diff --git a/Makefile b/Makefile
index 0797d8d..ce8f7b7 100644
--- a/Makefile
+++ b/Makefile
@@ -68,7 +68,7 @@ cnn: $(BUILDDIR)/cnn-main;
 $(BUILDDIR)/cnn-main: $(CNN_SRCDIR)/main.c $(BUILDDIR)/cnn_train.o $(BUILDDIR)/cnn_cnn.o $(BUILDDIR)/cnn_creation.o $(BUILDDIR)/cnn_initialisation.o $(BUILDDIR)/cnn_make.o $(BUILDDIR)/cnn_neuron_io.o $(BUILDDIR)/cnn_function.o  $(BUILDDIR)/cnn_utils.o $(BUILDDIR)/cnn_free.o $(BUILDDIR)/cnn_convolution.o $(BUILDDIR)/colors.o $(BUILDDIR)/mnist.o
 	$(CC)  $(CFLAGS)  $^ -o $@
 
-$(BUILDDIR)/cnn-main-cuda: $(CNN_SRCDIR)/main.c $(BUILDDIR)/cnn_train.o $(BUILDDIR)/cnn_cnn.o $(BUILDDIR)/cnn_creation.o $(BUILDDIR)/cnn_initialisation.o $(BUILDDIR)/cnn_make.o $(BUILDDIR)/cnn_neuron_io.o $(BUILDDIR)/cnn_function.o  $(BUILDDIR)/cnn_utils.o $(BUILDDIR)/cnn_free.o $(BUILDDIR)/cnn_cuda_convolution.o $(BUILDDIR)/colors.o $(BUILDDIR)/mnist.o
+$(BUILDDIR)/cnn-main-cuda: $(BUILDDIR)/cnn_main.o $(BUILDDIR)/cnn_train.o $(BUILDDIR)/cnn_cnn.o $(BUILDDIR)/cnn_creation.o $(BUILDDIR)/cnn_initialisation.o $(BUILDDIR)/cnn_make.o $(BUILDDIR)/cnn_neuron_io.o $(BUILDDIR)/cnn_function.o  $(BUILDDIR)/cnn_utils.o $(BUILDDIR)/cnn_free.o $(BUILDDIR)/cnn_cuda_convolution.o $(BUILDDIR)/colors.o $(BUILDDIR)/mnist.o
 	$(NVCC)  $(NVCCFLAGS)  $^ -o $@
 
 $(BUILDDIR)/cnn_%.o: $(CNN_SRCDIR)/%.c $(CNN_SRCDIR)/include/%.h
@@ -107,7 +107,7 @@ build/test-cnn_%: test/cnn_%.c $(CNN_OBJ) $(BUILDDIR)/colors.o $(BUILDDIR)/mnist
 build/test-mnist_%: test/mnist_%.c $(MNIST_OBJ) $(BUILDDIR)/colors.o
 	$(CC)  $(CFLAGS)  $^ -o $@
 
