Annotation of src/usr.bin/pkg-config/pkg-config, Revision 1.35
1.1 ckuethe 1: #!/usr/bin/perl
1.35 ! espie 2: # $OpenBSD: pkg-config,v 1.34 2011/03/14 08:43:59 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 (!$@) {
297: return $cfg;
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: }
315: }
316:
1.35 ! espie 317: # pkg-config won't install a pkg-config.pc file itself, but it may be
! 318:
! 319: # listed as a dependency in other files.
! 320: # so, prime the cache with self
! 321: sub setup_self
! 322: {
! 323: my $pkg_pc = OpenBSD::PkgConfig->new;
! 324: $pkg_pc->add_property('Version', $version);
! 325: $configs{'pkg-config'} = $pkg_pc;
! 326: }
! 327:
1.11 espie 328: sub find_config
329: {
330: my ($p) = @_;
331: my $f = pathresolve($p);
332: if (defined $f) {
333: return get_config($f);
334: }
1.13 espie 335: if ($mode{printerr}) {
1.33 jasper 336: print STDERR
1.13 espie 337: "Package $p was not found in the pkg-config search path\n";
338: }
1.11 espie 339: return undef;
340: }
1.1 ckuethe 341:
1.11 espie 342: sub stringize
1.4 espie 343: {
1.11 espie 344: my $list = shift;
1.21 simon 345: my $sep = shift || ',';
1.4 espie 346:
1.11 espie 347: if (defined $list) {
1.21 simon 348: return join($sep, @$list)
1.11 espie 349: } else {
350: return '';
1.1 ckuethe 351: }
352: }
353:
354: #if the variable option is set, pull out the named variable
1.4 espie 355: sub do_variable
356: {
1.11 espie 357: my ($p, $v) = @_;
1.1 ckuethe 358:
1.13 espie 359: my $cfg = cache_find_config($p);
360:
361: if (defined $cfg) {
1.11 espie 362: my $value = $cfg->get_variable($v, $variables);
363: if (defined $value) {
1.13 espie 364: push(@vlist, $value);
1.11 espie 365: }
1.19 espie 366: return undef;
1.11 espie 367: }
1.19 espie 368: $rc = 1;
1.1 ckuethe 369: }
370:
1.30 jasper 371: #if the modversion or print-provides options are set,
372: #pull out the compiler flags
1.4 espie 373: sub do_modversion
374: {
1.11 espie 375: my ($p) = @_;
1.1 ckuethe 376:
1.13 espie 377: my $cfg = cache_find_config($p);
378:
379: if (defined $cfg) {
1.11 espie 380: my $value = $cfg->get_property('Version', $variables);
381: if (defined $value) {
1.30 jasper 382: if (!defined($mode{printprovides})){
383: print stringize($value), "\n";
384: return undef;
385: } else {
386: print "$p = " . stringize($value) . "\n";
387: return undef;
388: }
1.11 espie 389: }
390: }
1.13 espie 391: $rc = 1;
1.1 ckuethe 392: }
393:
394: #if the cflags option is set, pull out the compiler flags
1.4 espie 395: sub do_cflags
396: {
1.14 espie 397: my $list = shift;
398:
1.11 espie 399: my $cflags = [];
1.1 ckuethe 400:
1.14 espie 401: foreach my $pkg (@$list) {
1.11 espie 402: my $l = $configs{$pkg}->get_property('Cflags', $variables);
403: push(@$cflags, @$l) if defined $l;
404: }
1.32 jasper 405: my $a = OpenBSD::PkgConfig->compress($cflags,
1.11 espie 406: sub {
407: local $_ = shift;
408: if (($mode{cflags} & 1) && /^-I/ ||
409: ($mode{cflags} & 2) && !/^-I/) {
410: return 1;
411: } else {
412: return 0;
1.4 espie 413: }
1.11 espie 414: });
1.32 jasper 415: if (defined($a) && defined($variables->{pc_sysrootdir})){
416: $a =~ s/^-I/$&$variables->{pc_sysrootdir}/g;
417: }
418:
419: return $a;
1.1 ckuethe 420: }
421:
422: #if the lib option is set, pull out the linker flags
1.4 espie 423: sub do_libs
424: {
1.14 espie 425: my $list = shift;
426:
1.11 espie 427: my $libs = [];
1.1 ckuethe 428:
1.14 espie 429: foreach my $pkg (@$list) {
1.11 espie 430: my $l = $configs{$pkg}->get_property('Libs', $variables);
431: push(@$libs, @$l) if defined $l;
