曾与蒿藜同雨露,한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.かつては雑草やヨモギと共に雨や露を分かち合っていたが、今では松やヒノキと共に霜や雪に耐えている。曾与蒿藜同雨露,Once sharing rain and dew with weeds and wormwood, now enduring frost and snow with pines and cypresses.终随松柏到冰霜.曾与蒿藜同雨露한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.,终随松柏到冰霜.譖セ荳手珍阯懷酔髮ィ髴イ�檎サ磯囂譚セ譟丞芦蜀ー髴�曾与蒿藜同雨露,鏇句笌钂胯棞鍚岄洦闇诧紝缁堥殢鏉炬煆鍒板啺闇�终随松柏到冰霜.曾与蒿藜同雨露,한때 잡초와 쑥과 함께 비와 이슬을 나누던 곳이 이제는 소나무와 삼나무와 함께 서리와 눈을 견뎌내고 있다.终随松柏到冰霜.曾与蒿藜同雨露,终随松柏到冰霜.
package ExtUtils::CBuilder::Base;
use strict;
use File::Spec;
use File::Basename;
use Cwd ();
use Config;
use Text::ParseWords;
use IO::File;
use Data::Dumper;$Data::Dumper::Indent=1;
use IPC::Cmd qw(can_run);
use File::Temp qw(tempfile);
use vars qw($VERSION);
$VERSION = '0.280206';
# More details about C/C++ compilers:
# http://developers.sun.com/sunstudio/documentation/product/compiler.jsp
# http://gcc.gnu.org/
# http://publib.boulder.ibm.com/infocenter/comphelp/v101v121/index.jsp
# http://msdn.microsoft.com/en-us/vstudio/default.aspx
my %cc2cxx = (
# first line order is important to support wrappers like in pkgsrc
cc => [ 'c++', 'CC', 'aCC', 'cxx', ], # Sun Studio, HP ANSI C/C++ Compilers
gcc => [ 'g++' ], # GNU Compiler Collection
xlc => [ 'xlC' ], # IBM C/C++ Set, xlc without thread-safety
xlc_r => [ 'xlC_r' ], # IBM C/C++ Set, xlc with thread-safety
cl => [ 'cl' ], # Microsoft Visual Studio
);
sub new {
my $class = shift;
my $self = bless {@_}, $class;
$self->{properties}{perl} = $class->find_perl_interpreter
or warn "Warning: Can't locate your perl binary";
while (my ($k,$v) = each %Config) {
$self->{config}{$k} = $v unless exists $self->{config}{$k};
}
$self->{config}{cc} = $ENV{CC} if defined $ENV{CC};
$self->{config}{ccflags} = join(" ", $self->{config}{ccflags}, $ENV{CFLAGS})
if defined $ENV{CFLAGS};
$self->{config}{cxx} = $ENV{CXX} if defined $ENV{CXX};
$self->{config}{cxxflags} = $ENV{CXXFLAGS} if defined $ENV{CXXFLAGS};
$self->{config}{ld} = $ENV{LD} if defined $ENV{LD};
$self->{config}{ldflags} = join(" ", $self->{config}{ldflags}, $ENV{LDFLAGS})
if defined $ENV{LDFLAGS};
unless ( exists $self->{config}{cxx} ) {
my ($ccpath, $ccbase, $ccsfx ) = fileparse($self->{config}{cc}, qr/\.[^.]*/);
foreach my $cxx (@{$cc2cxx{$ccbase}}) {
if( can_run( File::Spec->catfile( $ccpath, $cxx, $ccsfx ) ) ) {
$self->{config}{cxx} = File::Spec->catfile( $ccpath, $cxx, $ccsfx );
last;
}
if( can_run( File::Spec->catfile( $cxx, $ccsfx ) ) ) {
$self->{config}{cxx} = File::Spec->catfile( $cxx, $ccsfx );
last;
}
if( can_run( $cxx ) ) {
$self->{config}{cxx} = $cxx;
last;
}
}
unless ( exists $self->{config}{cxx} ) {
$self->{config}{cxx} = $self->{config}{cc};
my $cflags = $self->{config}{ccflags};
$self->{config}{cxxflags} = '-x c++';
$self->{config}{cxxflags} .= " $cflags" if defined $cflags;
}
}
return $self;
}
sub find_perl_interpreter {
my $perl;
File::Spec->file_name_is_absolute($perl = $^X)
or -f ($perl = $Config::Config{perlpath})
or ($perl = $^X); # XXX how about using IPC::Cmd::can_run here?
