crosstool-ng: cross compiler for -mach=arm4vt (Cirrus Logic EP93xx target)

["H Hartley Sweeten" <hartleys at visionengravers dot com>]

Hello all,

I have been trying to get CodeSourcery's arm-none-linux-gnueabi (Sourcery
G++ Lite 2009q1-203) 4.3.3 toolchain to work with Buildroot and an EP93xx
based target.  Unfortunately Buildroot is not setup to handle the multilib
feature of that toolchain (default libraries are for ARMv5T).  I have
tried a number of ways in Buildroot to get that that toolchain to work but
my resulting filesystem always dies due to an unrecognized instruction.

Today I downloaded crosstool-ng to try and build a sysroot toolchain
specifically for the armv4t.  I think I have everything setup correctly
but the build always dies at:

bigguiness@etch:~/toolchain$ ct-ng build
[INFO ]  Performing some trivial sanity checks
[INFO ]  Build started 20090908.131159
[INFO ]  Building environment variables
[WARN ]  You did not specify the build system. That's OK, I can guess...
[INFO ]  =================================================================
[INFO ]  Retrieving needed toolchain components' tarballs
[ERROR]    Build failed in step 'Retrieving needed toolchain components' tarballs'
[ERROR]    Error happened in '/home/bigguiness/lib/ct-ng-hg_default@1523_6c2a6c04187e/scripts/functions' in function 'CT_DoExecLog' (line unknown, sorry)
[ERROR]          called from '/home/bigguiness/lib/ct-ng-hg_default@1523_6c2a6c04187e/scripts/functions' at line # 502 in function 'CT_GetCVS'
[ERROR]          called from '/home/bigguiness/lib/ct-ng-hg_default@1523_6c2a6c04187e/scripts/build/libc/glibc.sh' at line # 44 in function 'do_libc_get'
[ERROR]          called from '/home/bigguiness/lib/ct-ng-hg_default@1523_6c2a6c04187e/scripts/crosstool-NG.sh' at line # 496 in function 'main'
[ERROR]    Look at '/home/bigguiness/x-tools/arm-unknown-linux-gnueabi/build.log' for more info on this error.
[ERROR]  (elapsed: 9:41.97)
[09:42] / make: *** [build] Error 1
bigguiness@etch:~/toolchain$ 

I followed the Download and usage instructions on the website:

bigguiness@etch:~/src$ hg clone http://ymorin.is-a-geek.org/hg/crosstool-ng
bigguiness@etch:~/src$ cd crosstool-ng
bigguiness@etch:~/src/crosstool-ng$ ./configure --prefix=/home/bigguiness
bigguiness@etch:~/src/crosstool-ng$ make
bigguiness@etch:~/src/crosstool-ng$ export PATH="${PATH}:/home/bigguiness/bin"
bigguiness@etch:~/src/crosstool-ng$ cd /home/bigguiness/toolchain
bigguiness@etch:~/toolchain$ ct-ng help
bigguiness@etch:~/toolchain$ ct-ng menuconfig
bigguiness@etch:~/toolchain$ ct-ng build

I think I have everything setup and configured correctly but I can't figure
out why the build is failing.  From the build.log it appears that linuxthreads
is getting checked out but when the build tries to mv it the files do not exist:

[ALL  ]    cvs checkout: Updating linuxthreads/linuxthreads_db
[DEBUG]    ==> Executing: 'mv linuxthreads glibc-linuxthreads-cvs-2.7'
[ALL  ]    mv: cannot stat `linuxthreads': No such file or directory
[ERROR]    Build failed in step 'Retrieving needed toolchain components' tarballs'

Do I have something configured incorrectly or am I doing something wrong?
Is there a "magic" combination of the Binutils/C compiler/C-library version
that must be used?

Thanks for any reply,
Hartley Sweeten

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