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IDProjectCategoryView StatusDate SubmittedLast Update
0005102OCamlOCamlbuild (the tool)public2010-07-10 21:472012-10-10 16:04
Reporterdbuenzli 
Assigned Toxclerc 
PrioritynormalSeverityminorReproducibilityhave not tried
StatusresolvedResolutionfixed 
PlatformOSOS Version
Product Version3.12.0+beta1 or 3.12.0+rc1 
Target Version4.01.0+devFixed in Version4.00.2+dev 
Summary0005102: ocamlbuild, problems with %(name) syntax in the rules ~prod argument
DescriptionThe %(name) syntax doesn't work when there's only %(name) used in ~prod see the examples below.

Thanks,

Daniel
Steps To Reproduce----------------------
Bug (single %(file) in ~prod):
----------------------

> cat myocamlbuild.ml
open Ocamlbuild_plugin;;

dispatch begin function
  | Before_rules ->
      rule "test: %.test -> %"
    ~dep:"%(file).%(suff).test"
    ~prod: "%(file)"
    begin fun env build ->
      cp (env "%(file).%(suff).test") (env "%(file)")
    end
  | _ -> ()
end

> touch file.suff.test
> ocamlbuild -classic-display file
/usr/local/bin/ocamlopt.opt -I /usr/local/lib/ocaml/ocamlbuild unix.cmxa /usr/local/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /usr/local/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
Exception Not_found.


-------------------------------
No bug (more than one %(arg) in ~prod):
-------------------------------
> cat myocamlbuild.ml

> cat myocamlbuild.ml
open Ocamlbuild_plugin;;

dispatch begin function
  | Before_rules ->
      rule "test: %.test -> %"
    ~dep:"%(file).%(suff).test"
    ~prod: "%(file).%(suff)"
    begin fun env build ->
      cp (env "%(file).%(suff).test") (env "%(file).%(suff)")
    end
  | _ -> ()
end

> touch file.suff.test
> ocamlbuild -classic-display file.suff
/usr/local/bin/ocamlopt.opt -I /usr/local/lib/ocaml/ocamlbuild unix.cmxa /usr/local/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /usr/local/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
cp file.suff.test file.suff
TagsNo tags attached.
Attached Files

- Relationships

-  Notes
(0005601)
dbuenzli (reporter)
2010-07-10 21:56

 The following is also strange. With this plugin trying to build anything that doesn't exist hangs forever.

> cat myocamlbuild.ml
open Ocamlbuild_plugin;;

dispatch begin function
  | Before_rules ->
      rule "test: %.test -> %"
    ~dep:"%.test"
    ~prod: "%"
    begin fun env build ->
      cp (env "%.test") (env "%")
    end
  | _ -> ()
end

> ocamlbuild -classic-display asldkfaslfjk
/usr/local/bin/ocamlopt.opt -I /usr/local/lib/ocaml/ocamlbuild unix.cmxa /usr/local/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /usr/local/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
^CException Sys.Break.

> touch bla.test
> ocamlbuild -classic-display bla
cp bla.test bla
(0008240)
xclerc (developer)
2012-10-10 16:04

 Fixed in trunk (revision 13002) and 4.00 (revision 13003) branches.


The "Not_found" exception was caused by the use of an unbound
variable in the dependency. Now, unbound variables are replaced
by empty strings.

The non-terminating behavior is not an ocamlbuild bug. Indeed,
if one has the rule "%(x).test -> %(x)" and asks to build "foo", then
a try will be made to create "foo.test" which in turn will try to create
"foo.test.test", and so on... thus looping unless one of these "*.test"
file already exists.

- Issue History
Date Modified Username Field Change
2010-07-10 21:47 dbuenzli New Issue
2010-07-10 21:56 dbuenzli Note Added: 0005601
2010-07-22 11:38 ertai Status new => assigned
2010-07-22 11:38 ertai Assigned To => xclerc
2012-02-02 15:17 protz Category OCamlbuild => OCamlbuild (the tool)
2012-07-10 20:11 doligez Target Version => 4.01.0+dev
2012-07-31 13:36 doligez Target Version 4.01.0+dev => 4.00.1+dev
2012-09-18 15:24 doligez Target Version 4.00.1+dev => 4.01.0+dev
2012-10-10 16:04 xclerc Note Added: 0008240
2012-10-10 16:04 xclerc Status assigned => resolved
2012-10-10 16:04 xclerc Fixed in Version => 4.00.2+dev
2012-10-10 16:04 xclerc Resolution open => fixed

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