Annotation of src/usr.bin/pkg-config/pkg-config, Revision 1.61
1.1 ckuethe 1: #!/usr/bin/perl
1.61 ! jasper 2: # $OpenBSD: pkg-config,v 1.58 2011/06/11 12:09:06 jasper Exp $
1.40 jasper 3: # $CSK: pkgconfig.pl,v 1.39 2006/11/27 16:26:20 ckuethe Exp $
1.1 ckuethe 4:
5: # Copyright (c) 2006 Chris Kuethe <ckuethe@openbsd.org>
1.40 jasper 6: # Copyright (c) 2011 Jasper Lievisse Adriaanse <jasper@openbsd.org>
1.1 ckuethe 7: #
8: # Permission to use, copy, modify, and distribute this software for any
9: # purpose with or without fee is hereby granted, provided that the above
10: # copyright notice and this permission notice appear in all copies.
11: #
12: # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13: # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14: # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15: # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16: # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17: # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18: # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19:
20: use strict;
21: use warnings;
22: use Getopt::Long;
1.4 espie 23: use File::Basename;
1.58 jasper 24: use File::stat;
1.11 espie 25: use OpenBSD::PkgConfig;
1.1 ckuethe 26:
1.27 jasper 27: my @PKGPATH = qw(/usr/lib/pkgconfig /usr/local/lib/pkgconfig /usr/X11R6/lib/pkgconfig);
1.1 ckuethe 28:
1.16 espie 29: if (defined($ENV{PKG_CONFIG_LIBDIR}) && $ENV{PKG_CONFIG_LIBDIR}) {
30: @PKGPATH = split /:/, $ENV{PKG_CONFIG_LIBDIR};
31: } elsif (defined($ENV{PKG_CONFIG_PATH}) && $ENV{PKG_CONFIG_PATH}) {
1.24 ckuethe 32: unshift(@PKGPATH, split /:/, $ENV{PKG_CONFIG_PATH});
1.1 ckuethe 33: }
34:
35: my $logfile = '';
1.50 jasper 36: if (defined($ENV{PKG_CONFIG_LOG}) && $ENV{PKG_CONFIG_LOG}) {
37: $logfile = $ENV{PKG_CONFIG_LOG};
1.1 ckuethe 38: }
39:
1.33 jasper 40: my $allow_uninstalled =
1.16 espie 41: defined $ENV{PKG_CONFIG_DISABLE_UNINSTALLED} ? 0 : 1;
1.14 espie 42: my $found_uninstalled = 0;
43:
1.49 jasper 44: my $version = 0.25; # pretend to be this version of pkgconfig
1.10 espie 45:
46: my %configs = ();
1.35 espie 47: setup_self();
48:
1.10 espie 49: my %mode = ();
1.11 espie 50: my $variables = {};
1.1 ckuethe 51:
1.56 jasper 52: $variables->{pc_top_builddir} = $ENV{PKG_CONFIG_TOP_BUILD_DIR} //
1.35 espie 53: '$(top_builddir)';
54:
55: $variables->{pc_sysrootdir} //= $ENV{PKG_CONFIG_SYSROOT_DIR};
56: # The default '/' is implied.
1.29 jasper 57:
1.61 ! jasper 58: defined $ENV{PKG_CONFIG_DEBUG_SPEW} ? $mode{debug} = 1 : $mode{debug} = 0;
1.7 ckuethe 59:
1.4 espie 60: if ($logfile) {
1.35 espie 61: open my $L, ">>" , $logfile or die;
1.51 jasper 62: print $L beautify_list($0, @ARGV), "\n";
1.4 espie 63: close $L;
1.1 ckuethe 64: }
65:
66: # combo arg-parsing and dependency resolution loop. Hopefully when the loop
67: # terminates, we have a full list of packages upon which we depend, and the
68: # right set of compiler and linker flags to use them.
