cmake: move functions to src/cmake

Change-Id: Ibcb7105fa7e3c09efdce01bccd4de235fe33ea99
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/cmake/ccache.cmake b/src/cmake/ccache.cmake
new file mode 100644
index 00000000000..058a0f3d85a
--- /dev/null
+++ b/src/cmake/ccache.cmake
@@ -0,0 +1,28 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+##############################################################################
+# ccache
+##############################################################################
+option(VPP_USE_CCACHE "Use ccache compiler cache." ON)
+if(VPP_USE_CCACHE)
+  find_program(CCACHE_FOUND ccache)
+  message(STATUS "Looking for ccache")
+  if(CCACHE_FOUND)
+    message(STATUS "Looking for ccache - found")
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+  else(CCACHE_FOUND)
+    message(STATUS "Looking for ccache - not found")
+  endif(CCACHE_FOUND)
+endif(VPP_USE_CCACHE)