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Comparing COMP/SCRAM/src/BuildFile.pm (file contents):
Revision 1.7 by williamc, Mon Mar 22 18:28:45 1999 UTC vs.
Revision 1.21.2.37 by williamc, Wed Feb 23 12:40:56 2000 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 29 | Line 35 | sub ParseBuildFile {
35		'ConfigurationClass' => \&OutToMakefile,
36		'AssociateGroup' => \&AssociateGroup,
37		'none' => \&OutToMakefile,
38	<	'Bin' => \&OutToMakefile,
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	>	'export' => \&OutToMakefile,
46	>	'export_StartTag' => \&export_start,
47	>	'export_EndTag' => \&export_end,
48	>	'lib' => \&OutToMakefile,
49	>	'lib_StartTag' => \&lib_start,
50	>	'lib_EndTag' => 'none',
51	>	'ignore' => 'none',
52	>	'ignore_EndTag' => \&ignoretag_end,
53	>	'ignore_StartTag' => \&ignoretag,
54	>	'Architecture_StartTag' => \&Arch_Start,
55	>	'Architecture_EndTag' => \&Arch_End,
56	>	'Architecture' => \&OutToMakefile,
57	>	'LibType_StartTag' => \&LibType_Start,
58	>	'LibType_EndTag' => 'none',
59	>	#'LibType' => \&OutToScreen
60	>	'LibType' => \&LibType_text
61		};
62		use Utilities::Switcher;
63		$switch=Switcher->new($SupportedTags, $fullfilename);
#	Line 40 | Line 65 | sub ParseBuildFile {
65		#open a temporary gnumakefile to store output.
66		use Utilities::AddDir;
67		AddDir::adddir("$ENV{LOCALTOP}/$ENV{INTwork}/${path}");
68	<	open ( GNUmakefile, ">$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk") or die 'Unable to open /$ENV{INTwork}/${path}/BuildFile.mk $!\n';
68	>	my $fh=FileHandle->new();
69	>	open ( $fh, ">$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk"
70	>	) or die 'Unable to open /$ENV{INTwork}/${path}/BuildFile.mk $!\n';
71	>	@filehandlestack=($fh);
72	>	# make an alias
73	>	#       open ( GNUmakefile, ">&=$fh") or die 'Unable to create alias for '.
74	>	#                       "Filehandle $!\n";
75	>	*GNUmakefile=$fh;
76		if ( -e $ENV{LatestBuildFile} ) {
77		print GNUmakefile "include $ENV{LatestBuildFile}\n";
78		}
#	Line 48 | Line 80 | sub ParseBuildFile {
80		#               "$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk\n";
81		$ENV{LatestBuildFile}="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk";
82		$switch->parse(); # sort out supported tags
83	+	if ( $numbins > 0 ) {
84	+	print GNUmakefile <<ENDTEXT;
85	+	ifndef BINMODE
86	+	help::
87	+	\t\@echo Generic Binary targets
88	+	\t\@echo ----------------------
89	+	endif
90	+	ENDTEXT
91	+	foreach $target ( keys %$targettypes ) {
92	+	print GNUmakefile <<ENDTEXT;
93	+	ifndef BINMODE
94	+	help::
95	+	\t\@echo $target
96	+	endif
97	+	ENDTEXT
98	+	}
99	+	}
100		close GNUmakefile;
101		}
102
103	+	sub ParseBuildFile_Export {
104	+	my $filename=shift;
105	+	use Tool;
106	+	# This hash defines which Document Elements we can use
107	+	my $SupportedTags={
108	+	'none' => 'none',
109	+	'export' => \&OutToMakefile,
110	+	'export_StartTag' => \&use_export_start,
