add a custom doc building and the install step for th C++ executables

setup.py

@@ -70,6 +70,7 @@ import subprocess
 from distutils.version import LooseVersion
 from setuptools import setup, Extension, find_packages
 from setuptools.command.build_ext import build_ext
+from setuptools import Command
 import pathlib
 
 here = pathlib.Path(__file__).parent.resolve()
@@ -104,7 +105,8 @@ class CMakeBuild(build_ext):
     def build_extension(self, ext):
         extdir = os.path.abspath(
             os.path.dirname(self.get_ext_fullpath(ext.name)))
-        cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
+        cmake_args = ['-DCMAKE_INSTALL_PREFIX=${CMAKE_SOURCE_DIR}',
+                      '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
                       '-DPYTHON_EXECUTABLE=' + sys.executable]
 
         cfg = 'Debug' if self.debug else 'Release'
@@ -131,8 +133,19 @@ class CMakeBuild(build_ext):
                               cwd=self.build_temp, env=env)
         subprocess.check_call(['cmake', '--build', '.'] + build_args,
                               cwd=self.build_temp)
+        subprocess.check_call(['cmake', '--install', '.'],
+                              cwd=self.build_temp)
         print()  # Add an empty line for cleaner output
 
+class MakeDoc(Command):
+    user_options = []
+    def initialize_options(self):
+        pass
+    def finalize_options(self):
+        pass
+    def run(self):
+        cmd="doxygen Doxyfile"
+        subprocess.check_call(['doxygen', 'Doxyfile'], cwd='doc')
 
 setup(
     name='lephare',
@@ -148,9 +161,9 @@ setup(
     ext_modules=[CMakeExtension('lephare._lephare')],
     include_package_data=True,
     # add custom build_ext command
-    cmdclass=dict(build_ext=CMakeBuild),
+    cmdclass=dict(build_ext=CMakeBuild, doc=MakeDoc),
     zip_safe=False,
     python_requires=">=3.8",
-    extras_require={"test": "pytest"}
+    extras_require={"test": "pytest"},
 )