X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=make%2Fcalcdep.pl;h=1a1963b3102c9ac5ff5c79c9179d47400d690238;hb=988784816b1a21b20da99a20c8ca02de793000fd;hp=2b6742be3d30720a9fe7423e43fa95ab409bd421;hpb=990e04bab51bf1c3771938b8f598272c1b31cdca;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/make/calcdep.pl b/make/calcdep.pl
index 2b6742be3..1a1963b31 100755
--- a/make/calcdep.pl
+++ b/make/calcdep.pl
@@ -1,23 +1,222 @@
 #!/usr/bin/perl
 use strict;
-BEGIN { push @INC, '..'; }
-use make::configure;
+use warnings;
+use POSIX qw(getcwd);
 
-my $file = shift;
+sub find_output;
+sub gendep($);
+sub dep_cpp($$);
+sub dep_dir($);
+sub run();
 
-$file =~ /(.*)\.cpp$/ or die "Cannot process $file";
-my $base = $1;
+my %f2dep;
 
-my $out = "$base.d";
+run;
+exit 0;
 
-open IN, '<', $file or die "Could not read $file: $!";
-open OUT, '>', $out or die "Could not write $out: $!";
+sub run() {
+	my $build = $ENV{BUILDPATH};
+	mkdir $build;
+	chdir $build or die "Could not open build directory: $!";
+	symlink "$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 modules obj/;
 
-my $cc_deps = qx($ENV{CC} $ENV{FLAGS} -MM $file);
-$cc_deps =~ s/.*?:\s*//;
+	$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 commands modules
+
+END
+	my(@core_deps, @cmdlist, @modlist);
+	for my $file (<*.cpp>, <modes/*.cpp>, <socketengines/*.cpp>, "threadengines/threadengine_pthread.cpp") {
+		my $out = find_output $file;
+		dep_cpp $file, $out;
+		next if $file =~ m#^socketengines/# && $file ne "socketengines/$ENV{SOCKETENGINE}.cpp";
+		push @core_deps, $out;
+	}
+
+	for my $file (<commands/*.cpp>) {
+		my $out = find_output $file;
+		dep_cpp $file, $out;
+		push @cmdlist, $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") {
+			mkdir "$build/obj/$file";
+			push @modlist, "modules/$file.so";
+		}
+		if ($file =~ /^m_.*\.cpp$/) {
+			my $out = find_output "modules/$file";
+			dep_cpp "modules/$file", $out;
+			push @modlist, $out;
+		}
+	}
+	
+	my $core_mk = join ' ', @core_deps;
+	my $cmds = join ' ', @cmdlist;
+	my $mods = join ' ', @modlist;
+	print MAKE <<END;
+
+bin/inspircd: $core_mk
+	\$(RUNCC) -o \$\@ \$(CORELDFLAGS) \$(LDLIBS) \$^ \$>
+
+inspircd: bin/inspircd
+
+commands: $cmds
+
+modules: $mods
+
+.PHONY: all bad-target inspircd commands 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;
+	for my $file (<*.cpp>, <modes/*.cpp>, <socketengines/*.cpp>, <commands/*.cpp>,
+			<modules/*.cpp>, <modules/m_*/*.cpp>, "threadengines/threadengine_pthread.cpp") {
+		my $out = find_output $file, 1;
+		dep_cpp $file, $out;
+		next if $file =~ m#^socketengines/# && $file ne "socketengines/$ENV{SOCKETENGINE}.cpp";
+		push @deps, $out;
+	}
+
+	my $core_mk = join ' ', @deps;
+	print MAKE <<END;
+
+bin/inspircd: $core_mk
+	\$(RUNCC) -o \$\@ \$(CORELDFLAGS) \$(LDLIBS) \$^ \$>
+
+inspircd: bin/inspircd
+
+.PHONY: all bad-target inspircd
+
+END
+}
+
+sub find_output {
+	my($file, $static) = @_;
+	my($path,$base) = $file =~ m#^((?:.*/)?)([^/]+)\.cpp# or die "Bad file $file";
+	if ($path eq 'modules/' || $path eq 'commands/') {
+		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_.*)/#) {
+		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;
+	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++;
+				$dep{$_}++ 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";
+			}
+		}
+	}
+	close $in;
+	$f2dep{$f} = join ' ', sort keys %dep;
+	$f2dep{$f};
+}
+
+sub dep_cpp($$) {
+	my($file, $out) = @_;
+	gendep $file;
+
+	print MAKE "$out: $file $f2dep{$file}\n";
+	print MAKE "\t@\$(SOURCEPATH)/make/unit-cc.pl \$(VERBOSE) \$\@ \$< \$>\n";
+}
+
+sub dep_dir($) {
+	my($dir) = @_;
+	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;
+		push @ofiles, $ofile;
+	}
+	closedir DIR;
+	if (@ofiles) {
+		my $ofiles = join ' ', @ofiles;
+		print MAKE "$dir.so: $ofiles\n\t\$(RUNCC) \$(PICLDFLAGS) -o \$\@ \$^ \$>\n";
+		return 1;
+	} else {
+		return 0;
+	}
+}
 
-my $ext = $file =~ m#(modules|commands)/# ? '.so' : '.o';
-print OUT "$base$ext: $cc_deps";
-print OUT "\t@../make/unit-cc.pl \$(VERBOSE) $file $base$ext\n";
-print OUT "$base.d: $cc_deps";
-print OUT "\t../make/calcdep.pl $file\n";