111	+	'export_EndTag' => \&use_export_end,
112	+	'lib_StartTag' => \&lib_start,
113	+	'External_StartTag' => \&Ext_start_export,
114	+	'lib' => 'none'
115	+	};
116	+	use Utilities::Switcher;
117	+	$switchex=Switcher->new($SupportedTags, $filename);
118	+	$switchex->{Strict_no_cr}='no';
119	+	$switchex->parse(); # sort out supported tags
120	+	}
121	+
122		sub initialterms() {
123		my $name=shift;
124		my @string=@_;
#	Line 80 | Line 148 | sub Class_StartTag {
148		my @vars=@_;
149
150		$hashref=$switch->SetupValueHash(\@vars);
151	+	if ( $Arch ) {
152		if ( defined $$hashref{'type'} ) {
153		$ClassName=$$hashref{'type'};
154		}
155	+	}
156		}
157
158		sub ClassPath_StartTag {
#	Line 91 | Line 161 | sub ClassPath_StartTag {
161		my $hashref;
162
163		$hashref=$switch->SetupValueHash(\@vars);
164	+	if ( $Arch ) {
165		if ( defined $$hashref{'defaultpath'} ) {
166		}
167	+	}
168		}
169
170		sub Bin_start {
#	Line 102 | Line 174 | sub Bin_start {
174		my $fileclass;
175		my @tools;
176		my $tool;
177	+	my $filename;
178	+	my $objectname;
179
180		$hashref=$switch->SetupValueHash(\@vars);
181		$switch->checkparam($hashref, $name, 'file');
182	+	if ( $Arch ) {
183		if ( ! defined $$hashref{name} ) {
184		($$hashref{name}=$$hashref{file})=~s/\..*//;
185		}
186		# This stuff for later
187		#$fileclass=$toolbox->getclass($file);
188		#$toolbox->maketargets("exe",$fileclass, $$hashref{name}, $file );
189	<	print GNUmakefile "bin::$$hashref{name}\n";
190	<	print GNUmakefile "bin_debug::$$hashref{name}\n";
191	<	print GNUmakefile "$$hashref{name}::$$hashref{file}\n";
189	>
190	>	($filename=$$hashref{file})=~s/\..*//;
191	>
192	>	# Create a new directory for each binary target
193	>	my $dirname="bin_".$$hashref{name};
194	>	AddDir::adddir("$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname");
195	>	open (binGNUmakefile,
196	>	">$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/BuildFile.mk") or die           "Unable to make $ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/".
197	>	"BuildFile.mk $!\n";
198	>
199	>	# Create the link targets
200	>	$numbins++;
201	>	my $fh=$filehandlestack[0];
202	>	print $fh <<ENDTEXT;
203	>
204	>	# Link Targets to binary directories
205	>	ifdef BINMODE
206	>	# We dont want to build a library here
207	>	override files:=
208	>	endif
209	>	ifndef BINMODE
210	>
211	>	define stepdown_$$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 datestamp \$\@; \\
215	>	fi
216	>	endef
217	>
218	>	define stepdown2_$$hashref{'name'}
219	>	if [ -d "$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname" ]; then \\
220	>	cd $ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname; \\
221	>	\$(MAKE) BINMODE=true LatestBuildFile=$ENV{LOCALTOP}/$ENV{INTwork}/${path}/$dirname/BuildFile.mk workdir=\$(workdir)/$dirname -f \$(TOOL_HOME)/basics.mk datestamp \$\*; \\
222	>	fi
223	>
224	>	endef
225	>
226	>	bin_$$hashref{'name'}_%:: dummy
227	>	\@\$(stepdown2_$$hashref{'name'})
228	>
