URL: https://perldoc.perl.org/ExtUtils::MakeMaker.txt
# $Id$
package ExtUtils::MakeMaker;
use strict;
use warnings;
BEGIN {require 5.006;}
require Exporter;
use ExtUtils::MakeMaker::Config;
use ExtUtils::MakeMaker::version; # ensure we always have our fake version.pm
use Carp;
use File::Path;
my $CAN_DECODE = eval { require ExtUtils::MakeMaker::Locale; }; # 2 birds, 1 stone
eval { ExtUtils::MakeMaker::Locale::reinit('UTF-8') }
if $CAN_DECODE and Encode::find_encoding('locale')->name eq 'ascii';
our $Verbose = 0; # exported
our @Parent; # needs to be localized
our @Get_from_Config; # referenced by MM_Unix
our @MM_Sections;
our @Overridable;
my @Prepend_parent;
our %Recognized_Att_Keys;
our %macro_fsentity; # whether a macro is a filesystem name
our %macro_dep; # whether a macro is a dependency
our $VERSION = '7.76';
$VERSION =~ tr/_//d;
# Emulate something resembling CVS $Revision$
(our $Revision = $VERSION) =~ s{_}{};
$Revision = int $Revision * 10000;
our $Filename = __FILE__; # referenced outside MakeMaker
our @ISA = qw(Exporter);
our @EXPORT = qw(&WriteMakefile $Verbose &prompt &os_unsupported);
our @EXPORT_OK = qw($VERSION &neatvalue &mkbootstrap &mksymlists
&WriteEmptyMakefile &open_for_writing &write_file_via_tmp
&_sprintf562);
# These will go away once the last of the Win32 & VMS specific code is
# purged.
my $Is_VMS = $^O eq 'VMS';
my $Is_Win32 = $^O eq 'MSWin32';
our $UNDER_CORE = $ENV{PERL_CORE}; # needs to be our
full_setup();
require ExtUtils::MM; # Things like CPAN assume loading ExtUtils::MakeMaker
# will give them MM.
require ExtUtils::MY; # XXX pre-5.8 versions of ExtUtils::Embed expect
# loading ExtUtils::MakeMaker will give them MY.
# This will go when Embed is its own CPAN module.
# 5.6.2 can't do sprintf "%1$s" - this can only do %s
sub _sprintf562 {
my ($format, @args) = @_;
for (my $i = 1; $i <= @args; $i++) {
$format =~ s#%$i\$s#$args[$i-1]#g;
}
$format;
}
sub WriteMakefile {
croak "WriteMakefile: Need even number of args" if @_ % 2;
require ExtUtils::MY;
my %att = @_;
_convert_compat_attrs(\%att);
_verify_att(\%att);
my $mm = MM->new(\%att);
$mm->flush;
return $mm;
}
# Basic signatures of the attributes WriteMakefile takes. Each is the
# reference type. Empty value indicate it takes a non-reference
# scalar.
my %Att_Sigs;
my %Special_Sigs = (
AUTHOR => 'ARRAY',
C => 'ARRAY',
CONFIG => 'ARRAY',
CONFIGURE => 'CODE',
DIR => 'ARRAY',
DL_FUNCS => 'HASH',
DL_VARS => 'ARRAY',
EXCLUDE_EXT => 'ARRAY',
EXE_FILES => 'ARRAY',
FUNCLIST => 'ARRAY',
H => 'ARRAY',
IMPORTS => 'HASH',
INCLUDE_EXT => 'ARRAY',
LIBS => ['ARRAY',''],
MAN1PODS => 'HASH',
MAN3PODS => 'HASH',
META_ADD => 'HASH',
META_MERGE => 'HASH',
OBJECT => ['ARRAY', ''],
PL_FILES => 'HASH',
PM => 'HASH',
PMLIBDIRS => 'ARRAY',
PMLIBPARENTDIRS => 'ARRAY',
PREREQ_PM => 'HASH',
BUILD_REQUIRES => 'HASH',
CONFIGURE_REQUIRES => 'HASH',
TEST_REQUIRES => 'HASH',
SKIP => 'ARRAY',
TYPEMAPS => 'ARRAY',
XS => 'HASH',
XSBUILD => 'HASH',
VERSION => ['version',''],
_KEEP_AFTER_FLUSH => '',
clean => 'HASH',
depend => 'HASH',
dist => 'HASH',
dynamic_lib=> 'HASH',
linkext => 'HASH',
macro => 'HASH',
postamble => 'HASH',
realclean => 'HASH',
test => 'HASH',
tool_autosplit => 'HASH',
);
@Att_Sigs{keys %Recognized_Att_Keys} = ('') x keys %Recognized_Att_Keys;
@Att_Sigs{keys %Special_Sigs} = values %Special_Sigs;
sub _convert_compat_attrs { #result of running several times should be same
my($att) = @_;
if (exists $att->{AUTHOR}) {
if ($att->{AUTHOR}) {
if (!ref($att->{AUTHOR})) {
my $t = $att->{AUTHOR};
$att->{AUTHOR} = [$t];
}
} else {
$att->{AUTHOR} = [];
}
}
}
sub _verify_att {
my($att) = @_;
foreach my $key (sort keys %$att) {
my $val = $att->{$key};
my $sig = $Att_Sigs{$key};
unless( defined $sig ) {
warn "WARNING: $key is not a known parameter.\n";
next;
}
my @sigs = ref $sig ? @$sig : $sig;
my $given = ref $val;
unless( grep { _is_of_type($val, $_) } @sigs ) {
my $takes = join " or ", map { _format_att($_) } @sigs;
my $has = _format_att($given);
warn "WARNING: $key takes a $takes not a $has.\n".
" Please inform the author.\n";
}
}
}
# Check if a given thing is a reference or instance of $type
sub _is_of_type {
my($thing, $type) = @_;
return 1 if ref $thing eq $type;
local $SIG{__DIE__};
return 1 if eval{ $thing->isa($type) };
return 0;
}
sub _format_att {
my $given = shift;
return $given eq '' ? "string/number"
: uc $given eq $given ? "$given reference"
: "$given object"
;
}
sub prompt ($;$) { ## no critic
my($mess, $def) = @_;
confess("prompt function called without an argument")
unless defined $mess;
my $isa_tty = -t STDIN && (-t STDOUT || !(-f STDOUT || -c STDOUT)) ;
my $dispdef = defined $def ? "[$def] " : " ";
$def = defined $def ? $def : "";
local $|=1;
local $\;
print "$mess $dispdef";
my $ans;
if ($ENV{PERL_MM_USE_DEFAULT} || (!$isa_tty && eof STDIN)) {
print "$def\n";
}
else {
$ans =