[solved] Editing makepkg.conf (x86_64)

Hello everyone,
I just set up my first Arch 64bit-system, so I want get to know its abilities and advantages a bit better for my everyday work.
Before installing any more stuff, I'm actually editing makepkg.conf, because I'd like to have the CPU usage optimzed, though I don't expect any significant performance boost -- I just want to learn about it and then use it. So far I read the specific Wikis Arch, Gentoo, and of course the Arch64 FAQ. -- However, tuning this file would only affect compiling PKGBUILDs from the AUR, or from other sources, because I'll mostly use the precompiled packages as they are, I suppose.
The CPU is a Xeon Kentsfield, looking like an early "quad-core, appearing as a single core" to me:
Wikipedia wrote:Intel released relabeled versions of its quad-core (2x2) Core 2 Quad processor as the Xeon 3200-series (,,,), these models only support single-CPU operation ...
Four processors are found anyway:
# cat /proc/cpuinfo
processor : 0
model name : Intel(R) Xeon(R) CPU X3210 @ 2.13GHz
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
processor : 1
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
processor : 2
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
processor : 3
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
So I wonder: how would this quad-or-no-quad appear or have to be adressed in a (desktop) system monitor -- as 1, 4 or even 2 (as it also a "2x2") CPUs?
The related section of my makepkg.conf actually reads:
CARCH="x86_64"
CHOST="x86_64-unknown-linux-gnu"
CFLAGS="-march=native -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2"
CXXFLAGS="${CFLAGS}"
#MAKEFLAGS="-j2"
Well, I admit that I'm not sure that I got everything in details. But I guess with this I'd be able to use any PKBGUILD in the AUR (or provide my own that others could use without risk), right?
Last, what about the MAKEFLAGS? The wiki says,
Typically -j2, plus 1 for each additional core/processor is an adequate choice.
If the Xeon is a "real" quad-core (see above), it should rather be
MAKEFLAGS="-j5"
as in this case there are three additional cores, right?
Last edited by cameo (2012-08-19 23:56:24)

I see.
Alternatively, for i686 compiling on this very machine I probably must get to grips with this stuff (if I'm not mixing something up); well, that's a future plan.
Thanks very much anyway.
Hm, regarding that system monitoring matter, I've just a feeling, different programs could just use different hooks for showing the processor loads. I mean if that Xeon is physically a quad, but "acting" like a single, some could maybe show just 1 CPU, and others 4. -- Since my topic here is mainly about editing makepkg.conf, I'd better discuss this in detail in another thread later, if necessary. (But of course, if somebody has got some information about this, please let me know.)
Seems to me, there's nothing more for me to question here then, so I'll mark this as solved.

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    #-- zipman: Compress manual (man and info) pages in MAN_DIRS with gzip
    #-- purge: Remove files specified by PURGE_TARGETS
    #-- upx: Compress binary executable files using UPX
    #-- debug: Add debugging flags as specified in DEBUG_* variables
    OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !upx !debug)
    #-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512
    INTEGRITY_CHECK=(md5)
    #-- Options to be used when stripping binaries. See `man strip' for details.
    STRIP_BINARIES="--strip-all"
    #-- Options to be used when stripping shared libraries. See `man strip' for details.
    STRIP_SHARED="--strip-unneeded"
    #-- Options to be used when stripping static libraries. See `man strip' for details.
    STRIP_STATIC="--strip-debug"
    #-- Manual (man and info) directories to compress (if zipman is specified)
    MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
    #-- Doc directories to remove (if !docs is specified)
    DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
    #-- Files to be removed from all packages (if purge is specified)
    PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
    # PACKAGE OUTPUT
    # Default: put built package and cached source in build directory
    #-- Destination: specify a fixed directory where all packages will be placed
    #PKGDEST=/home/packages
    #-- Source cache: specify a fixed directory where source files will be cached
    #SRCDEST=/home/sources
    #-- Source packages: specify a fixed directory where all src packages will be placed
    #SRCPKGDEST=/home/srcpackages
    #-- Log files: specify a fixed directory where all log files will be placed
    #LOGDEST=/home/makepkglogs
    #-- Packager: name/email of the person or organization building packages
    #PACKAGER="John Doe <[email protected]>"
    #-- Specify a key to use for package signing
    #GPGKEY=""
    # COMPRESSION DEFAULTS
    COMPRESSGZ=(gzip -c -f -n)
    COMPRESSBZ2=(bzip2 -c -f)
    COMPRESSXZ=(xz -c -z -)
    COMPRESSLRZ=(lrzip -q)
    COMPRESSLZO=(lzop -q)
    COMPRESSZ=(compress -c -f)
    # EXTENSION DEFAULTS
    # WARNING: Do NOT modify these variables unless you know what you are
    # doing.
    PKGEXT='.pkg.tar.xz'
    SRCEXT='.src.tar.gz'
    # vim: set ft=sh ts=2 sw=2 et:
    And, last, here is the output from line 89:
    #-- Options to be used when stripping binaries. See `man strip' for details.
    So, the problem is that "for" in line 89 is being treated like a command.  Which is very strange.  Also, I already have fakeroot set up in makepkg.conf.  And, last, I also have the architecture specified in the PKGBUILD.  So, I'm a bit at a loss here.  I would really appreciate any help.

