--- /dev/null
+package ExtUtils::CBuilder::Base;
+
+use strict;
+use File::Spec;
+use File::Basename;
+use Cwd ();
+use Config;
+use Text::ParseWords;
+use IO::File;
+
+use vars qw($VERSION);
+$VERSION = '0.27';
+
+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 exists $ENV{CC};
+ 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);
+ 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 $file;
+ }
+}
+
+sub object_file {
+ my ($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
+
+ $args{object_file} ||= $self->object_file($args{source});
+
+ my @include_dirs = $self->arg_include_dirs
+ (@{$args{include_dirs} || []},
+ $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 = $self->split_like_shell($cf->{ccflags});
+ push @ccflags, qw/-x c++/ if $args{'C++'};
+ my @optimize = $self->split_like_shell($cf->{optimize});
+ my @flags = (@include_dirs, @defines, @cccdlflags, @extra_compiler_flags,
+ $self->arg_nolink,
+ @ccflags, @optimize,
+ $self->arg_object_file($args{object_file}),
+ );
+
+ my @cc = $self->split_like_shell($cf->{cc});
+
+ $self->do_system(@cc, @flags, $args{source})
+ or die "error building $args{object_file} from '$args{source}'";
+
+ return $args{object_file};
+}
+
+sub have_compiler {
+ my ($self, $is_cplusplus) = @_;
+ return $self->{have_compiler} if defined $self->{have_compiler};
+
+ my $result;
+ my $attempts = 3;
+ # tmpdir has issues for some people so fall back to current dir
+ DIR: for my $dir ( File::Spec->tmpdir, '.' ) {
+
+ # don't clobber existing files (rare, but possible)
+ my $rand = int(rand(2**31));
+ my $tmpfile = File::Spec->catfile($dir, "compilet-$rand.c");
+ $tmpfile .= "c" if $is_cplusplus;
+ if ( -e $tmpfile ) {
+ redo DIR if $attempts--;
+ next DIR;
+ }
+
+ {
+ my $FH = IO::File->new("> $tmpfile") or die "Can't create $tmpfile: $!";
+ if ( $is_cplusplus ) {
+ print $FH "class Bogus { public: int boot_compilet() { return 1; } };\n";
+ }
+ else {
+ print $FH "int boot_compilet() { return 1; }\n";
+ }
+ }
+
+ my ($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;
+ }
+ last DIR if $result;
+ }
+
+ return $self->{have_compiler} = $result;
+}
+
+sub have_cplusplus {
+ push @_, 1;
+ goto &have_compiler;
+}
+
+sub lib_file {
+ my ($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) = @_;
+
+ ($args{dl_file} = $args{dl_name}) =~ s/.*::// unless $args{dl_file};
+
+ require ExtUtils::Mksymlists;
+ ExtUtils::Mksymlists::Mksymlists( # dl. abbrev for dynamic library
+ 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} ? $args{dl_version} : '0.0'),
+ );
+
+ # Mksymlists will create one of these files
+ return grep -e, map "$args{dl_file}.$_", qw(ext def opt);
+}
+
+sub link {
+ my ($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($string);
+
+ return Text::ParseWords::shellwords($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;
projects / catagits/Gitalist.git / blobdiff