Index: folly-2019.05.06.00/CMakeLists.txt
===================================================================
--- folly-2019.05.06.00.orig/CMakeLists.txt
+++ folly-2019.05.06.00/CMakeLists.txt
@@ -109,17 +109,19 @@ configure_file(
 auto_sources(files "*.cpp" "RECURSE" "${FOLLY_DIR}")
 auto_sources(hfiles "*.h" "RECURSE" "${FOLLY_DIR}")

+string(REPLACE + \\+ FOLLY_DIR_ESCAPED ${FOLLY_DIR})
+
 # Exclude tests, benchmarks, and other standalone utility executables from the
 # library sources.  Test sources are listed separately below.
 REMOVE_MATCHES_FROM_LISTS(files hfiles
   MATCHES
-    "^${FOLLY_DIR}/build/"
-    "^${FOLLY_DIR}/experimental/exception_tracer/"
-    "^${FOLLY_DIR}/experimental/pushmi/"
-    "^${FOLLY_DIR}/futures/exercises/"
-    "^${FOLLY_DIR}/logging/example/"
-    "^${FOLLY_DIR}/(.*/)?test/"
-    "^${FOLLY_DIR}/tools/"
+    "^${FOLLY_DIR_ESCAPED}/build/"
+    "^${FOLLY_DIR_ESCAPED}/experimental/exception_tracer/"
+    "^${FOLLY_DIR_ESCAPED}/experimental/pushmi/"
+    "^${FOLLY_DIR_ESCAPED}/futures/exercises/"
+    "^${FOLLY_DIR_ESCAPED}/logging/example/"
+    "^${FOLLY_DIR_ESCAPED}/(.*/)?test/"
+    "^${FOLLY_DIR_ESCAPED}/tools/"
     "Benchmark.cpp$"
     "Test.cpp$"
 )
@@ -169,7 +171,7 @@ list(APPEND hfiles
 if (NOT FOLLY_USE_SYMBOLIZER)
   REMOVE_MATCHES_FROM_LISTS(files hfiles
     MATCHES
-      "^${FOLLY_DIR}/experimental/symbolizer/"
+      "^${FOLLY_DIR_ESCAPED}/experimental/symbolizer/"
   )
   list(REMOVE_ITEM files
     ${FOLLY_DIR}/SingletonStackTrace.cpp