69: #
70: # as each .pc file is loaded, it is stored in %configs, indexed by package
71: # name. this makes it possible to then pull out flags or do substitutions
1.34 jasper 72: # without having to go back and reload the files from disk.
1.1 ckuethe 73:
74: Getopt::Long::Configure('no_ignore_case');
1.61 ! jasper 75: GetOptions( 'debug' => \$mode{debug},
1.1 ckuethe 76: 'help' => \&help, #does not return
77: 'usage' => \&help, #does not return
1.14 espie 78: 'list-all' => \$mode{list},
1.1 ckuethe 79: 'version' => sub { print "$version\n" ; exit(0);} ,
1.11 espie 80: 'errors-to-stdout' => sub { $mode{estdout} = 1},
81: 'print-errors' => sub { $mode{printerr} = 1},
82: 'silence-errors' => sub { $mode{printerr} = 0},
1.23 jasper 83: 'short-errors' => sub { $mode{printerr} = 0},
1.14 espie 84: 'atleast-pkgconfig-version=s' => \$mode{myminvers},
1.30 jasper 85: 'print-provides' => \$mode{printprovides},
86: 'print-requires' => \$mode{printrequires},
87: 'print-requires-private' => \$mode{printrequiresprivate},
1.11 espie 88:
89: 'cflags' => sub { $mode{cflags} = 3},
90: 'cflags-only-I' => sub { $mode{cflags} |= 1},
91: 'cflags-only-other' => sub { $mode{cflags} |= 2},
92: 'libs' => sub { $mode{libs} = 7},
93: 'libs-only-l' => sub { $mode{libs} |= 1},
94: 'libs-only-L' => sub { $mode{libs} |= 2},
95: 'libs-only-other' => sub { $mode{libs} |= 4},
96: 'exists' => sub { $mode{exists} = 1} ,
97: 'static' => sub { $mode{static} = 1},
98: 'uninstalled' => sub { $mode{uninstalled} = 1},
1.14 espie 99: 'atleast-version=s' => \$mode{minversion},
100: 'exact-version=s' => \$mode{exactversion},
101: 'max-version=s' => \$mode{maxversion},
1.13 espie 102: 'modversion' => \$mode{modversion},
1.11 espie 103: 'variable=s' => \$mode{variable},
104: 'define-variable=s' => $variables,
1.1 ckuethe 105: );
106:
1.14 espie 107: # Initial value of printerr depends on the options...
108: if (!defined $mode{printerr}) {
1.61 ! jasper 109: if (defined $mode{libs}
! 110: or defined $mode{cflags}
! 111: or defined $mode{version}
! 112: or defined $mode{list}) {
1.14 espie 113: $mode{printerr} = 1;
114: } else {
115: $mode{printerr} = 0;
116: }
117: }
118:
1.61 ! jasper 119: pr_debug("\n" . beautify_list($0, @ARGV));
1.13 espie 120:
121: my $rc = 0;
1.1 ckuethe 122:
1.14 espie 123: # XXX pkg-config is a bit weird
1.10 espie 124: {
125: my $p = join(' ', @ARGV);
1.14 espie 126: $p =~ s/^\s+//;
1.35 espie 127: @ARGV = split /\,?\s+/, $p;
1.10 espie 128: }
1.1 ckuethe 129:
1.14 espie 130: if ($mode{myminvers}) {
131: exit self_version($mode{myminvers});
132: }
133:
134: if ($mode{list}) {
135: exit do_list();
1.1 ckuethe 136: }
137:
1.13 espie 138: my $cfg_full_list = [];
1.14 espie 139: my $top_config = [];
1.1 ckuethe 140:
141: while (@ARGV){
1.13 espie 142: my $p = shift @ARGV;
143: my $op = undef;
144: my $v = undef;
1.35 espie 145: if (@ARGV >= 2 && $ARGV[0] =~ /^[<=>]+$/ &&
1.59 jasper 146: $ARGV[1] =~ /^[\d\.]+[\w\.]*$/) {
1.13 espie 147: $op = shift @ARGV;
148: $v = shift @ARGV;
1.1 ckuethe 149: }
1.52 jasper 150: # For these modes we just need some meta-information and
151: # parsing the requirements is not needed.