-$(BUILDDIR)/test-cnn_%: test/cnn_%.cu $(BUILDDIR)/cnn_cuda_%.o $(BUILDDIR)/colors.o $(BUILDDIR)/mnist.o $(CNN_OBJ)
+$(BUILDDIR)/test-cnn_%: test/cnn_%.cu $(BUILDDIR)/cnn_cuda_%.o $(BUILDDIR)/colors.o $(BUILDDIR)/mnist.o
 ifndef NVCC_INSTALLED
 	@echo "nvcc not found, skipping"
 else
diff --git a/make.sh b/make.sh
deleted file mode 100755
index be6fc0b..0000000
--- a/make.sh
+++ /dev/null
@@ -1,206 +0,0 @@
-#!/bin/bash
-# C compiler can be defined with the $CC environment variable
-OUT="out"
-
-set -e
-
-compile_cuda () {
-	# nvcc will compile .c files as if they did not have
-	# CUDA program parts so we need to copy them to .cu
-	mv $1 "$1"u
-	echo "" > "$1" # If we compile file.cu, file.c needs to exist to, even if it is empty
-	nvcc "$1"u ${*:1}
-	mv "$1"u "$1"
-}
-
-build () {
-	mkdir -p "$OUT"
-	[[ $1 ]] || set "mnist-main"
-	case $1 in
-		"mnist-main")
-			echo "Compilation de src/mnist/main.c";
-			$CC src/mnist/main.c -o "$OUT/mnist_main" $FLAGS;
-			echo "Fait.";
-			return 0;;
-		"mnist-preview")
-			echo "Compilation de src/mnist/preview.c";
-			$CC src/mnist/preview.c -o "$OUT/mnist_preview" $FLAGS;
-			echo "Fait.";
-			return 0;;
-		"mnist-utils")
-			echo "Compilation de src/mnist/utils.c";
-			$CC "src/mnist/utils.c" -o "$OUT/mnist_utils" $FLAGS;
-			echo "Fait.";
-			return 0;;
-		"mnist")
-			build mnist-main;
-			build mnist-preview;
-			build mnist-utils;;
-
-		"cnn-main")
-			echo "Compilation de src/cnn/main.c";
-			$CC "src/cnn/main.c" -o "$OUT/cnn_main" $FLAGS;
-			echo "Fait.";;
-		"cnn")
-			build cnn-main;;
-
-		"test")
-			rm "$OUT/test_"* || true;
-			for i in "test/"*".c"; do
-				echo "Compilation de $i";
-				$CC "$i" -o "$OUT/test_$(echo $i | awk -F. '{print $1}' | awk -F/ '{print $NF}')" $FLAGS;
-				echo "Fait.";
-			done;
-			if ! command -v nvcc &> /dev/null; then
-				echo "Tests CUDA évités";
-			elif [[ $SKIP_CUDA == 1 ]]; then
-				echo "Tests CUDA évités";
-			else
-				for i in "test/"*".cu"; do
-					echo "Compilation de $i";
-					nvcc "$i" -o "$OUT/test_$(echo $i | awk -F. '{print $1}' | awk -F/ '{print $NF}')";
-					echo "Fait.";
-				done;
-			fi;
-			return 0;;
-		*)
-			echo -e "\033[1m\033[34m###  Building mnist  ###\033[0m";
-			build mnist-main;
-			build mnist-preview;
-			build mnist-utils;
-			echo -e "\033[1m\033[34m###   Building cnn   ###\033[0m";
-			build cnn;
-			echo -e "\033[1m\033[34m###  Building tests  ###\033[0m";
-			build test;
-			return 0;;
-	esac
-}
-
-preview () {
-	case $1 in
-		"train")
-			[[ -f "$OUT/mnist_preview" ]] || $0 build mnist-preview;
-			"$OUT/mnist_preview" data/mnist/train-images-idx3-ubyte data/mnist/train-labels-idx1-ubyte;
-			return 0;;
-		"t10k")
-			[[ -f "$OUT/mnist_preview" ]] || $0 build mnist-preview;
-			"$OUT/mnist_preview" data/mnist/t10k-images-idx3-ubyte data/mnist/t10k-labels-idx1-ubyte;
-			return 0;;
-		*)
-		build mnist-preview;
-		return 0;;
-	esac
-}
-
-test () {
-	case $1 in
-		"run")
-			build test;
-			mkdir -p .test-cache;
-			for i in "$OUT/test_"*; do
-				echo "--- $i ---";
-				$i;
-			done
-			for i in "test/"*".sh"; do
-				echo "--- $i ---";
-				chmod +x "$i";
-				"$i" "$OUT" "$0";
-			done;
-			return 0;;
-		*)
-			build test;
-			return 0;;
-	esac
-}
-
-train () {
-	[[ -f "$OUT/mnist_main" ]] || build mnist-main
-	[[ $1 ]] || set -- "train"
-	[[ $2 == "-r" || $2 == "--recover" ]] && RECOVER="-r .cache/reseau.bin"
-	mkdir -p .cache
