If + progn => when in the Makefile

Author: Fanael

Makefile

@@ -3,9 +3,9 @@ GIT_VERSION = $(shell git describe --tags --match 'v[0-9]*' --long --dirty | sed
 
 INSTALL_INFO = install-info
 EMACS = emacs
-EFLAGS = --eval "(if (< emacs-major-version 24)                                    \
-                      (progn (add-to-list 'load-path (expand-file-name \"tests/compat\"))  \
-                             (setq byte-compile-warnings '(not cl-functions))))"       \
+EFLAGS = --eval "(when (< emacs-major-version 24) \
+                    (add-to-list 'load-path (expand-file-name \"tests/compat\")) \
+                    (setq byte-compile-warnings '(not cl-functions)))" \
          --eval '(setq byte-compile-error-on-warn t)'
 
 BATCH = $(EMACS) $(EFLAGS) --batch -Q -L .