mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2026-10-25 15:46:41 +08:00
Alexey MilovidovandClaude Opus 5.5
8c17c4c926
Use `CACHE INTERNAL` like the Emscripten block, so the disables also apply when reconfiguring an existing build directory or when the options are passed explicitly. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
221 lines
12 KiB
CMake
221 lines
12 KiB
CMake
if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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set (OS_LINUX 1)
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add_definitions(-D OS_LINUX)
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elseif (CMAKE_SYSTEM_NAME MATCHES "Android")
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# This is a toy configuration and not in CI, so expect it to be broken.
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# Use cmake flags such as: -DCMAKE_TOOLCHAIN_FILE=~/ch2/android-ndk-r21d/build/cmake/android.toolchain.cmake -DANDROID_ABI=arm64-v8a -DANDROID_PLATFORM=28
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set (OS_ANDROID 1)
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add_definitions(-D OS_ANDROID)
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elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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set (OS_FREEBSD 1)
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add_definitions(-D OS_FREEBSD)
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elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")
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set (OS_DARWIN 1)
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add_definitions(-D OS_DARWIN)
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# For MAP_ANON/MAP_ANONYMOUS
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add_definitions(-D _DARWIN_C_SOURCE)
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elseif (CMAKE_SYSTEM_NAME MATCHES "SunOS")
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set (OS_SUNOS 1)
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add_definitions(-D OS_SUNOS)
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# Disable features that aren't currently supported on illumos.
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# `CACHE INTERNAL` forces the value, so it also applies on reconfigure of an existing build directory.
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set (ENABLE_AZURE_BLOB_STORAGE OFF CACHE INTERNAL "")
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set (ENABLE_HDFS OFF CACHE INTERNAL "")
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set (ENABLE_LDAP OFF CACHE INTERNAL "")
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set (ENABLE_LIBPQXX OFF CACHE INTERNAL "")
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set (USE_MONGODB OFF CACHE INTERNAL "")
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set (ENABLE_PARQUET OFF CACHE INTERNAL "")
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set (ENABLE_ROCKSDB OFF CACHE INTERNAL "")
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set (ENABLE_SSH OFF CACHE INTERNAL "")
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set (ENABLE_RUST OFF CACHE INTERNAL "")
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elseif (CMAKE_SYSTEM_NAME MATCHES "Emscripten")
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# WebAssembly, through the Emscripten toolchain. Configure with `emcmake cmake ...`, which
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# sets CMAKE_SYSTEM_NAME and points CMAKE_TOOLCHAIN_FILE at Emscripten's own toolchain file.
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# This is experimental and not in CI, so expect it to be broken.
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set (OS_WASM 1)
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add_definitions(-D OS_WASM)
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# Note: unlike the other platforms, no `_GNU_SOURCE`. Emscripten's musl-derived libc declares
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# everything this tree needs without it (`MAP_ANONYMOUS`, for one), and defining it makes
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# OpenSSL select the GNU `strerror_r`, which returns `char *` and which musl does not have.
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else ()
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message (FATAL_ERROR "Platform ${CMAKE_SYSTEM_NAME} is not supported")
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endif ()
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if (OS_WASM)
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# ClickHouse assumes a 64-bit `size_t` and 64-bit pointers pervasively - `1e12uz` literals in
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# `Core/Defines.h`, sizeof-equality static_asserts in ProfileEvents, and so on - so build for
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# the 64-bit Memory64 ABI rather than wasm32. Needs a recent engine (Node >= 23, Chrome >= 133).
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# This is not a choice, hence not an option: a wasm32 build of this tree is not expected to
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# work, and offering the knob would only move the failure to some unrelated place later.
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add_compile_options (-sMEMORY64=1)
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add_link_options (-sMEMORY64=1)
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# ClickHouse catches exceptions everywhere. Emscripten only emits throws by default and turns
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# every `catch` into a no-op, so enable the native WebAssembly exception-handling proposal.
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# It is an ABI flag: it has to be on for every translation unit and at the link.
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add_compile_options (-fwasm-exceptions)
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add_link_options (-fwasm-exceptions)
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# Emscripten implements pthreads on Web Workers plus SharedArrayBuffer, which needs the page
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# to be cross-origin isolated. Also an ABI flag, so compile and link both.
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add_compile_options (-pthread)
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add_link_options (-pthread)
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# Nothing here can work in a WebAssembly sandbox: there are no raw sockets, no subprocesses,
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# no `dlopen`, no JIT and no architecture-specific code paths.
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set (ENABLE_JEMALLOC OFF CACHE INTERNAL "")
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set (ENABLE_GRPC OFF CACHE INTERNAL "")
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# Protobuf needs a `protoc` that runs on the host, and the nested native configure at the
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# bottom of the top-level `CMakeLists.txt` would be handed `emcc` as its host compiler.
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# Arrow, Parquet and ORC hard-depend on it, so they go with it.
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set (ENABLE_PROTOBUF OFF CACHE INTERNAL "")
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# Its `kj` library uses `fallocate` and friends unconditionally in its POSIX branch,
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# which the Emscripten libc does not provide.
