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https://github.com/Perl/perl5.git
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435 lines
13 KiB
Perl
435 lines
13 KiB
Perl
#!perl -w
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use strict;
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use FindExt;
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# take a semicolon separated path list and turn it into a quoted
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# list of paths that Text::Parsewords will grok
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sub mungepath {
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my $p = shift;
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# remove leading/trailing semis/spaces
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$p =~ s/^[ ;]+//;
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$p =~ s/[ ;]+$//;
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$p =~ s/'/"/g;
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my @p = map { $_ = "\"$_\"" if /\s/ and !/^".*"$/; $_ } split /;/, $p;
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return wantarray ? @p : join(' ', @p);
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}
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# check that the directories in the provided var exist
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sub check_path {
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my $opt = shift;
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my $p = shift;
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my @paths = mungepath($p);
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my $header_seen = 0;
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foreach my $path (@paths) {
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$path =~ s/^"(.*)"$/$1/;
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next, if -d $path;
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if (not $header_seen++) {
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print STDERR "'$opt' contains the following non-existing paths:\n";
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}
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print STDERR "\t$path\n";
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}
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if ($header_seen) {
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print STDERR <<EOF;
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Did you provide a correct value for the 'CCHOME' option?
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(This check can be skipped by using the SKIP_CCHOME_CHECK=1 option)
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EOF
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exit 1;
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}
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}
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# generate an array of option strings from command-line args
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# or an option file
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# -- added by BKS, 10-17-1999 to fix command-line overflow problems
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sub loadopts {
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if ($ARGV[0] =~ /--cfgsh-option-file/) {
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shift @ARGV;
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my $optfile = shift @ARGV;
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local (*OPTF);
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open OPTF, '<', $optfile or die "Can't open $optfile: $!\n";
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my @opts;
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chomp(my $line = <OPTF>);
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my @vars = split(/\t+~\t+/, $line);
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for (@vars) {
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push(@opts, $_) unless (/^\s*$/);
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}
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close OPTF;
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return \@opts;
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}
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else {
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return \@ARGV;
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}
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}
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sub replace_template {
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my ($template, %opt) = @_;
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open my $fh, "<", $template
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or die "$0: Cannot open $template: $!\n";
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my $result = '';
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local $_;
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while (<$fh>) {
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s/~([\w_]+)~/exists $opt{$1} ? $opt{$1} : ''/eg;
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if (/^([\w_]+)=(.*)$/) {
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my($k,$v) = ($1,$2);
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# this depends on cf_time being empty in the template (or we'll
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# get a loop)
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if (exists $opt{$k}) {
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$_ = "$k='$opt{$k}'\n";
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}
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}
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$result .= $_;
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}
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close $fh;
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$result;
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}
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my $out = '-';
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if (@ARGV >= 2 && $ARGV[0] eq '-o') {
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shift;
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$out = shift;
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}
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my $prebuilt; # are we making the prebuilt config used to bootstrap?
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if (@ARGV && $ARGV[0] eq '--prebuilt') {
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++$prebuilt;
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shift;
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}
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my %opt;
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my $optref = loadopts();
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while (@{$optref} && $optref->[0] =~ /^([\w_]+)=(.*)$/) {
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$opt{$1}=$2;
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shift(@{$optref});
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}
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FindExt::scan_ext("../cpan");
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FindExt::scan_ext("../dist");
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FindExt::scan_ext("../ext");
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FindExt::set_static_extensions(split ' ', $opt{static_ext});
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$opt{nonxs_ext} = join(' ',FindExt::nonxs_ext()) || ' ';
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$opt{static_ext} = join(' ',FindExt::static_ext()) || ' ';
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$opt{dynamic_ext} = join(' ',FindExt::dynamic_ext()) || ' ';
