message: Make the samples' precompiled headers reuse that from the utils project.
diff: @@ -169,7 +169,7 @@ option (VULKAN_HPP_PRECOMPILE "Precompile vulkan.hpp and vulkan_raii.hpp for sam
  function(vulkan_hpp__setup_sample)
  set(options)
  - set(oneValueArgs FOLDER NAME)
  + set(oneValueArgs FOLDER NAME PCH_REUSE)
  set(multiValueArgs HEADERS INCLUDE_DIRS LIBS PCH SOURCES)
  cmake_parse_arguments(TARGET "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
  @@ -188,9 +188,13 @@ function(vulkan_hpp__setup_sample)
  if (TARGET_FOLDER)
  set_target_properties(${TARGET_NAME} PROPERTIES FOLDER "${TARGET_FOLDER}")
  endif()
  - if (VULKAN_HPP_PRECOMPILE AND TARGET_PCH)
  + if (VULKAN_HPP_PRECOMPILE)
  + if (TARGET_PCH_REUSE)
  + target_precompile_headers(${TARGET_NAME} REUSE_FROM "${TARGET_PCH_REUSE}")
  + elseif (TARGET_PCH)
  target_precompile_headers(${TARGET_NAME} PRIVATE "${TARGET_PCH}")
  endif()
  + endif()
  if (TARGET_LIBS)
  target_link_libraries(${TARGET_NAME} PRIVATE "${TARGET_LIBS}")
  endif()
  @@ -232,7 +236,7 @@ function(vulkan_hpp__setup_sample_dynamic)
  vulkan_hpp__setup_sample(
  NAME ${TARGET_NAME}
  FOLDER Samples
  - PCH <vulkan/vulkan.hpp>
  + PCH_REUSE utils
  INCLUDE_DIRS ${TARGET_INCLUDE_DIRS}
  HEADERS ${TARGET_HEADERS}
  SOURCES ${TARGET_SOURCES}
  @@ -253,7 +257,7 @@ function(vulkan_hpp__setup_sample_raii)
  vulkan_hpp__setup_sample(
  NAME RAII_${TARGET_NAME}
  FOLDER RAII_Samples
  - PCH <vulkan/vulkan_raii.hpp>
  + PCH_REUSE utils
  INCLUDE_DIRS ${TARGET_INCLUDE_DIRS}
  HEADERS ${TARGET_HEADERS}
  SOURCES ${TARGET_SOURCES}
  