This also effectively drops support to Emacs version 23, which was
deprecated in version 0.23.2 (2016-11-20) and did not entirely work
any more.
---
configure | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index b2200be08a03..3ae26241df2a 100755
--- a/configure
+++ b/configure
@@ -623,8 +623,8 @@ if [ -z "${EMACSETCDIR-}" ]; then
EMACSETCDIR="\$(prefix)/share/emacs/site-lisp"
fi
-printf "Checking if emacs is available... "
-if emacs --quick --batch > /dev/null 2>&1; then
+printf "Checking if emacs (>= 24) is available... "
+if emacs --quick --batch --eval '(if (< emacs-major-version 24) (kill-emacs
1))' > /dev/null 2>&1; then
printf "Yes.\n"
have_emacs=1
else
--
2.13.3
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