229	>	$$hashref{'name'}_%:: dummy
230	>	\@\$(stepdown_$$hashref{'name'})
231	>
232	>	help bin bin_debug bin_debug_local bin_insure bin_Insure clean $$hashref{'name'}:: dummy
233	>	\@\$(stepdown_$$hashref{'name'})
234	>
235	>	binfiles+=$$hashref{'file'}
236	>	endif
237	>
238	>
239	>	ENDTEXT
240	>
241	>
242	>	# the binary specifics makefile
243	>	print binGNUmakefile "include $currentenv\n";
244	>	print binGNUmakefile "VPATH+=$ENV{LOCALTOP}/${path}\n";
245	>
246	>	# alias for bin_Insure
247	>	print binGNUmakefile <<ENDTEXT;
248	>
249	>	bin_insure:bin_Insure
250	>	ifdef MAKETARGET_bin_insure
251	>	MAKETARGET_$$hashref{name}_Insure=1
252	>	endif
253	>
254	>	# debuggging target
255	>	$$hashref{'name'}_echo_% :: echo_%
256	>
257	>	# help targets
258	>	help::
259	>	\t\@echo Targets For $$hashref{'name'}
260	>	\t\@echo -------------------------------------
261	>	\t\@echo $$hashref{'name'}  - default build
262	>	\t\@echo bin_$$hashref{'name'}_clean - executable specific cleaning
263	>	ENDTEXT
264	>
265	>	# Make generic rules for each type
266	>	$targettypes={
267	>	"bin" => 'o',
268	>	"bin_debug" => 'd',
269	>	"bin_debug_local" => 'l_d',
270	>	"bin_Insure" => 'Insure'
271	>	};
272	>	#
273	>	foreach $target ( keys %$targettypes ) {
274	>	print binGNUmakefile <<ENDTEXT;
275	>
276	>	# Type $target specifics
277	>	ifdef MAKETARGET_$target
278	>	MAKETARGET_$$hashref{name}_$$targettypes{$target}=1
279	>	endif
280	>	$target ::$$hashref{name}_$$targettypes{$target}
281	>
282	>	bintargets+=$$hashref{name}_$$targettypes{$target}
283	>	help::
284	>	\t\@echo $$hashref{name}_$$targettypes{$target}
285	>	clean::
286	>	\t\@if [ -f \$(binarystore)/$$hashref{name}_$$targettypes{$target} ]; then \\
287	>	\techo Removing \$(binarystore)/$$hashref{name}; \\
288	>	\trm \$(binarystore)/$$hashref{name}_$$targettypes{$target}; \\
289	>	\tfi
290	>
291	>	ENDTEXT
292	>	($objectname=$$hashref{file})=~s/\..*/_$$targettypes{$target}\.o/;
293	>	${"objectname_$$targettypes{$target}"}=$objectname;
294	>	print binGNUmakefile "$objectname:$$hashref{name}.dep\n";
295	>	} # end loop
296	>
297	>	print binGNUmakefile "$$hashref{name}_Insure.exe:.psrc\n";
298	>	print binGNUmakefile "$$hashref{name}_d.exe:$objectname_d\n";
299	>	print binGNUmakefile "\t\$(CClinkCmdDebug)\n";
300	>	print binGNUmakefile "\t\@\$(SCRAM_HOME)/src/scramdatestamp \$\@\.ds \$\@ \$\^\n";
301	>	print binGNUmakefile "$$hashref{name}_l_d.exe:$objectname_d\n";
302	>	print binGNUmakefile "\t\$(CClinkCmdDebugLocal)\n";
303	>	print binGNUmakefile "\t\@\$(SCRAM_HOME)/src/scramdatestamp \$\@\.ds \$\@ \$\^\n";
304	>	print binGNUmakefile "$$hashref{name}_Insure.exe:$objectname_Insure\n";
305	>	print binGNUmakefile "\t\$(CClinkCmdInsure)\n";
306	>	print binGNUmakefile "\t\@\$(SCRAM_HOME)/src/scramdatestamp \$\@\.ds \$\@ \$\^\n";
307	>	print binGNUmakefile "$$hashref{name}_o.exe:$objectname_o\n";
308	>	print binGNUmakefile "\t\$(CClinkCmd)\n";
