From a14892773c3521f6c1e4852eec75f38f06663355 Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Wed, 25 Jan 2017 09:05:27 +0100
Subject: [PATCH] Added CCACHE detection and option to disable.

---
 CMakeLists.txt            | 6 ++++++
 cmake/ConfigOptions.cmake | 1 +
 2 files changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 654aa5e26..8b65c735a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,6 +107,12 @@ if(CMAKE_CROSSCOMPILING)
 	SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
 endif(CMAKE_CROSSCOMPILING)
 
+find_program(CCACHE ccache)
+if(CCACHE AND WITH_CCACHE)
+	set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE})
+	set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${CCACHE})
+endif(CCACHE AND WITH_CCACHE)
+
 include(GetGitRevisionDescription)
 git_get_exact_tag(GIT_REVISION --tags --always)
 
diff --git a/cmake/ConfigOptions.cmake b/cmake/ConfigOptions.cmake
index af181c845..905863eed 100644
--- a/cmake/ConfigOptions.cmake
+++ b/cmake/ConfigOptions.cmake
@@ -128,6 +128,7 @@ option(WITH_DEBUG_XV "Print XVideo debug messages" ${DEFAULT_DEBUG_OPTION})
 option(WITH_DEBUG_RINGBUFFER "Enable Ringbuffer debug messages" ${DEFAULT_DEBUG_OPTION})
 
 option(WITH_DEBUG_SYMBOLS "Pack debug symbols to installer" OFF)
+option(WITH_CCACHE "Use ccache support if available" ON)
 
 if(ANDROID)
 include(ConfigOptionsAndroid)