From e8dfff67a6db95dda5951585f74ce2e89f1ac1cf Mon Sep 17 00:00:00 2001 From: joey Date: Tue, 13 Feb 2001 17:31:33 +0000 Subject: r444: new dh_perl. Not yet released, since perl is not yet through incoming. --- dh_perl | 207 +++++++++++++++++++--------------------------------------------- 1 file changed, 60 insertions(+), 147 deletions(-) (limited to 'dh_perl') diff --git a/dh_perl b/dh_perl index d7755421..64cb362b 100755 --- a/dh_perl +++ b/dh_perl @@ -7,51 +7,41 @@ dh_perl - calculates perl scripts & modules dependencies =cut use strict; +use Config; +use File::Find; use Debian::Debhelper::Dh_Lib; =head1 SYNOPSIS - dh_perl [debhelper options] [-k] [-d] [library dirs ...] + dh_perl [debhelper options] [-d] [library dirs ...] =head1 DESCRIPTION dh_perl is a debhelper program that is responsible for generating the perl:Depends substitutions and adding them to substvars files. -The program will look for the location of installed modules and will -use this information to generate a dependency (at the present time -it can only be perl5, perl5-thread, perl-5.X or perl-5.X-thread). +The program will look at perl scripts and modules in your package, +and will use this information to generate a dependency. The dependancy will be substituted into your package's control file wherever you place the token "${perl:Depends}". -It will also look at #! lines of perl scripts in order to be able -to calculate a dependency for perl scripts and not only perl modules. - -In addition it will automatically remove .packlist file and will -remove the directory in which it was if it's empty. You can -switch off this option by passing -k. - =head1 OPTIONS =over 4 -=item B<-k> - -Keep .packlist files. - =item B<-d> -In some specific cases you may want to depend on a -base package -(ie perl-5.6-base or perl5-base). If so, you can pass -the -d option to make dh_perl generate a dependency on the correct base -package. This is only necessary for some packages that are included in the -base system. +In some specific cases you may want to depend on perl-base rather than the +full perl package. If so, you can pass the -d option to make dh_perl generate +a dependency on the correct base package. This is only necessary for some +packages that are included in the base system. =item I If your package installs perl modules in non-standard directories, you can make dh_perl check those directories by passing their -names on the command line. It will only check usr/lib/perl5 by default. +names on the command line. It will only check the vendorlib and vendorarch +directories by default. =back @@ -59,27 +49,14 @@ names on the command line. It will only check usr/lib/perl5 by default. Debian policy, version 3.0.1 -Perl policy, version 1.0 +Perl policy, version 1.15 =cut init(); -my $perlext = ''; -my $lib_dir = 'usr/lib/perl5'; - -# Figure out the version of perl. If $ENV{PERL} is set, query the perl binary -# it points to, otherwise query perl directly. -# -# This is pretty gawd-aweful ugly, because we need "5.00[45]" -# and "5.[6789]" to be returned depending on perl version. -my $version; -if (defined $ENV{PERL}) { - $version=`$ENV{PERL} -e '\$] < 5.006 ? printf "%.3f", \$] : printf "%vd", substr \$^V, 0, -1'`; -} -else { - $version=$] < 5.006 ? sprintf "%.3f", $] : sprintf "%vd", substr $^V, 0, -1; -} +my $vendorlib = substr $Config{vendorlib}, 1; +my $vendorarch = substr $Config{vendorarch}, 1; # Cleaning the paths given on the command line foreach (@ARGV) { @@ -87,74 +64,62 @@ foreach (@ARGV) { s#^/##; } -# If -d is given, then we'll try to depend on one of the perl-5.00X-base -# package instead of perl-5.00X -$perlext='-base' if ($dh{'D_FLAG'}); +my $perl = 'perl'; +# If -d is given, then the dependency is on perl-base rather than perl. +$perl .