From 749f213ca52034e16e8ee4d06ac9dec1528869a5 Mon Sep 17 00:00:00 2001
From: TSC21 <n.marques21@hotmail.com>
Date: Mon, 14 Jun 2021 09:42:19 +0200
Subject: [PATCH] make_list: check if file exists before the other operations

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index bcf918e398..9abecb8933 100644
--- a/Makefile
+++ b/Makefile
@@ -63,7 +63,7 @@ all: px4_sitl_default
 space := $(subst ,, )
 
 define make_list
-     $(shell cat .github/workflows/compile_${1}.yml | sed -E 's|[[:space:]]+(.*),|check_\1|g' | grep check_${2})
+     $(shell [ -f .github/workflows/compile_${1}.yml ] && cat .github/workflows/compile_${1}.yml | sed -E 's|[[:space:]]+(.*),|check_\1|g' | grep check_${2})
 endef
 
 # Parsing