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set (ENABLE_CAPNP OFF CACHE INTERNAL "")
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set (ENABLE_PARQUET OFF CACHE INTERNAL "")
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set (ENABLE_ARROW_FLIGHT OFF CACHE INTERNAL "")
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set (ENABLE_HDFS OFF CACHE INTERNAL "")
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set (ENABLE_MYSQL OFF CACHE INTERNAL "")
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set (ENABLE_LIBPQXX OFF CACHE INTERNAL "")
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set (ENABLE_NURAFT OFF CACHE INTERNAL "")
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set (ENABLE_KAFKA OFF CACHE INTERNAL "")
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set (ENABLE_AMQPCPP OFF CACHE INTERNAL "")
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set (ENABLE_NATS OFF CACHE INTERNAL "")
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set (ENABLE_CASSANDRA OFF CACHE INTERNAL "")
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# Raw sockets like the rest, and its `mlib` has an explicit #error for platforms
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# it does not recognize (`mlib/time_point.h`: "We do not know how to get the
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# current time on this platform").
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set (USE_MONGODB OFF CACHE INTERNAL "")
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set (ENABLE_AZURE_BLOB_STORAGE OFF CACHE INTERNAL "")
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set (ENABLE_AWS_S3 OFF CACHE INTERNAL "")
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set (ENABLE_S3 OFF CACHE INTERNAL "")
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set (ENABLE_HIVE OFF CACHE INTERNAL "")
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set (ENABLE_ODBC OFF CACHE INTERNAL "")
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set (ENABLE_LDAP OFF CACHE INTERNAL "")
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set (ENABLE_KRB5 OFF CACHE INTERNAL "")
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set (ENABLE_GSASL_LIBRARY OFF CACHE INTERNAL "")
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set (ENABLE_CURL OFF CACHE INTERNAL "")
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# `libssh` needs raw sockets, and its config headers are pregenerated per platform.
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set (ENABLE_SSH OFF CACHE INTERNAL "")
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# This also turns off `wasmtime`, the engine behind WebAssembly UDFs: a host WebAssembly
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# runtime inside a WebAssembly sandbox would need to run guest modules from native code,
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# which this target cannot provide.
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set (ENABLE_RUST OFF CACHE INTERNAL "")
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set (ENABLE_DELTA_KERNEL_RS OFF CACHE INTERNAL "")
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set (ENABLE_EMBEDDED_COMPILER OFF CACHE INTERNAL "")
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set (ENABLE_DWARF_PARSER OFF CACHE INTERNAL "")
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set (ENABLE_ROCKSDB OFF CACHE INTERNAL "")
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set (ENABLE_VECTORSCAN OFF CACHE INTERNAL "")
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set (ENABLE_FASTOPS OFF CACHE INTERNAL "")
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# BLAKE3 is Rust, and its build pulls in a subset of llvm-project.
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set (ENABLE_BLAKE3 OFF CACHE INTERNAL "")
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# No assembler, so OpenSSL has to come from its portable C sources.
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set (OPENSSL_NO_ASM ON CACHE INTERNAL "")
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# No `libunwind`, and WebAssembly cannot walk its own call stack from user code.
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set (USE_UNWIND OFF CACHE INTERNAL "")
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set (GLIBC_COMPATIBILITY OFF CACHE INTERNAL "")
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# The Emscripten sysroot supplies its own math.
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set (ENABLE_LLVM_LIBC_MATH OFF CACHE INTERNAL "")
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# Emscripten's libc++ is not the patched one from `contrib/libcxx-cmake`, so an exception
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# carries no stack trace. See `base/defines.h`.
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add_definitions (-D STD_EXCEPTION_HAS_STACK_TRACE=0)
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# Executable links. The Emscripten defaults are sized for small programs: a 64 KiB shadow
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# stack and a fixed 16 MiB linear memory, while `clickhouse` needs ~50 MiB for static data
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# alone. An 8 MiB stack matches `DBMS_DEFAULT_THREAD_STACK_SIZE`. Memory starts at 2 GiB, enough for
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# `clickhouse local` to start without growing it: V8 checks some accesses against a per-thread copy of
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# the memory size that a grow on another thread updates later, so they can trap in just-grown memory
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# (https://issues.chromium.org/issues/529880019). It may still grow (the maximum has to be explicit
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# when growth is combined with shared memory).
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add_link_options (-sSTACK_SIZE=8388608)
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add_link_options (-sINITIAL_MEMORY=2147483648)
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add_link_options (-sALLOW_MEMORY_GROWTH=1)
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add_link_options (-sMAXIMUM_MEMORY=17179869184)
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# No DWARF in the linked module: binaryen's `wasm-opt` asserts in its debug-info
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# bookkeeping (`AddrExprMap::add`) on a module with this much DWARF, and gigabytes
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# of debug info are of no use to a WebAssembly engine anyway. `-g0` comes after the
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# `-g` from RelWithDebInfo on the link line, and the last one wins; `emcc` then has
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# `wasm-ld` strip the debug sections of the inputs.