-	"$OUT/mnist_main" train \
-		--images "data/mnist/$1-images-idx3-ubyte" \
-		--labels "data/mnist/$1-labels-idx1-ubyte" \
-		--out ".cache/reseau.bin" \
-		$RECOVER
-	return 0
-}
-
-test_reseau () {
-	[[ -f "$OUT/mnist_main" ]] || build mnist-main
-	[[ $1 ]] || set -- "train"
-	[[ -f ".cache/reseau.bin" ]] || train train
-	"$OUT/mnist_main" test \
-		--images "data/mnist/$1-images-idx3-ubyte" \
-		--labels "data/mnist/$1-labels-idx1-ubyte" \
-		--modele ".cache/reseau.bin"
-	return 0
-}
-
-recognize () {
-	if [[ $1 ]]; then
-		[[ $2 ]] || set -- "$2" "text"
-		[[ -f "$OUT/mnist_main" ]] || build mnist-main
-		[[ -f ".cache/reseau.bin" ]] || train train
-		"$OUT/mnist_main" recognize \
-			--modele ".cache/reseau.bin" \
-			--in "$1" \
-			--out "$2"
-		return 0
-	else
-		echo "Pas de fichier d'entrée spécifié. Abandon"
-		return 1
-	fi
-}
-
-utils () {
-	[[ -f "$OUT/mnist_utils" ]] || build mnist-utils
-	"$OUT/mnist_utils" ${*:1}
-	return 0
-}
-
-webserver () {
-	[[ -f "$OUT/mnist_main" ]] || build mnist-main
-	[[ -f ".cache/reseau.bin" ]] || train train
-	FLASK_APP="src/webserver/app.py" flask run
-	return 0
-}
-
-usage () {
-	echo "Usage:"
-	echo -e "\t$0 build       ( test | all | ... )"
-	echo -e "\t\t\tmnist:  mnist"
-	echo -e "\t\t\t\tmnist-main"
-	echo -e "\t\t\t\tmnist-preview"
-	echo -e "\t\t\t\tmnist-utils"
-	echo -e "\t\t\tcnn:    cnn"
-	echo -e "\t\t\t\tcnn-main\n"
-	echo -e "\t$0 train       ( train | t10k ) ( -r | --recover )"
-	echo -e "\t$0 preview     ( train | t10k )"
-	echo -e "\t$0 test_reseau ( train | t10k )\n"
-	echo -e "\t$0 recognize   [FILENAME] ( text | json )"
-	echo -e "\t$0 utils       ( help )\n"
-	echo -e "\t$0 test        ( run )"
-	echo -e "\t$0 webserver\n"
-	echo -e "Les fichiers de test sont recompilés à chaque exécution,\nles autres programmes sont compilés automatiquement si manquants\n"
-	echo -e "La plupart des options listées ici sont juste faites pour une utilisation plus rapide des commandes fréquentes,"
-	echo -e "d'autres options sont uniquement disponibles via les fichiers binaires dans '$OUT'"
-}
-
-
-[[ $CC ]] || CC=gcc
-if [[ "$CC" == "gcc" ]]; then
-	FLAGS="-std=c99 -lm -lpthread -Wall -Wextra" # GCC flags
-elif [[ "$CC" == "nvcc" ]]; then
-	CC=compile_cuda
-	FLAGS="" # NVCC flags
-else
-	FLAGS=""
-fi
-
-if [[ $1 && $(type "$1") = *"is a"*"function"* || $(type "$1") == *"est une fonction"* ]]; then
-	$1 ${*:2} # Call the function
-else
-	usage
-	exit 1
-fi;
\ No newline at end of file
diff --git a/src/cnn/convolution.cu b/src/cnn/convolution.cu
index 5605590..7ee2839 100644
--- a/src/cnn/convolution.cu
+++ b/src/cnn/convolution.cu
@@ -147,6 +147,7 @@ void make_convolution_device(Kernel_cnn* kernel, float*** input, float*** output
 }
 #endif
 
+extern "C" {
 
 void make_convolution(Kernel_cnn* kernel, float*** input, float*** output, int output_dim) {
     #ifndef __CUDACC__
@@ -154,4 +155,6 @@ void make_convolution(Kernel_cnn* kernel, float*** input, float*** output, int o
     #else
     make_convolution_device(kernel, input, output, output_dim);
     #endif
+}
+
 }
\ No newline at end of file
diff --git a/test/cnn_convolution.cu b/test/cnn_convolution.cu
index eccee08..f092431 100644
--- a/test/cnn_convolution.cu
+++ b/test/cnn_convolution.cu
@@ -5,7 +5,6 @@
 #include <math.h>
 #include <time.h>
 
-#include "../src/cnn/include/make.h"
 #include "../src/cnn/include/convolution.h"
 #include "../src/cnn/include/struct.h"