Properly declare dependencies for examples/ and add their build as a test target

Author: Armael

Makefile

@@ -4,10 +4,8 @@ EXAMPLES := $(patsubst %,examples/%.exe,$(EXAMPLES))
 default:
 	dune build @install
 
-examples: $(EXAMPLES)
-
-$(EXAMPLES):
-	dune build $@
+examples:
+	dune build @examples
 
 clean:
 	rm -rf _build

examples/dune

@@ -1,3 +1,7 @@
 (executables
-  (names simple)
-  (libraries wlroots tgls.tgl3 mtime.clock.os xkbcommon))
+ (names simple)
+ (libraries wlroots tgls.tgl3 mtime.clock.os xkbcommon))
+
+(alias
+ (name examples)
+ (deps simple.exe))

lib/dune

@@ -27,4 +27,4 @@
                     (:include ../config/wayland-server-cclib.sexp)
                     (:include ../config/pixman-1-cclib.sexp))
   (libraries wlroots_types_f wlroots_ffi_f wlroots_common ctypes.stubs ctypes
-             unix-time.unix mtime.clock.os))
+             unix-time.unix mtime.clock.os xkbcommon))

wlroots.opam

@@ -5,12 +5,17 @@ homepage: "https://github.com/swaywm/wlroots-ocaml"
 bug-reports: "https://github.com/swaywm/wlroots-ocaml/issues"
 depends: [
   "ocaml" {>= "4.04.1"}
+  "xkbcommon"
   "ctypes"
   "ctypes-foreign"
   "dune"
   "unix-time"
   "mtime"
-  "base"
-  "stdio"
+  "base" { build }
+  "stdio" { build }
+  "tgls" { with-test }
+]
+build: [
+  ["dune" "build" "-p" name "-j" jobs "@install"]
+  ["dune" "build" "-p" name "-j" jobs "@examples"] { with-test }
 ]
-build: ["dune" "build" "-p" name "-j" jobs "@install"]