test_common: print diagnostic for missing dependencies

The "#" prefix should prevent it from being too alarming if
a dependency is expected to be missing, but still useful if a
dependency is misconfigured.

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 83dcf650d9c915e5357725b6bb23fe8f5e259756..2e3e9eccce7980d424368e3337ee83bb0c3a4e54 100644 (file)
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -144,6 +144,7 @@ sub require_mods {
                        eval "require $mod";
                }
                if ($@) {
+                       diag "require $mod: $@";
                        push @need, $mod;
                } elsif ($mod eq 'IO::Socket::SSL' &&
                        # old versions of IO::Socket::SSL aren't supported