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config/gen/makefiles/languages.in is gone
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bschmalhofer committed Mar 21, 2009
1 parent 7a7d3de commit 5735de3
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186 changes: 178 additions & 8 deletions Configure.pl
@@ -1,17 +1,187 @@
# $Id$
# Copyright (C) 2009, The Perl Foundation.
#! perl

=head1 NAME
Configure.pl - a configure script for a high level language running on Parrot
=head1 SYNOPSIS
perl Configure.pl --help
perl Configure.pl
perl Configure.pl --parrot_config=<path_to_parrot>
perl Configure.pl --gen-parrot
=cut

use strict;
use warnings;
use 5.008;

my $build_dir = '../..';
my $hll = 'unlambda';
my $cmd = qq{$^X -Ilib tools/dev/reconfigure.pl --step=gen::languages --languages=$hll};
# core Perl 5 modules
use File::Spec ();

# Modules from CPAN
use File::Which ();

my %valid_options = (
'help' => 'Display configuration help',
'parrot-config' => 'Use configuration given by parrot_config binary',
'gen-parrot' => 'Automatically retrieve and build Parrot',
);


# Get any options from the command line
my %options = get_command_options();


# Print help if it's requested
if ($options{'help'}) {
print_help();
exit(0);
}


# Update/generate parrot build if needed
if ($options{'gen-parrot'}) {
system("$^X build/gen_parrot.pl");
}


# Get a list of parrot-configs to invoke.
my @parrot_config_exe = (
'parrot/parrot_config',
'../../parrot_config',
'parrot_config'
);
if ($options{'parrot-config'} && $options{'parrot-config'} ne '1') {
@parrot_config_exe = ($options{'parrot-config'});
}

# Get configuration information from parrot_config
my %config = read_parrot_config(@parrot_config_exe);
unless (%config) {
die <<"END";
Unable to locate parrot_config.
To automatically checkout (svn) and build a copy of parrot,
try re-running Configure.pl with the '--gen-parrot' option.
Or, use the '--parrot-config' option to explicitly specify
the location of parrot_config.
END
}

# Create the Makefile using the information we just got
create_files(
\%config,
{ 'build/templates/Makefile.in' => 'Makefile',
}
);

# Done.
done($config{'make'});


# Process command line arguments into a hash.
sub get_command_options {
my %options = ();
for my $arg (@ARGV) {
if ($arg =~ /^--(\w[-\w]*)(?:=(.*))?/ && $valid_options{$1}) {
my ($key, $value) = ($1, $2);
$value = 1 unless defined $value;
$options{$key} = $value;
next;
}
die qq/Invalid option "$arg". See "perl Configure.pl --help" for valid options.\n/;
}
%options;
}


sub read_parrot_config {
my @parrot_config_exe = @_;
my %config;
for my $exe (@parrot_config_exe) {
no warnings;
if (open my $parrot_config_fh, '-|', "$exe --dump") {
print "Reading configuration information from $exe\n";
while (<$parrot_config_fh>) {
if (/(\w+) => '(.*)'/) { $config{$1} = $2 }
}
close $parrot_config_fh;

if (%config) {
my $parrot_config_exe = File::Which::which($exe) if $exe eq 'parrot_config';
$parrot_config_exe ||= File::Spec->rel2abs($exe);
$parrot_config_exe ||= File::Spec->rel2abs("$exe$config{EXE}");
$parrot_config_exe ||= $exe;
$config{parrot_config_exe} = $parrot_config_exe;
last;
}
}
}

return %config;
}


# Generate a Makefile from a configuration
sub create_files {
my ($config, $setup) = @_;

while (my ($template_fn, $target_fn) = each %{$setup}) {
my $content;
{
open my $template_fh, '<', $template_fn or
die "Unable to read $template_fn.";
$content = join('', <$template_fh>);
close $template_fn;
}

$config->{'win32_libparrot_copy'} = $^O eq 'MSWin32' ? 'copy $(BUILD_DIR)\libparrot.dll .' : '';
$content =~ s/@(\w+)@/$config->{$1}/g;
if ($^O eq 'MSWin32') {
$content =~ s{/}{\\}g;
}

print "Creating $target_fn from $template_fn.\n";
{
open(my $target_fh, '>', $target_fn)
or die "Unable to write $target_fn\n";
print $target_fh $content;
close($target_fh);
}
}
}


sub done {
my ($make) = @_;
print <<"END";
You can now use '$make' to build unlambda.
After that, you can use '$make test' to run some local tests.
See 'docs/testing.pod' for how to run the PHP 5.3 testsuite.
END
exit 0;
}


# Print some help text.
sub print_help {
print <<'END';
Configure.pl - Rakudo Configure
General Options:
--help Show this text
--gen-parrot Download and build a copy of Parrot to use
--parrot-config=(config)
Use configuration information from config
print "Running '$cmd' in $build_dir\n";
chdir $build_dir;
`$cmd`
END
}

# Local Variables:
# mode: cperl
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1 change: 1 addition & 0 deletions build/PARROT_REVISION
@@ -0,0 +1 @@
37614
80 changes: 80 additions & 0 deletions build/gen_parrot.pl
@@ -0,0 +1,80 @@
#! perl
# Copyright (C) 2009 The Perl Foundation

=head1 TITLE
gen_parrot.pl - script to obtain and build Parrot for Rakudo
=head2 SYNOPSIS
perl gen_parrot.pl
=head2 DESCRIPTION
Maintains an appropriate copy of Parrot in the parrot/ subdirectory.
The revision of Parrot to be used in the build is given by the
build/PARROT_REVISION file.
=cut

use strict;
use warnings;
use 5.008;

# Work out slash character to use.
my $slash = $^O eq 'MSWin32' ? '\\' : '/';

## determine what revision of Parrot we require
open my $REQ, "build/PARROT_REVISION"
|| die "cannot open build/PARROT_REVISION\n";
my $required = <$REQ>; chomp $required;
close $REQ;

{
no warnings;
if (open my $REV, '-|', "parrot${slash}parrot_config revision") {
my $revision = <$REV>;
close $REV;
chomp $revision;
if ($revision >= $required) {
print "Parrot r$revision already available (r$required required)\n";
exit(0);
}
}
}

print "Checking out Parrot r$required via svn...\n";
system("svn checkout -r $required https://svn.parrot.org/parrot/trunk parrot");

chdir('parrot');


## If we have a Makefile from a previous build, do a 'make realclean'
if (-f 'Makefile') {
my %config = read_parrot_config();
my $make = $config{'make'};
if ($make) {
print "Performing '$make realclean'\n";
system("$make realclean");
}
}

## Configure Parrot
system("$^X Configure.pl");

my %config = read_parrot_config();
my $make = $config{'make'};

system($make);

sub read_parrot_config {
my %config = ();
if (open my $CFG, "config_lib.pasm") {
while (<$CFG>) {
if (/P0\["(.*?)"], "(.*?)"/) { $config{$1} = $2 }
}
close $CFG;
}
%config;
}

2 changes: 1 addition & 1 deletion config/makefiles/root.in → build/templates/Makefile.in
Expand Up @@ -33,7 +33,7 @@ help :
@echo " help: Print this help message."

# regenerate the Makefile
Makefile: config/makefiles/root.in
Makefile: build/templates/Makefile.in
$(PERL) Configure.pl

# Compilation:
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