diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5c6ef4c..4167825 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ on:
 
 jobs:
 
-  packaging:
+  testing:
 
     runs-on: ubuntu-latest
 
@@ -25,19 +25,5 @@ jobs:
         with:
             python-version: '3.11'
 
-      - name: Package
-        run: |
-              python -m pip install build
-              python -m build
-
-      - name: Install wheel
-        run: |
-              python -m pip install dist/*.whl
-
-      - name: Delete the repo
-        run: |
-              rm -rf *
-      
-      - name: Run tests shipped with the package
-        run: |
-              python -m project_euromir.tests
+      - name: Test using makefile
+        run: make test
diff --git a/.gitignore b/.gitignore
index 2cce527..02c51ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,8 @@ htmlcov/
 
 # C extensions
 *.so
+*.dylib
+*.dll
 
 # misc
 .DS_Store
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30a8bbb..1167578 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 3.10.1)
 project(project_euromir)
-set(src "project_euromir")
-set(linear_algebra_src "project_euromir/linear_algebra.c")
-add_library(linear_algebra SHARED ${linear_algebra_src})
\ No newline at end of file
+set(SRC
+  project_euromir/linear_algebra.c
+)
+add_library(project_euromir SHARED ${SRC})
diff --git a/DISABLED_PY_PROJECT.toml b/DISABLED_PY_PROJECT.toml
index ca8eb90..3933f0f 100644
--- a/DISABLED_PY_PROJECT.toml
+++ b/DISABLED_PY_PROJECT.toml
@@ -10,8 +10,7 @@ dependencies = ['numpy', 'scipy']
 [project.optional-dependencies]
 docs = ["sphinx"]
 dev = [
-    "build", "twine", "pylint", "isort", "autopep8", "docformatter", "numpy",
-    "scipy"]
+    "build", "twine", "pylint", "isort", "autopep8", "docformatter"]
 
 [build-system]
 requires = ["setuptools", "cmake"]
diff --git a/setup.py b/DISABLED_SETUP.py
similarity index 100%
rename from setup.py
rename to DISABLED_SETUP.py
diff --git a/Makefile b/Makefile
index c6444b8..e9dd62e 100644
--- a/Makefile
+++ b/Makefile
@@ -26,14 +26,17 @@ endif
 
 .PHONY: env clean update test lint docs fix release build
 
-env:  ## create environment
-	$(PYTHON) -m venv $(VENV_OPTS) $(ENVDIR)
-	$(BINDIR)/python -m pip install .[dev,docs]
+# env: build ## create environment
+# 	$(PYTHON) -m venv $(VENV_OPTS) $(ENVDIR)
+# 	$(BINDIR)/python -m pip install numpy scipy
 
 build: ## build locally (instead of editable install)
-	cmake -S . -B $(BUILDDIR)
+	cmake -B$(BUILDDIR)
 	cmake --build $(BUILDDIR)
-	cp $(BUILDDIR)/*.so $(PROJECT)/
+	cp $(BUILDDIR)/*.so $(PROJECT)/ || true
+	cp $(BUILDDIR)/*.dylib $(PROJECT)/ || true
+	cp $(BUILDDIR)/*.dll $(PROJECT)/ || true
+
 
 clean:  ## clean environment
 	-rm -rf $(DOCBUILDDIR)/*
@@ -59,10 +62,10 @@ fix:  ## auto-fix Python code
 	# this is the best found for the purpose
 	docformatter -r --in-place $(PROJECT)
 
-release: update lint test  ## update version, publish to PyPI
-	python -m build
-	twine check dist/*
-	# twine upload --skip-existing dist/*
+# release: update lint test  ## update version, publish to PyPI
+# 	python -m build
+#	twine check dist/*
+#	twine upload --skip-existing dist/*
 
 # Thanks to Francoise at marmelab.com for this
 .DEFAULT_GOAL := help
diff --git a/project_euromir/__init__.py b/project_euromir/__init__.py
index 734eba4..725498f 100644
--- a/project_euromir/__init__.py
+++ b/project_euromir/__init__.py
@@ -30,18 +30,10 @@
 
 __version__ = '0.0.1'
 import pathlib
-import platform
 from ctypes import cdll
 
-if platform.system() == 'Linux':
-    _ext = 'so'
-elif platform.system() == 'Windows':
-    _ext = 'dll'
-elif platform.system() == 'Darwin':
-    _ext = 'dylib'
+for fname in pathlib.Path(__file__).parent.iterdir():
+    if fname.suffix in ['.so', '.dll', '.dylib']:
+        LIBRARY = cdll.LoadLibrary(fname)
 
-_libname = str(pathlib.Path(__file__).with_name('liblinear_algebra.' + _ext))
-
-linear_algebra = cdll.LoadLibrary(_libname)
-
-assert hasattr(linear_algebra, 'csc_matvec')
+assert hasattr(LIBRARY, 'csc_matvec')
diff --git a/project_euromir/libproject_euromir.so b/project_euromir/libproject_euromir.so
new file mode 100755
index 0000000..b39211c
Binary files /dev/null and b/project_euromir/libproject_euromir.so differ