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defaults.pm
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defaults.pm
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# Copyright (C) 2001-2011, Parrot Foundation.
=head1 NAME
config/init/defaults.pm - Configuration Defaults
=head1 DESCRIPTION
Sets up the configuration system's default values and data structures.
=cut
package init::defaults;
use strict;
use warnings;
use base qw(Parrot::Configure::Step);
use Config;
use File::Which;
use FindBin; # see build_dir
use Parrot::BuildUtil;
use Parrot::Configure::Step;
use Parrot::Harness::DefaultTests ();
use Cwd qw(abs_path);
use File::Spec;
sub _init {
my $self = shift;
my %data;
$data{description} = q{Set Configure's default values};
$data{result} = q{};
return \%data;
}
my $parrot_version = Parrot::BuildUtil::parrot_version();
my @parrot_version = Parrot::BuildUtil::parrot_version();
sub runstep {
my ( $self, $conf ) = @_;
# Later configuration steps need access to values from the Perl 5
# %Config. However, other later configuration steps may change
# the corresponding values in the Parrot::Configure object. In
# order to provide access to the original values from Perl 5
# %Config, we grab those settings we need now and store them in
# special keys within the Parrot::Configure object. We label these keys
# '_provisional' to alert users that these should only be used during
# configuration and testing of configuration steps. They should not be
# used during Parrot's build, nor should they be used in 'make test'.
#
# This is a multi-stage process.
# Stage 1:
foreach my $orig ( qw|
archname
ccflags
d_socklen_t
optimize
osvers
scriptdirexp
sig_name
sPRIgldbl
| ) {
$conf->data->set( qq|${orig}_provisional| => $Config{$orig} );
}
# Stage 2 (anticipating needs of config/auto/headers.pm):
$conf->data->set_p5(
map { $_ => $Config{$_} } grep { /^i_/ } keys %Config
);
# Stage 3 (Along similar lines, look up values from Perl 5 special
# variables and stash them for later lookups. Name them according
# to their 'use English' names as documented in 'perlvar'.)
$conf->data->set( OSNAME_provisional => $^O );
my $ccdlflags = $Config{ccdlflags};
$ccdlflags =~ s/\s*-Wl,-rpath,\S*//g if $conf->options->get('disable-rpath');
my $build_dir = abs_path($FindBin::Bin);
my $cc_option = $conf->options->get('cc');
# We need a Glossary somewhere!
$conf->data->set(
debugging => $conf->options->get('debugging') ? 1 : 0,
optimize => '',
verbose => $conf->options->get('verbose'),
build_dir => $build_dir,
configured_from_file =>
$conf->options->get('configured_from_file') || '',
configuration_steps => ( join q{ } => $conf->get_list_of_steps() ),
# Compiler -- used to turn .c files into object files.
# (Usually cc or cl, or something like that.)
cc => $cc_option ? $cc_option : $Config{cc},
# If we specify a compiler, we can't use existing ccflags.
ccflags => $cc_option ? '' : $Config{ccflags},
ccwarn => '',
# Flags used to indicate this object file is to be compiled
# with position-independent code suitable for dynamic loading.
cc_shared => $Config{cccdlflags}, # e.g. -fpic for GNU cc.
