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|
#
use Config;
use File::Compare qw(compare);
use File::Copy qw(copy);
my $name = $0;
$name =~ s#^(.*)\.PL$#../$1.SH#;
my %opt;
while (@ARGV && $ARGV[0] =~ /^([\w_]+)=(.*)$/)
{
$opt{$1}=$2;
shift(@ARGV);
}
$opt{CONFIG_H} ||= 'config.h';
my $patchlevel = $opt{INST_VER};
$patchlevel =~ s|^[\\/]||;
$patchlevel =~ s|~VERSION~|$Config{version}|g;
$patchlevel ||= $Config{version};
$patchlevel = qq["$patchlevel"];
open(SH,'<',$name) || die "Cannot open $name:$!";
while (<SH>)
{
last if /^sed/;
}
($term,$file,$pat) = /^sed\s+<<(\S+)\s+>(\S+)\s+(.*)$/;
$file =~ s/^\$(\w+)$/$opt{$1}/g;
my $str = "sub munge\n{\n";
while ($pat =~ s/-e\s+'([^']*)'\s*//)
{
my $e = $1;
$e =~ s/\\([\(\)])/$1/g;
$e =~ s/\\(\d)/\$$1/g;
$str .= "$e;\n";
}
$str .= "}\n";
eval $str;
die "$str:$@" if $@;
open(H,'>',"$file.new") || die "Cannot open $file.new:$!";
binmode H; # no CRs (which cause a spurious rebuild)
while (<SH>)
{
last if /^$term$/o;
s/\$([\w_]+)/Config($1)/eg;
s/`([^\`]*)`/BackTick($1)/eg;
munge();
s/\\\$/\$/g;
s#/[ *\*]*\*/#/**/#;
if (/^\s*#define\s+(SITELIB|VENDORLIB)_EXP/)
{
$_ = "#define ". $1 . "_EXP (nw_get_". lc($1) . "($patchlevel))\t/**/\n";
}
# Added for NetWare and removed PRIVLIB from the above, the same thing might have
# to be done for other as well
elsif (/^\s*#define\s+(PRIVLIB)_EXP/)
{
$_ = "#define ". $1 . "_EXP (fnNwGetEnvironmentStr(\"PRIVLIB\", PRIVLIB))\t/**/\n";
}
# incpush() handles archlibs, so disable them
elsif (/^\s*#define\s+(ARCHLIB|SITEARCH|VENDORARCH)_EXP/)
{
$_ = "/*#define ". $1 . "_EXP \"\"\t/**/\n";
}
print H;
}
close(H);
close(SH);
chmod(0666,"../lib/CORE/config.h");
copy("$file.new","../lib/CORE/config.h") || die "Cannot copy:$!";
chmod(0444,"../lib/CORE/config.h");
if (compare("$file.new",$file))
{
warn "$file has changed\n";
chmod(0666,$file);
unlink($file);
rename("$file.new",$file);
#chmod(0444,$file);
exit(1);
}
else
{
unlink ("$file.new");
exit(0);
}
sub Config
{
my $var = shift;
my $val = $Config{$var};
$val = 'undef' unless defined $val;
$val =~ s/\\/\\\\/g;
return $val;
}
sub BackTick
{
my $cmd = shift;
if ($cmd =~ /^echo\s+(.*?)\s*\|\s+sed\s+'(.*)'\s*$/)
{
local ($data,$pat) = ($1,$2);
$data =~ s/\s+/ /g;
eval "\$data =~ $pat";
return $data;
}
else
{
die "Cannot handle \`$cmd\`";
}
return $cmd;
}
|
