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Use ccache for faster compilation if available. (#525)

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* Use ccache only when requested via cmake -DUSE_CCACHE=on
* Add link to https://ccache.dev in comment about using ccache.
* Issue success / missing ccache message when ccache is requested during the CCACHE run
* Issue cmake warning instead of cmake status message when use of ccache is requested but ccache cannot be found.
This commit is contained in:
Ulrich Germann 2019-10-30 17:29:27 +00:00 committed by Roman Grundkiewicz
parent e53a46ae21
commit 7b36b329ef
1 changed files with 12 additions and 0 deletions
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12
CMakeLists.txt
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@ -25,6 +25,18 @@ option(COMPILE_TESTS "Compile tests" OFF)
option(COMPILE_SERVER "Compile marian-server" OFF)
option(USE_DOXYGEN "Build documentation with Doxygen" ON)
option(USE_CCACHE "Use ccache compiler cache (https://ccache.dev)" OFF)
# use ccache (https://ccache.dev) for faster compilation if requested and available
if(USE_CCACHE)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
message(STATUS "Found and will be using ccache for faster repeat compilation (use cmake -DUSE_CCACHE=off to disable).")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
else(CCACHE_PROGRAM)
message(WARNING "Compilation with ccache requested but no ccache found.")
endif(CCACHE_PROGRAM)
endif(USE_CCACHE)
# Project versioning
find_package(Git QUIET)