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|
#!/usr/bin/perl
# Check that the various config.sh-clones have (at least) all the
# same symbols as the top-level config_h.SH so that the (potentially)
# needed symbols are not lagging after how Configure thinks the world
# is laid out.
#
# VMS is probably not handled properly here, due to their own
# rather elaborate DCL scripting.
#
use strict;
use warnings;
use autodie;
sub usage
{
my $err = shift and select STDERR;
print "usage: $0 [--list]\n";
exit $err;
} # usage
use Getopt::Long;
my $opt_l = 0;
GetOptions (
"help|?" => sub { usage (0); },
"l|list!" => \$opt_l,
) or usage (1);
my $MASTER_CFG = "config_h.SH";
my @CFG = (
# we check from MANIFEST whether they are expected to be present.
# We can't base our check on $], because that's the version of the
# perl that we are running, not the version of the source tree.
"Cross/config.sh-arm-linux",
"epoc/config.sh",
"NetWare/config.wc",
"symbian/config.sh",
"uconfig.sh",
"uconfig64.sh",
"plan9/config_sh.sample",
"win32/config.bc",
"win32/config.gc",
"win32/config.gc64",
"win32/config.gc64nox",
"win32/config.vc",
"win32/config.vc64",
"win32/config.ce",
"configure.com",
"Porting/config.sh",
);
my @MASTER_CFG;
{
my %seen;
open my $fh, '<', $MASTER_CFG;
while (<$fh>) {
while (/[^\\]\$([a-z]\w+)/g) {
my $v = $1;
next if $v =~ /^(CONFIG_H|CONFIG_SH)$/;
$seen{$v}++;
}
}
close $fh;
@MASTER_CFG = sort keys %seen;
}
my %MANIFEST;
{
open my $fh, '<', 'MANIFEST';
while (<$fh>) {
$MANIFEST{$1}++ if /^(.+?)\t/;
}
close $fh;
}
for my $cfg (sort @CFG) {
unless (exists $MANIFEST{$cfg}) {
print STDERR "[skipping not-expected '$cfg']\n";
next;
}
my %cfg;
open my $fh, '<', $cfg;
while (<$fh>) {
next if /^\#/ || /^\s*$/ || /^\:/;
if ($cfg eq 'configure.com') {
s/(\s*!.*|\s*)$//; # remove trailing comments or whitespace
next if ! /^\$\s+WC "(\w+)='(.*)'"$/;
}
# foo='bar'
# foo=bar
if (/^(\w+)='(.*)'$/) {
$cfg{$1}++;
}
elsif (/^(\w+)=(.*)$/) {
$cfg{$1}++;
}
elsif (/^\$\s+WC "(\w+)='(.*)'"$/) {
$cfg{$1}++;
} else {
warn "$cfg:$.:$_";
}
}
close $fh;
if ($cfg eq 'configure.com') {
$cfg{startperl}++; # Cheat.
}
my $problems;
for my $v (@MASTER_CFG) {
exists $cfg{$v} and next;
if ($opt_l) {
# print the name once, for the first problem we encounter.
print "$cfg\n" unless $problems++;
}
else {
print "$cfg: missing '$v'\n";
}
}
}
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