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