From 54fa2c8635fea4d236d71e7e7ac4032a04fcba9e Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <Patrick.Pelissier@gmail.com>
Date: Thu, 29 Mar 2018 20:12:53 +0200
Subject: [PATCH] Don't assume boost is always installed on the platform.

---
 bench/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bench/Makefile b/bench/Makefile
index a5282333..66dbde02 100644
--- a/bench/Makefile
+++ b/bench/Makefile
@@ -255,9 +255,11 @@ bench-xxhash0:
 	$(CC) $(CFLAGS) $(CPPFLAGS) -I "$${XXHASH}/" bench-xxhash.c "$${XXHASH}/libxxhash.a" -o bench-xxhash.exe
 	@./bench-xxhash.exe 70
 
-# BOOST is assumed to be installed in the system
+# BOOST shall point to the header location.
 bench-boost:
-	$(CXX) $(CFLAGS) $(CPPFLAGS) bench-boost.cpp -o bench-boost.exe -lpthread
+	@if test -n "$${BOOST}" ; then $(MAKE) bench-boost0 ; else echo "Nothing to be done for BOOST." ; fi
+bench-boost0:
+	$(CXX) $(CFLAGS) $(CPPFLAGS) -I "$${BOOST}" bench-boost.cpp -o bench-boost.exe -lpthread
 	@./bench-boost.exe 60
 
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