62 lines
1.7 KiB
Perl
Executable File
62 lines
1.7 KiB
Perl
Executable File
#!/usr/bin/perl -w
|
|
|
|
# This script finishes the job started by config.status by replacing the variables
|
|
# of the form ${...} which were inserted into the file(s) by config.status.
|
|
|
|
# Read all files with a single read statement
|
|
$/ = undef;
|
|
|
|
# List of variables to replace
|
|
my %configvars = (
|
|
"prefix" => { "value" => '@prefix@'},
|
|
"exec_prefix" => { "value" => '@exec_prefix@'},
|
|
);
|
|
|
|
sub replace_var {
|
|
my $filep = shift;
|
|
my $cvp = shift;
|
|
my $varname = shift;
|
|
|
|
return if( $cvp->{ $varname}->{ "replaced"});
|
|
if( defined( $cvp->{ $varname}->{ "dependency"})) {
|
|
if( !$cvp->{ $cvp->{ $varname}->{ "dependency"}}->{ "replaced"}) {
|
|
# If a dependency exists and it is not already replaced, replace it
|
|
replace_var( $filep, $cvp, $cvp->{ $varname}->{ "dependency"});
|
|
}
|
|
}
|
|
my $replacement = $cvp->{ $varname}->{ "value"};
|
|
$$filep =~ s/\${$varname}/$replacement/g;
|
|
$cvp->{ $varname}->{ "replaced"} = 1;
|
|
}
|
|
|
|
# Figure out the dependencies.
|
|
foreach my $cv ( keys %configvars ) {
|
|
if( $configvars{ $cv}->{ "value"} =~ /\${([^}]+)}/) {
|
|
my $dependency = $1;
|
|
if( exists( $configvars{ $dependency})) {
|
|
$configvars{ $dependency}->{ "dependency"} = $cv;
|
|
}
|
|
$configvars{ $cv}->{ "replaced"} = 0;
|
|
}
|
|
}
|
|
|
|
# Process each file
|
|
while ($f = shift @ARGV) {
|
|
|
|
# Read in the file
|
|
open( FILE, $f) || die "Unable to open $f for reading";
|
|
my $file = <FILE>;
|
|
close( FILE) || die "Unable to close $f after reading";
|
|
|
|
# Replace each of the variables we know about
|
|
foreach $cv ( keys %configvars ) {
|
|
replace_var( \$file, \%configvars, $cv);
|
|
}
|
|
|
|
# Write out the replacements
|
|
open( FILE, ">$f") || die "Unable to open $f for writing";
|
|
print FILE $file;
|
|
close( FILE) || die "Unable to close $f after writing";
|
|
|
|
}
|