[btls] Enable ccache support for cmake. (#5332)

diff --git a/mono/btls/CMakeLists.txt b/mono/btls/CMakeLists.txt
index d33038d75cfe1fd42710c04b2c560491f96a1925..8b9e4eb0cab58941efc00bb0c407b4ec61a4fab4 100644 (file)
--- a/mono/btls/CMakeLists.txt
+++ b/mono/btls/CMakeLists.txt
@@ -12,6 +12,11 @@ endif()
 enable_language(C)
 enable_language(CXX)
 
+find_program(CCACHE_PROGRAM ccache)
+if(CCACHE_PROGRAM)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
+endif()
+
 # FIXME: cmake's asm detection is broken when using xcrun.
 set (CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}")
 set (CMAKE_ASM_COMPILER_ARG1 "${CMAKE_C_COMPILER_ARG1}")