152: if (!($mode{modversion} || $mode{printprovides})) {
153: handle_config($p, $op, $v, $cfg_full_list);
154: }
1.14 espie 155: push(@$top_config, $p);
156: }
157:
158: if ($mode{exists}) {
159: exit $rc;
160: }
161:
162: if ($mode{uninstalled}) {
163: $rc = 1 unless $found_uninstalled;
164: exit $rc;
1.11 espie 165: }
1.1 ckuethe 166:
1.30 jasper 167: if ($mode{modversion} || $mode{printprovides}) {
1.14 espie 168: for my $pkg (@$top_config) {
169: do_modversion($pkg);
170: }
171: }
1.13 espie 172:
1.30 jasper 173: if ($mode{printrequires} || $mode{printrequiresprivate}) {
174: for my $pkg (@$top_config) {
175: print_requires($pkg);
176: }
177: }
178:
1.14 espie 179: if ($mode{minversion}) {
180: my $v = $mode{minversion};
181: for my $pkg (@$top_config) {
182: $rc = 1 unless versionmatch($configs{$pkg}, '>=', $v);
183: }
184: exit $rc;
185: }
186:
187: if ($mode{exactversion}) {
188: my $v = $mode{exactversion};
189: for my $pkg (@$top_config) {
190: $rc = 1 unless versionmatch($configs{$pkg}, '=', $v);
191: }
192: exit $rc;
193: }
194:
195: if ($mode{minversion}) {
196: my $v = $mode{maxversion};
197: for my $pkg (@$top_config) {
198: $rc = 1 unless versionmatch($configs{$pkg}, '<=', $v);
199: }
200: exit $rc;
201: }
202:
203: my @vlist = ();
204:
205: if ($mode{variable}) {
206: for my $pkg (@$top_config) {
207: do_variable($pkg, $mode{variable});
208: }
209: }
210:
211: my $dep_cfg_list = simplify_and_reverse($cfg_full_list);
212:
213: if ($mode{cflags} || $mode{libs} || $mode{variable}) {
214: push @vlist, do_cflags($dep_cfg_list) if $mode{cflags};
215: push @vlist, do_libs($dep_cfg_list) if $mode{libs};
1.17 espie 216: print join(' ', @vlist), "\n" if $rc == 0;
1.1 ckuethe 217: }
218:
1.13 espie 219: exit $rc;
1.1 ckuethe 220:
221: ###########################################################################
222:
1.11 espie 223: sub handle_config
224: {
1.13 espie 225: my ($p, $op, $v, $list) = @_;
1.35 espie 226: my $cfg = cache_find_config($p);
1.13 espie 227:
1.35 espie 228: unshift @$list, $p if defined $cfg;
1.11 espie 229:
1.35 espie 230: if (!defined $cfg) {
231: $rc = 1;
232: return undef;
233: }
1.15 espie 234:
1.35 espie 235: if (defined $op) {
236: if (!versionmatch($cfg, $op, $v)) {
237: mismatch($p, $cfg, $op, $v) if $mode{printerr};
1.13 espie 238: $rc = 1;
239: return undef;
240: }
1.35 espie 241: }
1.11 espie 242:
1.43 jasper 243: my $get_props = sub {
244: my $property = shift;
245:
246: my $deps = $cfg->get_property($property, $variables);
247: if (defined $deps) {
248: for my $dep (@$deps) {
1.46 jasper 249: if ($dep =~ m/^(.*?)\s*([<=>]+)\s*([\d\.]+|[\d\.]+[\w]*[\d]+)$/) {
1.43 jasper 250: handle_config($1, $2, $3, $list);
251: } else {
