From f2844cc87244859f019774e2306a40d018411a21 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Thu, 5 Oct 2023 12:34:33 +0200
Subject: [PATCH] Fix make incompatibility

Since make version 4.3 [0] the `#` sign inside a string is handled
differently. Fix that.

[0] https://lists.gnu.org/archive/html/info-gnu/2020-01/msg00004.html

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>
---
 makefile_include.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/makefile_include.mk b/makefile_include.mk
index e4e7ad34..f76798c4 100644
--- a/makefile_include.mk
+++ b/makefile_include.mk
@@ -13,7 +13,8 @@ ifndef CROSS_COMPILE
   CROSS_COMPILE:=
 endif
 
-ifneq (,$(shell printf "#ifdef __clang__\nCLANG\n#endif\n" | $(CC) -E - | grep CLANG))
+H := \#
+ifeq (CLANG,$(shell printf "$(H)ifdef __clang__\nCLANG\n$(H)endif\n" | $(CC) -E - | grep CLANG))
   CC_IS_CLANG := 1
 else
   CC_IS_CLANG := 0