432: }
1.13 espie 433: my $a = OpenBSD::PkgConfig->compress($libs,
1.11 espie 434: sub {
435: local $_ = shift;
1.13 espie 436: if (($mode{libs} & 2) && /^-L/ ||
1.11 espie 437: ($mode{libs} & 4) && !/^-[lL]/) {
438: return 1;
439: } else {
440: return 0;
1.4 espie 441: }
1.11 espie 442: });
1.32 jasper 443:
444: if (defined($variables->{pc_sysrootdir})){
445: $a =~ s/^-[lL]/$&$variables->{pc_sysrootdir}/g;
446: }
447:
1.13 espie 448: if ($mode{libs} & 1) {
449: my $b = OpenBSD::PkgConfig->rcompress($libs,
450: sub { shift =~ m/^-l/; });
451: return ($a, $b);
452: } else {
453: return $a;
454: }
1.1 ckuethe 455: }
456:
457: #list all packages
1.4 espie 458: sub do_list
459: {
1.1 ckuethe 460: my ($p, $x, $y, @files, $fname, $name);
1.20 espie 461: my $error = 0;
462:
1.33 jasper 463: foreach my $p (@PKGPATH) {
464: push(@files, <$p/*.pc>);
1.4 espie 465: }
1.1 ckuethe 466:
467: # Scan the lengths of the package names so I can make a format
468: # string to line the list up just like the real pkgconfig does.
469: $x = 0;
1.4 espie 470: foreach my $f (@files) {
471: $fname = basename($f, '.pc');
472: $y = length $fname;
1.1 ckuethe 473: $x = (($y > $x) ? $y : $x);
474: }
475: $x *= -1;
476:
1.4 espie 477: foreach my $f (@files) {
1.11 espie 478: my $cfg = get_config($f);
1.20 espie 479: if (!defined $cfg) {
480: print STDERR "Problem reading file $f\n";
481: $error = 1;
482: next;
483: }
1.4 espie 484: $fname = basename($f, '.pc');
1.33 jasper 485: printf("%${x}s %s - %s\n", $fname,
486: stringize($cfg->get_property('Name', $variables)),
1.21 simon 487: stringize($cfg->get_property('Description', $variables),
488: ' '));
1.1 ckuethe 489: }
1.20 espie 490: return $error;
1.1 ckuethe 491: }
492:
1.4 espie 493: sub help
494: {
1.1 ckuethe 495: print <<EOF
496: Usage: $0 [options]
497: --debug - turn on debugging output
498: --help - this message
499: --usage - this message
500: --list-all - show all packages that $0 can find
1.8 ckuethe 501: --version - print version of pkgconfig
502: --errors-to-stdout - direct error messages to stdout rather than stderr
503: --print-errors - print error messages in case of error
1.34 jasper 504: --print-provides - print all the modules the given package provides
505: --print-requires - print all the modules the given package requires
506: --print-requires-private - print all the private modules the given package requires
1.8 ckuethe 507: --silence-errors - don't print error messages in case of error
1.1 ckuethe 508: --atleast-pkgconfig-version [version] - require a certain version of pkgconfig
509: --cflags package [versionspec] [package [versionspec]]
510: --cflags-only-I - only output -Iincludepath flags
511: --cflags-only-other - only output flags that are not -I
1.11 espie 512: --define-variable=NAME=VALUE - define variables
1.1 ckuethe 513: --libs package [versionspec] [package [versionspec]]
514: --libs-only-l - only output -llib flags
515: --libs-only-L - only output -Llibpath flags
516: --libs-only-other - only output flags that are not -l or -L
517: --exists package [versionspec] [package [versionspec]]
518: --uninstalled - allow for uninstalled versions to be used
1.8 ckuethe 519: --static - adjust output for static linking
520: --atleast-version [version] - require a certain version of a package
521: --modversion [package] - query the version of a package
522: --variable var package - return the definition of <var> in <package>
1.1 ckuethe 523: EOF
524: ;
1.22 simon 525: exit 0;
1.1 ckuethe 526: }
527:
528: # do we meet/beat the version the caller requested?