309	>	print binGNUmakefile "\t\@\$(SCRAM_HOME)/src/scramdatestamp \$\@\.ds \$\@ \$\^\n";
310	>	print binGNUmakefile "$$hashref{name}.dep:$$hashref{file}\n";
311	>	print binGNUmakefile "-include $$hashref{name}.dep\n";
312	>	print binGNUmakefile <<ENDTEXT;
313	>	clean::
314	>	\t\@if [ -f \$(binarystore)/$$hashref{name} ]; then \\
315	>	\techo Removing \$(binarystore)/$$hashref{name}; \\
316	>	\trm \$(binarystore)/$$hashref{name}; \\
317	>	\tfi
318	>
319	>	$$hashref{name}_d.exe:\$(libslocal_d)
320	>	$$hashref{name}_o.exe:\$(libslocal)
321	>	ifdef MCCABE_DATA_DIR
322	>	$$hashref{name}_mccabe.exe: \$(libslocal_d) \$(MCCABE_DATA_DIR)/mccabeinstr/instplus.cpp
323	>	endif
324	>	$$hashref{name}_Insure.exe:\$(libslocal_I)
325	>	$$hashref{name}_d:$$hashref{name}_d.exe
326	>	\@cp $$hashref{name}_d.exe \$(binarystore)/$$hashref{name}
327	>	$$hashref{name}_l_d:$$hashref{name}_l_d.exe
328	>	\@cp $$hashref{name}_l_d.exe \$(binarystore)/$$hashref{name}
329	>	$$hashref{name}_Insure:$$hashref{name}_Insure.exe
330	>	\@cp $$hashref{name}_Insure.exe \$(binarystore)/$$hashref{name}_Insure
331	>	$$hashref{name}:$$hashref{name}_d.exe
332	>	\@mv $$hashref{name}_d.exe \$(binarystore)/$$hashref{name}
333	>	$$hashref{name}_o:$$hashref{name}_o.exe
334	>	\@mv $$hashref{name}_o.exe \$(binarystore)/$$hashref{name}
335	>	binfiles+=$$hashref{file}
336	>	ENDTEXT
337	>	}
338	>	close binGNUmakefile;
339	>	}
340	>
341	>	sub Ext_start_export {
342	>	my $name=shift;
343	>	my @vars=@_;
344	>	my $hashref;
345	>
346	>	$hashref=$switch->SetupValueHash(\@vars);
347	>	if ( $Arch ) {
348	>	if ( $switchex->context('export') ) {
349	>	$$hashref{'ref'}=~tr[A-Z][a-z];
350	>	print GNUmakefile $$hashref{'ref'};
351	>	if ( defined $$hashref{'version'} ) {
352	>	print GNUmakefile "_V_".$$hashref{'version'};
353	>	}
354	>	print GNUmakefile "=true\n";
355	>	}
356	>	}
357		}
358
359		sub External_StartTag {
#	Line 122 | Line 362 | sub External_StartTag {
362		my $hashref;
363
364		$hashref=$switch->SetupValueHash(\@vars);
365	+	if ( $Arch ) {
366		$$hashref{'ref'}=~tr[A-Z][a-z];
367		print GNUmakefile $$hashref{'ref'};
368		if ( defined $$hashref{'version'} ) {
369		print GNUmakefile "_V_".$$hashref{'version'};
370		}
371		print GNUmakefile "=true\n";
372	+	}
373
374		}
375
#	Line 138 | Line 380 | sub Group_start {
380
381		$hashref=$switch->SetupValueHash(\@vars);
382		$switch->checkparam($hashref, $name, 'name');
383	+	if ( $Arch ) {
384		print GNUmakefile "GROUP_".$$hashref{'name'};
385		if ( defined $$hashref{'version'} ) {
386		print GNUmakefile "_V_".$$hashref{'version'};
387		}
388		print GNUmakefile "=true\n";
389	+	}
390		}
391
392		sub External {
#	Line 169 | Line 413 | sub Use_start {
413
414		$hashref=$switch->SetupValueHash(\@vars);
415		$switch->checkparam($hashref, $name, "name");
416	<	if ( $filename=checkfile("$ENV{INTsrc}/$$hashref{name}/BuildFile")
417	<	ne "" ) {
418	<	print GNUmakefile "ReqDependencies += $filename\n";
416	>	if ( $Arch ) {
417	>	$filename=SCRAMUtils::checkfile(
