--- eccodes-1.4.1.unchanged/setup.py	2022-03-03 16:19:33.000000000 +0100
+++ eccodes-1.4.1.p1/setup.py	2022-03-12 16:16:26.764178798 +0100
@@ -54,6 +54,8 @@ setuptools.setup(
     license="Apache License Version 2.0",
     url="https://github.com/ecmwf/eccodes-python",
     packages=setuptools.find_packages(),
+    setup_requires=["cffi"],
+    cffi_modules=["builder.py:ffibuilder"],
     include_package_data=True,
     install_requires=install_requires,
     tests_require=[