+ # drop gnutls version strings
+ next if /GnuTLS compile-time version: \d+[\.\d]+$/;
+ next if /GnuTLS runtime version: \d+[\.\d]+$/;
+
+ # drop openssl version strings
+ next if /OpenSSL compile-time version: OpenSSL \d+[\.\da-z]+/;
+ next if /OpenSSL runtime version: OpenSSL \d+[\.\da-z]+/;
+
+ # drop lookups
+ next if /^Lookups \(built-in\):/;
+ next if /^Loading lookup modules from/;
+ next if /^Loaded \d+ lookup modules/;
+ next if /^Total \d+ lookups/;
+
+ # drop compiler information
+ next if /^Compiler:/;
+
+ # and the ugly bit
+ # different libraries will have different numbers (possibly 0) of follow-up
+ # lines, indenting with more data
+ if (/^Library version:/) {
+ while (1) {
+ $_ = <IN>;
+ next if /^\s/;
+ goto RESET_AFTER_EXTRA_LINE_READ;
+ }
+ }
+
+ # drop other build-time controls emitted for debugging
+ next if /^WHITELIST_D_MACROS:/;
+ next if /^TRUSTED_CONFIG_LIST:/;
+
+ # As of Exim 4.74, we log when a setgid fails; because we invoke Exim
+ # with -be, privileges will have been dropped, so this will always
+ # be the case
+ next if /^changing group to \d+ failed: Operation not permitted/;
+
+ # We invoke Exim with -D, so we hit this new messag as of Exim 4.73:
+ next if /^macros_trusted overridden to true by whitelisting/;
+