diff options
| -rw-r--r-- | eclass/elisp-common.eclass | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/eclass/elisp-common.eclass b/eclass/elisp-common.eclass index 8f6a826..4decc2c 100644 --- a/eclass/elisp-common.eclass +++ b/eclass/elisp-common.eclass @@ -177,9 +177,10 @@ elisp-emacs-version() { # The following will work for at least versions 18-24. echo "(princ emacs-version)" >"${T}"/emacs-version.el version=$( - # EMACS could be a microemacs variant that doesn't know our - # options and would hang in interactive mode. Redirecting stdin - # and unsetting TERM and DISPLAY will make most of them fail. + # EMACS could be a microemacs variant that ignores the -batch + # option and would therefore hang, waiting for user interaction. + # Redirecting stdin and unsetting TERM and DISPLAY will cause + # most of them to exit with an error. unset TERM DISPLAY ${EMACS} ${EMACSFLAGS} -l "${T}"/emacs-version.el </dev/null ) |