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1 | #! perl -w |
2 | |
3 | use strict ; |
4 | require 5.004 ; |
5 | |
6 | use private::MakeUtil; |
7 | use ExtUtils::MakeMaker 5.16 ; |
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8 | use ExtUtils::Install (); # only needed to check for version |
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9 | |
10 | my $ZLIB_LIB ; |
11 | my $ZLIB_INCLUDE ; |
12 | my $BUILD_ZLIB = 0 ; |
13 | my $OLD_ZLIB = '' ; |
14 | my $WALL = '' ; |
15 | my $GZIP_OS_CODE = -1 ; |
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16 | my $USE_PPPORT_H = ($ENV{PERL_CORE}) ? '' : '-DUSE_PPPORT_H'; |
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17 | |
18 | #$WALL = ' -pedantic ' if $Config{'cc'} =~ /gcc/ ; |
19 | #$WALL = ' -Wall -Wno-comment ' if $Config{'cc'} =~ /gcc/ ; |
20 | |
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21 | # Ticket #18986 says that ExtUtils::Install 1.39 fixes the in-use issue |
22 | # on win32/cygwin, so make the code below conditional on the version of |
23 | # ExtUtils::Install. |
24 | |
25 | # Don't ask if MM_USE_DEFAULT is set -- enables perl core building on cygwin |
26 | if ($^O =~ /cygwin/i and $ExtUtils::Install::VERSION < 1.39 |
27 | and not ($ENV{PERL_MM_USE_DEFAULT} or $ENV{PERL_CORE})) |
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28 | { |
29 | print <<EOM ; |
30 | |
31 | I see you are running Cygwin. |
32 | |
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33 | Please note that this module cannot be installed on Cygwin using the CPAN |
34 | shell. The CPAN Shell uses Compress::Raw::Zlib internally and it is not |
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35 | possible to delete an active DLL. |
36 | |
37 | If you are running the CPAN shell, please exit it and install this module |
38 | by hand by running 'make install' under the directory |
39 | |
40 | ~/.cpan/build/Compress-Raw-Zlib-VERSION |
41 | |
42 | EOM |
43 | |
44 | print "Do you want to continue? [Y/N]: " ; |
45 | my $answer = <STDIN> ; |
46 | |
47 | if ($answer =~ /^yes|y/i) |
48 | { |
49 | print "continuing...\n" |
50 | } |
51 | else |
52 | { |
53 | print "exiting...\n" ; |
54 | exit 1 ; |
55 | } |
56 | |
57 | |
58 | } |
59 | |
60 | ParseCONFIG() ; |
61 | |
62 | UpDowngrade(getPerlFiles('MANIFEST')) |
63 | unless $ENV{PERL_CORE}; |
64 | |
65 | WriteMakefile( |
66 | NAME => 'Compress::Raw::Zlib', |
67 | VERSION_FROM => 'lib/Compress/Raw/Zlib.pm', |
68 | INC => "-I$ZLIB_INCLUDE" , |
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69 | DEFINE => "$OLD_ZLIB $WALL -DGZIP_OS_CODE=$GZIP_OS_CODE $USE_PPPORT_H" , |
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70 | XS => { 'Zlib.xs' => 'Zlib.c'}, |
71 | 'depend' => { 'Makefile' => 'config.in' }, |
72 | 'clean' => { FILES => '*.c constants.h constants.xs' }, |
73 | 'dist' => { COMPRESS => 'gzip', |
