Subject: [bug#54876] [PATCH] gnu: sbcl-py4cl: Fix path to python3.

From: "Paul A. Patience" <[email-masked]>
Date: Tue, 12 Apr 2022 02:55:35 +0000

* gnu/packages/lisp-xyz.scm (sbcl-py4cl)[arguments]: Add the
'fix-python3-path phase which sets py4cl:*python-command* to the
absolute path to python3.
---
 gnu/packages/lisp-xyz.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index 358bba4e89..10a46d4b9a 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -5180,6 +5180,12 @@ (define-public sbcl-py4cl
       (arguments
        '(#:phases
          (modify-phases %standard-phases
+           (add-after 'unpack 'fix-python3-path
+             (lambda _
+               (substitute* "src/callpython.lisp"
+                 (("\\*python-command\\* \"python\"")
+                  (string-append "*python-command* "
+                                 "\"" (which "python3") "\"")))))
            (add-after 'unpack 'replace-*base-directory*-var
              (lambda* (#:key outputs #:allow-other-keys)
                ;; In the ASD, the author makes an attempt to
--
2.35.1