[Mono-dev] Problems cross compiling Mono itself for ARM with uClibc

[Andreas Färber]

Hi Thomas,

Am 14.03.2008 um 07:39 schrieb Barbara Neuer:

> Hello,
>
> is it possible, that the configuration step of Mono tries to execute  
> a file on my i386 architecture platform, compiled with the arm-gcc?

In general that's possible with configure scripts, but here it's  
trying to execute `arm-linux-gcc --version`, see below. I'd assume  
you'll get a similar error message if you execute it yourself from a  
terminal? If so, then your cross-compiler setup is broken.

> If this is the reason, how can I solve the problem? Is there a  
> configuration-switch or a workaround which I've overlooked?

Once you get to the point where you encounter such a situation you can  
provide a cache file with the relevant settings (it can be useful to  
make the file read-only while testing or it'll be overwritten).

Andreas


> Greets, Thomas
>
> -------- Original-Nachricht --------
>> Datum: Thu, 13 Mar 2008 22:09:01 +0100
>> Von: "Andreas Färber" <andreas.faerber at web.de>
>> An: freaky001 at gmx.net
>> CC: mono-devel-list at lists.ximian.com
>> Betreff: Re: [Mono-dev] Problems cross compiling Mono itself for  
>> ARM with uClibc
>
>>
>> Am 13.03.2008 um 21:53 schrieb freaky001 at gmx.net:
>>
>>> Hello,
>>>
>>> I'm trying to cross compile the mono package 1.2.6 with my arm- 
>>> linux-
>>> gcc-4.1.2 shipped with my development board synertronixx scb9520
>>> with a preinstalled Linux RT 2.6.18 Kernel. I'm unsuccessfully
>>> trying this job for 1 month.
>>>
>>> My host platform is a Fedora 8 i386 machine. I copied the cross
>>> compiler suite to /usr/local and set the environment variables, as
>>> you can see below:
>>>
>>> # env | grep PATH
>>> PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/ccache:/usr/ 
>>> local/
>>> sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/
>>> gcc-4.1.2-uClibc-0.9.29-xscale/bin:/root/bin
>>>
>>> Then I unpacked the mono package to /usr/local and then I tried to
>>> configure it with the following command:
>>> CC=arm-linux-gcc ./configure --prefix=/urs --target=arm-linux -- 
>>> with-
>>> glib=embedded --with-gc=boehm --with-static_mono=yes --disable-mcs-
>>> build --enable-static
>>>
>>> All what I get as output are the following lines:
>>> [root at localhost mono-1.2.6]# CC=arm-linux-gcc ./configure --prefix=/
>>> urs --target=arm-linux --with-glib=embedded --with-gc=boehm --with-
>>> static_mono=yes --disable-mcs-build --enable-static
>>> checking build system type... i686-pc-linux-gnu
>>> checking host system type... i686-pc-linux-gnu
>>> checking target system type... arm-unknown-linux-gnu
>>> checking for a BSD-compatible install... /usr/bin/install -c
>>> checking whether build environment is sane... yes
>>> checking for a thread-safe mkdir -p... /bin/mkdir -p
>>> checking for gawk... gawk
>>> checking whether make sets $(MAKE)... yes
>>> checking how to create a ustar tar archive... gnutar
>>> checking whether to enable maintainer-specific portions of
>>> Makefiles... no
>>> checking whether ln -s works... yes
>>> ./configure: line 2844: ./libtool: No such file or directory
>>> checking host platform characteristics... ok
>>> checking for gcc... arm-linux-gcc
>>> checking for gcc... (cached) arm-linux-gcc
>>> checking for C compiler default output file name...
>>> configure: error: C compiler cannot create executables
>>> See `config.log' for more details.
>>>
>>> Here is the config.log:
>>> =======================
>>>
>>
>>> configure:3491: checking for C compiler version
>>> configure:3498: arm-linux-gcc --version >&5
>>> ./configure: line 3499: /usr/local/gcc-4.1.2-uClibc-0.9.29-xscale/
>>> bin/arm-linux-gcc: cannot execute binary file
>>> configure:3501: $? = 126
>>
>> That's apparently a problem with your compiler, not with Mono
>> configuration.
>>
>> Andreas
>
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