252: handle_config($dep, undef, undef, $list);
253: }
1.26 jasper 254: }
1.61 ! jasper 255: pr_debug("package $p " . lc($property) . " " . join(',', @$deps));
1.26 jasper 256: }
1.43 jasper 257: };
258:
259: &$get_props("Requires");
260: &$get_props("Requires.private");
1.26 jasper 261:
1.11 espie 262: }
263:
1.1 ckuethe 264: # look for the .pc file in each of the PKGPATH elements. Return the path or
265: # undef if it's not there
1.4 espie 266: sub pathresolve
267: {
268: my ($p) = @_;
269:
1.14 espie 270: if ($allow_uninstalled && $p !~ m/\-uninstalled$/) {
271: foreach my $d (@PKGPATH) {
272: my $f = "$d/$p-uninstalled.pc";
1.61 ! jasper 273: pr_debug("pathresolve($p) looking in $f");
1.14 espie 274: if (-f $f) {
275: $found_uninstalled = 1;
276: return $f;
277: }
278: }
279: }
280:
1.4 espie 281: foreach my $d (@PKGPATH) {
1.10 espie 282: my $f = "$d/$p.pc";
1.61 ! jasper 283: pr_debug("pathresolve($p) looking in $f");
1.10 espie 284: return $f if -f $f;
1.1 ckuethe 285: }
1.10 espie 286: return undef;
1.1 ckuethe 287: }
288:
1.11 espie 289: sub get_config
290: {
291: my ($f) = @_;
292:
293: my $cfg;
1.33 jasper 294: eval {
1.11 espie 295: $cfg = OpenBSD::PkgConfig->read_file($f);
296: };
297: if (!$@) {
1.37 jasper 298: return validate_config($f, $cfg);
1.11 espie 299: } else {
1.61 ! jasper 300: pr_debug($@);
1.11 espie 301: }
302: return undef;
303: }
304:
1.13 espie 305: sub cache_find_config
306: {
307: my $name = shift;
308:
1.61 ! jasper 309: pr_debug("processing $name");
1.13 espie 310:
311: if (exists $configs{$name}) {
312: return $configs{$name};
313: } else {
314: return $configs{$name} = find_config($name);
315: }
1.37 jasper 316: }
317:
318: # Required elements for a valid .pc file: Name, Description, Version
319: sub validate_config
320: {
321: my ($f, $cfg) = @_;
322: my @required_elems = ('Name', 'Description', 'Version');
1.58 jasper 323:
324: # Check if we're dealing with an empty file, but don't error out just
325: # yet, we'll do that when we realize there's no Name field.
1.61 ! jasper 326: if (stat($f)->size == 0) {
1.58 jasper 327: my $p = $f;
328: $p =~ s/(^.*\/)(.*?)$/$2/g;
1.61 ! jasper 329: pr_error("Package file '$p' appears to be empty");
1.58 jasper 330: }
1.37 jasper 331:
332: foreach (@required_elems) {
1.58 jasper 333: my $e = $cfg->get_property($_, $variables);
1.37 jasper 334: if (!defined $e) {
1.39 jasper 335: $f =~ s/(^.*\/)(.*?)\.pc$/$2/g;
1.61 ! jasper 336: pr_error("Package '$f' has no $_: field");
1.37 jasper 337: return undef;
338: }
339: }
340:
341: return $cfg;
1.13 espie 342: }
343:
1.35 espie 344: # pkg-config won't install a pkg-config.pc file itself, but it may be
345:
346: # listed as a dependency in other files.
