Annotation of src/usr.bin/pkg-config/pkg-config, Revision 1.39
1.1 ckuethe 1: #!/usr/bin/perl
1.39 ! jasper 2: # $OpenBSD: pkg-config,v 1.38 2011/03/18 15:18:13 jasper Exp $
1.1 ckuethe 3:
4: #$CSK: pkgconfig.pl,v 1.39 2006/11/27 16:26:20 ckuethe Exp $
5: # Copyright (c) 2006 Chris Kuethe <ckuethe@openbsd.org>
6: #
7: # Permission to use, copy, modify, and distribute this software for any
8: # purpose with or without fee is hereby granted, provided that the above
9: # copyright notice and this permission notice appear in all copies.
10: #
11: # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18:
19: use strict;
20: use warnings;
21: use Getopt::Long;
1.4 espie 22: use File::Basename;
1.11 espie 23: use OpenBSD::PkgConfig;
1.1 ckuethe 24:
1.27 jasper 25: my @PKGPATH = qw(/usr/lib/pkgconfig /usr/local/lib/pkgconfig /usr/X11R6/lib/pkgconfig);
1.1 ckuethe 26:
1.16 espie 27: if (defined($ENV{PKG_CONFIG_LIBDIR}) && $ENV{PKG_CONFIG_LIBDIR}) {
28: @PKGPATH = split /:/, $ENV{PKG_CONFIG_LIBDIR};
29: } elsif (defined($ENV{PKG_CONFIG_PATH}) && $ENV{PKG_CONFIG_PATH}) {
1.24 ckuethe 30: unshift(@PKGPATH, split /:/, $ENV{PKG_CONFIG_PATH});
1.1 ckuethe 31: }
32:
33: my $logfile = '';
1.16 espie 34: if (defined($ENV{PKG_CONFIG_LOGFILE}) && $ENV{PKG_CONFIG_LOGFILE}) {
35: $logfile = $ENV{PKG_CONFIG_LOGFILE};
1.1 ckuethe 36: }
37:
1.33 jasper 38: my $allow_uninstalled =
1.16 espie 39: defined $ENV{PKG_CONFIG_DISABLE_UNINSTALLED} ? 0 : 1;
1.14 espie 40: my $found_uninstalled = 0;
41:
1.32 jasper 42: my $version = 0.23; # pretend to be this version of pkgconfig
1.10 espie 43:
44: my %configs = ();
1.35 espie 45: setup_self();
46:
1.10 espie 47: my %mode = ();
1.11 espie 48: my $variables = {};
1.10 espie 49: my $D = 0; # debug flag
1.1 ckuethe 50:
1.35 espie 51: $variables->{pc_top_builddir} = $ENV{PKG_CONFIG_TOP_BUILD_DIR} //
52: '$(top_builddir)';
53:
54: $variables->{pc_sysrootdir} //= $ENV{PKG_CONFIG_SYSROOT_DIR};
55: # The default '/' is implied.
1.29 jasper 56:
1.35 espie 57: $D = 1 if defined $ENV{PKG_CONFIG_DEBUG_SPEW};
1.7 ckuethe 58:
1.4 espie 59: if ($logfile) {
1.35 espie 60: open my $L, ">>" , $logfile or die;
61: print $L beautify_list($_, @ARGV), "\n";
1.4 espie 62: close $L;
1.1 ckuethe 63: }
64:
65: # combo arg-parsing and dependency resolution loop. Hopefully when the loop
66: # terminates, we have a full list of packages upon which we depend, and the
67: # right set of compiler and linker flags to use them.
68: #
69: # as each .pc file is loaded, it is stored in %configs, indexed by package
70: # name. this makes it possible to then pull out flags or do substitutions
1.34 jasper 71: # without having to go back and reload the files from disk.