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$opt{extensions} = join(' ',FindExt::extensions()) || ' ';
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$opt{known_extensions} = join(' ',FindExt::known_extensions()) || ' ';
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my $pl_h = '../patchlevel.h';
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if (-e $pl_h) {
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open PL, "<", $pl_h or die "Can't open $pl_h: $!";
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while (<PL>) {
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if (/^#\s*define\s+(PERL_\w+)\s+([\d.]+)/) {
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$opt{$1} = $2;
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}
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}
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close PL;
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}
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else {
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die "Can't find $pl_h: $!";
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}
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my $patch_file = '../.patch';
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if (-e $patch_file) {
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open my $fh, "<", $patch_file or die "Can't open $patch_file: $!";
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chomp($opt{PERL_PATCHLEVEL} = <$fh>);
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close $fh;
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}
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$opt{version} = "$opt{PERL_REVISION}.$opt{PERL_VERSION}.$opt{PERL_SUBVERSION}";
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$opt{version_patchlevel_string} = "version $opt{PERL_VERSION} subversion $opt{PERL_SUBVERSION}";
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$opt{version_patchlevel_string} .= " patch $opt{PERL_PATCHLEVEL}" if exists $opt{PERL_PATCHLEVEL};
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my $ver = `ver 2>nul`;
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$opt{osvers} = $ver =~ /\b(\d+(?:\.\d+)+)\b/ ? $1 : '4.0';
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if (exists $opt{cc}) {
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system "$opt{cc} -o have_stdckdint.exe configure/have_stdckdint.c 1>nul 2>&1";
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if (-e 'have_stdckdint.exe') {
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$opt{i_stdckdint} = 'define' if `have_stdckdint` eq '0';
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unlink 'have_stdckdint.exe'; # have_stdckdint.exe no longer needed
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}
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# cl version detection borrowed from Test::Smoke's configsmoke.pl
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if ($opt{cc} =~ /\b(?:cl|icl)/) { #MSVC can come as clarm.exe, icl=Intel C
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my $output = `$opt{cc} 2>&1`;
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$opt{ccversion} = $output =~ /\b(\d+(?:\.\d+)+)\b/ ? $1 : '?';
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}
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elsif ($opt{cc} =~ /\bgcc\b/) {
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chomp($opt{gccversion} = `$opt{cc} -dumpversion`);
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chomp($opt{libc} = `$opt{cc} -o rt.exe configure/rt.c 1>nul 2>&1 && rt`);
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if(-e 'rt.exe') { unlink 'rt.exe' } # rt.exe no longer needed
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else { die "Failed to identify default runtime" }
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}
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}
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$opt{cf_by} = $ENV{USERNAME} unless $opt{cf_by};
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if (!$opt{cf_email}) {
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my $computername = eval{(gethostbyname('localhost'))[0]};
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# gethostbyname might not be implemented in miniperl
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$computername = $ENV{COMPUTERNAME} if $@;
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$opt{cf_email} = $opt{cf_by} . '@' . $computername;
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}
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$opt{usemymalloc} = 'y' if $opt{d_mymalloc} eq 'define';
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unless ($opt{SKIP_CCHOME_CHECK}) {
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check_path('CCLIBDIR', $opt{libpth});
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check_path('CCINCDIR', $opt{incpath});
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}
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$opt{libpth} = mungepath($opt{libpth}) if exists $opt{libpth};
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$opt{incpath} = mungepath($opt{incpath}) if exists $opt{incpath};
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my $int64;
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if ($opt{cc} =~ /\b(?:cl|icl)/) {
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$int64 = '__int64';
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}
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elsif ($opt{cc} =~ /\bgcc\b/) {
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$int64 = 'long long';
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}
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# set 64-bit options
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if ($opt{WIN64} eq 'define') {
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$opt{d_atoll} = 'define';
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$opt{d_strtoll} = 'define';
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$opt{d_strtoull} = 'define';
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$opt{ptrsize} = 8;
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$opt{sizesize} = 8;
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$opt{ssizetype} = $int64;
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$opt{st_ino_size} = 8;
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}
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else {
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$opt{d_atoll} = 'undef';
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$opt{d_strtoll} = 'undef';
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$opt{d_strtoull} = 'undef';
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$opt{ptrsize} = 4;
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$opt{sizesize} = 4;
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$opt{ssizetype} = 'int';
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$opt{st_ino_size} = 4;
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}
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# set 64-bit-int options
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if ($opt{use64bitint} eq 'define') {
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if ($opt{uselongdouble} eq 'define' || $opt{usequadmath} eq 'define') {
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$opt{d_nv_preserves_uv} = 'define';
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$opt{nv_preserves_uv_bits} = 64;
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}
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else {
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$opt{d_nv_preserves_uv} = 'undef';
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$opt{nv_preserves_uv_bits} = 53;
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}