347: # so, prime the cache with self
348: sub setup_self
349: {
350: my $pkg_pc = OpenBSD::PkgConfig->new;
351: $pkg_pc->add_property('Version', $version);
1.38 jasper 352: $pkg_pc->add_variable('pc_path', join(":", @PKGPATH));
1.35 espie 353: $configs{'pkg-config'} = $pkg_pc;
354: }
355:
1.11 espie 356: sub find_config
357: {
358: my ($p) = @_;
359: my $f = pathresolve($p);
360: if (defined $f) {
361: return get_config($f);
362: }
1.61 ! jasper 363: pr_error("Package $p was not found in the pkg-config search path");
! 364:
1.11 espie 365: return undef;
366: }
1.1 ckuethe 367:
1.11 espie 368: sub stringize
1.4 espie 369: {
1.11 espie 370: my $list = shift;
1.21 simon 371: my $sep = shift || ',';
1.4 espie 372:
1.11 espie 373: if (defined $list) {
1.21 simon 374: return join($sep, @$list)
1.11 espie 375: } else {
376: return '';
1.1 ckuethe 377: }
378: }
379:
380: #if the variable option is set, pull out the named variable
1.4 espie 381: sub do_variable
382: {
1.11 espie 383: my ($p, $v) = @_;
1.1 ckuethe 384:
1.13 espie 385: my $cfg = cache_find_config($p);
386:
387: if (defined $cfg) {
1.11 espie 388: my $value = $cfg->get_variable($v, $variables);
389: if (defined $value) {
1.13 espie 390: push(@vlist, $value);
1.11 espie 391: }
1.19 espie 392: return undef;
1.11 espie 393: }
1.19 espie 394: $rc = 1;
1.1 ckuethe 395: }
396:
1.30 jasper 397: #if the modversion or print-provides options are set,
398: #pull out the compiler flags
1.4 espie 399: sub do_modversion
400: {
1.11 espie 401: my ($p) = @_;
1.1 ckuethe 402:
1.13 espie 403: my $cfg = cache_find_config($p);
404:
405: if (defined $cfg) {
1.11 espie 406: my $value = $cfg->get_property('Version', $variables);
407: if (defined $value) {
1.60 jasper 408: if (defined($mode{printprovides})){
409: print "$p = " . stringize($value) . "\n";
1.30 jasper 410: return undef;
411: } else {
1.60 jasper 412: print stringize($value), "\n";
1.30 jasper 413: return undef;
414: }
1.11 espie 415: }
416: }
1.13 espie 417: $rc = 1;
1.1 ckuethe 418: }
419:
420: #if the cflags option is set, pull out the compiler flags
1.4 espie 421: sub do_cflags
422: {
1.14 espie 423: my $list = shift;
424:
1.11 espie 425: my $cflags = [];
1.1 ckuethe 426:
1.14 espie 427: foreach my $pkg (@$list) {
1.11 espie 428: my $l = $configs{$pkg}->get_property('Cflags', $variables);
429: push(@$cflags, @$l) if defined $l;
430: }
1.32 jasper 431: my $a = OpenBSD::PkgConfig->compress($cflags,
1.11 espie 432: sub {
433: local $_ = shift;
434: if (($mode{cflags} & 1) && /^-I/ ||
435: ($mode{cflags} & 2) && !/^-I/) {
436: return 1;
437: } else {
438: return 0;
1.4 espie 439: }
1.11 espie 440: });
1.32 jasper 441: if (defined($a) && defined($variables->{pc_sysrootdir})){
1.36 jasper 442: $a =~ s/[\w]?-I/$&$variables->{pc_sysrootdir}/g;
1.32 jasper 443: }
444:
445: return $a;
1.1 ckuethe 446: }
447:
448: #if the lib option is set, pull out the linker flags
1.4 espie 449: sub do_libs
450: {
1.14 espie 451: my $list = shift;
452:
1.11 espie 453: my $libs = [];
1.1 ckuethe 454:
1.14 espie 455: foreach my $pkg (@$list) {
1.11 espie 456: my $l = $configs{$pkg}->get_property('Libs', $variables);
457: push(@$libs, @$l) if defined $l;
458: }
1.13 espie 459: my $a = OpenBSD::PkgConfig->compress($libs,
1.11 espie 460: sub {
461: local $_ = shift;
1.13 espie 462: if (($mode{libs} & 2) && /^-L/ ||
1.11 espie 463: ($mode{libs} & 4) && !/^-[lL]/) {
464: return 1;
465: } else {
466: return 0;
1.4 espie 467: }
1.11 espie 468: });
1.32 jasper 469:
470: if (defined($variables->{pc_sysrootdir})){
1.36 jasper 471: $a =~ s/[\w]?-[lL]/$&$variables->{pc_sysrootdir}/g;
1.32 jasper 472: }
473:
1.13 espie 474: if ($mode{libs} & 1) {
475: my $b = OpenBSD::PkgConfig->rcompress($libs,
476: sub { shift =~ m/^-l/; });
477: return ($a, $b);
478: } else {
479: return $a;
480: }
1.1 ckuethe 481: }
482:
483: #list all packages
1.4 espie 484: sub do_list
485: {
1.1 ckuethe 486: my ($p, $x, $y, @files, $fname, $name);
1.20 espie 487: my $error = 0;
488:
1.33 jasper 489: foreach my $p (@PKGPATH) {
490: push(@files, <$p/*.pc>);
1.4 espie 491: }
1.1 ckuethe 492:
493: # Scan the lengths of the package names so I can make a format
494: # string to line the list up just like the real pkgconfig does.
