From a66dcf58f7c11fb358fb7f6d140c586a5202b981 Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Wed, 5 Feb 2020 09:57:22 +0100
Subject: [PATCH] Fix for failing build without PCH

---
 src/libslic3r/Flow.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/Flow.cpp b/src/libslic3r/Flow.cpp
index 9ac91c51d4..b367be0226 100644
--- a/src/libslic3r/Flow.cpp
+++ b/src/libslic3r/Flow.cpp
@@ -4,6 +4,7 @@
 #include <cmath>
 #include <assert.h>
 
+#include <boost/algorithm/string/predicate.hpp>
 
 // Mark string for localization and translate.
 #define L(s) Slic3r::I18N::translate(s)