Makefile: allow alectryon to work in parallel

.gitignore

@@ -18,3 +18,4 @@ Makefile*
 *.DS_Store
 /proof-state
 /with-proof-state
+/html-alectryon

.gitlab-ci.yml

@@ -211,9 +211,7 @@ proof-state:
   script:
     - eval $(opam env "--switch=${COMPILER_EDGE}" --set-switch)
     - ./create_makefile.sh --without-classic
-    - make -j ${NJOBS}
-    - make alectryon
-    - mv html html-alectryon
+    - make -j ${NJOBS} alectryon
   artifacts:
     name: "prosa-proof-state-$CI_COMMIT_REF_NAME"
     paths:

scripts/Makefile.alectryon

-alectryon: $(GLOBFILES) $(VFILES)
-	$(SHOW)'Running alectryon on all .v files'
-	$(HIDE)scripts/alectryon.sh $(VFILES)
+ALECTRYONFILES = $(patsubst %,html-alectryon/prosa.%,$(subst /,.,$(subst ./,,$(VFILES:.v=.html))))
 
+html-alectryon/%.html: $(VOFILES)
+	$(HIDE)scripts/alectryon.sh $(patsubst %,%.v,$(subst html-alectryon/prosa/,,$(subst .,/,$(@:.html=))))
+
+alectryon: $(ALECTRYONFILES)

scripts/alectryon.sh

@@ -2,7 +2,7 @@
 set -e
 
 ALE="alectryon"
-OUT="./html"
+OUT="./html-alectryon"
 
 mkdir -p "$OUT"