commit 2011dd77b6bd6f02f54ceef9a80a22bd373b66e2
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Mon Aug 20 10:48:31 2018 -0400
committer GitHub <noreply@github.com> Mon Aug 20 10:48:31 2018 -0400
tree ad1fb37e8ec6545ae533a4ca31902965c538b821
parent 1e596d3a20a1a9d1ef15218ef33795bc9e651b7a

bpo-30411: Use --git-dir instead of -C to make git work under version below 1.8.5. (GH-8744)

(cherry picked from commit 4c8555773a801f957297132a92c0acb382d640e4)

Co-authored-by: Xiang Zhang <angwerzx@126.com>

configure.ac

diff --git a/configure.ac b/configure.ac
index b7edbf3..e6ebb43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,9 +39,9 @@
 fi
 if test $HAS_GIT = found
 then
-    GITVERSION="git -C \$(srcdir) rev-parse --short HEAD"
-    GITTAG="git -C \$(srcdir) describe --all --always --dirty"
-    GITBRANCH="git -C \$(srcdir) name-rev --name-only HEAD"
+    GITVERSION="git --git-dir \$(srcdir)/.git rev-parse --short HEAD"
+    GITTAG="git --git-dir \$(srcdir)/.git describe --all --always --dirty"
+    GITBRANCH="git --git-dir \$(srcdir)/.git name-rev --name-only HEAD"
 else
     GITVERSION=""
     GITTAG=""