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$opt{ivdformat} = qq{"I64d"};
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$opt{ivsize} = 8;
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$opt{ivtype} = $int64;
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$opt{sPRIXU64} = qq{"I64X"};
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$opt{sPRId64} = qq{"I64d"};
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$opt{sPRIi64} = qq{"I64i"};
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$opt{sPRIo64} = qq{"I64o"};
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$opt{sPRIu64} = qq{"I64u"};
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$opt{sPRIx64} = qq{"I64x"};
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$opt{uvXUformat} = qq{"I64X"};
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$opt{uvoformat} = qq{"I64o"};
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$opt{uvsize} = 8;
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$opt{uvtype} = qq{unsigned $int64};
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$opt{uvuformat} = qq{"I64u"};
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$opt{uvxformat} = qq{"I64x"};
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}
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else {
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$opt{d_nv_preserves_uv} = 'define';
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$opt{ivdformat} = '"ld"';
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$opt{ivsize} = 4;
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$opt{ivtype} = 'long';
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$opt{nv_preserves_uv_bits} = 32;
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$opt{sPRIXU64} = '"lX"';
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$opt{sPRId64} = '"ld"';
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$opt{sPRIi64} = '"li"';
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$opt{sPRIo64} = '"lo"';
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$opt{sPRIu64} = '"lu"';
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$opt{sPRIx64} = '"lx"';
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$opt{uvXUformat} = '"lX"';
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$opt{uvoformat} = '"lo"';
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$opt{uvsize} = 4;
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$opt{uvtype} = 'unsigned long';
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$opt{uvuformat} = '"lu"';
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$opt{uvxformat} = '"lx"';
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}
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unless ($opt{cc} =~ /\bcl/) {
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if ($opt{WIN64} eq 'define') {
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$opt{longdblsize} = 16;
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$opt{longdblinfbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00';
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$opt{longdblnanbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00';
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}
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else {
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$opt{longdblsize} = 12;
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$opt{longdblinfbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00';
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$opt{longdblnanbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x00, 0x00';
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}
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}
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# set long double options
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if ($opt{uselongdouble} eq 'define') {
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$opt{d_Gconvert} = 'sprintf((b),"%.*""Lg",(n),(x))';
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$opt{d_PRIEUldbl} = 'define';
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$opt{d_PRIFUldbl} = 'define';
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$opt{d_PRIGUldbl} = 'define';
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$opt{d_modflproto} = 'define';
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$opt{d_strtold} = 'define';
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$opt{d_PRIeldbl} = 'define';
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$opt{d_PRIfldbl} = 'define';
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$opt{d_PRIgldbl} = 'define';
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$opt{d_SCNfldbl} = 'define';
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$opt{nvsize} = $opt{longdblsize};
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$opt{nvtype} = 'long double';
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$opt{nv_overflows_integers_at} = '256.0*256.0*256.0*256.0*256.0*256.0*256.0*2.0*2.0*2.0*2.0*2.0*2.0*2.0*2.0';
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$opt{nvEUformat} = '"LE"';
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$opt{nvFUformat} = '"LF"';
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$opt{nvGUformat} = '"LG"';
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$opt{nveformat} = '"Le"';
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$opt{nvfformat} = '"Lf"';
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$opt{nvgformat} = '"Lg"';
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$opt{nvmantbits} = 64;
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$opt{longdblkind} = 3;
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$opt{longdblmantbits} = 64;
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}
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# set __float128 options
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elsif ($opt{usequadmath} eq 'define') {
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$opt{d_Gconvert} = 'sprintf((b),"%.*""Lg",(n),(x))';
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$opt{d_PRIEUldbl} = 'define';
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$opt{d_PRIFUldbl} = 'define';
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$opt{d_PRIGUldbl} = 'define';
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$opt{d_modflproto} = 'define';
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$opt{d_strtold} = 'define';
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$opt{d_PRIeldbl} = 'define';
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$opt{d_PRIfldbl} = 'define';
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$opt{d_PRIgldbl} = 'define';
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$opt{d_SCNfldbl} = 'define';
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$opt{nv_overflows_integers_at} = '256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*2.0';
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$opt{nvsize} = 16;
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$opt{nvtype} = '__float128';
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$opt{nvEUformat} = '"QE"';
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$opt{nvFUformat} = '"QF"';
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$opt{nvGUformat} = '"QG"';
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$opt{nveformat} = '"Qe"';
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$opt{nvfformat} = '"Qf"';
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$opt{nvgformat} = '"Qg"';
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$opt{nvmantbits} = 112;
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$opt{longdblkind} = 3;
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$opt{longdblmantbits} = 64;
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$opt{i_quadmath} = 'define';
