PKGBUILD and DKMS to make it easier for arch users..

Makefile

@@ -1,6 +1,5 @@
 CC=gcc
 DRIVERDIR?=`pwd`/driver
-KDIR?=/lib/modules/`uname -r`/build
 
 MODULEDIR?=/lib/modules/`uname -r`/kernel/drivers/usb
 
@@ -10,7 +9,7 @@ debug: EXTRA_CFLAGS := -DDEBUG
 debug: default
 
 build:
-	$(MAKE) CC=$(CC) EXTRA_CFLAGS=$(EXTRA_CFLAGS) -C $(KDIR) M=$(DRIVERDIR)
+	$(MAKE) -C $(DRIVERDIR)
 
 debug_install: debug install
 
@@ -62,4 +61,4 @@ udev_trigger:
 	udevadm trigger --subsystem-match=usb --subsystem-match=input --subsystem-match=hid --attr-match=bInterfaceClass=03 --attr-match=bInterfaceSubClass=01 --attr-match=bInterfaceProtocol=02
 
 clean:
-	rm -rf $(DRIVERDIR)/.*.cmd $(DRIVERDIR)/*.ko $(DRIVERDIR)/*.mod $(DRIVERDIR)/*.mod.* $(DRIVERDIR)/*.symvers $(DRIVERDIR)/*.order $(DRIVERDIR)/*.o
+	$(MAKE) -C $(DRIVERDIR) clean

PKGBUILD

@@ -0,0 +1,47 @@
+pkgname=maccel-dkms
+_pkgname="${pkgname%-*}"
+pkgver=0.2.1
+pkgrel=1
+pkgdesc='Mouse acceleration driver and kernel module for Linux.'
+arch=('x86_64')
+url='https://www.maccel.org/'
+license=('GPL-2.0-or-later')
+
+depends=("curl" "git" "dkms")
+install=${_pkgname}.install
+
+source=("git+https://github.com/pxlsec/maccel")
+sha256sums=('SKIP')
+
+build() {
+    # Build the CLI
+    cd $srcdir/maccel
+    make build_cli
+}
+
+package() {
+    # Add group
+    install -Dm644 ${srcdir}/maccel/maccel.sysusers ${pkgdir}/usr/lib/sysusers.d/${_pkgname}.conf
+
+    # Install Driver
+    install -Dm644 ${srcdir}/maccel/dkms.conf ${pkgdir}/usr/src/${_pkgname}-${pkgver}/dkms.conf
+
+    # Set name and version
+    sed -e "s/@_PKGNAME@/${_pkgname}/" \
+        -e "s/@PKGVER@/${pkgver}/" \
+        -i "${pkgdir}/usr/src/${_pkgname}-${pkgver}/dkms.conf"
+
+    # Copy sources (including Makefile)
+    cp -r ${srcdir}/maccel/driver/* ${pkgdir}/usr/src/${_pkgname}-${pkgver}/
+
+    # Install CLI
+    install -Dm 755 $srcdir/maccel/cli/target/release/maccel ${pkgdir}/usr/local/bin/maccel
+    install -Dm 755 $srcdir/maccel/cli/usbmouse/target/release/maccel-driver-binder ${pkgdir}/usr/local/bin/maccel-driver-binder
+
+    # Install udev rules
+    install -Dm 644 ${srcdir}/maccel/udev_rules/99-maccel.rules ${pkgdir}/usr/lib/udev/rules.d/99-maccel.rules
+    install -Dm 755 ${srcdir}/maccel/udev_rules/maccel_param_ownership_and_resets ${pkgdir}/usr/lib/udev/maccel_param_ownership_and_resets
+
+    # Install License
+    install -Dm644 ${srcdir}/maccel/LICENSE ${pkgdir}/usr/share/licenses/${_pkgname}/LICENSE
+}

dkms.conf

@@ -0,0 +1,7 @@
+PACKAGE_NAME="@_PKGNAME@"
+PACKAGE_VERSION="@PKGVER@"
+MAKE[0]="make KVER=$kernelver"
+CLEAN="make clean"
+BUILT_MODULE_NAME[0]="@_PKGNAME@"
+DEST_MODULE_LOCATION[0]="/kernel/drivers/usb"
+AUTOINSTALL="yes"

driver/Makefile

@@ -1,5 +1,14 @@
 obj-m += maccel.o
 
+KVER ?= $(shell uname -r)
+KDIR ?= /lib/modules/$(KVER)/build
+
+build:
+		$(MAKE) -C $(KDIR) M=$(CURDIR)
+
+clean:
+		$(MAKE) -C $(KDIR) M=$(CURDIR) clean
+
 test:
 	@mkdir -p tests/snapshots
 	@gcc tests/test.c -o accel_test -g

maccel.install

@@ -0,0 +1,19 @@
+post_install() {
+    udevadm control --reload-rules
+    udevadm trigger --subsystem-match=usb --subsystem-match=input --subsystem-match=hid --attr-match=bInterfaceClass=03 --attr-match=bInterfaceSubClass=01 --attr-match=bInterfaceProtocol=02
+
+    echo ' Add yourself to the "maccel" group\n'
+    echo ' usermod -aG maccel $USER\n'
+}
+
+post_uprgade() {
+    udevadm control --reload-rules
+}
+
+pre_remove() {
+    maccel driver unbindall
+}
+
+post_remove() {
+    udevadm control --reload-rules
+}

maccel.sysusers

@@ -0,0 +1 @@
+g maccel - -

udev_rules/99-maccel.rules

@@ -1,3 +1,5 @@
+ACTION=="add", SUBSYSTEM=="module", DEVPATH="/module/maccel", RUN+="maccel_param_ownership_and_resets"
+
 ACTION=="remove", GOTO="maccel_end"
 SUBSYSTEMS=="usb|input|hid", ATTRS{bInterfaceClass}=="03", ATTRS{bInterfaceSubClass}=="01", ATTRS{bInterfaceProtocol}=="02", RUN+="maccel_param_ownership_and_resets"