From e595a7e4e0a619f0e3b08c659cb513587e74d14f Mon Sep 17 00:00:00 2001
From: Glenn Washburn <development@efficientek.com>
Date: Fri, 18 Mar 2022 01:41:35 -0500
Subject: [PATCH] configure: Allow HOST_CC to override CC

According to the INSTALL, "The HOST_* variables override not prefixed
variables". This change makes it so, instead of previous behavior, which
was to ignore the HOST_CC environment variable.

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index 3ffbc7c57..7c08ec1be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -79,6 +79,11 @@ grub_TRANSFORM([grub-sparc64-setup])
 grub_TRANSFORM([grub-render-label])
 grub_TRANSFORM([grub-file])
 
+# Allow HOST_CC to override CC.
+if test "x$HOST_CC" != x; then
+  CC=$HOST_CC
+fi
+
 # Optimization flag.  Allow user to override.
 if test "x$TARGET_CFLAGS" = x; then
   TARGET_CFLAGS=-Os