Re: [Jamvm-general] Cross-compiling fro ARM
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Re: [Jamvm-general] Cross-compiling fro ARM
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From: modsrm <mo...@gm...> - 2012-12-19 21:10:57
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Hi Rob,
here is my command line after your suggestions:
PATH=$PATH:/home/mods/development/embedded/tools/toolchain/arm-unknown-linux-gnueabi/bin/
./configure --build=x86 --host=arm-unknown-linux-gnueabi
CPPFLAGS="-I/home/mods/development/embedded/tools/rootfs/include"
LDFLAGS="-L/home/mods/development/embedded/tools/rootfs/lib"
I saw the switch that sets cross_compiling to yes, and it does fire.
The failure is still the same.
config.{log,h} are attached.
Thanks,
R.
http://old.nabble.com/file/p34817132/config.h config.h
http://old.nabble.com/file/p34817132/config.log config.log
Robert Lougher wrote:
>
> On 19 December 2012 15:28, modsrm <mo...@gm...> wrote:
>>
>> Hi Rob,
>>
>> thanks for the answer.
>>
>>> If configure still refuses to enter cross-compilation try
>>> --disable-int-inlining. It's the relocation checks for the
>>> code-copying JIT that are done differently if cross-compiling so
>>> disabling it will "fix" the problem. However, performance will be
>>> affected (how much depends on the ARM architecture). The code-copying
>>> JIT was enabled by default on ARM in JamVM 1.5.4.
>>
>> I think i did get the flags right, and configure does enter cross
>> compilation mode.
>> Few subfolders are indeed cross compiled ( os/linux among others ).
>> Nonetheless compilation eventually fails with the error mentioned below
>>
>
> Please send me your config.log file and src/config.h. By default,
> runtime relocation checks is set to the value of $cross_compiling (an
> autoconf variable). The compute_relocatability.c file is built as
> part of the compile time relocation checking, so $cross_compiling must
> be set to "no".
>
> Rob.
>
>>> arm-unknown-linux-gnueabi-gcc -g -O2
>>> -I/home/mods/development/embedded/tools/rootfs/include
>>> -L/home/mods/development/embedded/tools/rootfs/lib
>>> engine/compute_relocatability.c -o engine/compute_relocatability
>>> engine/compute_relocatability.c:24:17: fatal error: jam.h: No such file
>>> or
>>> directory
>>
>>
>> My plan it to analyze GC performance, so building without the code
>> copying
>> interpreter should not be a problem.
>> Ill give it a shot, ill let you know.
>>
>> Thanks again.
>>
>> R.
>>
>>
>>
>> Robert Lougher wrote:
>>>
>>> On 19 December 2012 12:55, Robert Lougher <rob...@gm...> wrote:
>>>> On 19 December 2012 09:44, modsrm <mo...@gm...> wrote:
>>>>>
>>>>> Hi there,
>>>>>
>>>>> ill bump this up cos im having the same problem while compiling JamVM
>>>>> for
>>>>> ARM.
>>>>>
>>>>> This is my configure command line:
>>>>>
>>>>> PATH=$PATH:/home/mods/development/embedded/tools/toolchain/arm-unknown-linux-gnueabi/bin/
>>>>> ./configure --host=arm-unknown-linux-gnueabi
>>>>> CPPFLAGS="-I/home/mods/development/embedded/tools/rootfs/include"
>>>>> LDFLAGS="-L/home/mods/development/embedded/tools/rootfs/lib"
>>>>>
>>>>> This is the failure of make:
>>>>>
>>>>> arm-unknown-linux-gnueabi-gcc -g -O2
>>>>> -I/home/mods/development/embedded/tools/rootfs/include
>>>>> -L/home/mods/development/embedded/tools/rootfs/lib
>>>>> engine/compute_relocatability.c -o engine/compute_relocatability
>>>>> engine/compute_relocatability.c:24:17: fatal error: jam.h: No such
>>>>> file
>>>>> or
>>>>> directory
>>>>>
>>>>> I hope somebody can help!
>>>>>
>>>>
>>>> That file should not be built when cross-compiling. This means that
>>>> configure has not entered cross-compilation mode. This is probably
>>>> because you have only specified --host (the host is what you are
>>>> building on, not the target) The autoconf recommended way to enable
>>>> cross-compilation is to specify both --build (the target) and --host
>>>> (the host machine). If they are different, cross-compilation mode is
>>>> enabled, and no runtime checks are performed.
>>>>
>>>
>>> I've got that the wrong way round, --build is the build machine type
>>> (I'm guessing x86[_64] linux) and --host is the ARM machine.
>>>
>>> If configure still refuses to enter cross-compilation try
>>> --disable-int-inlining. It's the relocation checks for the
>>> code-copying JIT that are done differently if cross-compiling so
>>> disabling it will "fix" the problem. However, performance will be
>>> affected (how much depends on the ARM architecture). The code-copying
>>> JIT was enabled by default on ARM in JamVM 1.5.4.
>>>
>>> Rob.
>>>
>>>>
>>>>> Thanks in advance,
>>>>>
>>>>> Roberto
>>>>>
>>>>>
>>>>>
>>>>> Jean-Marie Geffroy wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Thank you for this great JVM. I'm using it since 1 year embedded on
>>>>>> ARM systems for prototypes and consider using even more now. However,
>>>>>> I have a small problem when trying to cross-compile JamVM 1.5.4 for
>>>>>> ARM. I get the following error message:
>>>>>>
>>>>>> engine/compute_relocatability.c:24:17: jam.h: No such file or
>>>>>> directory
>>>>>>
>>>>>> Any idea about it ?
>>>>>>
>>>>>> Thank you very much in advance,
>>>>>>
>>>>>> Jean-MArie
>>>>>>
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>>>>> --
>>>>> View this message in context:
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>>>>> Sent from the JamVM mailing list archive at Nabble.com.
>>>>>
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>>
>>
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>
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