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82 lines
2.9 KiB
82 lines
2.9 KiB
2 months ago
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From 983e9226fb02a91692c2c55a19b5cd06d8ddd005 Mon Sep 17 00:00:00 2001
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From: Anna Sztukowska <anna.sztukowska@intel.com>
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Date: Tue, 6 Aug 2024 10:44:01 +0200
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Subject: [PATCH 173/201] mdadm: Add compilation process to README.md
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Add compilation process and dependencies to README.md.
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Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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---
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README.md | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 55 insertions(+)
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diff --git a/README.md b/README.md
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index 486c8929..870ecb7e 100644
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--- a/README.md
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+++ b/README.md
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@@ -87,6 +87,61 @@ If there are differences between github and kernel.org, please contact kernel.or
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We do not support kernel versions below **v3.10**. Please be aware that maintainers may remove
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workarounds and fixes for legacy issues.
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+# Dependencies
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+
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+The following packages are required for compilation:
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+
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+| RHEL | SLES | Debian/Ubuntu |
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+| :---: | :---: | :---: |
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+| `pkgconf` | `pkg-config` | `pkg-config` |
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+| `gcc` | `gcc` | `gcc` |
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+| `make` | `make` | `make` |
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+| `libudev-devel` | `libudev-devel` | `libudev-dev` |
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+
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+# Compiling mdadm
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+
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+Run `make` command to compile mdadm.
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+
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+Specifying more jobs e.g. `make -j4` can decrease compilation time significantly.
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+
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+Various values can be specified for the `CXFLAGS` variable to customize the build process:
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+- Run `make CXFLAGS=-ggdb` to include gdb debugging information.
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+- Run `make CXFLAGS=-DDEBUG` to enable additional debug information through dprintf statements
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+and call traces.
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+- Run `make CXFLAGS=-DNO_LIBUDEV` to compile without `libudev`.
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+
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+To build with more than one option specified in `CXFLAGS`, separate each option with a space, e.g.
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+`make CXFLAGS="-ggdb -DDEBUG"`.
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+
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+Additionally, the `EXTRAVERSION` variable can be set to build with user-friendly version label,
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+useful when customizing mdadm builds or labeling some instance in between major releases,
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+e.g. `make EXTRAVERSION="custom-label"`.
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+
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+# Installing mdadm
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+
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+Before installing mdadm, it is advised to uninstall vendor-provided packages (mdadm.deb, mdadm.rpm
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+etc.) in order to avoid configuration issues.
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+
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+Run `make install` command to install mdadm. This command invokes the following targets:
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+- `install-bin`
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+- `install-man`
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+- `install-udev`
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+
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+After installing mdadm, consider rebuilding initramfs to ensure the changes take effect.
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+
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+List of installation targets:
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+- Run `make install-bin` to install the mdadm and mdmon binary files.
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+- Run `make install-systemd` to install the systemd services.
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+- Run `make install-udev` to install the udev rules.
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+- Run `make install-man` to install the manual pages (`mdadm.8`, `md.4`, `mdadm.conf.5`,
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+`mdmon.8`).
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+
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+The following targets are deprecated and should not be used:
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+- `install-static`
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+- `install-tcc`
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+- `install-uclibc`
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+- `install-klibc`
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+
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# License
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It is released under the terms of the **GNU General Public License version 2** as published
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--
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2.41.0
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