Include Symbolizer in Folly CMake build

Summary: autotools-based builds are being deprecated, but they lack the symbolizer library target.

Reviewed By: yfeldblum

Differential Revision: D9216312

fbshipit-source-id: 585ce3c43a0800823c7de4ece99b56a1af82bae4

folly/CMakeLists.txt

@@ -13,3 +13,4 @@ install(
 )
 
 add_subdirectory(experimental/exception_tracer)
+add_subdirectory(experimental/symbolizer)

folly/experimental/symbolizer/CMakeLists.txt

+if (FOLLY_USE_SYMBOLIZER)
+  file(GLOB files *.cpp)
+  add_library(
+    folly_symbolizer
+    ${files}
+  )
+  apply_folly_compile_options_to_target(folly_symbolizer)
+  target_link_libraries(
+    folly_symbolizer
+    PUBLIC folly
+  )
+endif()