1.4 espie 529: sub self_version
530: {
531: my ($v) = @_;
532: my (@a, @b);
533:
534: @a = split /\./, $v;
535: @b = split /\./, $version;
1.1 ckuethe 536:
1.4 espie 537: if (($b[0] >= $a[0]) && ($b[1] >= $a[1])) {
1.14 espie 538: return 0;
1.1 ckuethe 539: } else {
1.14 espie 540: return 1;
541: }
542: }
543:
544: sub compare
545: {
546: my ($a, $b) = @_;
547:
1.28 jasper 548: return 0 if ($a eq $b);
1.14 espie 549:
550: my @a = split /\./, $a;
551: my @b = split /\./, $b;
552:
553: while (@a && @b) { #so long as both lists have something
554: return 1 if $a[0] > $b[0];
555: return -1 if $a[0] < $b[0];
556: shift @a; shift @b;
557: }
558: return 1 if @a;
559: return -1 if @b;
560: return 0;
1.1 ckuethe 561: }
562:
563: # got a package meeting the requested specific version?
1.4 espie 564: sub versionmatch
565: {
1.14 espie 566: my ($cfg, $op, $want) = @_;
1.33 jasper 567:
1.1 ckuethe 568: # can't possibly match if we can't find the file
1.11 espie 569: return 0 if !defined $cfg;
570:
1.14 espie 571: my $inst = stringize($cfg->get_property('Version', $variables));
1.11 espie 572:
1.1 ckuethe 573: # can't possibly match if we can't find the version string
1.14 espie 574: return 0 if $inst eq '';
1.1 ckuethe 575:
1.14 espie 576: print "comparing $want (wanted) to $inst (installed)\n" if $D;
577: my $value = compare($inst, $want);
1.31 jasper 578: if ($op eq '>=') { return $value >= 0; }
579: elsif ($op eq '=') { return $value == 0; }
580: elsif ($op eq '!=') { return $value != 0; }
581: elsif ($op eq '<') { return $value < 0; }
582: elsif ($op eq '>') { return $value > 0; }
583: elsif ($op eq '<=') { return $value <= 0; }
1.13 espie 584: }
585:
586: sub mismatch
587: {
588: my ($p, $cfg, $op, $v) = @_;
589: print STDERR "Requested '$p $op $v' but version of ",
590: stringize($cfg->get_property('Name')), " is ",
591: stringize($cfg->get_property('Version')), "\n";
592: }
593:
594: sub simplify_and_reverse
595: {
596: my $reqlist = shift;
597: my $dejavu = {};
598: my $result = [];
599:
600: for my $item (@$reqlist) {
601: if (!$dejavu->{$item}) {
602: unshift @$result, $item;
603: $dejavu->{$item} = 1;
604: }
605: }
606: return $result;
1.30 jasper 607: }
608:
609: # retrieve and print Requires(.private)
610: sub print_requires
611: {
612: my ($p) = @_;
613:
614: my $cfg = cache_find_config($p);
615:
616: if (defined($cfg)) {
617: my $value;
618:
619: if (defined($mode{printrequires})) {
620: $value = $cfg->get_property('Requires', $variables);
621: } elsif (defined($mode{printrequiresprivate})) {
622: $value = $cfg->get_property('Requires.private', $variables);
623: } else {
624: print STDERR "Unknown mode for print_requires.\n" if $D;
625: return 1;
626: }
627:
628: if (defined($value)) {
629: print "$_\n" foreach (@$value);
630: return undef;
631: }
632: }
633:
634: $rc = 1;
1.35 ! espie 635: }
! 636:
! 637: sub beautify_list
! 638: {
! 639: return join(' ', map {"[$_]"} @_);
1.1 ckuethe 640: }
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