bug#17668: [PATCH] build: be more specific about .git directory before enabling warnings

[Ben Walton]

  * configure.ac: When looking for a .git checkout, restrict it to git
    checkouts that contain a coreutils-specific tag.

Signed-off-by: Ben Walton <bdwal...@gmail.com>
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index a7a8bfc..96af9be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,7 +100,7 @@ AC_ARG_ENABLE([gcc-warnings],
    # we're running from a git repo, then auto enable the warnings.
    gl_gcc_warnings=no
    gl_GCC_VERSION_IFELSE([4], [6],
-                         [test -d "$srcdir"/.git && gl_gcc_warnings=yes])]
+                         [test -f "$srcdir"/.git/refs/tags/v8.22 && 
gl_gcc_warnings=yes])]
 )
 
 if test "$gl_gcc_warnings" = yes; then
-- 
1.9.1