1 files changed, 23 insertions(+), 24 deletions(-)

M gnu/packages/engineering.scm

@@ 5303,37 5303,36 @@ forward kinematics solvers.")
     (name "python-orocos-kinematics-dynamics")
     (source
      (origin
-       (inherit (package-source orocos-kinematics-dynamics))
-       (snippet '(begin
-                   (substitute* "python_orocos_kdl/CMakeLists.txt"
-                     ;; Use the system pybind11 instead of the bundled version
-                     (("add_subdirectory\\(pybind11\\)")
-                      "find_package(pybind11)")
-                     ;; change debian-specific python install directory
-                     (("dist-packages")
-                      "site-packages"))
-                   ;; ROS 1 uses some dynamic attributes, which are
-                   ;; disabled by default in pybind11. No harm in enabling them
-                   ;; See "https://github.com/ros2/geometry2/issues/624
-                   ;; and https://pybind11.readthedocs.io/en/stable/classes.html
-                   ;; #dynamic-attributes <Both accessed June 1 2025>
-                   (substitute* "python_orocos_kdl/PyKDL/frames.cpp"
-                     (("m, \"Vector\"")
-                      "m, \"Vector\", py::dynamic_attr()")
-                     (("m, \"Frame\"")
-                      "m, \"Frame\", py::dynamic_attr()")
-                     (("m, \"Twist\"")
-                      "m, \"Twist\", py::dynamic_attr()")
-                     (("m, \"Wrench\"")
-                      "m, \"Wrench\", py::dynamic_attr()"))))))
+       (inherit (package-source orocos-kinematics-dynamics))))
     (native-inputs (list python pybind11 python-psutil))
     (inputs (list orocos-kinematics-dynamics))
     (arguments
      (list
       #:phases
       #~(modify-phases %standard-phases
-          (add-after 'unpack 'chdir
+          (add-after 'unpack 'fix
             (lambda _
+              (substitute* "python_orocos_kdl/CMakeLists.txt"
+                ;; Use the system pybind11 instead of the bundled version
+                (("add_subdirectory\\(pybind11\\)")
+                 "find_package(pybind11)")
+                ;; change debian-specific python install directory
+                (("dist-packages")
+                 "site-packages"))
+              ;; ROS 1 uses some dynamic attributes, which are
+              ;; disabled by default in pybind11. No harm in enabling them
+              ;; See "https://github.com/ros2/geometry2/issues/624
+              ;; and https://pybind11.readthedocs.io/en/stable/classes.html
+              ;; #dynamic-attributes <Both accessed June 1 2025>
+              (substitute* "python_orocos_kdl/PyKDL/frames.cpp"
+                (("m, \"Vector\"")
+                 "m, \"Vector\", py::dynamic_attr()")
+                (("m, \"Frame\"")
+                 "m, \"Frame\", py::dynamic_attr()")
+                (("m, \"Twist\"")
+                 "m, \"Twist\", py::dynamic_attr()")
+                (("m, \"Wrench\"")
+                 "m, \"Wrench\", py::dynamic_attr()"))
               (chdir "python_orocos_kdl")))
           (replace 'check
             (lambda* (#:key tests? #:allow-other-keys)