chore: Add debug log for -P + other preprocessor option

diff --git a/src/argprocessing.cpp b/src/argprocessing.cpp
index 077704f02cb3f33f6e15c2f171352ddf19a260ba..6a504812e169c16e87d342df45a6d708331398b8 100644 (file)
--- a/src/argprocessing.cpp
+++ b/src/argprocessing.cpp
@@ -732,7 +732,8 @@ process_arg(const Context& ctx,
   if (util::starts_with(args[i], "-Wp,")) {
     if (args[i].find(",-P,") != std::string::npos
         || util::ends_with(args[i], ",-P")) {
-      // -P together with other preprocessor options is just too hard.
+      LOG("-P together with other preprocessor options is too hard: {}",
+          args[i]);
       return Statistic::unsupported_compiler_option;
     } else if (util::starts_with(args[i], "-Wp,-MD,")
                && args[i].find(',', 8) == std::string::npos) {