74 | TARFLAGS => '-chvf', |
75 | SUFFIX => 'gz', |
76 | DIST_DEFAULT => 'MyTrebleCheck tardist', |
77 | }, |
78 | |
79 | ( |
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80 | $BUILD_ZLIB |
81 | ? zlib_files($ZLIB_LIB) |
82 | : (LIBS => [ "-L$ZLIB_LIB -lz " ]) |
83 | ), |
84 | |
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85 | INSTALLDIRS => ($] >= 5.009 ? 'perl' : 'site'), |
86 | |
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87 | ((ExtUtils::MakeMaker->VERSION() gt '6.30') ? |
88 | ('LICENSE' => 'perl') : ()), |
89 | |
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90 | ) ; |
91 | |
92 | my @names = qw( |
93 | |
94 | DEF_WBITS |
95 | MAX_MEM_LEVEL |
96 | MAX_WBITS |
97 | OS_CODE |
98 | |
99 | Z_ASCII |
100 | Z_BEST_COMPRESSION |
101 | Z_BEST_SPEED |
102 | Z_BINARY |
103 | Z_BLOCK |
104 | Z_BUF_ERROR |
105 | Z_DATA_ERROR |
106 | Z_DEFAULT_COMPRESSION |
107 | Z_DEFAULT_STRATEGY |
108 | Z_DEFLATED |
109 | Z_ERRNO |
110 | Z_FILTERED |
111 | Z_FINISH |
112 | Z_FIXED |
113 | Z_FULL_FLUSH |
114 | Z_HUFFMAN_ONLY |
115 | Z_MEM_ERROR |
116 | Z_NEED_DICT |
117 | Z_NO_COMPRESSION |
118 | Z_NO_FLUSH |
119 | Z_NULL |
120 | Z_OK |
121 | Z_PARTIAL_FLUSH |
122 | Z_RLE |
123 | Z_STREAM_END |
124 | Z_STREAM_ERROR |
125 | Z_SYNC_FLUSH |
126 | Z_UNKNOWN |
127 | Z_VERSION_ERROR |
128 | |
129 | ); |
130 | #ZLIB_VERNUM |
131 | |
132 | if (eval {require ExtUtils::Constant; 1}) { |
133 | # Check the constants above all appear in @EXPORT in Zlib.pm |
134 | my %names = map { $_, 1} @names, 'ZLIB_VERSION'; |
135 | open F, "<lib/Compress/Raw/Zlib.pm" or die "Cannot open Zlib.pm: $!\n"; |
136 | while (<F>) |
137 | { |
138 | last if /^\s*\@EXPORT\s+=\s+qw\(/ ; |
139 | } |
140 | |
141 | while (<F>) |
142 | { |
143 | last if /^\s*\)/ ; |
144 | /(\S+)/ ; |
145 | delete $names{$1} if defined $1 ; |
146 | } |
147 | close F ; |
148 | |
149 | if ( keys %names ) |
150 | { |
151 | my $missing = join ("\n\t", sort keys %names) ; |
152 | die "The following names are missing from \@EXPORT in Zlib.pm\n" . |
153 | "\t$missing\n" ; |
154 | } |
155 | |
156 | push @names, {name => 'ZLIB_VERSION', type => 'PV' }; |
157 | |
158 | ExtUtils::Constant::WriteConstants( |
159 | NAME => 'Zlib', |
160 | NAMES => \@names, |
161 | C_FILE => 'constants.h', |
162 | XS_FILE => 'constants.xs', |
163 | |
164 | ); |
165 | } |
166 | else { |
167 | foreach my $name (qw( constants.h constants.xs )) |
168 | { |
169 | my $from = catfile('fallback', $name); |
170 | copy ($from, $name) |
171 | or die "Can't copy $from to $name: $!"; |
172 | } |
173 | } |
174 | |
175 | sub ParseCONFIG |
176 | { |
177 | my ($k, $v) ; |
178 | my @badkey = () ; |
179 | my %Info = () ; |
180 | my @Options = qw( INCLUDE LIB BUILD_ZLIB OLD_ZLIB GZIP_OS_CODE ) ; |
181 | my %ValidOption = map {$_, 1} @Options ; |
182 | my %Parsed = %ValidOption ; |
183 | my $CONFIG = 'config.in' ; |
184 | |
