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#!/usr/bin/perl
use strict;
use warnings;
use Getopt::Long;
my %f2dep;
sub gendep;
sub gendep {
my $f = shift;
my $basedir = $f =~ m#(.*)/# ? $1 : '.';
return $f2dep{$f} if exists $f2dep{$f};
$f2dep{$f} = '';
my %dep;
my $link = readlink $f;
if (defined $link) {
$link = "$basedir/$link" unless $link =~ m#^/#;
$dep{$link}++;
}
open my $in, '<', $f or die "Could not read $f";
while (<$in>) {
if (/^\s*#\s*include\s*"([^"]+)"/) {
my $inc = $1;
next if $inc eq 'inspircd_version.h' && $f eq '../include/inspircd.h';
my $found = 0;
for my $loc ("$basedir/$inc", "../include/$inc") {
next unless -e $loc;
$found++;
$dep{$loc}++;
$dep{$_}++ for split / /, gendep $loc;
}
if ($found == 0 && $inc ne 'inspircd_win32wrapper.h') {
print STDERR "WARNING: could not find header $inc for $f\n";
} elsif ($found > 1 && $basedir ne '../include') {
print STDERR "WARNING: ambiguous include $inc in $f\n";
}
}
}
close $in;
$f2dep{$f} = join ' ', sort keys %dep;
$f2dep{$f};
}
sub dep_cpp {
my $file = shift;
gendep $file;
my($path,$base) = $file =~ m#^((?:.*/)?)([^/]+)\.cpp# or die "Bad file $file";
my $cmd = "$path.$base.d";
my $ext = $path eq 'modules/' || $path eq 'commands/' ? '.so' : '.o';
my $out = "$path$base$ext";
open OUT, '>', $cmd;
print OUT "$out: $file $f2dep{$file}\n";
print OUT "\t@../make/unit-cc.pl \$(VERBOSE) $file $out\n";
print OUT "$cmd: $file $f2dep{$file}\n";
print OUT "\t../make/calcdep.pl -file $file\n";
}
sub dep_dir {
my $dir = shift;
if ($dir =~ m#^(.*?)([^/]+)/?$#) {
my($path,$base) = ($1,$2);
my $cmd = "$path.$base.d";
my $out = "$path$base.so";
opendir DIR, $dir;
my $ofiles = join ' ', grep s/(.*)\.cpp$/$path$base\/$1.o/, readdir DIR;
closedir DIR;
open OUT, '>', $cmd;
print OUT "$out: $ofiles\n\t".'$(RUNCC) $(PICLDFLAGS) -o $@ '
.$ofiles."\n";
print OUT "$cmd: $dir\n\t".'@../make/calcdep.pl -file '."$path$base\n";
} else {
print STDERR "Cannot generate depencency for $dir\n";
exit 1;
}
}
my($all,$quiet, $file);
GetOptions(
'all' => \$all,
'quiet' => \$quiet,
'file=s' => \$file,
);
if (!$all && !defined $file) {
print "Use: $0 {-all|-file filename} [-quiet]\n";
exit 1;
}
if (defined $file) {
if (-f $file) {
dep_cpp $file;
} elsif (-d $file) {
dep_dir $file;
} else {
print STDERR "Can't generate dependencies for $file\n";
exit 1;
}
} else {
my @files = (<*.cpp>, <commands/*.cpp>, <modes/*.cpp>, <modules/*.cpp>, <modules/m_*/*.cpp>);
push @files, "socketengines/$ENV{SOCKETENGINE}.cpp", "threadengines/threadengine_pthread.cpp";
for my $file (@files) {
dep_cpp $file;
}
my @dirs = grep -d, <modules/m_*>;
for my $dir (@dirs) {
dep_dir $dir;
}
s#([^/]+)\.cpp#.$1.d# for @files;
s#([^/]+)/?$#.$1.d# for @dirs;
print join ' ', @files, @dirs;
}
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