable specific cleaning
253	+	ENDTEXT
254	+
255	+	# Make generic rules for each type
256	+	$targettypes={
257	+	"bin" => 'o',
258	+	"bin_debug" => 'd',
259	+	"bin_debug_local" => 'l_d',
260	+	"bin_Insure" => 'Insure'
261	+	};
262	+	#
263	+	foreach $target ( keys %$targettypes ) {
264	+	print binGNUmakefile <<ENDTEXT;
265	+
266	+	# Type $target specifics
267	+	ifdef MAKETARGET_$target
268	+	MAKETARGET_$$hashref{name}_$$targettypes{$target}=1
269	+	endif
270	+	$target ::$$hashref{name}_$$targettypes{$target}
271	+
272	+	bintargets+=$$hashref{name}_$$targettypes{$target}
273	+	help::
274	+	\t\@echo $$hashref{name}_$$targettypes{$target}
275	+	clean::
276	+	\t\@if [ -f \$(binarystore)/$$hashref{name}_$$targettypes{$target} ]; then \\
277	+	\techo Removing \$(binarystore)/$$hashref{name}; \\
278	+	\trm \$(binarystore)/$$hashref{name}_$$targettypes{$target}; \\
279	+	\tfi
280	+
281	+	ENDTEXT
282	+	($objectname=$$hashref{file})=~s/\..*/_$$targettypes{$target}\.o/;
283	+	${"objectname_$$targettypes{$target}"}=$objectname;
284	+	print binGNUmakefile "$objectname:$$hashref{name}.dep\n";
285	+	} # end loop
286	+
287	+	print binGNUmakefile "$$hashref{name}_Insure:.psrc\n";
288	+	print binGNUmakefile "$$hashref{name}_d.exe:$objectname_d\n";
289	+	print binGNUmakefile "\t\$(CClinkCmdDebug)\n";
290	+	print binGNUmakefile "$$hashref{name}_l_d.exe:$objectname_d\n";
291	+	print binGNUmakefile "\t\$(CClinkCmdDebugLocal)\n";
292	+	print binGNUmakefile "$$hashref{name}_Insure.exe:$objectname_Insure\n";
293	+	print binGNUmakefile "\t\$(CClinkCmdInsure)\n";
294	+	print binGNUmakefile "$$hashref{name}_o.exe:$objectname_o\n";
295	+	print binGNUmakefile "\t\$(CClinkCmd)\n";
296	+	print binGNUmakefile "$$hashref{name}.dep:$$hashref{file}\n";
297	+	print binGNUmakefile "-include $$hashref{name}.dep\n";
298	+	print binGNUmakefile <<ENDTEXT;
299	+	clean::
300	+	\t\@if [ -f \$(binarystore)/$$hashref{name} ]; then \\
301	+	\techo Removing \$(binarystore)/$$hashref{name}; \\
302	+	\trm \$(binarystore)/$$hashref{name}; \\
303	+	\tfi
304	+
305	+	$$hashref{name}_d.exe:\$(libslocal_d)
306	+	$$hashref{name}_o.exe:\$(libslocal)
307	+	ifdef MCCABE_DATA_DIR
308	+	$$hashref{name}_mccabe.exe: \$(libslocal_d) \$(MCCABE_DATA_DIR)/mccabeinstr/instplus.cpp
309	+	endif
310	+	$$hashref{name}_Insure.exe:\$(libslocal_I)
311	+	$$hashref{name}_d:$$hashref{name}_d.exe
312	+	\@cp $$hashref{name}_d.exe \$(binarystore)/$$hashref{name}
313	+	$$hashref{name}_l_d:$$hashref{name}_l_d.exe
314	+	\@cp $$hashref{name}_l_d.exe \$(binarystore)/$$hashref{name}
315	+	$$hashref{name}_Insure:$$hashref{name}_Insure.exe
316	+	\@cp $$hashref{name}_Insure.exe \$(binarystore)/$$hashref{name}_Insure
317	+	$$hashref{name}:$$hashref{name}_d.exe
318	+	\@mv $$hashref{name}_d.exe \$(binarystore)/$$hashref{name}
319	+	$$hashref{name}_o:$$hashref{name}_o.exe
320	+	\@mv $$hashref{name}_o.exe \$(binarystore)/$$hashref{name}
321	+	binfiles+=$$hashref{file}
322	+	ENDTEXT
323	+	}
324	+	close binGNUmakefile;
325	+	}
326	+
327	+	sub Ext_start_export {
328	+	my $name=shift;
329	+	my @vars=@_;
330	+	my $hashref;
331	+
332	+	$hashref=$switch->SetupValueHash(\@vars);
333	+	if ( $Arch ) {
334	+	if ( $switchex->context('export') ) {
335	+	$$hashref{'ref'}=~tr[A-Z][a-z];
336	+	print GNUmakefile $$hashref{'ref'};
337	+	if ( defined $$hashref{'version'} ) {
