From: Mattias Engdegård <mattiase@acm.org>
Date: Fri, 29 Sep 2023 10:43:10 +0000 (+0200)
Subject: Detect developer builds in git worktrees as well
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a89c86888c41c922e5dc6a4c9cfb303a7bd3ab4f;p=emacs.git

Detect developer builds in git worktrees as well

* configure.ac (gcc-warnings): Don't require .git to be a directory.
If you wondered why you didn't get any warnings, this may have been
the reason.
---

diff --git a/configure.ac b/configure.ac
index 855c4ec7df1..f63eb870ffb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1664,7 +1664,7 @@ AC_ARG_ENABLE([gcc-warnings],
    # however, if there is also a .tarball-version file it is probably
    # just a release imported into Git for patch management.
    gl_gcc_warnings=no
-   if test -d "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then
+   if test -e "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then
       # Clang typically identifies itself as GCC 4.2 or something similar
       # even if it is recent enough to accept the warnings we enable.
       AS_IF([test "$emacs_cv_clang" = yes],