04/05: gnu: libselinux: Fix build failure with Python 3.10.

[guix-commits]

mbakke pushed a commit to branch core-updates
in repository guix.

commit a334b3461d302fa8b50febc4c28261a202b69c68
Author: Marius Bakke <marius@gnu.org>
AuthorDate: Tue Aug 16 13:15:03 2022 +0200

    gnu: libselinux: Fix build failure with Python 3.10.
    
    * gnu/packages/selinux.scm (libselinux)[arguments]: Add extra arguments to 
the
    setup.py install invocation.
---
 gnu/packages/selinux.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/selinux.scm b/gnu/packages/selinux.scm
index b4f074b695..54fec6486e 100644
--- a/gnu/packages/selinux.scm
+++ b/gnu/packages/selinux.scm
@@ -161,7 +161,11 @@ module into a binary representation.")
                 ;; Python bindings.  Instruct it to use the correct output.
                 (substitute* "src/Makefile"
                   (("--prefix=\\$\\(PREFIX\\)")
-                   (string-append "--prefix=" #$output:python)))
+                   (string-append "--prefix=" #$output:python
+                                  ;; Python 3.10 refuses to execute the install
+                                  ;; command unless these flags are present.
+                                  " --single-version-externally-managed"
+                                  " --root=/")))
 
                 (apply invoke "make" "install-pywrap" make-flags)))))))
     ;; These libraries are in "Requires.private" in libselinux.pc.