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Merge pull request #14168 from podshumok/no-ccache-default

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cmake: enable ccache by default if it is installed
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alexey-milovidov 2020-08-28 04:10:22 +03:00 committed by GitHub
commit d9f24b23a6
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1 changed files with 18 additions and 5 deletions
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23
cmake/find/ccache.cmake
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@ -1,12 +1,25 @@
option(ENABLE_CCACHE "Speedup re-compilations using ccache" ON)
if (CMAKE_CXX_COMPILER_LAUNCHER MATCHES "ccache" OR CMAKE_CXX_COMPILER_LAUNCHER MATCHES "ccache")
set(COMPILER_MATCHES_CCACHE 1)
else()
set(COMPILER_MATCHES_CCACHE 0)
endif()
if ((ENABLE_CCACHE OR NOT DEFINED ENABLE_CCACHE) AND NOT COMPILER_MATCHES_CCACHE)
find_program (CCACHE_FOUND ccache)
endif()
if (NOT CCACHE_FOUND AND NOT DEFINED ENABLE_CCACHE AND NOT COMPILER_MATCHES_CCACHE)
message(WARNING "CCache is not found. We recommend setting it up if you build ClickHouse from source often. "
"Setting it up will significantly reduce compilation time for 2nd and consequent builds")
endif()
option(ENABLE_CCACHE "Speedup re-compilations using ccache" ${CCACHE_FOUND})
if (NOT ENABLE_CCACHE)
return()
endif()
find_program (CCACHE_FOUND ccache)
if (CCACHE_FOUND AND NOT CMAKE_CXX_COMPILER_LAUNCHER MATCHES "ccache" AND NOT CMAKE_CXX_COMPILER MATCHES "ccache")
if (CCACHE_FOUND AND NOT COMPILER_MATCHES_CCACHE)
execute_process(COMMAND ${CCACHE_FOUND} "-V" OUTPUT_VARIABLE CCACHE_VERSION)
string(REGEX REPLACE "ccache version ([0-9\\.]+).*" "\\1" CCACHE_VERSION ${CCACHE_VERSION})
@ -17,6 +30,6 @@ if (CCACHE_FOUND AND NOT CMAKE_CXX_COMPILER_LAUNCHER MATCHES "ccache" AND NOT CM
else ()
message(${RECONFIGURE_MESSAGE_LEVEL} "Not using ${CCACHE_FOUND} ${CCACHE_VERSION} bug: https://bugzilla.samba.org/show_bug.cgi?id=8118")
endif ()
elseif (NOT CCACHE_FOUND)
elseif (NOT CCACHE_FOUND AND NOT COMPILER_MATCHES_CCACHE)
message (${RECONFIGURE_MESSAGE_LEVEL} "Cannot use ccache")
endif ()