return $perl;
}
sub add_to_cleanup {
my $self = shift;
foreach (@_) {
$self->{files_to_clean}{$_} = 1;
}
}
sub cleanup {
my $self = shift;
foreach my $file (keys %{$self->{files_to_clean}}) {
unlink $file;
}
}
sub get_config {
return %{ $_[0]->{config} };
}
sub object_file {
my ($self, $filename) = @_;
# File name, minus the suffix
(my $file_base = $filename) =~ s/\.[^.]+$//;
return "$file_base$self->{config}{obj_ext}";
}
sub arg_include_dirs {
my $self = shift;
return map {"-I$_"} @_;
}
sub arg_nolink { '-c' }
sub arg_object_file {
my ($self, $file) = @_;
return ('-o', $file);
}
sub arg_share_object_file {
my ($self, $file) = @_;
return ($self->split_like_shell($self->{config}{lddlflags}), '-o', $file);
}
sub arg_exec_file {
my ($self, $file) = @_;
return ('-o', $file);
}
sub arg_defines {
my ($self, %args) = @_;
return map "-D$_=$args{$_}", keys %args;
}
sub compile {
my ($self, %args) = @_;
die "Missing 'source' argument to compile()" unless defined $args{source};
my $cf = $self->{config}; # For convenience
my $object_file = $args{object_file}
? $args{object_file}
: $self->object_file($args{source});
my $include_dirs_ref =
(exists($args{include_dirs}) && ref($args{include_dirs}) ne "ARRAY")
? [ $args{include_dirs} ]
: $args{include_dirs};
my @include_dirs = $self->arg_include_dirs(
@{ $include_dirs_ref || [] },
$self->perl_inc(),
);
my @defines = $self->arg_defines( %{$args{defines} || {}} );
my @extra_compiler_flags =
$self->split_like_shell($args{extra_compiler_flags});
my @cccdlflags = $self->split_like_shell($cf->{cccdlflags});
my @ccflags = $self->split_like_shell($args{'C++'} ? $cf->{cxxflags} : $cf->{ccflags});
my @optimize = $self->split_like_shell($cf->{optimize});
my @flags = (
@include_dirs,
@defines,
@cccdlflags,
@extra_compiler_flags,
$self->arg_nolink,
@ccflags,
@optimize,
$self->arg_object_file($object_file),
);
my @cc = $self->split_like_shell($args{'C++'} ? $cf->{cxx} : $cf->{cc});
$self->do_system(@cc, @flags, $args{source})
or die "error building $object_file from '$args{source}'";
return $object_file;
}
sub have_compiler {
my ($self, $is_cplusplus) = @_;
my $have_compiler_flag = $is_cplusplus ? "have_cxx" : "have_cc";
my $suffix = $is_cplusplus ? ".cc" : ".c";
return $self->{$have_compiler_flag} if defined $self->{$have_compiler_flag};
my $result;
my $attempts = 3;
# tmpdir has issues for some people so fall back to current dir
# don't clobber existing files (rare, but possible)
my ( $FH, $tmpfile ) = tempfile( "compilet-XXXXX", SUFFIX => $suffix );
binmode $FH;
if ( $is_cplusplus ) {
print $FH "class Bogus { public: int boot_compilet() { return 1; } };\n";
}
else {
print $FH "int boot_compilet() { return 1; }\n";
}
close $FH;
my ($obj_file, @lib_files);
eval {
local $^W = 0;
local $self->{quiet} = 1;
$obj_file = $self->compile('C++' => $is_cplusplus, source => $tmpfile);
@lib_files = $self->link(objects => $obj_file, module_name => 'compilet');
};
$result = $@ ? 0 : 1;
foreach (grep defined, $tmpfile, $obj_file, @lib_files) {
1 while unlink;
}
return $self->{$have_compiler_flag} = $result;
}
sub have_cplusplus {
push @_, 1;
goto &have_compiler;
}
sub lib_file {
my ($self, $dl_file) = @_;
$dl_file =~ s/\.[^.]+$//;
$dl_file =~ tr/"//d;
return "$dl_file.$self->{config}{dlext}";
}
sub exe_file {
my ($self, $dl_file) = @_;
$dl_file =~ s/\.[^.]+$//;
$dl_file =~ tr/"//d;
return "$dl_file$self->{config}{_exe}";
}
sub need_prelink { 0 }
sub extra_link_args_after_prelink { return }
sub prelink {
