fix : ninja must be preinstalled via apt to run

README.md

@@ -5,15 +5,20 @@
 You can find here the C++ code of the Core library of Aidge.
 
 ## Pip installation
-
-
+### Requirement
+```
+apt install ninja-build 
+```
+or set your build backend to the backend of your choice (`cmake -G` to list them) by creating the environment variable `AIDGE_BUILD_GEN`
+### Installation
 
 To install aidge_core using pip, run the following command in your python environnement :
 ``` bash
 pip install . -v
 ```
 
-**Note:** you can specify a custom install folder by setting an environment variable:
+### Specify the installation folder 
+By setting an environment variable:
 
 ``` bash
 export AIDGE_INSTALL='<path_to_aidge>/install'

pyproject.toml

@@ -24,7 +24,6 @@ requires = [
     "setuptools>=64",
     "setuptools_scm[toml]==7.1.0",
     "cmake>=3.27.9",
-    "ninja>=1.10.1",
     "toml"
 ]
 build-backend = "setuptools.build_meta"

setup.py

@@ -101,7 +101,6 @@ class CMakeBuild(build_ext):
 
 if __name__ == "__main__":
     setup(
-        include_package_data=True,
         ext_modules=[CMakeExtension(get_project_name())],
         cmdclass={
             "build_ext": CMakeBuild,