From 79200c8a62f939262afd167d48499f380bb88ce9 Mon Sep 17 00:00:00 2001
From: Radovan Bast <bast@users.noreply.github.com>
Date: Sun, 19 Jul 2015 15:43:26 +0200
Subject: [PATCH] workaround to avoid unused warning

---
 modules/fc.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/modules/fc.cmake b/modules/fc.cmake
index ac6c190..f2b2339 100644
--- a/modules/fc.cmake
+++ b/modules/fc.cmake
@@ -60,4 +60,10 @@ if(ENABLE_FC_SUPPORT)
         message(STATUS "FCFLAGS is set to '$ENV{FCFLAGS}'.")
         set(CMAKE_Fortran_FLAGS "$ENV{FCFLAGS}")
     endif()
+else()
+    # workaround to avoid unused warning
+    if(DEFINED EXTRA_FCFLAGS)
+        set(_unused ${EXTRA_FCFLAGS})
+        unset(_unused)
+    endif()
 endif()