1.1 ckuethe 72:
73: Getopt::Long::Configure('no_ignore_case');
74: GetOptions( 'debug' => \$D,
75: 'help' => \&help, #does not return
76: 'usage' => \&help, #does not return
1.14 espie 77: 'list-all' => \$mode{list},
1.1 ckuethe 78: 'version' => sub { print "$version\n" ; exit(0);} ,
1.11 espie 79: 'errors-to-stdout' => sub { $mode{estdout} = 1},
80: 'print-errors' => sub { $mode{printerr} = 1},
81: 'silence-errors' => sub { $mode{printerr} = 0},
1.23 jasper 82: 'short-errors' => sub { $mode{printerr} = 0},
1.14 espie 83: 'atleast-pkgconfig-version=s' => \$mode{myminvers},
1.30 jasper 84: 'print-provides' => \$mode{printprovides},
85: 'print-requires' => \$mode{printrequires},
86: 'print-requires-private' => \$mode{printrequiresprivate},
1.11 espie 87:
88: 'cflags' => sub { $mode{cflags} = 3},
89: 'cflags-only-I' => sub { $mode{cflags} |= 1},
90: 'cflags-only-other' => sub { $mode{cflags} |= 2},
91: 'libs' => sub { $mode{libs} = 7},
92: 'libs-only-l' => sub { $mode{libs} |= 1},
93: 'libs-only-L' => sub { $mode{libs} |= 2},
94: 'libs-only-other' => sub { $mode{libs} |= 4},
95: 'exists' => sub { $mode{exists} = 1} ,
96: 'static' => sub { $mode{static} = 1},
97: 'uninstalled' => sub { $mode{uninstalled} = 1},
1.14 espie 98: 'atleast-version=s' => \$mode{minversion},
99: 'exact-version=s' => \$mode{exactversion},
100: 'max-version=s' => \$mode{maxversion},
1.13 espie 101: 'modversion' => \$mode{modversion},
1.11 espie 102: 'variable=s' => \$mode{variable},
103: 'define-variable=s' => $variables,
1.1 ckuethe 104: );
105:
1.14 espie 106: # Initial value of printerr depends on the options...
107: if (!defined $mode{printerr}) {
1.33 jasper 108: if (defined $mode{libs} || defined $mode{cflags}
1.14 espie 109: || defined $mode{version} || defined $mode{list}) {
110: $mode{printerr} = 1;
111: } else {
112: $mode{printerr} = 0;
113: }
114: }
115:
1.35 espie 116: print STDERR "\n", beautify_list($0, @ARGV), "\n" if $D;
1.13 espie 117:
118: my $rc = 0;
1.1 ckuethe 119:
1.14 espie 120: # XXX pkg-config is a bit weird
1.10 espie 121: {
122: my $p = join(' ', @ARGV);
1.14 espie 123: $p =~ s/^\s+//;
1.35 espie 124: @ARGV = split /\,?\s+/, $p;
1.10 espie 125: }
1.1 ckuethe 126:
1.14 espie 127: if ($mode{myminvers}) {
128: exit self_version($mode{myminvers});
129: }
130:
131: if ($mode{list}) {
132: exit do_list();
1.1 ckuethe 133: }
134:
1.13 espie 135: my $cfg_full_list = [];
1.14 espie 136: my $top_config = [];
1.1 ckuethe 137:
138: while (@ARGV){
1.13 espie 139: my $p = shift @ARGV;
140: my $op = undef;
141: my $v = undef;
1.35 espie 142: if (@ARGV >= 2 && $ARGV[0] =~ /^[<=>]+$/ &&
143: $ARGV[1] =~ /^[\d\.]+$/) {
1.13 espie 144: $op = shift @ARGV;
145: $v = shift @ARGV;
1.1 ckuethe 146: }
1.13 espie 147: handle_config($p, $op, $v, $cfg_full_list);
1.14 espie 148: push(@$top_config, $p);
149: }
150:
151: if ($mode{exists}) {
152: exit $rc;
153: }
154:
155: if ($mode{uninstalled}) {
156: $rc = 1 unless $found_uninstalled;
157: exit $rc;
1.11 espie 158: }
1.1 ckuethe 159:
1.30 jasper 160: if ($mode{modversion} || $mode{printprovides}) {
1.14 espie 161: for my $pkg (@$top_config) {
162: do_modversion($pkg);
163: }
164: }
1.13 espie 165:
1.30 jasper 166: if ($mode{printrequires} || $mode{printrequiresprivate}) {
167: for my $pkg (@$top_config) {
168: print_requires($pkg);
169: }
170: }
171:
1.14 espie 172: if ($mode{minversion}) {
173: my $v = $mode{minversion};
174: for my $pkg (@$top_config) {
175: $rc = 1 unless versionmatch($configs{$pkg}, '>=', $v);
176: }
177: exit $rc;
178: }
179:
180: if ($mode{exactversion}) {
181: my $v = $mode{exactversion};
182: for my $pkg (@$top_config) {
183: $rc = 1 unless versionmatch($configs{$pkg}, '=', $v);
184: }
185: exit $rc;
186: }
187:
188: if ($mode{minversion}) {
189: my $v = $mode{maxversion};
190: for my $pkg (@$top_config) {
191: $rc = 1 unless versionmatch($configs{$pkg}, '<=', $v);
192: }
193: exit $rc;
194: }
195:
196: my @vlist = ();
197:
198: if ($mode{variable}) {
