-#!/usr/bin/perl
+#!/usr/bin/env perl
+
+#
+# InspIRCd -- Internet Relay Chat Daemon
+#
+# Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+#
+# This file is part of InspIRCd. InspIRCd is free software: you can
+# redistribute it and/or modify it under the terms of the GNU General Public
+# License as published by the Free Software Foundation, version 2.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+
use strict;
use warnings;
+use POSIX qw(getcwd);
-# This used to be a wrapper around cc -M; however, this is a very slow
-# operation and we don't conditionally include our own files often enough
-# to justify the full preprocesor invocation for all ~200 files.
+sub find_output;
+sub gendep($);
+sub dep_cpp($$$);
+sub dep_so($);
+sub dep_dir($$);
+sub run();
my %f2dep;
-sub gendep;
-sub gendep {
+run;
+exit 0;
+
+sub run() {
+ my $build = $ENV{BUILDPATH};
+ mkdir $build;
+ chdir $build or die "Could not open build directory: $!";
+ unlink 'include';
+ symlink "$ENV{SOURCEPATH}/include", 'include';
+ mkdir $_ for qw/bin modules obj/;
+# BSD make has a horribly annoying bug resulting in an extra chdir of the make process
+# Create symlinks to work around it
+ symlink "../$_", "obj/$_" for qw/bin coremods modules obj/;
+
+ $build = getcwd();
+ open MAKE, '>real.mk' or die "Could not write real.mk: $!";
+ chdir "$ENV{SOURCEPATH}/src";
+
+ if ($ENV{PURE_STATIC}) {
+ run_static();
+ } else {
+ run_dynamic();
+ }
+ close MAKE;
+}
+
+sub run_dynamic() {
+ my $build = $ENV{BUILDPATH};
+ print MAKE <<END;
+# DO NOT EDIT THIS FILE
+# It is autogenerated by make/calcdep.pl, and will be overwritten
+# every time you rerun make in the main directory
+VPATH = \$(SOURCEPATH)/src
+
+bad-target:
+ \@echo "This Makefile must be run by a sub-make from the source"
+ \@echo "in order to set the correct environment variables"
+ \@exit 1
+
+all: inspircd coremods modules
+
+END
+ my(@core_deps, @cmodlist, @modlist);
+ for my $file (<*.cpp>, <modes/*.cpp>, <socketengines/*.cpp>, "threadengines/threadengine_pthread.cpp") {
+ my $out = find_output $file;
+ dep_cpp $file, $out, 'gen-o';
+ next if $file =~ m#^socketengines/# && $file ne "socketengines/socketengine_$ENV{SOCKETENGINE}.cpp";
+ push @core_deps, $out;
+ }
+
+ opendir my $coremoddir, 'coremods';
+ for my $file (sort readdir $coremoddir) {
+ next if $file =~ /^\./;
+ if ($file =~ /^core_/ && -d "coremods/$file" && dep_dir "coremods/$file", "modules/$file") {
+ mkdir "$build/obj/$file";
+ push @cmodlist, "modules/$file.so";
+ }
+ if ($file =~ /^core_.*\.cpp$/) {
+ my $out = dep_so "coremods/$file";
+ push @cmodlist, $out;
+ }
+ }
+
+ opendir my $moddir, 'modules';
+ for my $file (sort readdir $moddir) {
+ next if $file =~ /^\./;
+ if (-e "modules/extra/$file" && !-l "modules/$file") {
+ # Incorrect symlink?