  • Enabling -fstack-protector-strong in makepkg.conf?

    A little more than a year ago Google submitted a patch which added a -fstack-protector-strong option which was intended to strike a balance between -fstack-protector (used in Arch) and -fstack-protector-all which was considered too computationally expensive for google's chromiumos.  All of these options introduce measures to protect compiled programs against stack overflow attacks to varying degrees of security and performance.
    This google doc sums up what the new flag introduces: https://docs.google.com/document/d/1xXB … t?hl=en_US
    My recently installed default /etc/makepkg.conf shows -fstack-protector (not -strong) in CFLAGS.  Is there a specific reason that it has not yet been implemented in Arch, or has it simply just "not happened" yet? 
    Fedora 20 is now using -fstack-protector-strong.  After some searching I couldn't find anything here or on the arch bugtracker which discusses the new option.  I should add that I am by no means well-versed in security and this is something I would like to know more about.
    Last edited by oboenerd (2013-12-08 03:13:19)

    This is something that should be brought up in the bug tracker I think.  Though, interestingly this is not documented in the gcc man page nor the gcc info page.
    Edit: I didn't follow your links, but I do remember reading about this.  It would seem that this functionality has not been merged, as trying to use -fstack-protector-strong fails with:
    gcc: error: unrecognized command line option '-fstack-protector-strong'
    Last edited by WonderWoofy (2013-12-08 03:54:56)

  • BUILDENV in new makepkg.conf is lowercase!

    I just discovered after upgrading to the new pacman that in the new makepkg.conf, BUILDENV=(foo) is actually buildenv=(foo).
    I kept getting these warnings about having fakeroot in the BUILDENV list. After being really confused I realized why it wasn't working, I vimdiffed my old one to see what the problem was.
    Just a heads up for anyone else that has this problem.

    I don't know why your BUILDENV was lowercase, but I doubt it was via pacman.. I don't see that typo in any of the revisions, nor in the pacnew files on my 2 Arch systems.
    i686 makepkg.conf revs
    x86_64 makepkg.conf revs

  • I'm missing makepkg.conf

    Well, I accidentally deleted /etc/makepkg.conf, and I don't find a sample anywhere. How do I generate a new one?

    You can also grab https://projects.archlinux.org/svntogit … ges/pacman but I think you have to edit
    CARCH="@CARCH@"
    CHOST="@CHOST@"
    etc. to e.g.
    CARCH="i686"
    CHOST="i686-pc-linux-gnu"
    by hand.

  • NEEDED? makepkg.conf.pacnew and/or yaourt-git: WARNING: Unable to copy

    Hi....
    ISSUE:  when I try to install CERTAIN things via yaourt on my up to date system.
    At the end of the yaourt process I will sometimes get  the:
    ==> WARNING: Unable to copy WHATEVER PACKAGE to /tmp/ directory
    I'm pretty sure I deleted  makepkg.conf.pacnew.
    I am certain to have gone through the big 3.2 pacman upgrade a while back.
    I assumed the pacnew was a pacsave ...I guess.... can't assume of course.
    The only post I could find was this one...
    http://bbs.archlinux.org/viewtopic.php?id=53040
    As I very likely threw out the    makepkg.conf.pacnew
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    OTHER FIX/ISSUE I READ ABOUT:
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    I'm not at all sure if I need yaourt-git and the doing of the recommended MERGE with the   makepkg.conf.pacnew and the old one.
    After this gets resolved I will hopefully add t omy knowledge of AUR usage... and add the other install techniques!!  great!
    thanks!!!!!!!!
    Last edited by yvonney (2009-01-24 08:50:36)

    anonymous_user wrote:Pacman is 4.1 is not released yet. The wiki is just telling you about the new feature in the next pacman.
    I see, but I do not understand why I already encounter PKGBUILDs written with the aforementioned "style".
    For instance, giving a look to pacman-git, I find:
    source=(git://projects.archlinux.org/pacman.git)
    sha1sums=('SKIP')
    pkgver() {
    cd pacman
    git describe | sed 's/^v//;s/-/./g'
    build() {
    cd "pacman"
    ./autogen.sh
    ./configure \
    --prefix=/usr \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --enable-doc \
    --enable-git-version \
    --enable-debug \
    --with-scriptlet-shell=/usr/bin/bash \
    --with-ldconfig=/usr/bin/ldconfig
    make
    make -C contrib
    As I said, my makepkg cannot handle that source and there is not an official way to fix it, apparently.