199: for my $pkg (@$top_config) {
200: do_variable($pkg, $mode{variable});
201: }
202: }
203:
204: my $dep_cfg_list = simplify_and_reverse($cfg_full_list);
205:
206: if ($mode{cflags} || $mode{libs} || $mode{variable}) {
207: push @vlist, do_cflags($dep_cfg_list) if $mode{cflags};
208: push @vlist, do_libs($dep_cfg_list) if $mode{libs};
1.17 espie 209: print join(' ', @vlist), "\n" if $rc == 0;
1.1 ckuethe 210: }
211:
1.13 espie 212: exit $rc;
1.1 ckuethe 213:
214: ###########################################################################
215:
1.11 espie 216: sub handle_config
217: {
1.13 espie 218: my ($p, $op, $v, $list) = @_;
1.35 espie 219: my $cfg = cache_find_config($p);
1.13 espie 220:
1.35 espie 221: unshift @$list, $p if defined $cfg;
1.11 espie 222:
1.35 espie 223: if (!defined $cfg) {
224: $rc = 1;
225: return undef;
226: }
1.15 espie 227:
1.35 espie 228: if (defined $op) {
229: if (!versionmatch($cfg, $op, $v)) {
230: mismatch($p, $cfg, $op, $v) if $mode{printerr};
1.13 espie 231: $rc = 1;
232: return undef;
233: }
1.35 espie 234: }
1.11 espie 235:
1.35 espie 236: my $deps = $cfg->get_property('Requires', $variables);
237: if (defined $deps) {
238: for my $dep (@$deps) {
239: if ($dep =~ m/^(.*?)\s*([<=>]+)\s*([\d\.]+)$/) {
240: handle_config($1, $2, $3, $list);
241: } else {
242: handle_config($dep, undef, undef, $list);
1.26 jasper 243: }
244: }
1.35 espie 245: print STDERR "package $p requires ",
246: join(',', @$deps), "\n" if $D;
247: }
1.26 jasper 248:
1.35 espie 249: $deps = $cfg->get_property('Requires.private', $variables);
250: if (defined $deps) {
251: for my $dep (@$deps) {
252: if ($dep =~ m/^(.*?)\s*([<=>]+)\s*([\d\.]+)$/) {
253: handle_config($1, $2, $3, $list);
254: } else {
255: handle_config($dep, undef, undef, $list);
1.13 espie 256: }
257: }
1.35 espie 258: print STDERR "package $p requires (private)",
259: join(',', @$deps), "\n" if $D;
1.11 espie 260: }
261: }
262:
1.1 ckuethe 263: # look for the .pc file in each of the PKGPATH elements. Return the path or
264: # undef if it's not there
1.4 espie 265: sub pathresolve
266: {
267: my ($p) = @_;
268:
1.14 espie 269: if ($allow_uninstalled && $p !~ m/\-uninstalled$/) {
270: foreach my $d (@PKGPATH) {
271: my $f = "$d/$p-uninstalled.pc";
272: print STDERR "pathresolve($p) looking in $f\n" if $D;
273: if (-f $f) {
274: $found_uninstalled = 1;
275: return $f;
276: }
277: }
278: }
279:
1.4 espie 280: foreach my $d (@PKGPATH) {
1.10 espie 281: my $f = "$d/$p.pc";
1.4 espie 282: print STDERR "pathresolve($p) looking in $f\n" if $D;
1.10 espie 283: return $f if -f $f;
1.1 ckuethe 284: }
1.10 espie 285: return undef;
1.1 ckuethe 286: }
287:
1.11 espie 288: sub get_config
289: {
290: my ($f) = @_;
291:
292: my $cfg;
1.33 jasper 293: eval {
1.11 espie 294: $cfg = OpenBSD::PkgConfig->read_file($f);
295: };
296: if (!$@) {
1.37 jasper 297: return validate_config($f, $cfg);
1.11 espie 298: } else {
1.12 espie 299: print STDERR $@, "\n" if $D;
1.11 espie 300: }
301: return undef;
302: }
303:
1.13 espie 304: sub cache_find_config
305: {
306: my $name = shift;
307:
308: print STDERR "processing $name\n" if $D;
309:
310: if (exists $configs{$name}) {
311: return $configs{$name};
312: } else {
313: return $configs{$name} = find_config($name);
314: }
1.37 jasper 315: }
316:
317: # Required elements for a valid .pc file: Name, Description, Version
318: sub validate_config
319: {
320: my ($f, $cfg) = @_;
321: my @required_elems = ('Name', 'Description', 'Version');
322: my $e;
323:
324: foreach (@required_elems) {
325: $e = $cfg->get_property($_, $variables);
326: if (!defined $e) {
1.39 ! jasper 327: $f =~ s/(^.*\/)(.*?)\.pc$/$2/g;
! 328: print STDERR "Package '$f' has no $_: field\n";
1.37 jasper 329: return undef;
330: }
331: }
332:
333: return $cfg;
1.13 espie 334: }
335:
1.35 espie 336: # pkg-config won't install a pkg-config.pc file itself, but it may be
337:
338: # listed as a dependency in other files.
