Also rename imagemagick to cppse_imagemagick as it conflicts with system packages otherwise.

imagemagick/Makefile

@@ -25,8 +25,8 @@ package-ubuntu2004:
 	rm -rf out
 	mkdir -p out/opt/cppse/build/imagemagick
 	cp -prv ImageMagick/imagemagick_out/* out/opt/cppse/build/imagemagick/
-	rm -rf imagemagick_*_amd64.deb
-	docker run -v "$$(pwd):/src/" rayburgemeestre/fpm-ubuntu:20.04 fpm -v 1.1 -s dir -t deb -n imagemagick --license MPL2 --maintainer "Ray Burgemeestre <ray@cppse.nl>" --description "imagemagick - build dependency" --url "https://github.com/ImageMagick/ImageMagick" --deb-generate-changes -C /src/out
+	rm -rf cppse_imagemagick_*_amd64.deb
+	docker run -v "$$(pwd):/src/" rayburgemeestre/fpm-ubuntu:20.04 fpm -v 1.1 -s dir -t deb -n cppse_imagemagick --license MPL2 --maintainer "Ray Burgemeestre <ray@cppse.nl>" --description "imagemagick - build dependency" --url "https://github.com/ImageMagick/ImageMagick" --deb-generate-changes -C /src/out
 
 clean:
 	rm -rf ImageMagick