(term-exec-1): Set envvar INSIDE_EMACS.

1 files changed, 5 insertions, 1 deletions

diff --git a/lisp/term.el b/lisp/term.el
index 4124e2a2969..77dd921b7b6 100644
--- a/lisp/term.el
+++ b/lisp/term.el
@@ -1422,8 +1422,12 @@ The main purpose is to get rid of the local keymap."
            (format "TERMINFO=%s" data-directory)
            (format term-termcap-format "TERMCAP="
                    term-term-name term-height term-width)
-           ;; Breaks `./configure' of w3 and url which try to run $EMACS.
+           ;; We are going to get rid of the binding for EMACS,
+           ;; probably in Emacs 23, because it breaks
+           ;; `./configure' of some packages that expect it to
+           ;; say where to find EMACS.
            (format "EMACS=%s (term:%s)" emacs-version term-protocol-version)
+           (format "INSIDE_EMACS=%s,term:%s" emacs-version term-protocol-version)
            (format "LINES=%d" term-height)
            (format "COLUMNS=%d" term-width))
           process-environment))