Support OS400 system (#139)

* Support OS400 system

* Try to make all platforms using the cmake instead of configure.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: GavinZhang <zhanggan@cn.ibm.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 3 people

CMakeLists.txt

@@ -88,12 +88,11 @@ if(UNIX AND NOT APPLE)
   # Dependencies
   find_package(PythonInterp REQUIRED)
 
-  set(ninja_executable ${Ninja_SOURCE_DIR}/ninja${CMAKE_EXECUTABLE_SUFFIX})
-  set(bootstrap_command ${PYTHON_EXECUTABLE} configure.py --bootstrap)
-  # Explicitly defining _BSD_SOURCE is required to support building the wheel on Alpine. See issue  #22
-  set(bootstrap_command ${CMAKE_COMMAND} -E env CXXFLAGS=-D_BSD_SOURCE ${bootstrap_command})
+  #configure.py is deprecated by ninja-build project.
+  set(ninja_executable ${Ninja_SOURCE_DIR}/cmake-build/ninja${CMAKE_EXECUTABLE_SUFFIX})
+  set(local_cmake_command ${CMAKE_COMMAND} -Bcmake-build -H. && ${CMAKE_COMMAND} --build cmake-build)
   add_custom_command(
-    COMMAND ${bootstrap_command}
+    COMMAND ${local_cmake_command}
     OUTPUT ${ninja_executable}
     WORKING_DIRECTORY ${Ninja_SOURCE_DIR}
     )