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ClickHouse/cmake/unwind.cmake

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Force libunwind usage (removes gcc_eh support) libunwind is reentrant and signal safe, and works faster then then gcc_eh (plus it has some custom patches for problems that have been found during it's usage in ClickHouse). gcc_eh may be missing in the system (if gcc was not installed), and even if it exists clickhouse uses -nodefaultlibs, so some care should be made to make it work. Also this library is tiny and there shouln't be any problem to require it always (there is already tendency to require some contrib libraries, i.e. poco). Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
2023-05-03 08:09:11 +00:00
add_subdirectory(contrib/libunwind-cmake)
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