From 26e34cd6f2471f04ba097001a215caed12a8574a Mon Sep 17 00:00:00 2001
From: John Whittington <git@jbrengineering.co.uk>
Date: Tue, 4 Aug 2020 11:51:35 +0200
Subject: detect and use GNU grep on macOS

---
 Sam.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Sam.mk')

diff --git a/Sam.mk b/Sam.mk
index 7f3cd2b..f11554f 100644
--- a/Sam.mk
+++ b/Sam.mk
@@ -404,7 +404,7 @@ CFLAGS_STD += -std=gnu11
 CPPFLAGS += -DMD -D$(USB_TYPE) '-DUSB_PRODUCT=$(USB_PRODUCT)' '-DUSB_MANUFACTURER=$(USB_MANUFACTURER)'
 
 # Get extra define flags from boards.txt
-EXFLAGS := $(shell echo $(call PARSE_BOARD,$(BOARD_TAG),build.extra_flags) | grep -oE '(-D)\w+')
+EXFLAGS := $(shell echo $(call PARSE_BOARD,$(BOARD_TAG),build.extra_flags) | $(GREP) -oE '(-D)\w+')
 
 # Strip only defines from extra flags as boards file appends user {build.usb}
 CPPFLAGS += $(EXFLAGS)
-- 
cgit v1.2.3