From dbd302497db5bc6339ea24a27b91a6544abf36eb Mon Sep 17 00:00:00 2001
From: Rocky Breslow <1774125+rbreslow@users.noreply.github.com>
Date: Tue, 10 Jan 2023 21:36:11 -0500
Subject: [PATCH] modules/musl-cross: use echo from the PATH to support NixOS

NixOS doesn't have a traditional FHS where echo is available at
`/bin/echo`. Instead, we must rely on the PATH for any
distribution-managed utilities. Reverses
https://github.com/osresearch/heads/issues/106.
---
 modules/musl-cross | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/musl-cross b/modules/musl-cross
index b17f675f..9c601cc4 100644
--- a/modules/musl-cross
+++ b/modules/musl-cross
@@ -34,8 +34,8 @@ else
 # Force a full build of the cross compiler for target platform
 # No need to build i386 for x86 since coreboot uses its own compiler
 musl-cross_configure := \
-	/bin/echo -e >> Makefile 'musl-target:' ; \
-	/bin/echo -e >> Makefile '\t$$$$(MAKE) TARGET="$(MUSL_ARCH)-linux-musl" install' ;
+	echo -e >> Makefile 'musl-target:' ; \
+	echo -e >> Makefile '\t$$$$(MAKE) TARGET="$(MUSL_ARCH)-linux-musl" install' ;
 
 CROSS_PATH ?= $(pwd)/crossgcc/$(CONFIG_TARGET_ARCH)