From c45754eef74b5e7537b718314a4c3d0795be0245 Mon Sep 17 00:00:00 2001
From: jcoupey <git@coupey.fr>
Date: Fri, 17 Apr 2020 15:24:06 +0200
Subject: [PATCH] Filter out -std=c++14 flag when building against libosrm,
 fixes #311.

---
 src/makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/makefile b/src/makefile
index 3a750d332..0b4b8d22d 100644
--- a/src/makefile
+++ b/src/makefile
@@ -28,7 +28,8 @@ SRC = $(wildcard *.cpp)\
 # Checking for libosrm
 ifeq ($(shell pkg-config --exists libosrm && echo 1),1)
 LDLIBS += $(shell pkg-config --libs libosrm) -lboost_filesystem -lboost_iostreams -lboost_thread -lrt -ltbb
-CXXFLAGS += $(shell pkg-config --cflags libosrm) -D USE_LIBOSRM=true
+LIBOSRMFLAGS = $(shell pkg-config --cflags libosrm)
+CXXFLAGS += $(filter-out -std=c++14, $(LIBOSRMFLAGS)) -D USE_LIBOSRM=true
 else
 	SRC := $(filter-out ./routing/libosrm_wrapper.cpp, $(SRC))
 endif