From 8f6e535edcb2e81b92e5569d31088a54812409f3 Mon Sep 17 00:00:00 2001
From: Julia Longtin <julia.longtin@gmail.com>
Date: Tue, 12 Mar 2024 21:54:38 +0000
Subject: [PATCH] try to detect the PHI cross compiler in make.

---
 Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 9a6bc2f14..1e778c21f 100644
--- a/Makefile
+++ b/Makefile
@@ -121,7 +121,7 @@ CC	:= riscv64-unknown-linux-gnu-gcc
 CXX	:= riscv64-unknown-linux-gnu-g++
 endif
 
-K1OM := $( shell echo | $CC -dM -E - | grep __k1om__ )
+K1OM := $(shell echo | $(CC) -dM -E - | grep __k1om__)
 
 #
 # Compile flags
@@ -310,7 +310,8 @@ ifndef RISCV
 
 ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686 amd64))
 
-ifeq "$(K1OM)" ""
+# detect the PHI cross compiler.
+ifeq "${K1OM}" ""
 
 	# Use all CPU extensions that are available:
 	MK_CFLAGS     += -march=native -mtune=native