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add_link_options (-g0)
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# This code blocks its calling thread freely (thread pools, condition variables). In a
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# browser the main thread must keep running the event loop, or the Web Workers that back
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# new pthreads can never be spawned and the first blocking `pthread_create` deadlocks the
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# page. Run `main` on a pthread of its own and leave the browser thread to the event loop.
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add_link_options (-sPROXY_TO_PTHREAD=1)
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# These are command-line programs: when `main` returns, tear the runtime down - including
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# the Workers backing the remaining background threads, which would otherwise keep the
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# process (or the page) alive indefinitely.
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add_link_options (-sEXIT_RUNTIME=1)
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endif ()
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# Since we always use toolchain files to generate hermetic builds, cmake will
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# always think it's a cross-compilation, See
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# https://cmake.org/cmake/help/latest/variable/CMAKE_CROSSCOMPILING.html
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#
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# This will slow down cmake configuration and compilation. For instance, LLVM
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# will try to configure NATIVE LLVM targets with all tests enabled (You'll see
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# Building native llvm-tblgen...).
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#
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# Here, we set it manually by checking the system name and processor.
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if (${CMAKE_SYSTEM_NAME} STREQUAL ${CMAKE_HOST_SYSTEM_NAME} AND ${CMAKE_SYSTEM_PROCESSOR} STREQUAL ${CMAKE_HOST_SYSTEM_PROCESSOR})
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set (CMAKE_CROSSCOMPILING 0)
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endif ()
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if (CMAKE_CROSSCOMPILING)
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if (OS_DARWIN)
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set (ENABLE_FASTOPS OFF CACHE INTERNAL "")
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elseif (OS_LINUX OR OS_ANDROID)
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if (ARCH_PPC64LE)
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set (ENABLE_GRPC OFF CACHE INTERNAL "")
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set (ENABLE_ARROW_FLIGHT OFF CACHE INTERNAL "")
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elseif (ARCH_RISCV64)
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# RISC-V support is preliminary
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set (GLIBC_COMPATIBILITY OFF CACHE INTERNAL "")
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set (ENABLE_LDAP OFF CACHE INTERNAL "")
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set (OPENSSL_NO_ASM ON CACHE INTERNAL "")
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set (ENABLE_JEMALLOC ON CACHE INTERNAL "")
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set (ENABLE_PARQUET OFF CACHE INTERNAL "")
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set (ENABLE_GRPC OFF CACHE INTERNAL "")
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set (ENABLE_HDFS OFF CACHE INTERNAL "")
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set (ENABLE_MYSQL OFF CACHE INTERNAL "")
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# It might be ok, but we need to update 'sysroot'
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set (ENABLE_RUST OFF CACHE INTERNAL "")
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elseif (ARCH_S390X)
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set (ENABLE_GRPC OFF CACHE INTERNAL "")
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set (ENABLE_ARROW_FLIGHT OFF CACHE INTERNAL "")
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set (ENABLE_RUST OFF CACHE INTERNAL "")
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elseif (ARCH_LOONGARCH64)
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set (GLIBC_COMPATIBILITY OFF CACHE INTERNAL "")
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set (ENABLE_LDAP OFF CACHE INTERNAL "")
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set (OPENSSL_NO_ASM ON CACHE INTERNAL "")
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set (ENABLE_JEMALLOC OFF CACHE INTERNAL "")
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set (ENABLE_PARQUET OFF CACHE INTERNAL "")
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set (ENABLE_GRPC OFF CACHE INTERNAL "")
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set (ENABLE_HDFS OFF CACHE INTERNAL "")
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set (ENABLE_MYSQL OFF CACHE INTERNAL "")
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set (ENABLE_RUST OFF CACHE INTERNAL "")
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set (ENABLE_LIBPQXX OFF CACHE INTERNAL "")
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set (ENABLE_EMBEDDED_COMPILER OFF CACHE INTERNAL "")
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set (ENABLE_DWARF_PARSER OFF CACHE INTERNAL "")
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set (ENABLE_BLAKE3 OFF CACHE INTERNAL "")
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elseif (ARCH_E2K)
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# added for future use
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# for now, we're compiling it natively.
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endif ()
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elseif (OS_FREEBSD)
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# FIXME: broken dependencies
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set (ENABLE_EMBEDDED_COMPILER OFF CACHE INTERNAL "")
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set (ENABLE_DWARF_PARSER OFF CACHE INTERNAL "")
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elseif (OS_SUNOS)
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# The SunOS toolchain supplies the cross compiler and sysroot.
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elseif (OS_WASM)
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# Handled in the OS_WASM block above: it has to run before this one, because the
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# `CMAKE_CROSSCOMPILING` check below it needs `OS_WASM` to already be set.
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else ()
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message (FATAL_ERROR "Trying to cross-compile to unsupported system: ${CMAKE_SYSTEM_NAME}!")
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endif ()
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message (STATUS "Cross-compiling for target: ${CMAKE_CXX_COMPILER_TARGET}")
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endif ()
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