339: # so, prime the cache with self
340: sub setup_self
341: {
342: my $pkg_pc = OpenBSD::PkgConfig->new;
343: $pkg_pc->add_property('Version', $version);
1.38 jasper 344: $pkg_pc->add_variable('pc_path', join(":", @PKGPATH));
1.35 espie 345: $configs{'pkg-config'} = $pkg_pc;
346: }
347:
1.11 espie 348: sub find_config
349: {
350: my ($p) = @_;
351: my $f = pathresolve($p);
352: if (defined $f) {
353: return get_config($f);
354: }
1.13 espie 355: if ($mode{printerr}) {
1.33 jasper 356: print STDERR
1.13 espie 357: "Package $p was not found in the pkg-config search path\n";
358: }
1.11 espie 359: return undef;
360: }
1.1 ckuethe 361:
1.11 espie 362: sub stringize
1.4 espie 363: {
1.11 espie 364: my $list = shift;
1.21 simon 365: my $sep = shift || ',';
1.4 espie 366:
1.11 espie 367: if (defined $list) {
1.21 simon 368: return join($sep, @$list)
1.11 espie 369: } else {
370: return '';
1.1 ckuethe 371: }
372: }
373:
374: #if the variable option is set, pull out the named variable
1.4 espie 375: sub do_variable
376: {
1.11 espie 377: my ($p, $v) = @_;
1.1 ckuethe 378:
1.13 espie 379: my $cfg = cache_find_config($p);
380:
381: if (defined $cfg) {
1.11 espie 382: my $value = $cfg->get_variable($v, $variables);
383: if (defined $value) {
1.13 espie 384: push(@vlist, $value);
1.11 espie 385: }
1.19 espie 386: return undef;
1.11 espie 387: }
1.19 espie 388: $rc = 1;
1.1 ckuethe 389: }
390:
1.30 jasper 391: #if the modversion or print-provides options are set,
392: #pull out the compiler flags
1.4 espie 393: sub do_modversion
394: {
1.11 espie 395: my ($p) = @_;
1.1 ckuethe 396:
1.13 espie 397: my $cfg = cache_find_config($p);
398:
399: if (defined $cfg) {
1.11 espie 400: my $value = $cfg->get_property('Version', $variables);
401: if (defined $value) {
1.30 jasper 402: if (!defined($mode{printprovides})){
403: print stringize($value), "\n";
404: return undef;
405: } else {
406: print "$p = " . stringize($value) . "\n";
407: return undef;
408: }
1.11 espie 409: }
410: }
1.13 espie 411: $rc = 1;
1.1 ckuethe 412: }
413:
414: #if the cflags option is set, pull out the compiler flags
1.4 espie 415: sub do_cflags
416: {
1.14 espie 417: my $list = shift;
418:
1.11 espie 419: my $cflags = [];
1.1 ckuethe 420:
1.14 espie 421: foreach my $pkg (@$list) {
1.11 espie 422: my $l = $configs{$pkg}->get_property('Cflags', $variables);
423: push(@$cflags, @$l) if defined $l;
424: }
1.32 jasper 425: my $a = OpenBSD::PkgConfig->compress($cflags,
1.11 espie 426: sub {
427: local $_ = shift;
428: if (($mode{cflags} & 1) && /^-I/ ||
429: ($mode{cflags} & 2) && !/^-I/) {
430: return 1;
431: } else {
432: return 0;
1.4 espie 433: }
1.11 espie 434: });
1.32 jasper 435: if (defined($a) && defined($variables->{pc_sysrootdir})){
1.36 jasper 436: $a =~ s/[\w]?-I/$&$variables->{pc_sysrootdir}/g;
1.32 jasper 437: }
438:
439: return $a;
1.1 ckuethe 440: }
441:
442: #if the lib option is set, pull out the linker flags
1.4 espie 443: sub do_libs
444: {
1.14 espie 445: my $list = shift;
446:
1.11 espie 447: my $libs = [];
1.1 ckuethe 448:
1.14 espie 449: foreach my $pkg (@$list) {
1.11 espie 450: my $l = $configs{$pkg}->get_property('Libs', $variables);
451: push(@$libs, @$l) if defined $l;
452: }
1.13 espie 453: my $a = OpenBSD::PkgConfig->compress($libs,
1.11 espie 454: sub {
455: local $_ = shift;
1.13 espie 456: if (($mode{libs} & 2) && /^-L/ ||
1.11 espie 457: ($mode{libs} & 4) && !/^-[lL]/) {
