build: only build the fuzzer when appropriate

This is a test binary, only build it if testing is enabled.

Author: compnerd

src/CMakeLists.txt

@@ -176,12 +176,3 @@ endif()
 CONFIGURE_FILE(
   ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
   ${CMAKE_CURRENT_BINARY_DIR}/config.h)
-
-if(CMARK_LIB_FUZZER)
-  add_executable(cmark-fuzz ../test/cmark-fuzz.c ${LIBRARY_SOURCES})
-  target_link_libraries(cmark-fuzz "${CMAKE_LIB_FUZZER_PATH}")
-  # cmark is written in C but the libFuzzer runtime is written in C++ which
-  # needs to link against the C++ runtime.
-  set_target_properties(cmark-fuzz PROPERTIES
-    LINKER_LANGUAGE CXX)
-endif()

test/CMakeLists.txt

@@ -92,3 +92,15 @@ else(Python3_Interpreter_FOUND)
   message(WARNING "A python 3 interpreter is required to run the spec tests")
 
 endif(Python3_Interpreter_FOUND)
+
+
+if(CMARK_LIB_FUZZER)
+  add_executable(cmark-fuzz cmark-fuzz.c)
+  target_link_libraries(cmark-fuzz PRIVATE
+    libcmark-gfm_static
+    "${CMAKE_LIB_FUZZER_PATH}")
+  # cmark is written in C but the libFuzzer runtime is written in C++ which
+  # needs to link against the C++ runtime.
+  set_target_properties(cmark-fuzz PROPERTIES
+    LINKER_LANGUAGE CXX)
+endif()