418	>	"$ENV{INTsrc}/$$hashref{name}/BuildFile");
419	>	if ( $filename ne "" ) {
420	>	ParseBuildFile_Export( $filename );
421	>	}
422		}
176	–	print GNUmakefile "local__$$hashref{name}=true\n";
423		}
424
425		sub CheckBuildFile {
#	Line 206 | Line 452 | sub AssociateGroup {
452		}
453		}
454
455	+	sub ignoretag {
456	+	my $name=shift;
457	+	my @vars=@_;
458	+
459	+	$Arch=0;
460	+	push @ARCHBLOCK, $Arch;
461	+	}
462	+
463	+	sub ignoretag_end {
464	+	my $name=shift;
465	+	my @vars=@_;
466	+
467	+	pop @ARCHBLOCK;
468	+	$Arch=$ARCHBLOCK[$#ARCHBLOCK];
469	+	}
470	+
471	+	sub Arch_Start {
472	+	my $name=shift;
473	+	my @vars=@_;
474	+	my $hashref;
475	+
476	+	$hashref=$toolswitch->SetupValueHash( \@vars );
477	+	$toolswitch->checkparam($hashref, $name, 'name');
478	+	#( ($$hashref{name}=~/$ENV{SCRAM_ARCH}/) )?$Arch=1:$Arch=0;
479	+	( ($ENV{SCRAM_ARCH}=~/$$hashref{name}.*/) )? ($Arch=1) : ($Arch=0);
480	+	push @ARCHBLOCK, $Arch;
481	+	}
482	+	sub Arch_End {
483	+	my $name=shift;
484	+	my @vars=@_;
485	+
486	+	pop @ARCHBLOCK;
487	+	$Arch=$ARCHBLOCK[$#ARCHBLOCK];
488	+	}
489	+
490		# Split up the Class Block String into a useable array
491		sub _CutBlock {
492		my $string= shift @_;
#	Line 216 | Line 497 | sub OutToMakefile {
497		my $name=shift;
498		my @vars=@_;
499
500	<	print GNUmakefile @vars;
500	>	if ( $Arch ) {
501	>	print GNUmakefile @vars;
502	>	}
503	>	}
504	>	sub OutToScreen {
505	>	my $name=shift;
506	>	my @vars=@_;
507	>
508	>	if ( $Arch ) {
509	>	print @vars;
510	>	}
511		}
512		sub setBlockClassPath {
513		my $name=shift;
#	Line 228 | Line 519 | sub setBlockClassPath {
519		$BlockClassPath=$BlockClassPath.":".$$hashref{path};
520		_CutBlock($$hashref{path});
521		}
522	+
523	+	sub use_export_start {
524	+	#Set up a toolfile object
525	+	$exporttool=Tool->new();
526	+	}
527	+
528	+	sub use_export_end {
529	+	#Write toolfile object to disk
530	+	$exporttool->envtomake(\*GNUmakefile);
531	+	}
532	+
533	+	sub export_start {
534	+	my $name=shift;
535	+	my @vars=@_;
536	+	my $hashref;
537	+
538	+	$hashref=$switch->SetupValueHash(\@vars);
539	+	if ( exists $$hashref{autoexport} ) {
540	+	print GNUmakefile "scram_autoexport=".$$hashref{autoexport}."\n";
541	+	}
542	+	#Set up a toolfile object
543	+	print GNUmakefile "ifeq (\$(scram_autoexport),true)\n";
544	+	}
545	+
546	+	sub export_end {
547	+	#Write toolfile object to disk
548	+	print GNUmakefile "endif\n";
549	+	}
550	+
551	+	#
552	+	# Export Mode Lib Tag --- NO LONGER IN USE
553	+	#
554	+	sub lib_start_export {
555	+	my $name=shift;
556	+	my @vars=@_;
557	+	my $hashref;
558	+
559	+	$hashref=$switchex->SetupValueHash( \@vars );
560	+	$switchex->checkparam($hashref, $name, 'name');
561	+	if ( $Arch ) {
562	+	if ( $switchex->context('export') ) {
563	+	#If export mode then add this env to the export tool
564	+	$exporttool->addenv('lib',$$hashref{name});
565	+	}
566	+	}
567	+	}
568	+
569	+	#
570	+	# Standard lib tag
571	+	#
