From 71325828f6a7622353b8ca6f54377ff5a5cad1fb Mon Sep 17 00:00:00 2001
From: Dennis Klein <d.klein@gsi.de>
Date: Fri, 15 Nov 2019 14:43:50 +0100
Subject: [PATCH] CMake: Add option ENABLE_CCACHE

---
 cmake/FairMQLib.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmake/FairMQLib.cmake b/cmake/FairMQLib.cmake
index 612b0fa6..1eee8487 100644
--- a/cmake/FairMQLib.cmake
+++ b/cmake/FairMQLib.cmake
@@ -194,6 +194,13 @@ macro(set_fairmq_defaults)
     endif()
     list(APPEND PROJECT_STATIC_ANALYSERS "${analyser}")
   endif()
+
+  if(CMAKE_GENERATOR STREQUAL Ninja AND ENABLE_CCACHE)
+    find_program(CCACHE ccache)
+    if(CCACHE)
+      set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE})
+    endif()
+  endif()
 endmacro()
 
 function(join VALUES GLUE OUTPUT)