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Commit 1ae41ce

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JamieMageeaduh95
JamieMagee
authored and
aduh95
committed
doc: note GCC >= 14 requirement for native riscv64 builds
V8's deps/v8/src/base/cpu.cc unconditionally includes <riscv_vector.h> and uses __attribute__((target("arch=+v"))) for runtime RVV detection when V8_HOST_ARCH_RISCV64 is defined (native builds only). GCC 13 does not support the RISC-V target attribute and its riscv_vector.h cannot be included without -march=rv64gcv, so native riscv64 builds require GCC >= 14 or Clang >= 19. Add a footnote to the riscv64 row in the platform list table to document this. Cross-compilation from x64 is not affected. Refs: nodejs/build#4099 Signed-off-by: Jamie Magee <jamie.magee@gmail.com> PR-URL: #62607 Refs: nodejs/build#4099 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: René <contact.9a5d6388@renegade334.me.uk> Reviewed-By: Stewart X Addison <sxa@redhat.com>
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‎BUILDING.md‎

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@@ -104,26 +104,26 @@ Node.js does not support a platform version if a vendor has expired support
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for it. In other words, Node.js does not support running on End-of-Life (EoL)
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platforms. This is true regardless of entries in the table below.
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| Operating System | Architectures | Versions | Support Type | Notes |
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| ---------------- | ---------------- | --------------------------------- | ------------ | ------------------------------------ |
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| GNU/Linux | x64 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 1 | e.g. Ubuntu 20.04, Debian 10, RHEL 8 |
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| GNU/Linux | x64 | kernel >= 3.10, musl >= 1.1.19 | Experimental | e.g. Alpine 3.8 |
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| GNU/Linux | x86 | kernel >= 3.10, glibc >= 2.17 | Experimental | Downgraded as of Node.js 10 |
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| GNU/Linux | arm64 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 1 | e.g. Ubuntu 20.04, Debian 10, RHEL 8 |
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| GNU/Linux | armv7 | kernel >= 4.18[^1], glibc >= 2.28 | Experimental | Downgraded as of Node.js 24 |
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| GNU/Linux | armv6 | kernel >= 4.14, glibc >= 2.24 | Experimental | Downgraded as of Node.js 12 |
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| GNU/Linux | ppc64le >=power9 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 2 | e.g. Ubuntu 20.04, RHEL 8 |
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| GNU/Linux | s390x >=z14 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 2 | e.g. RHEL 8 |
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| GNU/Linux | loong64 | kernel >= 5.19, glibc >= 2.36 | Experimental | |
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| GNU/Linux | riscv64 | kernel >= 5.19, glibc >= 2.36 | Experimental | |
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| Windows | x64 | >= Windows 10/Server 2016 | Tier 1 | [^2],[^3] |
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| Windows | arm64 | >= Windows 10 | Tier 2 | |
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| macOS | x64 | >= 13.5 | Tier 1 | For notes about compilation see [^4] |
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| macOS | arm64 | >= 13.5 | Tier 1 | |
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| SmartOS | x64 | >= 18 | Tier 2 | |
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| AIX | ppc64be >=power9 | >= 7.2 TL04 | Tier 2 | |
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| FreeBSD | x64 | >= 13.2 | Experimental | |
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| OpenHarmony | arm64 | >= 5.0 | Experimental | |
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| Operating System | Architectures | Versions | Support Type | Notes |
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| ---------------- | ---------------- | --------------------------------- | ------------ | ---------------------------------------------- |
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| GNU/Linux | x64 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 1 | e.g. Ubuntu 20.04, Debian 10, RHEL 8 |
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| GNU/Linux | x64 | kernel >= 3.10, musl >= 1.1.19 | Experimental | e.g. Alpine 3.8 |
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| GNU/Linux | x86 | kernel >= 3.10, glibc >= 2.17 | Experimental | Downgraded as of Node.js 10 |
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| GNU/Linux | arm64 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 1 | e.g. Ubuntu 20.04, Debian 10, RHEL 8 |
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| GNU/Linux | armv7 | kernel >= 4.18[^1], glibc >= 2.28 | Experimental | Downgraded as of Node.js 24 |
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| GNU/Linux | armv6 | kernel >= 4.14, glibc >= 2.24 | Experimental | Downgraded as of Node.js 12 |
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| GNU/Linux | ppc64le >=power9 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 2 | e.g. Ubuntu 20.04, RHEL 8 |
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| GNU/Linux | s390x >=z14 | kernel >= 4.18[^1], glibc >= 2.28 | Tier 2 | e.g. RHEL 8 |
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| GNU/Linux | loong64 | kernel >= 5.19, glibc >= 2.36 | Experimental | |
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| GNU/Linux | riscv64 | kernel >= 5.19, glibc >= 2.36 | Experimental | GCC >= 14 or Clang >= 19 for native builds[^7] |
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| Windows | x64 | >= Windows 10/Server 2016 | Tier 1 | [^2],[^3] |
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| Windows | arm64 | >= Windows 10 | Tier 2 | |
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| macOS | x64 | >= 13.5 | Tier 1 | For notes about compilation see [^4] |
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| macOS | arm64 | >= 13.5 | Tier 1 | |
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| SmartOS | x64 | >= 18 | Tier 2 | |
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| AIX | ppc64be >=power9 | >= 7.2 TL04 | Tier 2 | |
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| FreeBSD | x64 | >= 13.2 | Experimental | |
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| OpenHarmony | arm64 | >= 5.0 | Experimental | |
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<!--lint disable final-definition-->
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@@ -148,6 +148,13 @@ platforms. This is true regardless of entries in the table below.
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[^4]: Our macOS Binaries are compiled with 13.5 as a target. Xcode 16 is
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required to compile.
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[^7]: Native riscv64 builds need GCC >= 14 or Clang >= 19 because V8
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includes `<riscv_vector.h>` and uses `target("arch=+v")` in
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`deps/v8/src/base/cpu.cc`. GCC 13's `riscv_vector.h` errors out without
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`-march=rv64gcv` and doesn't support the `target` attribute at all.
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Cross-compilation from x64 is unaffected (the code is behind
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`V8_HOST_ARCH_RISCV64`).
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<!--lint enable final-definition-->
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### Supported toolchains

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