572	+	sub lib_start {
573	+	my $name=shift;
574	+	my @vars=@_;
575	+	my $hashref;
576	+
577	+	$hashref=$switch->SetupValueHash( \@vars );
578	+	$switch->checkparam($hashref, $name, 'name');
579	+	if ( $Arch ) {
580	+	print GNUmakefile "lib+=$$hashref{name}\n";
581	+	}
582	+	}
583	+
584	+	#
585	+	# libtype specification
586	+	#
587	+	sub LibType_Start {
588	+	my $name=shift;
589	+	my @vars=@_;
590	+	my $hashref;
591	+
592	+	if ( $Arch ) {
593	+	$hashref=$switch->SetupValueHash( \@vars );
594	+	$switch->checkparam($hashref, $name, 'type');
595	+
596	+	print GNUmakefile "# Specify Library Type\n";
597	+	print GNUmakefile "DefaultLibsOff=yes\n";
598	+	if ( $$hashref{'type'}=~/^archive/i ) {
599	+	print GNUmakefile "LibArchive=true\n";
600	+	}
601	+	elsif ($$hashref{'type'}=~/debug_archive/i ) {
602	+	print GNUmakefile "LibDebugArchive=true\n";
603	+	}
604	+	elsif ($$hashref{'type'}=~/debug_shared/i ) {
605	+	print GNUmakefile "LibDebugShared=true\n";
606	+	}
607	+	elsif ($$hashref{'type'}=~/shared/i ) {
608	+	print GNUmakefile 'LibShared=true'."\n";
609	+	}
610	+	print GNUmakefile "\n";
611	+	}
612	+	}
613	+	sub LibType_text {
614	+	my $name=shift;
615	+	my @vars=@_;
616	+
617	+	if ( $Arch ) {
618	+	print GNUmakefile "libmsg::\n\t\@echo Library info: ";
619	+	print GNUmakefile @vars;
620	+	print GNUmakefile "\n";
621	+	}
622	+	}
623	+
624	+	sub Environment_start {
625	+	my $name=shift;
626	+	my @vars=@_;
627	+	my $hashref;
628	+
629	+	if ( $Arch ) {
630	+	$envnum++;
631	+
632	+	# open a new Environment File
633	+	my $envfile="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/Env_$envnum.mk";
634	+	use FileHandle;
635	+	my $fh=FileHandle->new();
636	+	open ($fh,">$envfile") or die "Unable to open file $envfile \n$!\n";
637	+	push @filehandlestack, $fh;
638	+	*GNUmakefile=$fh;
639	+
640	+	# include the approprate environment file
641	+	if ( $envlevel == 0 ) {
642	+	print GNUmakefile "include $ENV{LOCALTOP}/$ENV{INTwork}/${path}/".
643	+	"BuildFile.mk\n";
644	+	}
645	+	else {
646	+	print GNUmakefile "include $ENV{LOCALTOP}/$ENV{INTwork}/${path}/".
647	+	"Env_$Envlevels[$envlevel]\.mk\n";
648	+	}
649	+	$envlevel++;
650	+	$Envlevels[$envlevel]=$envnum;
651	+	$currentenv="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/Env_$envnum.mk";
652	+	}
653	+	}
654	+
655	+	sub Environment_end {
656	+	my $fd;
657	+
658	+	if ( $Arch ) {
659	+	$envlevel--;
660	+	if ( $envlevel < 0 ) {
661	+	print "Too many </Environent> Tags on $switch->line()\n";
662	+	exit 1;
663	+	}
664	+	close GNUmakefile;
665	+	# restore the last filehandle
666	+	$fd=pop @filehandlestack;
667	+	close $fd;
668	+	*GNUmakefile=$filehandlestack[$#filehandlestack];
669	+	if ( $envlevel < 1 ) {
670	+	$currentenv="$ENV{LOCALTOP}/$ENV{INTwork}/${path}/BuildFile.mk";
671	+	}
672	+	else {
673	+	$currentenv=
674	+	"$ENV{LOCALTOP}/$ENV{INTwork}/${path}/Env_$Envlevels[$envlevel]";
675	+	}
676	+	}
677	+	}

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