From 87feee89db567c5d56b9a26b74a49a26859577b8 Mon Sep 17 00:00:00 2001
From: Scott Johnson <scott.johnson@arilinc.com>
Date: Sat, 13 Mar 2021 10:58:31 -0800
Subject: [PATCH] Use `git rev-parse` to find .git dir

Otherwise, this code breaks if riscv-gnu-toolchain is itself a
submodule of another project. In that case the git config for this
tree will be $(srcdir)/../.git/modules/riscv-gnu-toolchain/config.
---
 Makefile.in | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index ab2cc05f..1fd5463d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -245,8 +245,8 @@ endif
 
 $(srcdir)/%/.git:
 	cd $(srcdir) && \
-	flock $(srcdir)/.git/config git submodule init $(dir $@) && \
-	flock $(srcdir)/.git/config git submodule update $(dir $@)
+	flock `git rev-parse --git-dir`/config git submodule init $(dir $@) && \
+	flock `git rev-parse --git-dir`/config git submodule update $(dir $@)
 
 #
 # GLIBC