495: $x = 0;
1.4 espie 496: foreach my $f (@files) {
497: $fname = basename($f, '.pc');
498: $y = length $fname;
1.1 ckuethe 499: $x = (($y > $x) ? $y : $x);
500: }
501: $x *= -1;
502:
1.4 espie 503: foreach my $f (@files) {
1.11 espie 504: my $cfg = get_config($f);
1.20 espie 505: if (!defined $cfg) {
506: print STDERR "Problem reading file $f\n";
507: $error = 1;
508: next;
509: }
1.4 espie 510: $fname = basename($f, '.pc');
1.33 jasper 511: printf("%${x}s %s - %s\n", $fname,
1.53 jasper 512: stringize($cfg->get_property('Name', $variables), ' '),
1.21 simon 513: stringize($cfg->get_property('Description', $variables),
514: ' '));
1.1 ckuethe 515: }
1.20 espie 516: return $error;
1.1 ckuethe 517: }
518:
1.4 espie 519: sub help
520: {
1.1 ckuethe 521: print <<EOF
522: Usage: $0 [options]
523: --debug - turn on debugging output
524: --help - this message
525: --usage - this message
526: --list-all - show all packages that $0 can find
1.8 ckuethe 527: --version - print version of pkgconfig
528: --errors-to-stdout - direct error messages to stdout rather than stderr
529: --print-errors - print error messages in case of error
1.34 jasper 530: --print-provides - print all the modules the given package provides
531: --print-requires - print all the modules the given package requires
532: --print-requires-private - print all the private modules the given package requires
1.8 ckuethe 533: --silence-errors - don't print error messages in case of error
1.1 ckuethe 534: --atleast-pkgconfig-version [version] - require a certain version of pkgconfig
535: --cflags package [versionspec] [package [versionspec]]
536: --cflags-only-I - only output -Iincludepath flags
537: --cflags-only-other - only output flags that are not -I
1.11 espie 538: --define-variable=NAME=VALUE - define variables
1.1 ckuethe 539: --libs package [versionspec] [package [versionspec]]
540: --libs-only-l - only output -llib flags
541: --libs-only-L - only output -Llibpath flags
542: --libs-only-other - only output flags that are not -l or -L
543: --exists package [versionspec] [package [versionspec]]
544: --uninstalled - allow for uninstalled versions to be used
1.8 ckuethe 545: --static - adjust output for static linking
546: --atleast-version [version] - require a certain version of a package
547: --modversion [package] - query the version of a package
548: --variable var package - return the definition of <var> in <package>
1.1 ckuethe 549: EOF
550: ;
1.22 simon 551: exit 0;
1.1 ckuethe 552: }
553:
554: # do we meet/beat the version the caller requested?
