Add explicit compile errors when cfg=fuzzing is mis-set

fuzz/src/bin/chanmon_consistency_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::chanmon_consistency::*;
 

fuzz/src/bin/chanmon_deser_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::chanmon_deser::*;
 

fuzz/src/bin/full_stack_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::full_stack::*;
 

fuzz/src/bin/msg_accept_channel_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_accept_channel::*;
 

fuzz/src/bin/msg_announcement_signatures_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_announcement_signatures::*;
 

fuzz/src/bin/msg_channel_announcement_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_channel_announcement::*;
 

fuzz/src/bin/msg_channel_reestablish_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_channel_reestablish::*;
 

fuzz/src/bin/msg_channel_update_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_channel_update::*;
 

fuzz/src/bin/msg_closing_signed_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_closing_signed::*;
 

fuzz/src/bin/msg_commitment_signed_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_commitment_signed::*;
 

fuzz/src/bin/msg_decoded_onion_error_packet_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_decoded_onion_error_packet::*;
 

fuzz/src/bin/msg_error_message_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_error_message::*;
 

fuzz/src/bin/msg_funding_created_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_funding_created::*;
 

fuzz/src/bin/msg_funding_locked_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_funding_locked::*;
 

fuzz/src/bin/msg_funding_signed_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_funding_signed::*;
 

fuzz/src/bin/msg_gossip_timestamp_filter_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_gossip_timestamp_filter::*;
 

fuzz/src/bin/msg_init_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_init::*;
 

fuzz/src/bin/msg_node_announcement_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_node_announcement::*;
 

fuzz/src/bin/msg_onion_hop_data_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_onion_hop_data::*;
 

fuzz/src/bin/msg_open_channel_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_open_channel::*;
 

fuzz/src/bin/msg_ping_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_ping::*;
 

fuzz/src/bin/msg_pong_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_pong::*;
 

fuzz/src/bin/msg_query_channel_range_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_query_channel_range::*;
 

fuzz/src/bin/msg_query_short_channel_ids_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_query_short_channel_ids::*;
 

fuzz/src/bin/msg_reply_channel_range_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_reply_channel_range::*;
 

fuzz/src/bin/msg_reply_short_channel_ids_end_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_reply_short_channel_ids_end::*;
 

fuzz/src/bin/msg_revoke_and_ack_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_revoke_and_ack::*;
 

fuzz/src/bin/msg_shutdown_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_shutdown::*;
 

fuzz/src/bin/msg_update_add_htlc_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_update_add_htlc::*;
 

fuzz/src/bin/msg_update_fail_htlc_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_update_fail_htlc::*;
 

fuzz/src/bin/msg_update_fail_malformed_htlc_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_update_fail_malformed_htlc::*;
 

fuzz/src/bin/msg_update_fee_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_update_fee::*;
 

fuzz/src/bin/msg_update_fulfill_htlc_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::msg_targets::msg_update_fulfill_htlc::*;
 

fuzz/src/bin/peer_crypt_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::peer_crypt::*;
 

fuzz/src/bin/router_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::router::*;
 

fuzz/src/bin/target_template.txt

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::TARGET_MOD::*;
 

fuzz/src/bin/zbase32_target.rs

@@ -12,6 +12,9 @@
 
 #![cfg_attr(feature = "libfuzzer_fuzz", no_main)]
 
+#[cfg(not(fuzzing))]
+compile_error!("Fuzz targets need cfg=fuzzing");
+
 extern crate lightning_fuzz;
 use lightning_fuzz::zbase32::*;
 

lightning/src/lib.rs

@@ -36,6 +36,9 @@
 #[cfg(not(any(feature = "std", feature = "no-std")))]
 compile_error!("at least one of the `std` or `no-std` features must be enabled");
 
+#[cfg(all(fuzzing, test))]
+compile_error!("Tests will always fail with cfg=fuzzing");
+
 #[macro_use]
 extern crate alloc;
 extern crate bitcoin;