From d4cf18d668badb8c972a988654f78c00451b6141 Mon Sep 17 00:00:00 2001
From: selsta <selsta@sent.at>
Date: Fri, 26 Jun 2026 00:01:54 +0200
Subject: [PATCH] tests: fix local AFL fuzz target build

---
 Makefile              | 4 ++--
 tests/fuzz/fuzzer.cpp | 8 +++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index 7b2798bf8..434ae3a24 100644
--- a/Makefile
+++ b/Makefile
@@ -102,7 +102,7 @@ coverage:
 
 fuzz:
 	mkdir -p $(builddir)/fuzz
-	cd $(builddir)/fuzz && cmake -D STATIC=ON -D SANITIZE=ON -D BUILD_TESTS=ON -D USE_LTO=OFF -D CMAKE_C_COMPILER=afl-gcc -D CMAKE_CXX_COMPILER=afl-g++ -D ARCH="x86-64" -D CMAKE_BUILD_TYPE=fuzz -D BUILD_TAG="linux-x64" $(topdir) && $(MAKE)
+	cd $(builddir)/fuzz && cmake -D STATIC=ON -D SANITIZE=ON -D BUILD_TESTS=ON -D USE_LTO=OFF -D CMAKE_C_COMPILER=afl-gcc -D CMAKE_CXX_COMPILER=afl-g++ -D ARCH="x86-64" -D CMAKE_BUILD_TYPE=fuzz -D BUILD_TAG="linux-x64" $(topdir) && $(MAKE) -C tests/fuzz
 
 clean:
 	@echo "WARNING: Back-up your wallet if it exists within ./"$(deldirs)"!" ; \
@@ -116,4 +116,4 @@ clean-all:
 	[ $$CONTINUE = "y" ] || [ $$CONTINUE = "Y" ] || (echo "Exiting."; exit 1;)
 	rm -rf ./build
 
-.PHONY: all cmake-debug debug debug-test debug-test-asan debug-asan debug-all cmake-release release release-test release-all clean
+.PHONY: all cmake-debug debug debug-test debug-test-asan debug-asan debug-all cmake-release release release-test release-all fuzz clean
diff --git a/tests/fuzz/fuzzer.cpp b/tests/fuzz/fuzzer.cpp
index efe473bf0..c881f87c9 100644
--- a/tests/fuzz/fuzzer.cpp
+++ b/tests/fuzz/fuzzer.cpp
@@ -35,8 +35,8 @@
 
 #ifndef OSSFUZZ
 
-#if (!defined(__clang__) || (__clang__ < 5))
-static int __AFL_LOOP(int)
+#ifndef __AFL_LOOP
+static int monero_fuzz_loop(int)
 {
   static int once = 0;
   if (once)
@@ -44,6 +44,8 @@ static int __AFL_LOOP(int)
   once = 1;
   return 1;
 }
+#else
+#define monero_fuzz_loop(n) __AFL_LOOP(n)
 #endif
 
 int run_fuzzer(int argc, const char **argv, Fuzzer &fuzzer)
@@ -65,7 +67,7 @@ int run_fuzzer(int argc, const char **argv, Fuzzer &fuzzer)
     return ret;
 
   const std::string filename = argv[1];
-  while (__AFL_LOOP(1000))
+  while (monero_fuzz_loop(1000))
   {
     ret = fuzzer.run(filename);
     if (ret)