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From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Thu 07 Apr 2005 - 05:11:36 BST

... is not working on at least two platforms:

  x86_64 (aka amd64)

  tried several dietlibc versions
        - dietlibc-0.27-4.src.rpm
        - self compiled 0.28 release
        - cvs release 31.Mar.2005
        - debian 0.28 version

  all on Fedora Core release 3 (Heidelberg)

  (tools work fine with glibc, except for the known issues)

  with glibc, every v* command which executes something
  fails with execv*: permission denied

  even disabling noexec (noexec=off) did not improve the
  situation ... the following dietlibc test program works fine:

        #include <stdio.h>
        #include <stdlib.h>
        #include <unistd.h>

        int main(int argc, char *argv[])
                int ret;

                ret = execvp("echo", argv);
                /* not supposed to get here */

                if (ret)

  ppc (7450)

  after adding a bunch of patches to dietlibc, the
  dietlibc itself compiles (0.28++) and can be installed

  ./configure complains ...
        configure: WARNING: ext2fs/ext2_fs.h: present but cannot be compiled
        configure: WARNING: ext2fs/ext2_fs.h: check for missing prerequisite headers?
        configure: WARNING: ext2fs/ext2_fs.h: see the Autoconf documentation
        configure: WARNING: ext2fs/ext2_fs.h: section "Present But Cannot Be Compiled"
        configure: WARNING: ext2fs/ext2_fs.h: proceeding with the preprocessor's result
        configure: WARNING: ext2fs/ext2_fs.h: in the future, the compiler will take precedence
        configure: WARNING: ## ------------------------------------------------------ ##
        configure: WARNING: ## Report this to enrico.scholz_at_informatik.tu-chemnitz.de ##
        configure: WARNING: ## ------------------------------------------------------ ##

  although the following is installed:

  - libext2fs2-1.35-1mdk
  - libext2fs2-devel-1.35-1mdk

  and finally the compile fails with:

        if diet ppc-mandrake-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I. -I. -I ./lib -I ./ensc_wrappers -D_GNU_SOURCE -D_REENTRANT -DNDEBUG -O2 -fsigned-char -frename-registers -mcpu=750 -mtune=7450 -pipe -std=c99 -Wall -pedantic -W -MT src/vshelper-sync.o -MD -MP -MF "$depbase.Tpo" -c -o src/vshelper-sync.o src/vshelper-sync.c; \
        then mv -f "$depbase.Tpo" "$depbase.Po"; else rm -f "$depbase.Tpo"; exit 1; fi
        src/vshelper-sync.c:89:4: #error vshelper relies on the Linux select() behavior (timeout holds remaining time)

  this is on Mandrake 9.1 (Bamboo) for ppc

  but it fails with the very same issue on Yellow Dog Linux
  (and probably Mandrake 10.1, but not tested)

please investigate!


PS: please let us know when you will find some time to look into it ...

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