guix_mirror_bot pushed a commit to branch ocaml-team
in repository guix.

commit 31f19abe798b9790d4214c48d2df0332b90fc8b3
Author: Jason Conroy <[email protected]>
AuthorDate: Sat Nov 29 07:05:29 2025 -0500

    guix: ocaml: Identify OCaml and Dune build systems by name.
    
    * guix/build-system/ocaml.scm (package-with-explicit-ocaml):
    Identify OCaml and Dune build systems using `build-system-name`.
    
    Change-Id: I406ff96ec4ccb018eabc02cdab843faa0b4a77ab
    Signed-off-by: Julien Lepiller <[email protected]>
---
 guix/build-system/ocaml.scm | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/guix/build-system/ocaml.scm b/guix/build-system/ocaml.scm
index c2b79af9bc..34c9604ef7 100644
--- a/guix/build-system/ocaml.scm
+++ b/guix/build-system/ocaml.scm
@@ -155,6 +155,12 @@ pre-defined variants."
                     variant-property))
         (const #f)))
 
+  (define (has-ocaml-build-system? p)
+    (eq? 'ocaml (build-system-name (package-build-system p))))
+
+  (define (has-dune-build-system? p)
+    (eq? 'dune (build-system-name (package-build-system p))))
+
   (define (transform p)
     (cond
      ;; If VARIANT-PROPERTY is present, use that.
@@ -162,8 +168,7 @@ pre-defined variants."
       => force)
 
      ;; Otherwise build the new package object graph.
-     ((or (eq? (package-build-system p) ocaml-build-system)
-          (eq? (package-build-system p) (default-dune-build-system)))
+     ((or (has-ocaml-build-system? p) (has-dune-build-system? p))
       (package
         (inherit p)
         (location (package-location p))
@@ -180,15 +185,13 @@ pre-defined variants."
            (ensure-keyword-arguments (package-arguments p)
                                      `(#:ocaml   ,ocaml
                                        #:findlib ,findlib
-                                       ,@(if (eq? (package-build-system p)
-                                                  (default-dune-build-system))
+                                       ,@(if (has-dune-build-system? p)
                                              `(#:dune ,dune)
                                              '())))))))
      (else p)))
 
   (define (cut? p)
-    (or (not (or (eq? (package-build-system p) ocaml-build-system)
-                 (eq? (package-build-system p) (default-dune-build-system))))
+    (or (not (or (has-ocaml-build-system? p) (has-dune-build-system? p)))
         (package-variant p)))
 
   (package-mapping transform cut?))

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