185 | print "Parsing $CONFIG...\n" ; |
186 | |
187 | open(F, "<$CONFIG") or die "Cannot open file $CONFIG: $!\n" ; |
188 | while (<F>) { |
189 | s/^\s*|\s*$//g ; |
190 | next if /^\s*$/ or /^\s*#/ ; |
191 | s/\s*#\s*$// ; |
192 | |
193 | ($k, $v) = split(/\s+=\s+/, $_, 2) ; |
194 | $k = uc $k ; |
195 | if ($ValidOption{$k}) { |
196 | delete $Parsed{$k} ; |
197 | $Info{$k} = $v ; |
198 | } |
199 | else { |
200 | push(@badkey, $k) ; |
201 | } |
202 | } |
203 | close F ; |
204 | |
205 | print "Unknown keys in $CONFIG ignored [@badkey]\n" |
206 | if @badkey ; |
207 | |
208 | # check parsed values |
209 | my @missing = () ; |
210 | die "The following keys are missing from $CONFIG [@missing]\n" |
211 | if @missing = keys %Parsed ; |
212 | |
213 | $ZLIB_INCLUDE = $ENV{'ZLIB_INCLUDE'} || $Info{'INCLUDE'} ; |
214 | $ZLIB_LIB = $ENV{'ZLIB_LIB'} || $Info{'LIB'} ; |
215 | |
216 | if ($^O eq 'VMS') { |
217 | $ZLIB_INCLUDE = VMS::Filespec::vmspath($ZLIB_INCLUDE); |
218 | $ZLIB_LIB = VMS::Filespec::vmspath($ZLIB_LIB); |
219 | } |
220 | |
221 | my $y = $ENV{'OLD_ZLIB'} || $Info{'OLD_ZLIB'} ; |
222 | $OLD_ZLIB = '-DOLD_ZLIB' if $y and $y =~ /^yes|on|true|1$/i; |
223 | |
224 | my $x = $ENV{'BUILD_ZLIB'} || $Info{'BUILD_ZLIB'} ; |
225 | |
226 | if ($x and $x =~ /^yes|on|true|1$/i ) { |
227 | |
228 | $BUILD_ZLIB = 1 ; |
229 | |
230 | # ZLIB_LIB & ZLIB_INCLUDE must point to the same place when |
231 | # BUILD_ZLIB is specified. |
232 | die "INCLUDE & LIB must be the same when BUILD_ZLIB is True\n" |
233 | if $ZLIB_LIB ne $ZLIB_INCLUDE ; |
234 | |
235 | # Check the zlib source directory exists |
236 | die "LIB/INCLUDE directory '$ZLIB_LIB' does not exits\n" |
237 | unless -d $ZLIB_LIB ; |
238 | |
239 | # check for a well known file |
240 | die "LIB/INCLUDE directory, '$ZLIB_LIB', doesn't seem to have the zlib source files\n" |
241 | unless -e catfile($ZLIB_LIB, 'zlib.h') ; |
242 | |
243 | |
244 | # write the Makefile |
245 | print "Building Zlib enabled\n" ; |
246 | } |
247 | |
248 | $GZIP_OS_CODE = defined $ENV{'GZIP_OS_CODE'} |
249 | ? $ENV{'GZIP_OS_CODE'} |
250 | : $Info{'GZIP_OS_CODE'} ; |
251 | |
252 | die "GZIP_OS_CODE not 'AUTO_DETECT' or a number between 0 and 255\n" |
253 | unless uc $GZIP_OS_CODE eq 'AUTO_DETECT' |
254 | || ( $GZIP_OS_CODE =~ /^(\d+)$/ && $1 >= 0 && $1 <= 255) ; |
255 | |
256 | if (uc $GZIP_OS_CODE eq 'AUTO_DETECT') |
257 | { |
258 | print "Auto Detect Gzip OS Code..\n" ; |
259 | $GZIP_OS_CODE = getOSCode() ; |
260 | } |
261 | |
262 | my $name = getOSname($GZIP_OS_CODE); |
263 | print "Setting Gzip OS Code to $GZIP_OS_CODE [$name]\n" ; |
264 | |
265 | print <<EOM if 0 ; |
266 | INCLUDE [$ZLIB_INCLUDE] |
267 | LIB [$ZLIB_LIB] |
268 | GZIP_OS_CODE [$GZIP_OS_CODE] |
269 | OLD_ZLIB [$OLD_ZLIB] |
270 | BUILD_ZLIB [$BUILD_ZLIB] |
271 | |
272 | EOM |
273 | |
274 | print "Looks Good.\n" ; |
275 | |
276 | } |
277 | |
278 | |
279 | |