338	+	print GNUmakefile "_V_".$$hashref{'version'};
339	+	}
340	+	print GNUmakefile "=true\n";
341	+	}
342	+	}
343		}
344
345		sub External_StartTag {
#	Line 149 | Line 348 | sub External_StartTag {
348		my $hashref;
349
350		$hashref=$switch->SetupValueHash(\@vars);
351	+	if ( $Arch ) {
352		$$hashref{'ref'}=~tr[A-Z][a-z];
353		print GNUmakefile $$hashref{'ref'};
354		if ( defined $$hashref{'version'} ) {
355		print GNUmakefile "_V_".$$hashref{'version'};
356		}
357		print GNUmakefile "=true\n";
358	+	}
359
360		}
361
#	Line 165 | Line 366 | sub Group_start {
366
367		$hashref=$switch->SetupValueHash(\@vars);
368		$switch->checkparam($hashref, $name, 'name');
369	+	if ( $Arch ) {
370		print GNUmakefile "GROUP_".$$hashref{'name'};
371		if ( defined $$hashref{'version'} ) {
372		print GNUmakefile "_V_".$$hashref{'version'};
373		}
374		print GNUmakefile "=true\n";
375	+	}
376		}
377
378		sub External {
#	Line 196 | Line 399 | sub Use_start {
399
400		$hashref=$switch->SetupValueHash(\@vars);
401		$switch->checkparam($hashref, $name, "name");
402	<	if ( $filename=checkfile("$ENV{INTsrc}/$$hashref{name}/BuildFile")
403	<	ne "" ) {
404	<	print GNUmakefile "ReqDependencies += $filename\n";
402	>	if ( $Arch ) {
403	>	$filename=SCRAMUtils::checkfile(
404	>	"$ENV{INTsrc}/$$hashref{name}/BuildFile");
405	>	if ( $filename ne "" ) {
406	>	ParseBuildFile_Export( $filename );
407	>	}
408		}
203	–	print GNUmakefile "local__$$hashref{name}=true\n";
409		}
410
411		sub CheckBuildFile {
#	Line 233 | Line 438 | sub AssociateGroup {
438		}
439		}
440
441	+	sub ignoretag {
442	+	my $name=shift;
443	+	my @vars=@_;
444	+
445	+	$Arch=0;
446	+	push @ARCHBLOCK, $Arch;
447	+	}
448	+
449	+	sub ignoretag_end {
450	+	my $name=shift;
451	+	my @vars=@_;
452	+
453	+	pop @ARCHBLOCK;
454	+	$Arch=$ARCHBLOCK[$#ARCHBLOCK];
455	+	}
456	+
457	+	sub Arch_Start {
458	+	my $name=shift;
459	+	my @vars=@_;
460	+	my $hashref;
461	+
462	+	$hashref=$toolswitch->SetupValueHash( \@vars );
463	+	$toolswitch->checkparam($hashref, $name, 'name');
464	+	#( ($$hashref{name}=~/$ENV{SCRAM_ARCH}/) )?$Arch=1:$Arch=0;
465	+	( ($ENV{SCRAM_ARCH}=~/$$hashref{name}.*/) )? ($Arch=1) : ($Arch=0);
466	+	push @ARCHBLOCK, $Arch;
467	+	}
468	+	sub Arch_End {
469	+	my $name=shift;
470	+	my @vars=@_;
471	+
472	+	pop @ARCHBLOCK;
473	+	$Arch=$ARCHBLOCK[$#ARCHBLOCK];
474	+	}
475	+
476		# Split up the Class Block String into a useable array
477		sub _CutBlock {
478		my $string= shift @_;
#	Line 243 | Line 483 | sub OutToMakefile {
483		my $name=shift;
484		my @vars=@_;
485
486	<	print GNUmakefile @vars;
486	>	if ( $Arch ) {
487	>	print GNUmakefile @vars;
488	>	}
489	>	}
490	>	sub OutToScreen {
491	>	my $name=shift;
492	>	my @vars=@_;
493	>
494	>	if ( $Arch ) {
495	>	print @vars;
496	>	}
497		}
498		sub setBlockClassPath {
499		my $name=shift;
#	Line 255 | Line 505 | sub setBlockClassPath {
505		$BlockClassPath=$BlockClassPath.":".$$hashref{path};
506		_CutBlock($$hashref{path});
507		}
508	+
509	+	sub export_start {
510	+	#Set up a toolfile object
511	+	$exporttool=Tool->new();
512	+	}
513	+
514	+	sub export_end {
515	+	#Write toolfile object to disk
516	+	$exporttool->envtomake(\*GNUmakefile);
517	+	}
518	+
519	+	#
520	+	# Export Mode Lib Tag
521	+	#
522	+	sub lib_start_export {
523	+	my $name=shift;
524	+	my @vars=@_;
525	+	my $hashref;
