From ecd8f44844c84b7ab0865eeb4e6e0ddd15836e16 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vicen=C8=9Biu=20Ciorbaru?= <vicentiu@mariadb.org>
Date: Mon, 1 Jul 2019 13:55:05 +0300
Subject: [PATCH] Extra comment to mysql_install_db

Explain why it makes sense to not consider builddir == srcdir directly,
for cases when we do out-of-source builds.
---
 scripts/mysql_install_db.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/mysql_install_db.sh b/scripts/mysql_install_db.sh
index 27256994ef0..fb1663d9d69 100644
--- a/scripts/mysql_install_db.sh
+++ b/scripts/mysql_install_db.sh
@@ -243,6 +243,8 @@ then
 fi
 if test -n "$srcdir"
 then
+  # In an out-of-source build, builddir is not srcdir. Try to guess where
+  # builddir is by looking for my_print_defaults.
   if test -z "$builddir"
   then
     if test -x "$dirname0/extra/my_print_defaults"