From: Jiri Olsa <jolsa@kernel.org>
Date: Mon, 8 Oct 2018 10:22:58 +0200
Subject: bpftool: Allow to add compiler flags via EXTRA_CFLAGS variable
Patch-mainline: v4.20-rc1
Git-commit: 0ef6bf39f09832866fd581cbafafbad9b2469eb3
References: bsc#1109837
Adding EXTRA_CFLAGS allowing user to specify extra flags
for CFLAGS variable.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
tools/bpf/bpftool/Makefile | 4 ++++
1 file changed, 4 insertions(+)
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -46,6 +46,10 @@ CFLAGS += -DPACKAGE='"bpftool"' -D__EXPO
-I$(srctree)/tools/lib/bpf \
-I$(srctree)/tools/perf
CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
+ifneq ($(EXTRA_CFLAGS),)
+CFLAGS += $(EXTRA_CFLAGS)
+endif
+
LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
INSTALL ?= install