my ($self, %args) = @_;
my ($dl_file_out, $mksymlists_args) = _prepare_mksymlists_args(\%args);
require ExtUtils::Mksymlists;
# dl. abbrev for dynamic library
ExtUtils::Mksymlists::Mksymlists( %{ $mksymlists_args } );
# Mksymlists will create one of these files
return grep -e, map "$dl_file_out.$_", qw(ext def opt);
}
sub _prepare_mksymlists_args {
my $args = shift;
($args->{dl_file} = $args->{dl_name}) =~ s/.*::// unless $args->{dl_file};
my %mksymlists_args = (
DL_VARS => $args->{dl_vars} || [],
DL_FUNCS => $args->{dl_funcs} || {},
FUNCLIST => $args->{dl_func_list} || [],
IMPORTS => $args->{dl_imports} || {},
NAME => $args->{dl_name}, # Name of the Perl module
DLBASE => $args->{dl_base}, # Basename of DLL file
FILE => $args->{dl_file}, # Dir + Basename of symlist file
VERSION => (defined $args->{dl_version} ? $args->{dl_version} : '0.0'),
);
return ($args->{dl_file}, \%mksymlists_args);
}
sub link {
my ($self, %args) = @_;
return $self->_do_link('lib_file', lddl => 1, %args);
}
sub link_executable {
my ($self, %args) = @_;
return $self->_do_link('exe_file', lddl => 0, %args);
}
sub _do_link {
my ($self, $type, %args) = @_;
my $cf = $self->{config}; # For convenience
my $objects = delete $args{objects};
$objects = [$objects] unless ref $objects;
my $out = $args{$type} || $self->$type($objects->[0]);
my @temp_files;
@temp_files =
$self->prelink(%args, dl_name => $args{module_name})
if $args{lddl} && $self->need_prelink;
my @linker_flags = (
$self->split_like_shell($args{extra_linker_flags}),
$self->extra_link_args_after_prelink(
%args, dl_name => $args{module_name}, prelink_res => \@temp_files
)
);
my @output = $args{lddl}
? $self->arg_share_object_file($out)
: $self->arg_exec_file($out);
my @shrp = $self->split_like_shell($cf->{shrpenv});
my @ld = $self->split_like_shell($cf->{ld});
$self->do_system(@shrp, @ld, @output, @$objects, @linker_flags)
or die "error building $out from @$objects";
return wantarray ? ($out, @temp_files) : $out;
}
sub do_system {
my ($self, @cmd) = @_;
print "@cmd\n" if !$self->{quiet};
return !system(@cmd);
}
sub split_like_shell {
my ($self, $string) = @_;
return () unless defined($string);
return @$string if UNIVERSAL::isa($string, 'ARRAY');
$string =~ s/^\s+|\s+$//g;
return () unless length($string);
# Text::ParseWords replaces all 'escaped' characters with themselves, which completely
# breaks paths under windows. As such, we forcibly replace backwards slashes with forward
# slashes on windows.
$string =~ s@\\@/@g if $^O eq 'MSWin32';
return Text::ParseWords::shellwords($string);
}
# if building perl, perl's main source directory
sub perl_src {
# N.B. makemaker actually searches regardless of PERL_CORE, but
# only squawks at not finding it if PERL_CORE is set
return unless $ENV{PERL_CORE};
my $Updir = File::Spec->updir;
my $dir = File::Spec->curdir;
# Try up to 5 levels upwards
for (0..10) {
if (
-f File::Spec->catfile($dir,"config_h.SH")
&&
-f File::Spec->catfile($dir,"perl.h")
&&
-f File::Spec->catfile($dir,"lib","Exporter.pm")
) {
return Cwd::realpath( $dir );
}
$dir = File::Spec->catdir($dir, $Updir);
}
warn "PERL_CORE is set but I can't find your perl source!\n";
return ''; # return empty string if $ENV{PERL_CORE} but can't find dir ???
}
# directory of perl's include files
sub perl_inc {
my $self = shift;
$self->perl_src() || File::Spec->catdir($self->{config}{archlibexp},"CORE");
}
sub DESTROY {
my $self = shift;
local($., $@, $!, $^E, $?);
$self->cleanup();
}
1;
# vim: ts=2 sw=2 et: