tests: only enable fuzz testing if ENABLE_FUZZ_TEST defined

.github/workflows/build.yml

@@ -14,7 +14,7 @@ on:
 env:
   REMOVE_BUNDLED_PACKAGES : sudo rm -rf /usr/local
   # ARCH="default" (not "native") ensures, that a different execution host can execute binaries compiled elsewhere.
-  BUILD_DEFAULT_LINUX: 'cmake -S . -B build -D ARCH="default" -D BUILD_TESTS=ON -D CMAKE_BUILD_TYPE=Release && cmake --build build --target all && cmake --build build --target wallet_api'
+  BUILD_DEFAULT_LINUX: 'cmake -S . -B build -D ARCH="default" -D BUILD_TESTS=ON -D ENABLE_FUZZ_TEST=ON -D CMAKE_BUILD_TYPE=Release && cmake --build build --target all && cmake --build build --target wallet_api'
   APT_INSTALL_LINUX: 'apt -y install build-essential cargo cmake libboost-all-dev miniupnpc libunbound-dev graphviz doxygen libunwind8-dev pkg-config libssl-dev libzmq3-dev libsodium-dev libhidapi-dev libusb-1.0-0-dev libprotobuf-dev protobuf-compiler ccache curl git'
   APT_SET_CONF: |
     tee -a /etc/apt/apt.conf.d/80-custom << EOF

CMakeLists.txt

@@ -1152,6 +1152,7 @@ add_subdirectory(contrib)
 add_subdirectory(src)
 
 find_package(PythonInterp)
+option(ENABLE_FUZZ_TEST "Enable fuzz testing." OFF)
 if(BUILD_TESTS)
   message(STATUS "Building tests")
   add_subdirectory(tests)

tests/CMakeLists.txt

@@ -53,7 +53,9 @@ if (CMAKE_BUILD_TYPE STREQUAL "fuzz" OR OSSFUZZ)
   add_subdirectory(fuzz)
 else ()
   add_subdirectory(core_tests)
-  add_subdirectory(fuzz)
+  if (ENABLE_FUZZ_TEST)
+    add_subdirectory(fuzz)
+  endif()
   add_subdirectory(crypto)
   add_subdirectory(functional_tests)
   add_subdirectory(performance_tests)