1 files changed, 13 insertions(+), 0 deletions(-)

M gnu/packages/emacs-xyz.scm

@@ 18170,6 18170,19 @@ restrict the text width to 80 characters.")
     (arguments
      `(#:test-command '("make" "test")
        #:phases (modify-phases %standard-phases
+                  ;; The files auto-generated by `emacs-build-system' cause
+                  ;; the Makefile target `compile' to fail (due to missing
+                  ;; `lexical-binding' directives in the generated files).
+                  ;; Since `emacs-build-system' already byte-compiles the
+                  ;; source files (to `.elc' files), `make compile' is not
+                  ;; needed anyway. Additionally, the `clean' target must be
+                  ;; inhibited as it deletes all `.elc' files in the source
+                  ;; directory, which, however, are part of the installation.
+                  (add-after 'unpack 'patch-makefile
+                    (lambda _
+                      (substitute* "Makefile"
+                        (("test: compile clean")
+                         "test:"))))
                   ;; Set HOME, otherwise tests fail on loading aspell dict.
                   (add-before 'check 'set-home
                     (lambda _ (setenv "HOME" (getcwd)))))))