From 5d04a6c26ae2a605cfa9015185d8fad5b48543dd Mon Sep 17 00:00:00 2001
From: Samveen <samveen@yahoo.com>
Date: Sun, 12 Jan 2020 10:21:08 +0530
Subject: [PATCH] show passing of GNU_INSTALL_ROOT to make via param

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 4dcc83f..03e78c6 100644
--- a/README.md
+++ b/README.md
@@ -163,7 +163,13 @@ Compiling file: main.c
 make: *** [_build/main.o] Error 127
 ```
 
-... you may need to edit the `Makefile` and update `GNU_INSTALL_ROOT` to point to the root path of your GCC ARM toolchain.
+... you may need to pass the location of the GCC ARM toolchain binaries to `make` using
+the variable `GNU_INSTALL_ROOT` as below:
+```
+$ make GNU_INSTALL_ROOT=/opt/gcc-arm-none-eabi-9-2019-q4-major/bin/ BOARD=feather_nrf52832 all
+```
+
+_Please note that the path needs a trailing path separator (a `/`)_
 
 #### 2. `mergehex: No such file or directory`