From 7d175ee6fb0ef8e833d0abc881c484a28c9aebc6 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 4 Dec 2007 03:00:29 +0000
Subject: [PATCH] enforce gnu make >= 3.81 now. it has become too annoying to
 work around bugs in 3.80

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9654 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/prereq-build.mk | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 1e448d393f..11ee111ced 100644
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -20,11 +20,7 @@ $(eval $(call Require,non-root, \
 
 # Required for the toolchain
 define Require/working-make
-	echo 'all: test' > $(TMP_DIR)/check.mk
-	echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
-	echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
-	echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
-	$(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
+	$(MAKE) -v | awk '($$$$1 == "GNU") && ($$$$2 = "Make") && ($$$$3 >= "3.81") { print "ok" }' | grep ok > /dev/null
 endef
 
 $(eval $(call Require,working-make, \