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}
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else {
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$opt{d_Gconvert} = 'sprintf((b),"%.*g",(n),(x))';
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$opt{d_PRIEUldbl} = 'undef';
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$opt{d_PRIFUldbl} = 'undef';
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$opt{d_PRIGUldbl} = 'undef';
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if($opt{cc} =~ /\b(?:cl|icl)/) {
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$opt{d_modflproto} = 'undef';
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}
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else {
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$opt{d_modflproto} = 'define';
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}
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$opt{d_strtold} = 'undef';
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$opt{d_PRIeldbl} = 'undef';
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$opt{d_PRIfldbl} = 'undef';
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$opt{d_PRIgldbl} = 'undef';
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$opt{d_SCNfldbl} = 'undef';
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$opt{nvsize} = 8;
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$opt{nvtype} = 'double';
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$opt{nv_overflows_integers_at} = '256.0*256.0*256.0*256.0*256.0*256.0*2.0*2.0*2.0*2.0*2.0';
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$opt{nvEUformat} = '"E"';
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$opt{nvFUformat} = '"F"';
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$opt{nvGUformat} = '"G"';
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$opt{nveformat} = '"e"';
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$opt{nvfformat} = '"f"';
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$opt{nvgformat} = '"g"';
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}
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# change some configuration variables based on compiler version
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if ($opt{cc} =~ /\bcl/ and $opt{ccversion} =~ /^(\d+)/) {
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my $ccversion = $1;
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if ($ccversion >= 14) { # VC8+
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$opt{sGMTIME_max} = 32535291599;
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$opt{sLOCALTIME_max} = 32535244799;
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}
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if ($ccversion >= 16 && !$prebuilt) { # VC10+
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$opt{i_stdint} = 'define';
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}
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if ($ccversion >= 19) { # VC14+
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$opt{i_stdbool} = 'define' unless $prebuilt;
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}
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}
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# find out which MSVC this ICC is using
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elsif ($opt{cc} =~ /\bicl/) {
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my $output = `cl 2>&1`;
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my $num_ver = $output =~ /\b(\d+(?:\.\d+)+)\b/ ? $1 : '?';
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if ($num_ver =~ /^(\d+)/ && $1 >= 14) { # VC8+
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$opt{sGMTIME_max} = 32535291599;
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$opt{sLOCALTIME_max} = 32535244799;
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}
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if ($num_ver =~ /^(\d+)/ && $1 >= 16) { # VC10+
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$opt{i_stdint} = 'define';
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}
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if ($num_ver =~ /^(\d+)/ && $1 >= 19) { # VC14+
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$opt{i_stdbool} = 'define';
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}
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$opt{ar} ='xilib';
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}
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# win32.h always defines these, and those definitions
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# depend on the current CRT
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$opt{stdio_base} = 'PERLIO_FILE_base(fp)';
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$opt{stdio_bufsiz} = '(PERLIO_FILE_cnt(fp) + PERLIO_FILE_ptr(fp) - PERLIO_FILE_base(fp))';
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$opt{stdio_cnt} = 'PERLIO_FILE_cnt(fp)';
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$opt{stdio_ptr} = 'PERLIO_FILE_ptr(fp)';
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if ($opt{useithreads} eq 'define' && $opt{ccflags} =~ /-DPERL_IMPLICIT_SYS\b/) {
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$opt{d_pseudofork} = 'define';
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}
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if ($opt{usecplusplus} eq 'define') {
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$opt{d_cplusplus} = 'define';
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$opt{extern_C} = 'extern "C"';
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}
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#if the fields above are defined, they override the defaults in the premade
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#config file
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my $template = shift
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or die "$0: No template supplied\n";
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if ($out ne '-') {
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# preserve cf_time to avoid generating a new config.sh with no changes
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my $cf_time;
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if (open my $fh, "<", $out) {
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my $old = '';
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# scan for cf_time while reading in the whole file
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while (<$fh>) {
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$old .= $_;
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if (/^cf_time='(.*)'/) {
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$cf_time = $1;
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}
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}
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close $fh;
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my $replaced = replace_template($template, %opt, cf_time => $cf_time);
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if ($replaced eq $old) {
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# no configuration change, skip updating
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print "$0: No changes for $out\n";
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exit;
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}
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}
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open my $fh, ">", $out
|
|
or die "$0: Cannot create $out: $!\n";
|
|
print $fh replace_template($template, %opt, cf_time => scalar localtime);
|
|
close $fh
|
|
or die "$0: Failed to close $template: $!\n";
|
|
}
|
|
else {
|
|
print replace_template($template, %opt, cf_time => scalar localtime);
|
|
}
|