1.4 espie 555: sub self_version
556: {
557: my ($v) = @_;
558: my (@a, @b);
559:
560: @a = split /\./, $v;
561: @b = split /\./, $version;
1.1 ckuethe 562:
1.4 espie 563: if (($b[0] >= $a[0]) && ($b[1] >= $a[1])) {
1.14 espie 564: return 0;
1.1 ckuethe 565: } else {
1.14 espie 566: return 1;
567: }
568: }
569:
570: sub compare
571: {
572: my ($a, $b) = @_;
1.46 jasper 573: my ($full_a, $full_b) = ($a, $b);
574: my (@suffix_a, @suffix_b);
1.14 espie 575:
1.28 jasper 576: return 0 if ($a eq $b);
1.14 espie 577:
1.46 jasper 578: # is there a valid non-numeric suffix to deal with later?
1.58 jasper 579: # accepted are (in order): a(lpha) < b(eta) < rc < ' '.
1.46 jasper 580: # suffix[0] is the 'alpha' part, suffix[1] is the '1' part in 'alpha1'.
1.59 jasper 581: if ($a =~ s/(rc|beta|b|alpha|a)(\d+)$//) {
1.61 ! jasper 582: pr_debug("valid suffix $1$2 found in $a$1$2.");
1.46 jasper 583: $suffix_a[0] = $1;
584: $suffix_a[1] = $2;
585: }
586:
1.59 jasper 587: if ($b =~ s/(rc|beta|b|alpha|a)(\d+)$//) {
1.61 ! jasper 588: pr_debug("valid suffix $1$2 found in $b$1$2.");
1.46 jasper 589: $suffix_b[0] = $1;
590: $suffix_b[1] = $2;
591: }
592:
1.14 espie 593: my @a = split /\./, $a;
594: my @b = split /\./, $b;
595:
596: while (@a && @b) { #so long as both lists have something
1.46 jasper 597: if (!(@suffix_a || @suffix_b)) {
598: # simple comparison when no suffixes are in the game.
1.48 jasper 599: my $rc = compare_numeric($a[0], $b[0], 0);
600: return $rc if defined($rc);
1.46 jasper 601: } else {
602: # extended comparison.
1.56 jasper 603: if (((@a == 1) || (@b == 1)) &&
1.46 jasper 604: ($a[0] == $b[0])){
605: # one of the arrays has reached the last element,
606: # compare the suffix.
607:
608: # directly compare suffixes, provided both suffixes
609: # are present.
610: if (@suffix_a && @suffix_b) {
611: my $first_char = sub {
612: return substr(shift, 0, 1);
613: };
614:
615: # suffixes are equal, compare on numeric
616: if (&$first_char($suffix_a[0]) eq
617: &$first_char($suffix_b[0])) {
1.48 jasper 618: return compare_numeric($suffix_a[1], $suffix_b[1], 1);
1.46 jasper 619: }
620:
1.47 jasper 621: # rc beats beta beats alpha
1.46 jasper 622: if (&$first_char($suffix_a[0]) lt &$first_char($suffix_b[0])) {
1.61 ! jasper 623: pr_debug("$full_a (installed) < $full_b (wanted)");
1.46 jasper 624: return -1;
625: } else {
1.61 ! jasper 626: pr_debug("$full_a (installed) > $full_b (wanted)");
1.46 jasper 627: return 1;
628: }
629:
630: } else {
631: # one of either is lacking a suffix,
632: # thereby beating the other.
633: # e.g.: 1.02 > 1.02b1
634: if (@suffix_a) { # a is older
1.61 ! jasper 635: pr_debug("$full_a (installed) < $full_b (wanted)");
1.55 jasper 636: return 1;
1.46 jasper 637: }
638:
639: if (@suffix_b) { # b is older
1.61 ! jasper 640: pr_debug("$full_a (installed) > $full_b (wanted)");
1.55 jasper 641: return -1;
1.46 jasper 642: }
643: }
644: } else {
1.48 jasper 645: my $rc = compare_numeric($a[0], $b[0], 0);
646: return $rc if defined($rc);
1.46 jasper 647: }
648: }
1.14 espie 649: shift @a; shift @b;
650: }
651: return 1 if @a;
652: return -1 if @b;
653: return 0;
1.48 jasper 654: }
655:
656: # simple numeric comparison, with optional equality test.
