Gentoo Archives: gentoo-embedded

From: Corey <corey@×××××××××.net>
To: gentoo-embedded@l.g.o
Subject: Re: [gentoo-embedded] unable to chroot
Date: Sat, 18 Nov 2006 00:12:17
In Reply to: Re: [gentoo-embedded] unable to chroot by Mike Frysinger
On Friday 17 November 2006 15:15, Mike Frysinger wrote:
> On Friday 17 November 2006 16:35, Corey wrote: > > scanner gentoo # ./bin/bash --version > > GNU bash, version 3.1.17(1)-release (i686-pc-linux-gnu) > > Copyright (C) 2005 Free Software Foundation, Inc. > > scanner gentoo # chroot /mnt/gentoo/ /bin/bash > > chroot: cannot run command `/bin/bash': No such file or directory > > assuming / is glibc and /mnt/gentoo is uclibc, this looks like the bin/bash is > incorrectly linked against glibc >
I think that may be the problem. ( I'm completely new to this ).
> try running `readelf -d bin/bash` and make sure it is linked against uClibc > libs >
scanner gentoo # readelf -d bin/bash Dynamic section at offset 0xce014 contains 22 entries: Tag Type Name/Value 0x00000001 (NEEDED) Shared library: [] 0x00000001 (NEEDED) Shared library: [] 0x00000001 (NEEDED) Shared library: [] I was concerned about the way I was doing this the other night. I was successfully ( in appearance at least ) able to run a full stage4 crossdev on my local dev box: crossdev --t i686-pc-linux-uclibc . THis completed successfully, we're talking linux-headers, gcc, uclibc, etc. My '/etc/portage/catagories' has "cross-i686-pc-linux-uclibc". I was able to then install/(bootstrap) uclibc w/ gcc and linux-headers onto my '/mnt/gentoo' partition, basically like so: ROOT="/mnt/gentoo" CHOST="cross-i686-pc-linux-uclibc" emerge cross-i686-pc-linux-uclibc/linux-headers etc,etc. The suspicion that I was doing something wrong, however, didn't occur until I attempted to install some other necessary packages, such as bash: ROOT="/mnt/gentoo" CHOST="cross-i686-pc-linux-uclibc" emerge bash would cause: "checking build system type... Invalid configuration `cross-i686-pc-linux-uclibc': machine `cross-i686-pc' not recognized configure: error: /bin/sh ./support/config.sub cross-i686-pc-linux-uclibc failed" So, trying a few different (basically random) things, I gave up and compiled it without that CHOST env var - figuring that I would need to kind of recompile/'bootstrap' things once I chroot'd into the new sandbox. Here is ( what I believe to be ) a relevant portion of the bash config.log: configure:2310: $? = 0 configure:2312: i686-pc-linux-uclibc-gcc -v </dev/null >&5 Using built-in specs. Target: i686-pc-linux-uclibc Configured with: /var/tmp/portage/gcc-4.1.1-r2/work/gcc-4.1.1/configure --prefix=/usr --bindir=/usr/i686-pc-linux-gnu/i686-pc-linux-uclibc/gcc-bin/4.1.1 --includedir=/usr/lib/gcc/i686-pc-linux-uclibc/4.1.1/include --datadir=/usr/share/gcc-data/i686-pc-linux-uclibc/4.1.1 --mandir=/usr/share/gcc-data/i686-pc-linux-uclibc/4.1.1/man --infodir=/usr/share/gcc-data/i686-pc-linux-uclibc/4.1.1/info --with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-uclibc/4.1.1/include/g++-v4 --host=i686-pc-linux-gnu --target=i686-pc-linux-uclibc --build=i686-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --disable-multilib --disable-libmudflap --disable-libssp --disable-libgcj --enable-objc-gc --enable-languages=c,c++,objc,obj-c++ --with-sysroot=/usr/i686-pc-linux-uclibc --disable-__cxa_atexit --enable-target-optspace --enable-clocale=uclibc Thread model: posix gcc version 4.1.1 (Gentoo 4.1.1-r2) configure:2315: $? = 0 configure:2317: i686-pc-linux-uclibc-gcc -V </dev/null >&5 i686-pc-linux-uclibc-gcc: '-V' option must have argument configure:2320: $? = 1 configure:2346: checking for C compiler default output configure:2349: i686-pc-linux-uclibc-gcc -O3 -march=i686 -pipe -fomit-frame-pointer -funroll-loops conftest.c >&5 configure:2352: $? = 0 configure:2385: result: a.out configure:2390: checking whether the C compiler works configure:2396: ./a.out ./configure: line 2397: ./a.out: No such file or directory configure:2399: $? = 127 configure:2407: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. -- gentoo-embedded@g.o mailing list