458: return 1;
459: } else {
460: return 0;
1.4 espie 461: }
1.11 espie 462: });
1.32 jasper 463:
464: if (defined($variables->{pc_sysrootdir})){
1.36 jasper 465: $a =~ s/[\w]?-[lL]/$&$variables->{pc_sysrootdir}/g;
1.32 jasper 466: }
467:
1.13 espie 468: if ($mode{libs} & 1) {
469: my $b = OpenBSD::PkgConfig->rcompress($libs,
470: sub { shift =~ m/^-l/; });
471: return ($a, $b);
472: } else {
473: return $a;
474: }
1.1 ckuethe 475: }
476:
477: #list all packages
1.4 espie 478: sub do_list
479: {
1.1 ckuethe 480: my ($p, $x, $y, @files, $fname, $name);
1.20 espie 481: my $error = 0;
482:
1.33 jasper 483: foreach my $p (@PKGPATH) {
484: push(@files, <$p/*.pc>);
1.4 espie 485: }
1.1 ckuethe 486:
487: # Scan the lengths of the package names so I can make a format
488: # string to line the list up just like the real pkgconfig does.
489: $x = 0;
1.4 espie 490: foreach my $f (@files) {
491: $fname = basename($f, '.pc');
492: $y = length $fname;
1.1 ckuethe 493: $x = (($y > $x) ? $y : $x);
494: }
495: $x *= -1;
496:
1.4 espie 497: foreach my $f (@files) {
1.11 espie 498: my $cfg = get_config($f);
1.20 espie 499: if (!defined $cfg) {
500: print STDERR "Problem reading file $f\n";
501: $error = 1;
502: next;
503: }
1.4 espie 504: $fname = basename($f, '.pc');
1.33 jasper 505: printf("%${x}s %s - %s\n", $fname,
506: stringize($cfg->get_property('Name', $variables)),
1.21 simon 507: stringize($cfg->get_property('Description', $variables),
508: ' '));
1.1 ckuethe 509: }
1.20 espie 510: return $error;
1.1 ckuethe 511: }
512:
1.4 espie 513: sub help
514: {
1.1 ckuethe 515: print <<EOF
516: Usage: $0 [options]
517: --debug - turn on debugging output
518: --help - this message
519: --usage - this message
520: --list-all - show all packages that $0 can find
1.8 ckuethe 521: --version - print version of pkgconfig
522: --errors-to-stdout - direct error messages to stdout rather than stderr
523: --print-errors - print error messages in case of error
1.34 jasper 524: --print-provides - print all the modules the given package provides
525: --print-requires - print all the modules the given package requires
526: --print-requires-private - print all the private modules the given package requires
1.8 ckuethe 527: --silence-errors - don't print error messages in case of error
1.1 ckuethe 528: --atleast-pkgconfig-version [version] - require a certain version of pkgconfig
529: --cflags package [versionspec] [package [versionspec]]
530: --cflags-only-I - only output -Iincludepath flags
531: --cflags-only-other - only output flags that are not -I
1.11 espie 532: --define-variable=NAME=VALUE - define variables
1.1 ckuethe 533: --libs package [versionspec] [package [versionspec]]
534: --libs-only-l - only output -llib flags
535: --libs-only-L - only output -Llibpath flags
536: --libs-only-other - only output flags that are not -l or -L
537: --exists package [versionspec] [package [versionspec]]
538: --uninstalled - allow for uninstalled versions to be used
1.8 ckuethe 539: --static - adjust output for static linking
540: --atleast-version [version] - require a certain version of a package
541: --modversion [package] - query the version of a package
542: --variable var package - return the definition of <var> in <package>
1.1 ckuethe 543: EOF
544: ;
1.22 simon 545: exit 0;
1.1 ckuethe 546: }
547:
548: # do we meet/beat the version the caller requested?
