fix(frida): propagate cc's environment when building the test harness

crates/libafl_frida/build.rs

@@ -38,6 +38,12 @@ fn main() {
         let mut cmd = std::process::Command::new(compiler.path());
         let cmd = cmd
             .args(compiler.args())
+            // Propagate the environment `cc` set up for the compiler (on
+            // MSVC: the INCLUDE/LIB/PATH it discovered via vswhere/registry)
+            // so the direct `cl.exe` invocation works outside a Visual Studio
+            // developer shell, where INCLUDE/LIB are not set. Without this,
+            // cl.exe fails with `C1034: stdint.h: no include path set`.
+            .envs(compiler.env().iter().map(|(key, value)| (key, value)))
             .arg("test_harness.cpp")
             .arg("/link");
 

fuzzers/forkserver/libafl-fuzz/src/fuzzer.rs

@@ -283,21 +283,20 @@ define_run_client!(state, mgr, fuzzer_dir, core_id, opt, is_main_node, {
     // Create our Scheduler
     // Our scheduler can either be a Queue
     // Or a "Weighted Random" which prioritizes entries that take less time and hit more edges
-    let scheduler;
-    if opt.sequential_queue {
-        scheduler = SupportedSchedulers::Queue(QueueScheduler::new(), PhantomData);
+    let scheduler = if opt.sequential_queue {
+        SupportedSchedulers::Queue(QueueScheduler::new(), PhantomData)
     } else {
         let ps = PowerSchedule::new(strategy);
         let mut weighted_scheduler =
             StdWeightedScheduler::with_schedule(&mut state, &edges_observer, Some(ps));
         if opt.cycle_schedules {
             weighted_scheduler = weighted_scheduler.cycling_scheduler();
         }
-        scheduler = SupportedSchedulers::Weighted(
+        SupportedSchedulers::Weighted(
             IndexesLenTimeMinimizerScheduler::new(&edges_observer, weighted_scheduler),
             PhantomData,
-        );
-    }
+        )
+    };
 
     // Create our Fuzzer
     let mut fuzzer = StdFuzzer::new(scheduler, feedback, objective);