2019-08-28 20:49:37 +00:00
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if (GLIBC_COMPATIBILITY)
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2021-03-02 19:09:37 +00:00
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add_subdirectory(memcpy)
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2021-03-13 19:39:10 +00:00
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if(TARGET memcpy)
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set(MEMCPY_LIBRARY memcpy)
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endif()
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2020-10-01 07:38:06 +00:00
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2019-08-28 20:49:37 +00:00
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enable_language(ASM)
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2019-04-11 19:28:29 +00:00
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2019-08-28 20:49:37 +00:00
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add_headers_and_sources(glibc_compatibility .)
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add_headers_and_sources(glibc_compatibility musl)
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2021-05-08 12:24:04 +00:00
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if (ARCH_AARCH64)
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2019-10-13 16:06:54 +00:00
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list (APPEND glibc_compatibility_sources musl/aarch64/syscall.s musl/aarch64/longjmp.s)
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set (musl_arch_include_dir musl/aarch64)
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elseif (ARCH_AMD64)
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list (APPEND glibc_compatibility_sources musl/x86_64/syscall.s musl/x86_64/longjmp.s)
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set (musl_arch_include_dir musl/x86_64)
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else ()
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message (FATAL_ERROR "glibc_compatibility can only be used on x86_64 or aarch64.")
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endif ()
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2019-04-11 19:28:29 +00:00
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2019-12-09 13:25:54 +00:00
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# Need to omit frame pointers to match the performance of glibc
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer")
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2019-08-28 20:49:37 +00:00
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add_library(glibc-compatibility STATIC ${glibc_compatibility_sources})
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2021-08-16 00:16:45 +00:00
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target_no_warning(glibc-compatibility unused-command-line-argument)
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target_no_warning(glibc-compatibility unused-but-set-variable)
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target_no_warning(glibc-compatibility builtin-requires-header)
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2019-12-15 06:18:08 +00:00
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2019-10-13 16:06:54 +00:00
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target_include_directories(glibc-compatibility PRIVATE libcxxabi ${musl_arch_include_dir})
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2019-08-28 20:49:37 +00:00
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2023-01-03 18:51:10 +00:00
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if (ENABLE_OPENSSL_DYNAMIC)
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2019-09-17 10:37:35 +00:00
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target_compile_options(glibc-compatibility PRIVATE -fPIC)
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2019-08-28 20:49:37 +00:00
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endif ()
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2021-03-13 19:39:10 +00:00
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target_link_libraries(global-libs INTERFACE glibc-compatibility ${MEMCPY_LIBRARY})
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2019-08-28 20:49:37 +00:00
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message (STATUS "Some symbols from glibc will be replaced for compatibility")
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2021-03-02 19:09:37 +00:00
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2022-03-28 13:53:22 +00:00
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elseif (CLICKHOUSE_OFFICIAL_BUILD)
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2019-08-28 20:49:37 +00:00
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message (WARNING "Option GLIBC_COMPATIBILITY must be turned on for production builds.")
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endif ()
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