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authorpunk <punk@libernaut>2021-04-21 15:26:19 +0100
committerpunk <punk@libernaut>2021-04-21 15:26:19 +0100
commiteac48b5a8d709135a95abcc2243b369095f074f4 (patch)
treea2e34d995cef5ac8068ec7047e93b1125c80d175 /linux/ports.html
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parent452477a2635d85ecf772a5242ce97d9479503bb3 (diff)
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+<!DOCTYPE html>
+<html dir="ltr" lang="en">
+    <head>
+        <meta charset='utf-8'>
+        <title>1.4. Ports</title>
+    </head>
+    <body>
+
+        <a href="index.html">GNU/Linux Index</a>
+
+        <h1>1.4. Ports</h1>
+
+        <p>This instructions are done
+        <a href="configure.html#chroot">inside chroot</a>.</p>
+
+        <h2 id="filesystem">1.4.1. Ports Layout</h2>
+
+	<p>Make sure follow directories exist;</p>
+
+	<pre>
+	#  mkdir /usr/ports
+	#  mkdir -p /usr/ports/{distfiles,packages,work,pkgbuild}
+	</pre>
+
+        <h2 id="fakeroot">1.4.2. Build as user</h2>
+
+        <p>For more information read
+	<a href="https://crux.nu/Wiki/FakerootPorts">Fakeroot Ports</a>.
+	Add a user that will be used by ports tools, this example pkgmk;</p>
+
+        <pre>
+        # useradd -r -U -d /usr/ports -s /bin/false pkgmk
+        </pre>
+
+        <p>You can add your self to group pkgmk. Check if members of this
+        group are under <a href="linux.html#sysctl">tpe</a> protection.</p>
+
+        <pre>
+        # usermod -a -G pkgmk username
+        </pre>
+
+        <pre>
+	#  chown pkgmk /usr/ports/{distfiles,packages,work,pkgbuild}
+	#  chown pkgmk:pkgmk /usr/ports/pkgbuild
+	#  chmod g+w /usr/ports/pkgbuild
+        </pre>
+
+        <p>Configure to
+        <a href="https://crux.nu/Wiki/HowToSpeedUpBuildingPackages#ram">compile in ram</a>
+        average of 3GB is recommended for core while firefox need at least 30G.
+	Discover id of pkgmk user;</p>
+
+        <pre>
+        # id pkgmk
+        uid=102(pkgmk) gid=102(pkgmk) groups=102(pkgmk)
+        </pre>
+
+        <p>Edit fstab, change uid to id of pkgmk, this example 102;</p>
+
+        <pre>
+        pkgmk /usr/ports/work tmpfs size=30G,uid=102,defaults,mode=0750 0 0
+        </pre>
+
+        <h2 id="pkgmk">1.4.3. Configure pkgmk</h2>
+
+        <p>Read <a href="https://crux.nu/Handbook3-3#ntoc22">4.5. Adjust/Configure the Package Build Process</a>
+        to take advantage of your specific hardware. Packages build with
+        native flag will not run on different hardware. This is the best choice
+        if you want gcc to find the best settings based on your hardware.</p>
+
+        <p>Edit /etc/pkgmk.conf, remove pipe from compiler flags and let the system
+        get from nproc how many cpu's it can use for compiling;</p>
+
+        <pre>
+        #
+        # /etc/pkgmk.conf: pkgmk(8) configuration
+        #
+
+        export CFLAGS="-O2 -march=x86-64"
+        export CXXFLAGS="${CFLAGS}"
+
+        export JOBS=$(nproc)
+        export MAKEFLAGS="-j $JOBS"
+
+        case ${PKGMK_ARCH} in
+                "64"|"")
+                        ;;
+                "32")
+                        export CFLAGS="${CFLAGS} -m32"
+                        export CXXFLAGS="${CXXFLAGS} -m32"
+                        export LDFLAGS="${LDFLAGS} -m32"
+                        export PKG_CONFIG_LIBDIR="/usr/lib32/pkgconfig"
+                        ;;
+                *)
+                        echo "Unknown architecture selected! Exiting."
