From 330b042e6e768ab5dc23893abd87ccdee8d208bc Mon Sep 17 00:00:00 2001
From: Florian Lugou <florian.lugou@telecom-paristech.fr>
Date: Thu, 14 Sep 2017 14:22:15 +0200
Subject: [PATCH] fixed bug with gradle version in Makefile

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3301c6ce7c..99250484e3 100755
--- a/Makefile
+++ b/Makefile
@@ -7,14 +7,14 @@ TAR			= tar
 GZIP			= gzip
 GRADLE			= $(shell which gradle)
 GRADLE_VERSION_NEEDED	= 3.3
-ERROR_MSG		= echo "$(COLOR)\nBuild with gradle failed. Falling back to regular javac command...\n$(RESET)"
+ERROR_MSG		= echo -e "$(COLOR)\nBuild with gradle failed. Falling back to regular javac command...\n$(RESET)"
 
 ifeq "$(GRADLE)" ""
     ERROR_MSG	= echo "Gradle was not found. Falling back to regular javac command...\n"
     GRADLE 	= false && echo >/dev/null
 else
     GRADLE_VERSION 	:= $(shell $(GRADLE) --version | grep "^Gradle" | awk '{print $$2}')
-    GRADLE_VERSION_MIN 	:= $(shell echo "$(GRADLE_VERSION_NEEDED)\n$(GRADLE_VERSION)" | sort -V 2>/dev/null | head -n1)
+    GRADLE_VERSION_MIN 	:= $(shell echo -e "$(GRADLE_VERSION_NEEDED)\n$(GRADLE_VERSION)" | sort -V 2>/dev/null | head -n1)
     ifneq "$(GRADLE_VERSION_NEEDED)" "$(GRADLE_VERSION_MIN)"
 	ERROR_MSG	= echo "$(COLOR)Gradle $(GRADLE_VERSION) is too old. Needs at least $(GRADLE_VERSION_NEEDED). Falling back to regular javac command...\n$(RESET)"
 	GRADLE = false && echo >/dev/null
-- 
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