From f3690d00ac52490495efde79a11a96852d8fded2 Mon Sep 17 00:00:00 2001
From: heckflosse <heckflosse67@gmx.de>
Date: Wed, 25 Oct 2017 17:36:43 +0200
Subject: [PATCH] Make compilation unit rtengine/rtlensfun.cc -Wextra clean,
 #4155

---
 rtengine/rtlensfun.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/rtengine/rtlensfun.cc b/rtengine/rtlensfun.cc
index ed19f44f0..29dfacb17 100644
--- a/rtengine/rtlensfun.cc
+++ b/rtengine/rtlensfun.cc
@@ -75,11 +75,19 @@ bool LFModifier::isCACorrectionAvailable() const
     return false;
 }
 
+#ifdef __GNUC__ // silence warning, can be removed when function is implemented
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
 
 void LFModifier::correctCA(double &x, double &y, int channel) const
 {
 }
 
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
 
 void LFModifier::processVignetteLine(int width, int y, float *line) const
 {