+                        exit 1
+                        ;;
+        esac
+
+        PKGMK_SOURCE_MIRRORS=(https://tribu.semdestino.org/mirror-3.4/distfiles/)
+        # PKGMK_SOURCE_DIR="$PWD"
+        PKGMK_SOURCE_DIR="/usr/ports/distfiles"
+        # PKGMK_PACKAGE_DIR="$PWD"
+        PKGMK_PACKAGE_DIR="/usr/ports/packages"
+        # PKGMK_WORK_DIR="$PWD/work"
+        PKGMK_WORK_DIR="/usr/ports/work/${name}"
+        # PKGMK_DOWNLOAD="no"
+        # PKGMK_IGNORE_SIGNATURE="no"
+        # PKGMK_IGNORE_MD5SUM="no"
+        # PKGMK_IGNORE_FOOTPRINT="no"
+        # PKGMK_IGNORE_NEW="no"
+        # PKGMK_NO_STRIP="no"
+        # PKGMK_DOWNLOAD_PROG="wget"
+        # PKGMK_WGET_OPTS=""
+        # PKGMK_CURL_OPTS=""
+        # PKGMK_COMPRESSION_MODE="gz"
+
+        # End of file
+        </pre>
+
+        <p>If you want native build change the above example to;</p>
+
+        <pre>
+        export CFLAGS="-O2 -march=native -mtune=native"
+        </pre>
+
+        <p>Check <a href="toolchain.html">toolchain</a> for more options on how packages
+        are build.</p>
+
+        <h2 id="prtget">1.4.4. Configure prt-get</h2>
+
+        <p>Edit /etc/prt-get.conf;</p>
+
+        <pre>
+        ###
+        ### prt-get conf
+        ###
+
+        # note: the order matters: the package found first is used
+        prtdir /usr/ports/core
+        prtdir /usr/ports/opt
+        prtdir /usr/ports/xorg
+
+        # the following line enables the multilib compat-32 collection
+        #prtdir /usr/ports/compat-32
+
+        # the following line enables the user maintained contrib collection
+        prtdir /usr/ports/contrib
+        prtdir /usr/ports/ports
+        prtdir /usr/ports/mate
+        prtdir /usr/ports/kde5
+
+        ### use mypackage form local directory
+        # prtdir /home/packages/build:mypackage
+
+        ### log options:
+        writelog enabled         # (enabled|disabled)
+        logmode  overwrite       # (append|overwrite)
+        rmlog_on_success yes     # (no|yes)
+        logfile  /usr/ports/pkgbuild/%n.log
+                                   # path, %p=path to port dir, %n=port name
+                                   #       %v=version, %r=release
+
+        ### use alternate cache file (default: /var/lib/pkg/prt-get.cache
+        # cachefile /mnt/nfs/cache
+
+        ### print README information:
+        readme verbose           # (verbose|compact|disabled)
+
+        ### prefer higher versions in sysup / diff
+        preferhigher yes      # (yes|no)
+
+        ### use regexp search
+        # useregex no        # (yes|no)
+
+        ### run pre- and post-installs scripts; yes is equivalent to the
+        ### --install-scripts option
+        runscripts yes            # (no|yes)
+
+        ### expert section ###
+
+        ### alternative commands
+        makecommand      sudo -H -u pkgmk fakeroot pkgmk
+        addcommand       sudo pkgadd
+        removecommand    sudo pkgrm
+        runscriptcommand sudo sh
+        </pre>
+
+        <h2 id="distcc">1.4.5. Ccache and distcc</h2>
+
+        <p>Ccache avoids same code to be compiled by saving
+        the output from compilers and identifying same
+        input by using hashes and distcc distributes
+        compiling process across machines.</p>
+
+        <p>Don't set native or generic on /etc/pkgmk.conf.</p>
+        <pre>
+        $ prt-get depinst ccache distcc
+        </pre>
+
+        <p>Configure pkgmk and define number of cores available,
+        in this example get dynamically Edit 
+        <a href="conf/pkgmk.conf">/etc/pkgmk.conf</a> and
+        set ccaching directory and instructs to use distcc
+        backend;</p>
+
+        <pre>
+        # ccache settings
+        export PATH="/usr/lib/ccache/:$PATH"
+        export CCACHE_DIR="/usr/ports/ccache"
+        export CCACHE_PREFIX="distcc"
+        export CCACHE_COMPILERCHECK="%compiler% -dumpversion; crux"
+        </pre>
+
+        <p>Set distcc hosts and respective number of
+        cpu cores to send work, hosts names, exp; "worker" must
+        be configured on /etc/hosts.</p>
+
+        <pre>
+        ### compile using distcc without ccache
+        ##export PATH="/usr/lib/distcc/:$PATH"
+        ##export DISTCC_HOSTS="localhost/4,lzo,cpp xborg/4,lzo,cpp"
+        ##export PUMP_BUILD=yes
+
+        # distcc settings
+        export JOBS=$(/usr/bin/distcc -j 2> /dev/null)
+        export DISTCC_DIR="/usr/ports/distcc"
+        export MAKEFLAGS="-j ${JOBS}"
+        export SCONSFLAGS="$MAKEFLAGS"
+
+        # local compile only
+        #export JOBS=$(nproc)
+        #export MAKEFLAGS="-j $JOBS"
+        </pre>
+
+        <p>Configure distcc daemon, edit
+        /etc/rc.d/distccd;</p>
+
+        <pre>
+        #!/usr/bin/env bash
+        #
+        # /etc/rc.d/distccd: start/stop distcc daemon
+        #
+
+        . /etc/distcc.conf
+        if [ -z "$DISTCC_ALLOW" ]; then
+        </pre>
+
+        <p>Create /etc/distcc.conf;</p>
+
+        <pre>
+        DISTCC_ALLOW="10.0.0.0/8"
+        DISTCC_USER="pkgmk"
+        DISTCC_LOG_LEVEL="info"
+        </pre>
+
+        <a href="index.html">GNU/Linux Index</a>
+        <p>
+        This is part of the LeetIO System Documentation.
+        Copyright (C) 2021
+        LeetIO Team.
+        See the file <a href="../fdl-1.3-standalone.html">Gnu Free Documentation License</a>
+        for copying conditions.</p>
+    </body>
+</html>

 

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