From 26bee8ad36030c89b1300d5095f56fa635b53b95 Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@midokura.com>
Date: Mon, 7 Apr 2025 16:06:01 +0900
Subject: [PATCH] drop a few unsupported CFLAGS for clang

---
 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 51e9f98e..1fd856f9 100644
--- a/Makefile
+++ b/Makefile
@@ -59,12 +59,15 @@ BENCH_PERF  := $(BENCH_RUNNER:%=%.perf)
 BENCH_TRACE := $(BENCH_RUNNER:%=%.trace)
 BENCH_CSV   := $(BENCH_RUNNER:%=%.csv)
 
-CFLAGS += -fcallgraph-info=su
 CFLAGS += -g3
 CFLAGS += -I.
 CFLAGS += -std=c99 -Wall -Wextra -pedantic
 CFLAGS += -Wmissing-prototypes
+ifeq ($(shell $(CC) --version | grep clang),)
 CFLAGS += -ftrack-macro-expansion=0
+CFLAGS += -fcallgraph-info=su
+endif
+
 ifdef DEBUG
 CFLAGS += -O0
 else