Add sanitizer support for clang/mac

Author: AdamGlustein

Makefile

@@ -91,8 +91,18 @@ test-py: ## Clean and Make unit tests
 	python -m pytest -v csp/tests --junitxml=junit.xml $(TEST_ARGS)
 
 test-py-sanitizer: ## Clean and Make unit tests with sanitizers enabled
-	ASAN_OPTIONS=detect_leaks=0,detect_stack_use_after_return=true,use_odr_indicator=1,strict_init_order=true,strict_string_checks=true LD_PRELOAD=$$(gcc -print-file-name=libasan.so) \
-	python -m pytest -v csp/tests --junitxml=junit.xml $(TEST_ARGS)
+	@if [ "$$(uname -s)" = "Darwin" ]; then \
+		ASAN_OPTIONS=detect_leaks=0,detect_stack_use_after_return=true,use_odr_indicator=1,strict_init_order=true,strict_string_checks=true \
+		DYLD_INSERT_LIBRARIES=$$($(CXX) -print-file-name=libclang_rt.asan_osx_dynamic.dylib) \
+		python -m pytest -v csp/tests --junitxml=junit.xml $(TEST_ARGS); \
+	elif [ "$$(uname -s)" = "Linux" ]; then \
+		ASAN_OPTIONS=detect_leaks=0,detect_stack_use_after_return=true,use_odr_indicator=1,strict_init_order=true,strict_string_checks=true \
+		LD_PRELOAD=$$($(CXX) -print-file-name=libasan.so) \
+		python -m pytest -v csp/tests --junitxml=junit.xml $(TEST_ARGS); \
+	else \
+		echo "Unsupported platform: $$(uname -s)"; \
+		exit 1; \
+	fi
 
 test-cpp: ## Make C++ unit tests
 ifneq ($(OS),Windows_NT)

cpp/cmake/modules/Findcsp_autogen.cmake

@@ -27,13 +27,25 @@ function(csp_autogen MODULE_NAME DEST_FILENAME HEADER_NAME_OUTVAR SOURCE_NAME_OU
     endif()
 
     if(CSP_ENABLE_ASAN)
-        execute_process(
-            COMMAND gcc -print-file-name=libasan.so
-            OUTPUT_VARIABLE ASAN_LIB_PATH
-            OUTPUT_STRIP_TRAILING_WHITESPACE
-        )
-        # Turn off leak checks as we are using PyMalloc when we run autogen
-        set(ASAN_PRELOAD_CMD "ASAN_OPTIONS=detect_leaks=0" "LD_PRELOAD=${ASAN_LIB_PATH}")
+        if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+            # Clang - use DYLD_INSERT_LIBRARIES
+            execute_process(
+                COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=libclang_rt.asan_osx_dynamic.dylib
+                OUTPUT_VARIABLE ASAN_LIB_PATH
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+            )
+            set(PRELOAD_CMD "DYLD_INSERT_LIBRARIES=${ASAN_LIB_PATH}")
+        elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+            # GCC - use LD_PRELOAD
+            execute_process(
+                COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=libasan.so
+                OUTPUT_VARIABLE ASAN_LIB_PATH
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+            )
+            set(PRELOAD_CMD "LD_PRELOAD=${ASAN_LIB_PATH}")
+        endif()
+        # Turn off leak checks as we are using PyMalloc when we run autogen 
+        set(ASAN_PRELOAD_CMD "ASAN_OPTIONS=detect_leaks=0" ${PRELOAD_CMD})
     else()
         set(ASAN_PRELOAD_CMD "")
     endif()