# C++ compiler -- used to compile parts of ICU. ICU's configure
# will try to find a suitable compiler, but it prefers GNU c++ over
# a system c++, which might not be appropriate. This setting
# allows you to override ICU's guess, but is otherwise currently
# unset. Ultimately, it should be set to whatever ICU figures
# out, or parrot should look for it and always tell ICU what to
# use.
cxx => 'c++',
# Linker, used to link object files (plus libraries) into
# an executable. It is usually $cc on Unix-ish systems.
# VMS and Win32 might use "Link".
# Perl5's Configure doesn't distinguish linking from loading, so
# make a reasonable guess at defaults.
link => $Config{cc},
linkflags => $Config{ldflags},
# Linker Flags to have this binary work with the shared and dynamically
# loadable libraries we're building. On HP-UX, for example, we need to
# allow dynamic libraries to access the binary's symbols
link_dynamic => $ccdlflags, # e.g. -Wl,-E on HP-UX
# ld: Tool used to build shared libraries and dynamically loadable
# modules. Often $cc on Unix-ish systems, but apparently sometimes
# it's ld.
ld => $Config{ld},
ldflags => $Config{ldflags},
# Some operating systems (e.g. Darwin) distinguish between shared
# libraries and modules that can be dynamically loaded. Flags to tell
# ld to build a shared library, e.g. -shared for GNU ld.
ld_share_flags => $Config{lddlflags},
# Flags to tell ld to build a dynamically loadable module, e.g.
# -shared for GNU ld.
ld_load_flags => $Config{lddlflags},
libs => $Config{libs},
cc_inc => "-I./include -I./include/pmc",
cc_debug => '-g',
link_debug => '',
o => $Config{_o}, # object files extension
share_ext => ".$Config{so}", # shared library extension
# dynamically loadable module extension
load_ext => ".$Config{so}",
a => $Config{_a}, # library or archive extension
exe => $Config{_exe}, # executable files extension
cc_o_out => '-o ', # cc object output file
# cc executable output file (different on Win32)
cc_exe_out => '-o ',
# prefix for ldflags (necessary for Win32)
cc_ldflags => '',
# ld output file. Keep the trailing space.
ld_out => '-o ',
# include debug info in executable
ld_debug => '',
# Way to decorate a function to mark it as an exportable or
# importable symbol.
sym_export => '',
sym_import => '',
# Library build directory
blib_dir => 'blib/lib',
# libparrot library names
libparrot_static => 'libparrot' . $Config{_a},
libparrot_shared => 'libparrot.' . $Config{so},
# does the system know about static/dynamic linking?
has_static_linking => 1,
has_dynamic_linking => 0,
# default behaviour for linking parrot to a static or shared libparrot
parrot_is_shared => 0,
#avoid a warning during Configure.pl
libparrot_soname => '',
perl => $^X,
test_prog => 'parrot',
# some utilities in Makefile
cat => '$(PERL) -MExtUtils::Command -e cat',
chmod => '$(PERL) -MExtUtils::Command -e chmod',
cp => '$(PERL) -MExtUtils::Command -e cp',
mkpath => '$(PERL) -MExtUtils::Command -e mkpath',
mv => '$(PERL) -MExtUtils::Command -e mv',
rm_f => '$(PERL) -MExtUtils::Command -e rm_f',
rm_rf => '$(PERL) -MExtUtils::Command -e rm_rf',
touch => '$(PERL) -MExtUtils::Command -e touch',
# tar is currently used only in 'make release'.
tar => which('tar') || '',
ar => $Config{ar},
arflags => 'cr',
# for Win32
ar_out => '',
# for Borland C
ar_extra => '',
ranlib => $Config{ranlib},
rpath => '',
make => $Config{make},
make_set_make => $Config{make_set_make},
make_and => '&&',
# make_c: Command to emulate GNU make's C<-C directory> option: chdir
# to C<directory> before executing $(MAKE)
make_c => '$(PERL) -e \'chdir shift @ARGV; system q{$(MAKE)}, @ARGV; exit $$? >> 8;\'',
# if platform has a .s file that needs to be assembled
platform_asm => 0,
as => 'as', # assembler
lns => $Config{lns}, # soft link
slash => '/',
VERSION => $parrot_version,
MAJOR => $parrot_version[0],
MINOR => $parrot_version[1],
PATCH => $parrot_version[2],
DEVEL => ( -e 'DEVELOPING' ? '-devel' : '' ),
configdate => scalar gmtime() . " GMT",
PQ => "'",
dquote => "\\\"",
# yacc = Automatic parser generator
# lex = Automatic lexer generator
# Some systems may lack these
yacc => 'bison -v -y',
lex => 'flex',
# Extra flags needed for libnci_test.so
ncilib_link_extra => '',
# Flag determines if pmc2c.pl and ops2c.pl also
# generate #line directives. These can confuse
# debugging internals.
no_lines_flag => $conf->options->get('no-line-directives') ? '--no-lines' : '',
tempdir => File::Spec->tmpdir,
coveragedir => $conf->options->get('coveragedir') || $build_dir,
);
# GH #383: Profiling options are too specific to GCC
if ( $conf->options->get('profile') ) {
$conf->data->set(
cc_debug => " -pg ",
ld_debug => " -pg ",
);
}
$conf->data->set( clock_best => "" );
$conf->data->set( 'archname', $Config{archname});
$conf->data->set( has_core_nci_thunks => 1 );
$conf->data->set( HAS_CORE_NCI_THUNKS => 1 );
if ( $conf->options->get( 'without-core-nci-thunks' ) ) {
$conf->data->set( has_core_nci_thunks => 0 );
$conf->data->set( HAS_CORE_NCI_THUNKS => 0 );
}
$conf->data->set( has_extra_nci_thunks => 1 );
$conf->data->set( HAS_EXTRA_NCI_THUNKS => 1 );
if ( $conf->options->get( 'without-extra-nci-thunks' ) ) {
$conf->data->set( has_extra_nci_thunks => 0 );
$conf->data->set( HAS_EXTRA_NCI_THUNKS => 0 );
}
# adjust archname, cc and libs for e.g. --m=32
# remember corrected archname - jit.pm was using $Config('archname')
_64_bit_adjustments($conf);
_set_default_tests($conf);
return 1;
}
sub _64_bit_adjustments {
my $conf = shift;
my $m = $conf->options->get('m');
if ($m) {
my $archname = $conf->data->get('archname');
if ( $archname =~ /x86_64/ && $m eq '32' ) {
$archname =~ s/x86_64/i386/;
# adjust gcc?
## add parentheses around qw(...)
## to remove deprecation warning in perl 5.14.0
for my $cc (qw(cc cxx link ld)) {
$conf->data->add( ' ', $cc, '-m32' );
}
# and lib flags
for my $lib (qw(ld_load_flags ld_share_flags ldflags linkflags)) {
my $item = $conf->data->get($lib);
( my $ni = $item ) =~ s/lib64/lib/g;
$conf->data->set( $lib, $ni );
}
}
$conf->data->set( 'archname', $archname );
}
return 1;
}
sub _set_default_tests {
my $conf = shift;
$conf->data->set( 'runcore_tests' =>
( join ' ' => @Parrot::Harness::DefaultTests::runcore_tests ) );
$conf->data->set( 'core_tests' =>
( join ' ' => @Parrot::Harness::DefaultTests::core_tests ) );
$conf->data->set( 'library_tests' =>
( join ' ' => @Parrot::Harness::DefaultTests::library_tests ) );
$conf->data->set( 'configure_tests' =>
( join ' ' => @Parrot::Harness::DefaultTests::configure_tests ) );
$conf->data->set( 'developing_tests' =>
( join ' ' => @Parrot::Harness::DefaultTests::developing_tests ) );
}
1;
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4: