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Fix launcher not being defined for ccache < 4.0 and slightly cleanup

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This commit is contained in:
Nicolae Vartolomei 2021-12-29 20:25:29 +00:00
parent 738ef41450
commit 2e6c63dbca
1 changed files with 3 additions and 7 deletions
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10
cmake/find/ccache.cmake
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@ -31,6 +31,7 @@ if (CCACHE_FOUND AND NOT COMPILER_MATCHES_CCACHE)
if (CCACHE_VERSION VERSION_GREATER "3.2.0" OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
message(STATUS "Using ${CCACHE_FOUND} ${CCACHE_VERSION}")
set(LAUNCHER ${CCACHE_FOUND})
# debian (debhelpers) set SOURCE_DATE_EPOCH environment variable, that is
# filled from the debian/changelog or current time.
@ -39,13 +40,8 @@ if (CCACHE_FOUND AND NOT COMPILER_MATCHES_CCACHE)
# of the manifest, which do not allow to use previous cache,
# - 4.2+ ccache ignores SOURCE_DATE_EPOCH for every file w/o __DATE__/__TIME__
#
# So for:
# - 4.2+ does not require any sloppiness
# - 4.0+ will ignore SOURCE_DATE_EPOCH environment variable.
if (CCACHE_VERSION VERSION_GREATER_EQUAL "4.2")
message(STATUS "ccache is 4.2+ no quirks for SOURCE_DATE_EPOCH required")
set(LAUNCHER ${CCACHE_FOUND})
elseif (CCACHE_VERSION VERSION_GREATER_EQUAL "4.0")
# Exclude SOURCE_DATE_EPOCH env for ccache versions between [4.0, 4.2).
if (CCACHE_VERSION VERSION_GREATER_EQUAL "4.0" AND CCACHE_VERSION VERSION_LESS "4.2")
message(STATUS "Ignore SOURCE_DATE_EPOCH for ccache")
set(LAUNCHER env -u SOURCE_DATE_EPOCH ${CCACHE_FOUND})
endif()