1# take a semicolon separated path list and turn it into a quoted
2# list of paths that Text::Parsewords will grok
3sub mungepath {
4    my $p = shift;
5    # remove leading/trailing semis/spaces
6    $p =~ s/^[ ;]+//;
7    $p =~ s/[ ;]+$//;
8    $p =~ s/'/"/g;
9    my @p = map { $_ = "\"$_\"" if /\s/ and !/^".*"$/; $_ } split /;/, $p;
10    return join(' ', @p);
11}
12
13# generate an array of option strings from command-line args
14# or an option file
15#    -- added by BKS, 10-17-1999 to fix command-line overflow problems
16sub loadopts {
17    if ($ARGV[0] =~ /--cfgsh-option-file/) {
18	shift @ARGV;
19	my $optfile = shift @ARGV;
20	local (*F);
21	open OPTF, $optfile or die "Can't open $optfile: $!\n";
22	my @opts;
23	chomp(my $line = <OPTF>);
24	my @vars = split(/\t+~\t+/, $line);
25	for (@vars) {
26	    push(@opts, $_) unless (/^\s*$/);
27	}
28	close OPTF;
29	return \@opts;
30    }
31    else {
32	return \@ARGV;
33    }
34}
35
36my %opt;
37my $optref = loadopts();
38while (@{$optref} && $optref->[0] =~ /^([\w_]+)=(.*)$/) {
39    $opt{$1}=$2;
40    shift(@{$optref});
41}
42
43my $pl_h = '../patchlevel.h';
44
45if (-e $pl_h) {
46    open PL, "<$pl_h" or die "Can't open $pl_h: $!";
47    while (<PL>) {
48	if (/^#\s*define\s+(PERL_\w+)\s+([\d.]+)/) {
49	    $opt{$1} = $2;
50	}
51    }
52    close PL;
53}
54else {
55    die "Can't find $pl_h: $!";
56}
57$opt{VERSION} = "$opt{PERL_REVISION}.$opt{PERL_VERSION}.$opt{PERL_SUBVERSION}";
58$opt{INST_VER} =~ s|~VERSION~|$opt{VERSION}|g;
59
60$opt{'cf_by'} = $ENV{USERNAME} unless $opt{'cf_by'};
61$opt{'cf_email'} = $opt{'cf_by'} . '@' . (gethostbyname('localhost'))[0]
62	unless $opt{'cf_email'};
63$opt{'usemymalloc'} = 'y' if $opt{'d_mymalloc'} eq 'define';
64
65$opt{libpth} = mungepath($opt{libpth}) if exists $opt{libpth};
66$opt{incpath} = mungepath($opt{incpath}) if exists $opt{incpath};
67
68while (<>) {
69    s/~([\w_]+)~/$opt{$1}/g;
70    if (/^([\w_]+)=(.*)$/) {
71	my($k,$v) = ($1,$2);
72	# this depends on cf_time being empty in the template (or we'll
73	# get a loop)
74	if ($k eq 'cf_time') {
75	    $_ = "$k='" . localtime(time) . "'\n" if $v =~ /^\s*'\s*'/;
76	}
77	elsif (exists $opt{$k}) {
78	    $_ = "$k='$opt{$k}'\n";
79	}
80    }
81    print;
82}
83
84