526	+
527	+	$hashref=$switchex->SetupValueHash( \@vars );
528	+	$switchex->checkparam($hashref, $name, 'name');
529	+	if ( $Arch ) {
530	+	if ( $switchex->context('export') ) {
531	+	#If export mode then add this env to the export tool
532	+	$exporttool->addenv('lib',$$hashref{name});
533	+	}
534	+	}
535	+	}
536	+
537	+	#
538	+	# Standard lib tag
539	+	#
540	+	sub lib_start {
541	+	my $name=shift;
542	+	my @vars=@_;
543	+	my $hashref;
544	+
545	+	$hashref=$switch->SetupValueHash( \@vars );
546	+	$switch->checkparam($hashref, $name, 'name');
547	+	if ( $Arch ) {
548	+	print GNUmakefile "lib+=$$hashref{name}\n";
549	+	}
550	+	}
551	+
552	+	#
553	+	# libtype specification
554	+	#
555	+	sub LibType_Start {
556	+	my $name=shift;
557	+	my @vars=@_;
558	+	my $hashref;
559	+
560	+	if ( $Arch ) {
561	+	$hashref=$switch->SetupValueHash( \@vars );
562	+	$switch->checkparam($hashref, $name, 'type');
563	+
564	+	print GNUmakefile "# Specify Library Type\n";
565	+	print GNUmakefile "DefaultLibsOff=yes\n";
566	+	if ( $$hashref{'type'}=~/^archive/i ) {
567	+	print GNUmakefile "LibArchive=true\n";
568	+	}
569	+	elsif ($$hashref{'type'}=~/debug_archive/i ) {
570	+	print GNUmakefile "LibDebugArchive=true\n";
571	+	}
572	+	elsif ($$hashref{'type'}=~/debug_shared/i ) {
573	+	print GNUmakefile "LibDebugShared=true\n";
574	+	}
575	+	elsif ($$hashref{'type'}=~/shared/i ) {
576	+	print GNUmakefile 'LibShared=true'."\n";
577	+	}
578	+	print GNUmakefile "\n";
579	+	}
580	+	}
581	+	sub LibType_text {
582	+	my $name=shift;
583	+	my @vars=@_;
584	+
585	+	if ( $Arch ) {
586	+	print GNUmakefile "libmsg::\n\t\@echo Library info: ";
587	+	print GNUmakefile @vars;
588	+	print GNUmakefile "\n";
589	+	}
590	+	}
591	+
592	+	sub Environment_start {
593	+	my $name=shift;
594	+	my @vars=@_;
595	+	my $hashref;
596	+
597	+	if ( $Arch ) {
598	+	$envnum++;
599	+
600	+	# open a new Environment File
601	+	my $envfile="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/Env_$envnum.mk";
602	+	use FileHandle;
603	+	my $fh=FileHandle->new();
604	+	open ($fh,">$envfile") or die "Unable to open file $envfile \n$!\n";
605	+	push @filehandlestack, $fh;
606	+	*GNUmakefile=$fh;
607	+
608	+	# include the approprate environment file
609	+	if ( $envlevel == 0 ) {
610	+	print GNUmakefile "include $ENV{LOCALTOP}/$ENV{INTwork}/${path}/".
611	+	"BuildFile.mk\n";
612	+	}
613	+	else {
614	+	print GNUmakefile "include $ENV{LOCALTOP}/$ENV{INTwork}/${path}/".
615	+	"Env_$Envlevels[$envlevel]\.mk\n";
616	+	}
617	+	$envlevel++;
618	+	$Envlevels[$envlevel]=$envnum;
619	+	$currentenv="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/Env_$envnum.mk";
620	+	}
621	+	}
622	+
623	+	sub Environment_end {
624	+	my $fd;
625	+
626	+	if ( $Arch ) {
627	+	$envlevel--;
628	+	if ( $envlevel < 0 ) {
629	+	print "Too many </Environent> Tags on $switch->line()\n";
630	+	exit;
631	+	}
632	+	close GNUmakefile;
633	+	# restore the last filehandle
634	+	$fd=pop @filehandlestack;
635	+	close $fd;
636	+	*GNUmakefile=$filehandlestack[$#filehandlestack];
637	+	if ( $envlevel < 1 ) {
638	+	$currentenv="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk";
639	+	}
640	+	else {
641	+	$currentenv=
642	+	"$ENV{LOCALTOP}/$ENV{INTwork}/${path}/Env_$Envlevels[$envlevel]";
643	+	}
644	+	}
645	+	}

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