1.4 espie 549: sub self_version
550: {
551: my ($v) = @_;
552: my (@a, @b);
553:
554: @a = split /\./, $v;
555: @b = split /\./, $version;
1.1 ckuethe 556:
1.4 espie 557: if (($b[0] >= $a[0]) && ($b[1] >= $a[1])) {
1.14 espie 558: return 0;
1.1 ckuethe 559: } else {
1.14 espie 560: return 1;
561: }
562: }
563:
564: sub compare
565: {
566: my ($a, $b) = @_;
567:
1.28 jasper 568: return 0 if ($a eq $b);
1.14 espie 569:
570: my @a = split /\./, $a;
571: my @b = split /\./, $b;
572:
573: while (@a && @b) { #so long as both lists have something
574: return 1 if $a[0] > $b[0];
575: return -1 if $a[0] < $b[0];
576: shift @a; shift @b;
577: }
578: return 1 if @a;
579: return -1 if @b;
580: return 0;
1.1 ckuethe 581: }
582:
583: # got a package meeting the requested specific version?
1.4 espie 584: sub versionmatch
585: {
1.14 espie 586: my ($cfg, $op, $want) = @_;
1.33 jasper 587:
1.1 ckuethe 588: # can't possibly match if we can't find the file
1.11 espie 589: return 0 if !defined $cfg;
590:
1.14 espie 591: my $inst = stringize($cfg->get_property('Version', $variables));
1.11 espie 592:
1.1 ckuethe 593: # can't possibly match if we can't find the version string
1.14 espie 594: return 0 if $inst eq '';
1.1 ckuethe 595:
1.14 espie 596: print "comparing $want (wanted) to $inst (installed)\n" if $D;
597: my $value = compare($inst, $want);
1.31 jasper 598: if ($op eq '>=') { return $value >= 0; }
599: elsif ($op eq '=') { return $value == 0; }
600: elsif ($op eq '!=') { return $value != 0; }
601: elsif ($op eq '<') { return $value < 0; }
602: elsif ($op eq '>') { return $value > 0; }
603: elsif ($op eq '<=') { return $value <= 0; }
1.13 espie 604: }
605:
606: sub mismatch
607: {
608: my ($p, $cfg, $op, $v) = @_;
609: print STDERR "Requested '$p $op $v' but version of ",
610: stringize($cfg->get_property('Name')), " is ",
611: stringize($cfg->get_property('Version')), "\n";
612: }
613:
614: sub simplify_and_reverse
615: {
616: my $reqlist = shift;
617: my $dejavu = {};
618: my $result = [];
619:
620: for my $item (@$reqlist) {
621: if (!$dejavu->{$item}) {
622: unshift @$result, $item;
623: $dejavu->{$item} = 1;
624: }
625: }
626: return $result;
1.30 jasper 627: }
628:
629: # retrieve and print Requires(.private)
630: sub print_requires
631: {
632: my ($p) = @_;
633:
634: my $cfg = cache_find_config($p);
635:
636: if (defined($cfg)) {
637: my $value;
638:
639: if (defined($mode{printrequires})) {
640: $value = $cfg->get_property('Requires', $variables);
641: } elsif (defined($mode{printrequiresprivate})) {
642: $value = $cfg->get_property('Requires.private', $variables);
643: } else {
644: print STDERR "Unknown mode for print_requires.\n" if $D;
645: return 1;
646: }
647:
648: if (defined($value)) {
649: print "$_\n" foreach (@$value);
650: return undef;
651: }
652: }
653:
654: $rc = 1;
1.35 espie 655: }
656:
657: sub beautify_list
658: {
659: return join(' ', map {"[$_]"} @_);
1.1 ckuethe 660: }
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