packaging constraints

Author: edwintorok

example/dune2/dune

@@ -8,6 +8,7 @@
 (include dune.analysis.inc)
 
 (rule
+ (enabled_if %{bin-available:lintcstubs})
  (deps
   (:mlfiles
    (glob_files_rec *.ml))
@@ -20,5 +21,7 @@
 
 (rule
  (alias runtest)
+ (package lintcstubs-rules)
+ (enabled_if %{bin-available:lintcstubs})
  (action
   (diff dune.analysis.inc dune.analysis.inc.gen)))

example/dune2/dune.analysis.inc

@@ -1,4 +1,5 @@
-(rule (targets foo2.model.c ./primitives.h)
+(rule (enabled_if %{bin-available:lintcstubs_genmain})
+ (targets foo2.model.c ./primitives.h)
  (deps (:cmt ./.foo2.objs/byte/foo2.cmt) %{bin:lintcstubs_arity_cmt}
   %{bin:lintcstubs_genwrap} %{bin:lintcstubs_genmain})
  (action
@@ -9,7 +10,8 @@
      (run %{bin:lintcstubs_genmain} %{cmt}))))))
 (rule (alias cstubs) (deps (:ofiles foo2.model.o foostubs.o))
  (action (echo "for BEAR")))
-(rule (targets ./lintcstubs.log ./lintcstubs.sarif)
+(rule (enabled_if %{bin-available:lintcstubs})
+ (targets ./lintcstubs.log ./lintcstubs.sarif)
  (deps compile_commands.json (:primitives ./primitives.h)
   (:model foo2.model.c) %{bin:lintcstubs} (package lintcstubs))
  (action

rules/main.ml

@@ -20,6 +20,7 @@ let cmt_rule =
   Sexplib.Sexp.of_string
     {|
     (rule
+      (enabled_if %{bin-available:lintcstubs_genmain})
       (targets %{model} %{primitives})
       (deps (:cmt) %{bin:lintcstubs_arity_cmt} %{bin:lintcstubs_genwrap} %{bin:lintcstubs_genmain})
       (action
@@ -50,6 +51,7 @@ let analyze_rule =
   Sexplib.Sexp.of_string
     {|
     (rule
+      (enabled_if %{bin-available:lintcstubs})
       (targets %{log} %{sarif})
       (deps compile_commands.json (:primitives) (:model) %{bin:lintcstubs} (package lintcstubs))
       (action