From 2558763266ecb515951809e5d6b9c846faa17a14 Mon Sep 17 00:00:00 2001
From: Benjamin Byholm <bbyholm@abo.fi>
Date: Sat, 17 Mar 2018 14:44:10 +0200
Subject: [PATCH] Silence g++7 switch case fallthrough warnings

---
 src/sass_types/color.cpp | 2 +-
 src/sass_types/color.h   | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/sass_types/color.cpp b/src/sass_types/color.cpp
index 57efab3da..40358a2c3 100644
--- a/src/sass_types/color.cpp
+++ b/src/sass_types/color.cpp
@@ -28,7 +28,7 @@ namespace SassTypes
       }
 
       a = Nan::To<double>(raw_val[3]).FromJust();
-      // fall through vvv
+      NODE_SASS_FALLTHROUGH;
 
     case 3:
       if (!raw_val[0]->IsNumber() || !raw_val[1]->IsNumber() || !raw_val[2]->IsNumber()) {
diff --git a/src/sass_types/color.h b/src/sass_types/color.h
index 0be355110..1bf904307 100644
--- a/src/sass_types/color.h
+++ b/src/sass_types/color.h
@@ -4,6 +4,12 @@
 #include <nan.h>
 #include "sass_value_wrapper.h"
 
+#if defined(__GNUC__) && __GNUC__ >= 7
+#define NODE_SASS_FALLTHROUGH __attribute__ ((fallthrough))
+#else
+#define NODE_SASS_FALLTHROUGH
+#endif
+
 namespace SassTypes
 {
   class Color : public SassValueWrapper<Color> {