70/74: gnu: libimobiledevice: Do not hardcode Python version.

[guix-commits]

rekado pushed a commit to branch wip-gnome-upgrades
in repository guix.

commit 1ad80ab16c463d3f0ded0dbc2c20612705efea03
Author: Ricardo Wurmus <address@hidden>
Date:   Fri Aug 10 08:45:07 2018 +0200

    gnu: libimobiledevice: Do not hardcode Python version.
    
    * gnu/packages/libusb.scm (libimobiledevice)[arguments]: Derive Python 
version
    from package in configure flags.
---
 gnu/packages/libusb.scm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/libusb.scm b/gnu/packages/libusb.scm
index 2519f8a..4e94321 100644
--- a/gnu/packages/libusb.scm
+++ b/gnu/packages/libusb.scm
@@ -362,7 +362,9 @@ connections from and to iOS devices by connecting to a 
socket provided by a
      `(#:configure-flags
        (list (string-append "PYTHON_LDFLAGS=-L"
                             (assoc-ref %build-inputs "python")
-                            "/lib -lpython3.6m"))))
+                            "/lib -lpython"
+                            ,(version-major+minor
+                              (package-version python)) "m"))))
     (propagated-inputs
      `(("openssl" ,openssl)
        ("libusbmuxd" ,libusbmuxd)))