运行之前

0_cmake_library/register/export.cmake

@@ -5,5 +5,8 @@ include("${CMAKE_CURRENT_LIST_DIR}/computer_graphics.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/libarchive.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/with_qt.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/osg_earth.cmake")
-include("${CMAKE_CURRENT_LIST_DIR}/vsg_cesium.cmake")
+
+if(DEFINED ENV{VULKAN_SDK} OR NOT "$ENV{VULKAN_SDK}" STREQUAL "")
+    include("${CMAKE_CURRENT_LIST_DIR}/vsg_cesium.cmake")
+endif ()
 

3rdParty/cmake/Qt5.cmake

@@ -3,22 +3,38 @@
 #set(CMAKE_AUTORCC ON)
 #set(CMAKE_AUTOUIC ON)
 
+macro(select_first_existing_directory out_var)
+    unset(${out_var})
+    foreach(candidate ${ARGN})
+        if(IS_DIRECTORY "${candidate}")
+            set(${out_var} "${candidate}")
+            break()
+        endif()
+    endforeach()
+    if(NOT DEFINED ${out_var})
+        message(FATAL_ERROR "No candidate directory exists for ${out_var}: ${ARGN}")
+    endif()
+endmacro()
 
 set(Qt5_Plugin_DIR)
 if(${G_Architecture_Name} MATCHES  "^cl_Windows" OR ${G_Architecture_Name} MATCHES "^vs")
 #    include_directories(C:/Qt/5.15.2/Src)
 #    set(Qt5_BaseDIR C:/Qt/5.15.2/msvc2019_64)
 
+
     set(ver 5.14.2)
+
+    set(qt_candidates
+            "D:/Qt/Qt${ver}"
+            "C:/Qt/Qt${ver}"
+            "D:/Qt/${ver}"
+            "C:/Qt/${ver}"
+    )
     set(t msvc2017_64)
-
-#    set(ver 5.15.2)
-#    set(t msvc2019_64)
-
-   set(qb D:/Qt/Qt${ver})
-    include_directories(${qb}/Src)
-    set(Qt5_BaseDIR ${qb}/${ver}/${t})
-    set(Qt5_Plugin_DIR ${Qt5_BaseDIR}/plugins)
+    select_first_existing_directory(qb ${qt_candidates})
+    include_directories("${qb}/Src")
+    set(Qt5_BaseDIR "${qb}/${ver}/${t}")
+    set(Qt5_Plugin_DIR "${Qt5_BaseDIR}/plugins")
 
 elseif(${G_Architecture_Name} MATCHES  "^gxx_Windows")
     set(Qt5_BaseDIR D:/Qt5.14.2/5.14.2/mingw73_64)