  • Makepkg.conf the same as make.conf

    Simple question really, is makepkg the same as make? If I add in CFLAGS will they be used when compiling packages from source or does makepkg just work when using makepkg.

    makepkg is for compiling from source but the settings from makepkg.conf won't be used if you run
    ./configure && make && make install
    by hand (and it doesn't create an Arch package), they are used when you run 'makepkg'.
    'less /usr/bin/makepkg' will show you what 'makepkg' is.
    From the wiki: https://wiki.archlinux.org/index.php/Makepkg
    makepkg is a script that automates the building of packages; it can download and validate source files, check dependencies, configure build-time settings, compile the sources, install into a temporary root, make customizations, generate meta-info, and package everything together.
    Last edited by karol (2011-07-04 20:21:27)

  • Makepkg.conf and active ftp

    I'm trying to build some arch-packages but having problems with makepkg while downloading the tarballs. I think it has something to do with the use of active ftp, but passive doesn't work in the network I use.
    My makepkg.conf:
    DLAGENTS=('ftp::/usr/bin/wget -c --no-passive-ftp -t 3 --waitretry=3 -O %o %u'
    'http::/usr/bin/wget -c -t 3 --waitretry=3 -O %o %u'
    'https::/usr/bin/wget -c -t 3 --waitretry=3 --no-check-certificate -O %o %u'
    'rsync::/usr/bin/rsync -z %u %o'
    'scp::/usr/bin/scp -C %u %o')
    CARCH="i686"
    CHOST="i686-pc-linux-gnu"
    CFLAGS="-march=i686 -mtune=generic -O2 -pipe"
    CXXFLAGS="-march=i686 -mtune=generic -O2 -pipe"
    BUILDENV=(fakeroot !distcc color !ccache !xdelta)
    OPTIONS=(strip docs libtool emptydirs zipman)
    INTEGRITY_CHECK=(md5)
    DOC_DIRS=(usr/{,share/}{info,doc,gtk-doc} opt/*/{info,doc,gtk-doc})
    STRIP_DIRS=(bin lib sbin usr/{bin,lib,sbin,local/{bin,lib,sbin}} opt/*/{bin,lib,sbin})
    BUILDSCRIPT='PKGBUILD'
    PKGEXT='.pkg.tar.gz'
    SRCEXT='.src.tar.gz'
    DB_COMPRESSION='gz'
    DB_CHECKSUMS=(md5)
    with makepkg I get the following output:
    --2008-10-07 23:05:26-- ftp://...
      (try: 3) => 'package'
    Connecting to ftp.... connected.
    Logging in as anonymous ... Logged in!
    ==> SYST ... done.    ==> PWD ... done.
    ==> TYPE I ... done.   ==> CWD /packagedir ... done.
    ==> SIZE package ... size
    ==> PORT ... done.    ==> RETR package ...
    Error in server response, closing control connection.
    can someone help me?

    It's the only one package. And it fails to build every time on different files with the same error. And if I just enter ./src/arora-build and run qmake && make it does compile ok.
    The error example:
    .obj/moc_settings.o: file not recognized: File truncated                                         
    collect2: ld returned 1 exit status
    P.S. PKGBUILD is community/arora-git
    Last edited by vit (2009-05-06 18:02:36)

  • Makepkg.conf: Stripping /usr/local Docs Out Of Builds?

    Trying to strip out '/usr/local/gtk-doc/html' out of builds without resorting to 'without-html-dir'. Tried the following individually within makepkg.conf with no effect:
    OPTIONS=(!docs)
    DOC_DIRS=({usr{,/local}{,/share},opt/*}/{doc,gtk-doc}
    DOC_DIRS=({usr{,/local}{,/share},opt/*}/{doc,gtk-doc{,/html}}
    DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
    DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc{,/html}} opt/*/{doc,gtk-doc{,/html}})
    All fo the above appear to echo properly. No options=() within any PKGBUILD files I am testing. How to strip '/usr/local/gtk-doc/html'  out of builds using makepkg.conf (would rather not add an 'rm' statement to each and every PKGBUILD)?
    Last edited by adamlau (2009-03-29 21:43:48)

    Correct. This is my /etc/makepkg-git.conf (makepkg.conf backed up and removed from /etc):
    DLAGENTS=('ftp::/usr/bin/wget -c --passive-ftp -t 3 --waitretry=3 -O %o %u'
    'http::/usr/bin/wget -c -t 3 --waitretry=3 -O %o %u'
    'https::/usr/bin/wget -c -t 3 --waitretry=3 --no-check-certificate -O %o %u'
    'rsync::/usr/bin/rsync -z %u %o'
    'scp::/usr/bin/scp -C %u %o')
    CARCH="i686"
    CHOST="i686-pc-linux-gnu"
    CFLAGS="-march=native -O2 -pipe -fomit-frame-pointer"
    CXXFLAGS="-march=native -O2 -pipe -fomit-frame-pointer"
    LDFLAGS="-Wl,-O1,--as-needed,--hash-style=gnu"
    #MAKEFLAGS="-j2"
    BUILDENV=(fakeroot !distcc color !ccache !xdelta)
    OPTIONS=(strip !docs !libtool !emptydirs zipman purge)
    INTEGRITY_CHECK=(md5)
    MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
    DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
    STRIP_DIRS=(bin lib sbin usr/{bin,lib,sbin,local/{bin,lib,sbin}} opt/*/{bin,lib,sbin})
    PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
    PKGEXT='.pkg.tar.gz'
    SRCEXT='.src.tar.gz'

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