try to fix compilation on *BSD

Change-Id: I81913ed6cc512fe372de7cb099725cac056bb09e

Author: rdementi

src/CMakeLists.txt

@@ -50,8 +50,10 @@ if(UNIX)  # LINUX, FREE_BSD, APPLE
         add_subdirectory(MacMSRDriver)
         include_directories("${CMAKE_SOURCE_DIR}/src/MacMSRDriver") # target_include_directories doesn't work
         target_link_libraries(PCM_SHARED PRIVATE PCM_STATIC_SILENT PcmMsr Threads::Threads)
-    else()
+    elseif(LINUX)
         target_link_libraries(PCM_SHARED PRIVATE PCM_STATIC_SILENT Threads::Threads asan)
+    else()
+        target_link_libraries(PCM_SHARED PRIVATE PCM_STATIC_SILENT Threads::Threads)
     endif()
     set_target_properties(PCM_SHARED PROPERTIES OUTPUT_NAME pcm)
 endif()