CMake: Handle building fuzzer with sanitizers

If any of the `CPPDAP_?SAN` sanitizers are enabled, then the build would fail as the compile flags would collide with hard-coded use of address sanitizer for the fuzzer. Don't hard code address sanitizer for the fuzzer - just use the CMake flag options.

CMake: Handle building fuzzer with sanitizers
78dd3ab5 · Ben Clayton · 13c9e7d4 · 78dd3ab5
Commit 78dd3ab5 authored Jun 08, 2020 by Ben Clayton
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CMakeLists.txt CMakeLists.txt +13 -2

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -235,8 +235,19 @@ if(CPPDAP_BUILD_FUZZER)
        ${CMAKE_CURRENT_SOURCE_DIR}/fuzz/fuzz.cpp
    )
    add_executable(cppdap-fuzzer ${DAP_FUZZER_LIST})
-    target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,address")
-    target_link_libraries(cppdap-fuzzer "-fsanitize=fuzzer,address")
+    if(CPPDAP_ASAN)
+        target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,address")
+        target_link_libraries(cppdap-fuzzer "-fsanitize=fuzzer,address")
+    elseif(CPPDAP_MSAN)
+        target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,memory")
+        target_link_libraries(cppdap-fuzzer "-fsanitize=fuzzer,memory")
+    elseif(CPPDAP_TSAN)
+        target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,thread")
+        target_link_libraries(cppdap-fuzzer "-fsanitize=fuzzer,thread")
+    else()
+        target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer")
+        target_link_libraries(cppdap-fuzzer "-fsanitize=fuzzer")
+    endif()
    target_include_directories(cppdap-fuzzer PUBLIC
        ${CPPDAP_INCLUDE_DIR}
        ${CPPDAP_SRC_DIR}