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https://github.com/ClickHouse/ClickHouse.git
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d97455a94b
ccache 4+ starts respecting SOURCE_DATE_EPOCH [1], it will include it
into the hash of the manifest.
SOURCE_DATE_EPOCH will be passed from debhelpers, by extracting last
entry from d/changelog (or current time if there is entries)
And this will make ccache unusable.
Fix this by ignoring SOURCE_DATE_EPOCH, like current ccache version on
CI does (3.7.7)
[1]: 238553a1c4/src/ccache.cpp (L1279)
54 lines
2.3 KiB
CMake
54 lines
2.3 KiB
CMake
if (CMAKE_CXX_COMPILER_LAUNCHER MATCHES "ccache" OR CMAKE_CXX_COMPILER_LAUNCHER MATCHES "ccache")
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set(COMPILER_MATCHES_CCACHE 1)
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else()
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set(COMPILER_MATCHES_CCACHE 0)
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endif()
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if ((ENABLE_CCACHE OR NOT DEFINED ENABLE_CCACHE) AND NOT COMPILER_MATCHES_CCACHE)
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find_program (CCACHE_FOUND ccache)
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if (CCACHE_FOUND)
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set(ENABLE_CCACHE_BY_DEFAULT 1)
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else()
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set(ENABLE_CCACHE_BY_DEFAULT 0)
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endif()
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endif()
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if (NOT CCACHE_FOUND AND NOT DEFINED ENABLE_CCACHE AND NOT COMPILER_MATCHES_CCACHE)
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message(WARNING "CCache is not found. We recommend setting it up if you build ClickHouse from source often. "
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"Setting it up will significantly reduce compilation time for 2nd and consequent builds")
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endif()
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# https://ccache.dev/
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option(ENABLE_CCACHE "Speedup re-compilations using ccache (external tool)" ${ENABLE_CCACHE_BY_DEFAULT})
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if (NOT ENABLE_CCACHE)
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return()
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endif()
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if (CCACHE_FOUND AND NOT COMPILER_MATCHES_CCACHE)
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execute_process(COMMAND ${CCACHE_FOUND} "-V" OUTPUT_VARIABLE CCACHE_VERSION)
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string(REGEX REPLACE "ccache version ([0-9\\.]+).*" "\\1" CCACHE_VERSION ${CCACHE_VERSION})
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if (CCACHE_VERSION VERSION_GREATER "3.2.0" OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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message(STATUS "Using ${CCACHE_FOUND} ${CCACHE_VERSION}")
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# 4+ ccache respect SOURCE_DATE_EPOCH (always includes it into the hash
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# of the manifest) and debian will extract these from d/changelog, and
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# makes cache of ccache unusable
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#
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# FIXME: once sloppiness will be introduced for this this can be removed.
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if (CCACHE_VERSION VERSION_GREATER "4.0")
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message(STATUS "Ignore SOURCE_DATE_EPOCH for ccache")
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set_property (GLOBAL PROPERTY RULE_LAUNCH_COMPILE "env -u SOURCE_DATE_EPOCH ${CCACHE_FOUND}")
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set_property (GLOBAL PROPERTY RULE_LAUNCH_LINK "env -u SOURCE_DATE_EPOCH ${CCACHE_FOUND}")
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else()
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set_property (GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_FOUND})
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set_property (GLOBAL PROPERTY RULE_LAUNCH_LINK ${CCACHE_FOUND})
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endif()
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else ()
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message(${RECONFIGURE_MESSAGE_LEVEL} "Not using ${CCACHE_FOUND} ${CCACHE_VERSION} bug: https://bugzilla.samba.org/show_bug.cgi?id=8118")
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endif ()
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elseif (NOT CCACHE_FOUND AND NOT COMPILER_MATCHES_CCACHE)
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message (${RECONFIGURE_MESSAGE_LEVEL} "Cannot use ccache")
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endif ()
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