+ print "Replacing symlink for $file found in modules/extra\n";
+ rename "modules/$file", "modules/$file~";
+ symlink "extra/$file", "modules/$file";
+ }
+ if ($file =~ /^m_/ && -d "modules/$file" && dep_dir "modules/$file", "modules/$file") {
+ mkdir "$build/obj/$file";
+ push @modlist, "modules/$file.so";
+ }
+ if ($file =~ /^m_.*\.cpp$/) {
+ my $out = dep_so "modules/$file";
+ push @modlist, $out;
+ }
+ }
+
+ my $core_mk = join ' ', @core_deps;
+ my $cmods = join ' ', @cmodlist;
+ my $mods = join ' ', @modlist;
+ print MAKE <<END;
+
+bin/inspircd: $core_mk
+ @\$(SOURCEPATH)/make/unit-cc.pl core-ld\$(VERBOSE) \$\@ \$^ \$>
+
+inspircd: bin/inspircd
+
+coremods: $cmods
+
+modules: $mods
+
+.PHONY: all bad-target inspircd coremods modules
+
+END
+}
+
+sub run_static() {
+ print MAKE <<END;
+# DO NOT EDIT THIS FILE
+# It is autogenerated by make/calcdep.pl, and will be overwritten
+# every time you rerun make in the main directory
+VPATH = \$(SOURCEPATH)/src
+
+bad-target:
+ \@echo "This Makefile must be run by a sub-make from the source"
+ \@echo "in order to set the correct environment variables"
+ \@exit 1
+
+all: inspircd
+
+END
+ my(@deps, @srcs);
+ for my $file (<*.cpp>, <modes/*.cpp>, <socketengines/*.cpp>, <coremods/*.cpp>, <coremods/core_*/*.cpp>,
+ <modules/*.cpp>, <modules/m_*/*.cpp>, "threadengines/threadengine_pthread.cpp") {
+ my $out = find_output $file, 1;
+ if ($out =~ m#obj/([^/]+)/[^/]+.o$#) {
+ mkdir "$ENV{BUILDPATH}/obj/$1";
+ }
+ dep_cpp $file, $out, 'gen-o';
+ next if $file =~ m#^socketengines/# && $file ne "socketengines/socketengine_$ENV{SOCKETENGINE}.cpp";
+ push @deps, $out;
+ push @srcs, $file;
+ }
+
+ my $core_mk = join ' ', @deps;
+ my $core_src = join ' ', @srcs;
+ print MAKE <<END;
+
+obj/ld-extra.cmd: $core_src
+ \@\$(SOURCEPATH)/make/unit-cc.pl gen-ld\$(VERBOSE) \$\@ \$^ \$>
+
+bin/inspircd: obj/ld-extra.cmd $core_mk
+ \@\$(SOURCEPATH)/make/unit-cc.pl static-ld\$(VERBOSE) \$\@ \$^ \$>
+
+inspircd: bin/inspircd
+
+.PHONY: all bad-target inspircd
+
+END
+}
+
+sub find_output {
+ my($file, $static) = @_;
+ my($path,$base) = $file =~ m#^((?:.*/)?)([^/]+)\.cpp# or die "Bad file $file";
+ if ($path eq 'modules/' || $path eq 'coremods/') {
+ return $static ? "obj/$base.o" : "modules/$base.so";
+ } elsif ($path eq '' || $path eq 'modes/' || $path =~ /^[a-z]+engines\/$/) {
+ return "obj/$base.o";
+ } elsif ($path =~ m#modules/(m_.*)/# || $path =~ m#coremods/(core_.*)/#) {
+ return "obj/$1/$base.o";
+ } else {
+ die "Can't determine output for $file";
+ }
+}
+
+sub gendep($) {
my $f = shift;
my $basedir = $f =~ m#(.*)/# ? $1 : '.';
return $f2dep{$f} if exists $f2dep{$f};
$f2dep{$f} = '';
my %dep;
- open my $in, '<', $f;
+ 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 'config.h' && $f eq '../include/inspircd.h';
+ my $found = 0;
for my $loc ("$basedir/$inc", "../include/$inc") {
next unless -e $loc;
- $dep{$loc}++;
+ $found++;
$dep{$_}++ for split / /, gendep $loc;
+ $loc =~ s#^\.\./##;
+ $dep{$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";
}
}
}
$f2dep{$f};
}
-for my $file (@ARGV) {
- next unless $file =~ /cpp$/;
+sub dep_cpp($$$) {
+ my($file, $out, $type) = @_;
gendep $file;
- my($path,$base) = $file =~ m#^((?:.*/)?)([^/]+)\.cpp#;
- my $cmd = "$path.$base.d";
- my $ext = $path eq 'modules/' || $path eq 'commands/' ? '.so' : '.o';
- my $out = "$path$base$ext";
- open OUT, '>', $cmd;
- print OUT "$out: $file $f2dep{$file}\n";
- print OUT "\t@../make/unit-cc.pl \$(VERBOSE) $file $out\n";
- print OUT "$cmd: $file $f2dep{$file}\n";
- print OUT "\t../make/calcdep.pl $file\n";
+ print MAKE "$out: $file $f2dep{$file}\n";
+ print MAKE "\t@\$(SOURCEPATH)/make/unit-cc.pl $type\$(VERBOSE) \$\@ \$(SOURCEPATH)/src/$file \$>\n";
+}
+
+sub dep_so($) {
+ my($file) = @_;
+ my $out = find_output $file;
+
+ dep_cpp $file, $out, 'gen-so';
+ return $out;
}
+
+sub dep_dir($$) {
+ my($dir, $outdir) = @_;
+ my @ofiles;
+ opendir DIR, $dir;
+ for my $file (sort readdir DIR) {
+ next unless $file =~ /(.*)\.cpp$/;
+ my $ofile = find_output "$dir/$file";
+ dep_cpp "$dir/$file", $ofile, 'gen-o';
+ push @ofiles, $ofile;
+ }
+ closedir DIR;
+ if (@ofiles) {
+ my $ofiles = join ' ', @ofiles;
+ print MAKE "$outdir.so: $ofiles\n";
+ print MAKE "\t@\$(SOURCEPATH)/make/unit-cc.pl link-dir\$(VERBOSE) \$\@ \$^ \$>\n";
+ return 1;
+ } else {
+ return 0;
+ }
+}
+