From a213fad532bda65d3a4089acdf9f4027f0d2a828 Mon Sep 17 00:00:00 2001
From: lbartoletti <lbartoletti@users.noreply.github.com>
Date: Wed, 4 Apr 2018 13:17:57 +0200
Subject: [PATCH] Fix travis with ccache (#6745)

---
 .ci/travis/code_layout/install.sh     |  2 +-
 .ci/travis/linux/docker-build-test.sh |  1 +
 CMakeLists.txt                        | 13 ++++++++-----
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/.ci/travis/code_layout/install.sh b/.ci/travis/code_layout/install.sh
index 9443f857194..9bb26a5da54 100755
--- a/.ci/travis/code_layout/install.sh
+++ b/.ci/travis/code_layout/install.sh
@@ -18,6 +18,6 @@ export CORES=2
 mkdir build
 pushd build
 
-cmake -DWITH_CORE=OFF -DWITH_APIDOC=ON -DWITH_ASTYLE=ON -DENABLE_TESTS=ON ..
+cmake -DUSE_CCACHE=OFF -DWITH_CORE=OFF -DWITH_APIDOC=ON -DWITH_ASTYLE=ON -DENABLE_TESTS=ON ..
 
 popd
diff --git a/.ci/travis/linux/docker-build-test.sh b/.ci/travis/linux/docker-build-test.sh
index 761810d1453..1453171c358 100755
--- a/.ci/travis/linux/docker-build-test.sh
+++ b/.ci/travis/linux/docker-build-test.sh
@@ -39,6 +39,7 @@ echo "travis_fold:start:cmake"
 echo "${bold}Running cmake...${endbold}"
 cmake \
  -GNinja \
+ -DUSE_CCACHE=OFF \
  -DWITH_3D=ON \
  -DWITH_STAGED_PLUGINS=ON \
  -DWITH_GRASS=OFF \
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59a64dc38ba..357224ad21d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,11 +29,14 @@ SET(CMAKE_COLOR_MAKEFILE ON)
 SET(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
 
 # Configure CCache if available
-find_program(CCACHE_FOUND ccache)
-if(CCACHE_FOUND)
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
-endif(CCACHE_FOUND)
+option(USE_CCACHE "Use ccache" ON)
+if (USE_CCACHE)
+    find_program(CCACHE_FOUND ccache)
+    if(CCACHE_FOUND)
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+    endif(CCACHE_FOUND)
+endif()
 
 # in generated makefiles use relative paths so the project dir is moveable
 # Note commented out since it cause problems but it would be nice to resolve these and enable