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Enabled "GLIBC_COMPATIBILITY" option by default [#CLICKHOUSE-3275].

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This commit is contained in:
Alexey Milovidov 2017-09-17 01:41:20 +03:00
parent 7a85eab260
commit a726f2831c
2 changed files with 7 additions and 4 deletions
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9
CMakeLists.txt
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@ -71,8 +71,13 @@ if (USE_STATIC_LIBRARIES)
list(REVERSE CMAKE_FIND_LIBRARY_SUFFIXES)
endif ()
option (USE_INTERNAL_MEMCPY "Use internal implementation of 'memcpy' function instead of provided by libc. Only for x86_64." ON)
option (GLIBC_COMPATIBILITY "Set to TRUE to enable compatibility with older glibc libraries. Implies USE_INTERNAL_MEMCPY." OFF)
if (CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
option (USE_INTERNAL_MEMCPY "Use internal implementation of 'memcpy' function instead of provided by libc. Only for x86_64." ON)
if (CMAKE_SYSTEM MATCHES "Linux")
option (GLIBC_COMPATIBILITY "Set to TRUE to enable compatibility with older glibc libraries. Only for x86_64, Linux. Implies USE_INTERNAL_MEMCPY." ON)
endif()
endif ()
if (GLIBC_COMPATIBILITY)
set (USE_INTERNAL_MEMCPY ON)

2
libs/libglibc-compatibility/glibc-compatibility.c
View File

@ -1,8 +1,6 @@
/** Allows to build programs with libc 2.18 and run on systems with at least libc 2.4,
* such as Ubuntu Lucid or CentOS 6.
*
* Highly experimental, not recommended, disabled by default.
*
* Also look at http://www.lightofdawn.org/wiki/wiki.cgi/NewAppsOnOldGlibc
*/