!7569 Fix cannot find python-dev

Merge pull request !7569 from zhoufeng/master-bak

cmake/check_requirements.cmake

@@ -19,9 +19,14 @@ set(Python3_USE_STATIC_LIBS FALSE)
 find_package(Python3 COMPONENTS Interpreter Development)
 if (Python3_FOUND)
     message("Python3 found, version: ${Python3_VERSION}")
-    message("Python3 library path: ${Python3_LIBRARY_DIRS}")
+    message("Python3 library path: ${Python3_LIBRARY}")
     message("Python3 interpreter: ${Python3_EXECUTABLE}")
-    else()
+elseif (Python3_LIBRARY AND Python3_EXECUTABLE AND
+        ${Python3_VERSION} VERSION_GREATER_EQUAL "3.7.0" AND ${Python3_VERSION} VERSION_LESS "3.8.0")
+    message(WARNING "Maybe python3 environment is broken.")
+    message("Python3 library path: ${Python3_LIBRARY}")
+    message("Python3 interpreter: ${Python3_EXECUTABLE}")
+else ()
     message(FATAL_ERROR "Python3 not found, please install Python>=3.7.5, and set --enable-shared "
             "if you are building Python locally")
 endif ()