From: David Ahern <dsahern@kernel.org>
Date: Mon, 7 Feb 2022 00:02:44 +0000 (-0700)
Subject: configure: Allow command line override of toolchain
X-Git-Tag: v5.18.0~40
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=386ae64c8312dd27b09508993a7c8386aff8b1d3;p=thirdparty%2Fiproute2.git

configure: Allow command line override of toolchain

Easy way to build for both gcc and clang.

Signed-off-by: David Ahern <dsahern@kernel.org>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/configure b/configure
index 8ddff43c6..13f2d1739 100755
--- a/configure
+++ b/configure
@@ -19,10 +19,10 @@ check_toolchain()
     : ${AR=ar}
     : ${CC=gcc}
     : ${YACC=bison}
-    echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG
-    echo "AR:=${AR}" >>$CONFIG
-    echo "CC:=${CC}" >>$CONFIG
-    echo "YACC:=${YACC}" >>$CONFIG
+    echo "PKG_CONFIG?=${PKG_CONFIG}" >>$CONFIG
+    echo "AR?=${AR}" >>$CONFIG
+    echo "CC?=${CC}" >>$CONFIG
+    echo "YACC?=${YACC}" >>$CONFIG
 }
 
 check_atm()