Arch Linux

brain0

Developer

From: Aachen - Germany

Registered: 2005-01-03

Posts: 1,382

Is testing gcc that broken? - custom glibc issues

Hi all,

I installed a custom glibc to get rid of linuxthreads stuff. I modified the testing glibc PKGBUILD (only removed linuxthreads stuff):

pkgname=glibc
pkgver=2.3.5
pkgrel=6
# glibc doesn't release very often, so we often use CVS snapshots to
# stay up-to-date with new features. Snapshots are available at
# ftp://sources.redhat.com/pub/glibc/snapshots/
_snap=20050504T1818
_hdrver=2.6.12.0
pkgdesc="GNU C Library with NPTL and linuxthreads"
url="http://www.gnu.org/software/libc"
depends=()
source=(ftp://ftp.archlinux.org/other/glibc/glibc-$_snap.tar.bz2 
  http://ep09.pld-linux.org/~mmazur/linux-libc-headers/linux-libc-headers-${_hdr
  glibc-2.3.4.patch nscd glibc-fedora.patch)
md5sums=('c1022359f010726f5a0689e9808b51ac' 'eae2f562afe224ad50f65a6acfb4252c'
         '43ff78a3d6e21bd374367b924b1335de' 'cb05c700433da449b137e277165fa585'
         '2249979e4a1e4cc1a09d0842a7f4676f')

build() {
  # Kernel Headers
  mkdir -p $startdir/pkg/usr/include
  cp -r linux-libc-headers-${_hdrver}/include/linux $startdir/pkg/usr/include/li
  cp -r linux-libc-headers-${_hdrver}/include/asm-i386 $startdir/pkg/usr/include
  find $startdir/pkg -type d -exec chmod 755 {} ;
  find $startdir/pkg -type f -exec chmod 644 {} ;
  echo "" > $startdir/pkg/usr/include/linux/config.h
  chown -R root.root $startdir/pkg/usr/include

  cd $startdir/src/glibc-$_snap
  patch -Np1 -i ../glibc-2.3.4.patch || return 1
  patch -Np1 -i ../glibc-fedora.patch || return 1

  mkdir ../glibc-build 
  cd ../glibc-build
  ../glibc-$_snap/configure --prefix=/usr 
    --enable-add-ons=nptl --without-cvs 
    --enable-kernel=2.6.0 
    --with-headers=$startdir/pkg/usr/include 
    --enable-bind-now --with-tls --with-__thread 
    --disable-profile
  make || return 1
  make install_root=$startdir/pkg install
  make install_root=$startdir/pkg localedata/install-locales  

  rm -rf $startdir/pkg/etc/ld.so.cache $startdir/pkg/etc/localtime
  install -D -m644 $startdir/src/glibc-$_snap/nscd/nscd.conf $startdir/pkg/etc/n
  install -D -m755 $startdir/src/nscd $startdir/pkg/etc/rc.d/nscd

  sed -i -e 's/^tserver-user/#tserver-user/' $startdir/pkg/etc/nscd.conf || re
}

My gcc version is gcc 4.0.1-2 from testing.

No look at this code snippet:

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

int main() {
  printf("%dn", getpid());
  
  return 0;
}

If I compile it without -static, it returns the pid. If I compile it with -static it returns 5 (which is not the right pid).

If I use arch glibc from testing, it works with and without -static

testing glibc says

Compiled by GNU CC version 4.0.1.
Compiled on a Linux 2.6.12 system on 2005-07-09.

my custom glibc (compiled with gcc 4.0.1-2) says

Compiled by GNU CC version 4.0.2 20050818 (prerelease).
Compiled on a Linux 2.6.12 system on 2005-09-02.

(I recompiled it today, but my first build was some weeks old but used the same compiler)

So can anyone tell me what exactly breaks the static binary? Is it the modified glibc PKGBUILD or the different compiler used for glibc compilation? If the latter is true, gcc 4.0.1-2 must be really broken.

Or can anyone tell me how this can happen and what the f*** is going on?