From 202034fd60eca48195c1683477c190f79a1c693f Mon Sep 17 00:00:00 2001
From: Mike Hommey <mh@glandium.org>
Date: Thu, 5 May 2022 14:06:22 +0900
Subject: [PATCH] Override Make's default for CC and AR.

---
 Makefile | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 98aa995..44acdee 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,13 @@
 # These variables are specifically meant to be overridable via the make
 # command-line.
-CC ?= clang
+# ?= doesn't work for CC and AR because make has a default value for them.
+ifeq ($(origin CC), default)
+CC := clang
+endif
 NM ?= $(patsubst %clang,%llvm-nm,$(filter-out ccache sccache,$(CC)))
-AR ?= $(patsubst %clang,%llvm-ar,$(filter-out ccache sccache,$(CC)))
+ifeq ($(origin AR), default)
+AR = $(patsubst %clang,%llvm-ar,$(filter-out ccache sccache,$(CC)))
+endif
 EXTRA_CFLAGS ?= -O2 -DNDEBUG
 # The directory where we build the sysroot.
 SYSROOT ?= $(CURDIR)/sysroot
-- 
2.39.5