657: sub compare_numeric
658: {
659: my ($x, $y, $eq) = @_;
660:
661: return 1 if $x > $y;
662: return -1 if $x < $y;
663: return 0 if (($x == $y) and ($eq == 1));
664: return undef;
1.1 ckuethe 665: }
666:
667: # got a package meeting the requested specific version?
1.4 espie 668: sub versionmatch
669: {
1.14 espie 670: my ($cfg, $op, $want) = @_;
1.33 jasper 671:
1.1 ckuethe 672: # can't possibly match if we can't find the file
1.11 espie 673: return 0 if !defined $cfg;
674:
1.14 espie 675: my $inst = stringize($cfg->get_property('Version', $variables));
1.11 espie 676:
1.1 ckuethe 677: # can't possibly match if we can't find the version string
1.14 espie 678: return 0 if $inst eq '';
1.1 ckuethe 679:
1.61 ! jasper 680: pr_debug("comparing $want (wanted) to $inst (installed)");
1.14 espie 681: my $value = compare($inst, $want);
1.31 jasper 682: if ($op eq '>=') { return $value >= 0; }
683: elsif ($op eq '=') { return $value == 0; }
684: elsif ($op eq '!=') { return $value != 0; }
685: elsif ($op eq '<') { return $value < 0; }
686: elsif ($op eq '>') { return $value > 0; }
687: elsif ($op eq '<=') { return $value <= 0; }
1.13 espie 688: }
689:
690: sub mismatch
691: {
692: my ($p, $cfg, $op, $v) = @_;
1.53 jasper 693: my $name = stringize($cfg->get_property('Name'), ' ');
1.41 jasper 694: my $version = stringize($cfg->get_property('Version'));
695: my $url = stringize($cfg->get_property('URL'));
696:
697: print STDERR "Requested '$p $op $v' but version of $name is $version\n";
698: print STDERR "You may find new versions of $name at $url\n" if $url;
1.13 espie 699: }
700:
701: sub simplify_and_reverse
702: {
703: my $reqlist = shift;
704: my $dejavu = {};
705: my $result = [];
706:
707: for my $item (@$reqlist) {
708: if (!$dejavu->{$item}) {
709: unshift @$result, $item;
710: $dejavu->{$item} = 1;
711: }
712: }
713: return $result;
1.30 jasper 714: }
715:
716: # retrieve and print Requires(.private)
717: sub print_requires
718: {
719: my ($p) = @_;
720:
721: my $cfg = cache_find_config($p);
722:
723: if (defined($cfg)) {
724: my $value;
725:
726: if (defined($mode{printrequires})) {
727: $value = $cfg->get_property('Requires', $variables);
728: } elsif (defined($mode{printrequiresprivate})) {
729: $value = $cfg->get_property('Requires.private', $variables);
730: } else {
1.61 ! jasper 731: pr_debug("Unknown mode for print_requires.");
1.30 jasper 732: return 1;
733: }
734:
735: if (defined($value)) {
736: print "$_\n" foreach (@$value);
737: return undef;
738: }
739: }
740:
741: $rc = 1;
1.35 espie 742: }
743:
744: sub beautify_list
745: {
746: return join(' ', map {"[$_]"} @_);
1.61 ! jasper 747: }
! 748:
! 749: sub pr_debug
! 750: {
! 751: my $str = shift;
! 752: print STDERR $str . "\n" if $mode{debug};
! 753: }
! 754:
! 755: sub pr_error
! 756: {
! 757: my $str = shift;
! 758: print STDERR $str . "\n" if $mode{printerr};
1.1 ckuethe 759: }
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