+ if (my ($version) = /^Exim version (\S+)/) {
+ my $git = `git describe --dirty=-XX --match 'exim-4*'`;
+ if (defined $git and $? == 0) {
+ chomp $git;
+ $version =~ s/^\d+\K\./_/;
+ $git =~ s/^exim-//i;
+ $git =~ s/.*-\Kg([[:xdigit:]]+(?:-XX)?)/$1/;
+ print "\n*** Version mismatch (Exim: $version vs. GIT: $git). ***\n\n"
+ if not $version eq $git;
+ }
+ }