[Clfs-support] CLFS for ARM/OpenRD/Plugcomputer

[Lance Jump]

I am trying to build a CLFS system for a Marvell/ARM system and have made
several attempts over the past weeks with no success. I tried
CLFS-arm-embedded and failed, then tried to modify CLFS-powerPC and failed
and now I am trying CLFS-arm-sysroot with no success.

Before I describe the latest problem, let me first ask if I am following the
best route. I am following:
Cross-Compiled Linux From Scratch - Sysroot - Version SVN-0.0.1-20090726-ARMIs
there something else I should be using? If so, I'll start from there and get
back when/if I have a problem.

The specific problem I am having with the above is building gcc final
(5.12). It fails as follows:
..............
checking for arm-unknown-linux-gnu-strip...
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/bin/strip
checking for arm-unknown-linux-gnu-gcc...
/mnt/clfs/work/gcc-build/./gcc/xgcc -B/mnt/clfs/work/gcc-build/./gcc/
-B/mnt/clfs/cross-tools/arm-unknown-linux-gnu/bin/
-B/mnt/clfs/cross-tools/arm-unknown-linux-gnu/lib/ -isystem
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/include -isystem
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/sys-include
checking for C compiler default output file name... configure: error: in
`/mnt/clfs/work/gcc-build/arm-unknown-linux-gnu/libgomp':
configure: error: C compiler cannot create executables
See `config.log' for more details.
make[1]: *** [configure-target-libgomp] Error 1
make[1]: Leaving directory `/mnt/clfs/work/gcc-build'
make: *** [all] Error 2
...............

Looking at config.log from libgomp I find:

...............
configure:2543: /mnt/clfs/work/gcc-build/./gcc/xgcc
-B/mnt/clfs/work/gcc-build/./gcc/
-B/mnt/clfs/cross-tools/arm-unknown-linux-gnu/bin/
-B/mnt/clfs/cross-tools/arm-unknown-linux-gnu/lib/ -isystem
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/include -isystem
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/sys-include -V </dev/null >&5
xgcc: '-V' must come at the start of the command line
configure:2546: $? = 1
configure:2569: checking for C compiler default output file name
configure:2572: /mnt/clfs/work/gcc-build/./gcc/xgcc
-B/mnt/clfs/work/gcc-build/./gcc/
-B/mnt/clfs/cross-tools/arm-unknown-linux-gnu/bin/
-B/mnt/clfs/cross-tools/arm-unknown-linux-gnu/lib/ -isystem
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/include -isystem
/mnt/clfs/cross-tools/arm-unknown-linux-gnu/sys-include -g -O2
conftest.c  >&5
/mnt/clfs/work/gcc-build/./gcc/cc1: error while loading shared libraries:
/mnt/clfs/work/gcc-build/./gcc/libgcc_s.so.1: ELF file OS ABI invalid
configure:2575: $? = 1
configure: failed program was:
| /* confdefs.h.  */
......................

This is exactly the same symptom posted in at least two other threads, but I
can't find a solution. One looked like it had a solution by giving this
link:

http://archives.free.net.ph/message/20091005.172315.9c92afe5.ca.html

but that server appears to be down.

I am not a complete Linux noob (although I am new to CLFS) having
successfully built an LFS system for an embedded x86 about a year ago.
Still I am no expert on the tool building process.

Any help/advice will be appreciated.
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