280 | sub zlib_files |
281 | { |
282 | my $dir = shift ; |
283 | |
284 | my @h_files = (); |
285 | my @c_files = (); |
286 | |
287 | if (-f catfile($dir, "infback.c")) { |
288 | # zlib 1.2.0 or greater |
289 | # |
290 | @h_files = qw(crc32.h inffast.h inflate.h trees.h zconf.in.h |
291 | zutil.h deflate.h inffixed.h inftrees.h zconf.h |
292 | zlib.h |
293 | ); |
294 | @c_files = qw(adler32 crc32 infback inflate uncompr |
295 | compress deflate inffast inftrees |
296 | trees zutil |
297 | ); |
298 | } |
299 | else { |
300 | # zlib 1.1.x |
301 | |
302 | @h_files = qw(deflate.h infcodes.h inftrees.h zconf.h zutil.h |
303 | infblock.h inffast.h infutil.h zlib.h |
304 | ); |
305 | @c_files = qw(adler32 compress crc32 uncompr |
306 | deflate trees zutil inflate infblock |
307 | inftrees infcodes infutil inffast |
308 | ); |
309 | } |
310 | |
311 | @h_files = map { catfile($dir, $_) } @h_files ; |
312 | my @o_files = map { "$_\$(OBJ_EXT)" } 'Zlib', @c_files; |
313 | @c_files = map { "$_.c" } 'Zlib', @c_files ; |
314 | |
315 | foreach my $file (@c_files) |
316 | { copy(catfile($dir, $file), '.') } |
317 | |
318 | return ( |
319 | #'H' => [ @h_files ], |
320 | 'C' => [ @c_files ] , |
321 | #'OBJECT' => qq[ @o_files ], |
322 | 'OBJECT' => q[ $(O_FILES) ], |
323 | |
324 | |
325 | ) ; |
326 | } |
327 | |
328 | |
329 | |
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330 | use vars qw ( @GZIP_OS_Names %OSnames) ; |
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331 | |
332 | BEGIN |
333 | { |
334 | @GZIP_OS_Names = ( |
335 | [ '' => 0, 'MS-DOS' ], |
336 | [ 'amigaos' => 1, 'Amiga' ], |
337 | [ 'VMS' => 2, 'VMS' ], |
338 | [ '' => 3, 'Unix/Default' ], |
339 | [ '' => 4, 'VM/CMS' ], |
340 | [ '' => 5, 'Atari TOS' ], |
341 | [ 'os2' => 6, 'HPFS (OS/2, NT)' ], |
342 | [ 'MacOS' => 7, 'Macintosh' ], |
343 | [ '' => 8, 'Z-System' ], |
344 | [ '' => 9, 'CP/M' ], |
345 | [ '' => 10, 'TOPS-20' ], |
346 | [ '' => 11, 'NTFS (NT)' ], |
347 | [ '' => 12, 'SMS QDOS' ], |
348 | [ '' => 13, 'Acorn RISCOS' ], |
349 | [ 'MSWin32' => 14, 'VFAT file system (Win95, NT)' ], |
350 | [ '' => 15, 'MVS' ], |
351 | [ 'beos' => 16, 'BeOS' ], |
352 | [ '' => 17, 'Tandem/NSK' ], |
353 | [ '' => 18, 'THEOS' ], |
354 | [ '' => 255, 'Unknown OS' ], |
355 | ); |
356 | |
357 | %OSnames = map { $$_[1] => $$_[2] } |
358 | @GZIP_OS_Names ; |
359 | } |
360 | |
361 | sub getOSCode |
362 | { |
363 | my $default = 3 ; # Unix is the default |
364 | |
365 | my $uname = $^O; |
366 | |
367 | for my $h (@GZIP_OS_Names) |
368 | { |
369 | my ($pattern, $code, $name) = @$h; |
370 | |
371 | return $code |
372 | if $pattern && $uname eq $pattern ; |
373 | } |
374 | |
375 | return $default ; |
376 | } |
377 | |
378 | sub getOSname |
379 | { |
380 | my $code = shift ; |
381 | |
382 | return $OSnames{$code} || 'Unknown OS' ; |
383 | } |
384 | |
385 | # end of file Makefile.PL |
386 | |