Tweak opam dependency handling

Author: rossberg

Makefile

@@ -48,14 +48,13 @@ vars:
 	@echo 'ASSETS = $(ASSETS)'
 	@echo 'SYSASSETS = $(SYSASSETS)'
 
-deps-try:
-  # Install deps first, as workaround for Opam Windows bug
-	opam install --yes --deps-only $(PROJECTDEPS:%="%")
-	opam install --yes $(PROJECTDEPS:%="%")
+deps-try: opam
+	opam install --yes --deps-only .
+	(cd vendor/raylib-ocaml && opam install --yes --deps-only .)
 
 deps:
-	make deps-try || (opam update && make deps-try)
 	git submodule update --init --recursive
+	make deps-try || (opam update && make deps-try)
 
 upgrade:
 	opam update
@@ -66,6 +65,8 @@ exe:
 	ln -f _build/default/src/$(MAIN).exe $(NAME).exe
 
 opam: dune-project
+	opam list --check dune
+	opam install dune
 	opam exec -- dune build "@opam"
 
 release: check-release zip

dune-project

@@ -1,6 +1,7 @@
 (lang dune 3.20)
 
 (authors "Andreas Rossberg")
+(maintainers "rossberg@mpi-sws.org")
 (license "CC-BY-NC-SA-4.0")
 (source (github rossberg/camp))
 (homepage https://mpi-sws.org/~rossberg/camp/)