CMake Error at CMakeLists.txt:255 (find_package):
  Could not find a package configuration file provided by "robin_hood" with
  any of the following names:

    robin_hoodConfig.cmake
    robin_hood-config.cmake

  Add the installation prefix of "robin_hood" to CMAKE_PREFIX_PATH or set
  "robin_hood_DIR" to a directory containing one of the above files.  If
  "robin_hood" provides a separate development package or SDK, be sure it has
  been installed.

--- CMakeLists.txt.orig	2022-03-16 04:06:06 UTC
+++ CMakeLists.txt
@@ -105,6 +105,8 @@ if (ROBIN_HOOD_HASHING_INSTALL_DIR)
 #backwards compatability settings for other parts of the build system that don't use find_package() variables yet
 if (ROBIN_HOOD_HASHING_INSTALL_DIR)
     list(APPEND CMAKE_PREFIX_PATH ${ROBIN_HOOD_HASHING_INSTALL_DIR})
+    add_library(robin_hood::robin_hood INTERFACE IMPORTED)
+    target_include_directories(robin_hood::robin_hood INTERFACE ${ROBIN_HOOD_HASHING_INSTALL_DIR}/src/include)
 endif()
 if (SPIRV_HEADERS_INSTALL_DIR)
     list(APPEND CMAKE_PREFIX_PATH ${SPIRV_HEADERS_INSTALL_DIR})