= '-base' if $dh{D_FLAG}; +my $version; -foreach my $package (@{$dh{DOPACKAGES}}) { - my $tmp=tmpdir($package); - my $ext=pkgext($package); +# dependency types +use constant PROGRAM => 1; +use constant PM_MODULE => 2; +use constant XS_MODULE => 4; - my ($file, $v, $arch); - my $dep_arch = ''; - my $dep = ''; - my $found = 0; +foreach my $package (@{$dh{DOPACKAGES}}) { + my $tmp = tmpdir($package); + my $ext = pkgext($package); # Check also for alternate locations given on the command line - my $dirs = ''; - foreach ($lib_dir, @ARGV) { - $dirs .= "$tmp/$_ " if (-d "$tmp/$_"); - } - my $re = '(?:' . join('|', ($lib_dir, @ARGV)) . ')'; + my @dirs = grep -d, map "$tmp/$_", $vendorlib, $vendorarch, @ARGV; # Look for perl modules and check where they are installed - if ($dirs) { - foreach $file (split(/\n/,`find $dirs -type f \\( -name "*.pm" -or -name "*.so" \\)`)) { - $found++; - if ($file =~ m<^$tmp/$re/(\d\.\d+)/([^/]+)/>) { - $v = $1; - $arch = $2; - check_module_version ($v, $version); - $v .= '-thread' if ($arch =~ /-thread/); - $dep_arch = add_deps ($dep_arch, "perl-$v"); - } elsif ($file =~ m<^$tmp/$re/(\d.\d+)/>) { - $v = $1; - check_module_version ($v, $version); - $dep_arch = add_deps ($dep_arch, "perl-$v"); + my $deps = 0; + find sub { + return unless -f; + $deps |= PM_MODULE if /\.pm$/; + $deps |= XS_MODULE if /\.so$/; + }, @dirs if @dirs; + + # find scripts + find sub { + return unless -f and (-x or /\.pl$/); + local *F; + return unless open F, $_; + if (read F, local $_, 32 and m%^#!\s*/usr/bin/perl\s%) + { + $deps |= PROGRAM; } - } - } - if ($found and not $dep_arch) { - $dep = "perl5$perlext"; - } elsif ($dep_arch) { - $dep = $dep_arch; - } + close F; + }, $tmp; - # Look for perl scripts - my ($ff, $newdep); - foreach $file (split(/\n/,`find $tmp -type f \\( -name "*.pl" -or -perm +111 \\)`)) { - $ff=`file -b $file`; - if ($ff =~ /perl/) { - $newdep = dep_from_script ($file); - $dep = add_deps ($dep, $newdep) if $newdep; - } - } + next unless $deps; - # Remove .packlist files and eventually some empty directories - if (not $dh{'K_FLAG'}) { - foreach $file (split(/\n/,`find $tmp -type f -name .packlist`)) - { - unlink($file); - # Get the directory name - while ($file =~ s#/[^/]+$##){ - last if (not -d $file); - last if (not rmdir $file); - } - } + my $perl_depends = $perl; + if ($deps & XS_MODULE or $dh{V_FLAG_SET}) + { + ($version) = `dpkg -p $perl` =~ /^Version:\s*(\S+)/m + unless $version; + + $perl_depends .= " (>= $version)"; } - next unless $dep; + # add perlapi- for XS modules + $perl_depends .= ", perlapi-$Config{version}" + if $deps & XS_MODULE; + + # don't need to depend on an un-versioned perl-base, it's + # essential + next if $perl_depends eq 'perl-base'; if (-e "debian/${ext}substvars") { open (IN, "debian/${ext}substvars"); } - print OUT "perl:Depends=$dep\n"; + print OUT "perl:Depends=$perl_depends\n"; close OUT; } -sub add_deps { - my ($dep, $new) = @_; - - # If the $new-base package can exist then add $perlext to $new - $new = "$new$perlext" if ($new =~ m/^(?:perl5|perl-\d\.\d+)$/); - - # If $new = perl5 or perl5-thread check if perl-X.XXX(-thread)? - # is not already in the dependencies - if ($new eq "perl5") { - return $dep if ($dep =~ m/(^|\s)perl-5\.\d+(\s|,|$)/); - } elsif ($new eq "perl5-thread") { - return $dep if ($dep =~ m/(^|\s)perl-5\.\d+-thread(\s|,|$)/); - } - - if (not $dep) { - $dep = $new; - } else { - $dep .= ", $new" unless ($dep =~ m/(^|\s)$new(\s|,|$)/); - } - - return $dep; -} - -sub check_module_version { - my ($v1, $v2) = @_; - unless ($v1 eq $v2) { - warning("A module has been found in perl-$v1 arch directory. But perl-$v2 is the perl currently used ...\n"); - } -} - -sub dep_from_script { - my $file = shift; - my ($line, $perl, $dep); - open (SCRIPT, "<$file") || die "Can't open $file: $!\n"; - $line =