From aa6cbf911ed3e2117697372cdd2a5d9fcae6ea5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sat, 24 May 2025 08:27:05 +0200
Subject: [PATCH] tests/fuzz: add link option `-fsanitize=fuzzer-no-link` when
 fuzzer sanitizer is used

---
 tests/fuzz/CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tests/fuzz/CMakeLists.txt b/tests/fuzz/CMakeLists.txt
index 72674e567..2819ce8f2 100644
--- a/tests/fuzz/CMakeLists.txt
+++ b/tests/fuzz/CMakeLists.txt
@@ -25,6 +25,10 @@ if(NOT DEFINED ENV{LIB_FUZZING_ENGINE})
   set(ENV{LIB_FUZZING_ENGINE} "-fsanitize=address,fuzzer")
 endif()
 
+if ("$ENV{LIB_FUZZING_ENGINE}" MATCHES "-fsanitize=.*fuzzer")
+  set(ENV{LIB_FUZZING_ENGINE} "$ENV{LIB_FUZZING_ENGINE};-fsanitize=fuzzer-no-link")
+endif()
+
 remove_definitions(-DHAVE_CONFIG_H)
 include_directories(
   ${PROJECT_BINARY_DIR}
@@ -98,6 +102,6 @@ set(FUZZ_CORE_TARGETS calc eval crypto secure string utf8 util)
 foreach(fuzz_target ${FUZZ_CORE_TARGETS})
   add_executable(weechat_core_${fuzz_target}_fuzzer core/${fuzz_target}-fuzzer.cc)
   target_link_libraries(weechat_core_${fuzz_target}_fuzzer ${FUZZ_TARGET_LINK} coverage_config)
-  set_target_properties(weechat_core_${fuzz_target}_fuzzer PROPERTIES LINK_FLAGS "$ENV{LIB_FUZZING_ENGINE}")
+  set_target_properties(weechat_core_${fuzz_target}_fuzzer PROPERTIES LINK_OPTIONS "$ENV{LIB_FUZZING_ENGINE}")
   add_dependencies(weechat_core_${fuzz_target}_fuzzer ${FUZZ_TARGET_DEPS})
 endforeach()