cmake: fix warnings

Author: jcarpent

bindings/python/CMakeLists.txt

@@ -1,7 +1,7 @@
 include(../../cmake-module/python.cmake)
 
 findpython(REQUIRED Development.Module)
-file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/external/ pybind11)
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/external/pybind11)
 add_subdirectory(external/pybind11
                  ${CMAKE_CURRENT_BINARY_DIR}/external/pybind11)
 

examples/CMakeLists.txt

@@ -11,7 +11,7 @@ if(TEST_JULIA_INTERFACE)
   if(NOT Julia_PyCall_found)
     message(
       FATAL_ERROR
-        'PyCall not installed. Please use import Pkg; Pkg.add("PyCall")')
+        "PyCall not installed. Please use import Pkg; Pkg.add(\"PyCall\")")
   endif()
   add_subdirectory(julia)
 endif()

examples/python/CMakeLists.txt

@@ -1,7 +1,6 @@
 add_custom_target(example-py)
 
 file(GLOB_RECURSE ${PROJECT_NAME}_PYTHON_EXAMPLES *.py)
-message(${${PROJECT_NAME}_PYTHON_EXAMPLES})
 
 foreach(EXAMPLE ${${PROJECT_NAME}_PYTHON_EXAMPLES})
   string(REGEX REPLACE "${PROJECT_SOURCE_DIR}/examples/python/" "" EXAMPLE