From 0f875c3664467ff73578818ed2f0e77513c0ad01 Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 28 Jun 2006 21:33:39 +0000
Subject: [PATCH] ?= just checks to see if a variable is not yet defined. If
MENUSELECT_CFLAGS was not found in the user level makeopts file, the variable
is defined, but empty.
I wish we could just require GNU make 3.81 :)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@36229 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
Makefile | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index bbf3a66997..bebfbb8d60 100644
--- a/Makefile
+++ b/Makefile
@@ -134,7 +134,9 @@ OTHER_SUBDIR_CFLAGS=-I../include -I..
ifeq ($(origin MENUSELECT_CFLAGS),undefined)
MENUSELECT_CFLAGS:=$(shell grep MENUSELECT_CFLAGS $(USER_MAKEOPTS) .)
- MENUSELECT_CFLAGS?=$(shell grep MENUSELECT_CFLAGS $(GLOBAL_MAKEOPTS) .)
+ ifeq ($(MENUSELECT_CFLAGS),)
+ MENUSELECT_CFLAGS:=$(shell grep MENUSELECT_CFLAGS $(GLOBAL_MAKEOPTS) .)
+ endif
ifneq ($(MENUSELECT_CFLAGS),)
MENUSELECT_CFLAGS:=$(shell echo $(MENUSELECT_CFLAGS) | cut -f2 -d'=')
endif
--
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