[Click] cross compile the click

[Eddie Kohler]

For what it's worth, --enable-fixincludes is the default in click-2.0.
But click-2.0.1 is better.

Eddie


On Fri, Nov 25, 2011 at 4:34 AM, Sascha Alexander Jopen
<jopen at informatik.uni-bonn.de> wrote:
> Hi,
>
> i'm not sure what the status of patchless click is in click-2.0. Maybe
> you have to enable it with --enable-fixincludes while configuring the
> sources. However, if you do not explicitly need kernel level support, i
> suggest compiling with --disable-linuxmodule and only use the userlevel
> driver. Debugging of your click configurations is much easier in
> userlevel and segmentation faults won't take down your machine, as click
> in kernel space.
>
> Regards,
> Sascha
>
> On 11/24/11 17:55, kele kele wrote:
>>    Hi,
>>        Thanks for telling me how to cross compile the click last days.
>>        Now, my target rmilinux kernel is 2.6.21.  click version is 2.0.
>>        You tell me use these flags:
>> CPPFLAGS="-I/path/to/include/
>>
>> CFLAGS="-I/path/to/include/dir -MD" \
>> CXXFLAGS="-I/path/to/include/dir -MD" \
>> LDFLAGS="-L/path/to/library/dir" \
>> ./configure \
>> --prefix=/usr \
>> --target=mipsisa32-xlr-linux \
>> --host=mipsisa32-xlr-linux \
>> --build=i686-linux-gnu \
>> --enable-tools=host \
>> --enable-userlevel \
>> --disable-linuxmodule
>>
>>        now , I have use like this:
>> CC=mips64-unknown-linux-gnu-gcc
>> CPP=mips64-unknown-linux-gnu-cpp
>> CXX=mips64-unknown-linux-gnu-g++
>> AR=mips64-unknown-linux-gnu-ar
>> AS=mips64-unknown-linux-gnu-as
>> LD=mips64-unknown-linux-gnu-ld
>> OBJCOPY=mips64-unknown-linux-gnu-objcopy
>> OBJDUMP=mips64-unknown-linux-gnu-objdump
>> RANLIB=mips64-unknown-linux-gnu-ranlib
>> READELF=mips64-unknown-linux-gnu-readelf
>> SIZE=mips64-unknown-linux-gnu-size
>> STRING=mips64-unknown-linux-gnu-string
>> STRIP=mips64-unknown-linux-gnu-strip
>>
>> ./configure \
>>         --prefix=/opt/click \
>>         --host=mips64-unknown-linux-gnu \
>>         --target=mips64-unknown-linux-gnu \
>>         --build=i386-linux-gnu \
>>         --with-linux=/opt/rmi/1.6/linux/src \
>>         --with-linux-map=/opt/rmi/1.6/linux/src/System.map
>>
>>     And there is a config warning:
>> #########################################################
>> Your Linux kernel header files cause errors when included by a C++ program,
>> so I won't try to compile the linuxmodule driver.
>>
>> There are two common reasons for this error:
>> 1. You have not applied the Linux kernel patch that comes with this
>>     distribution.  Apply the right patch and try again.  See the INSTALL
>>     file for more information.
>> 2. Your Linux configuration enables some functionality that is not yet
>>     covered by our patches.  Turn off this functionality and try again,
>>     or fix the error and tell us how you did it.  See the config.log file
>>     for more detailed information on the error.
>> ##########################################################
>>
>>      with this warning, make linuxmoudle will failed.
>>     I found that in clickdir/include/click-linuxmodule, there are only
>> directory include0 , include1.
>> if configure success, there will be include2 in the directory too.
>>     So, I have made an experiment. I configure click-2.0 in kernel
>> 2.6.18(centos 5) and
>> kernel 2.6.27(fedora 10) with "./configure", all these kernels are without
>> click patch.
>> The result is that it is succeed in kernel 2.6.27 and faild in kernel
>> 2.6.18, the faild imformation
>> is same like above config warning.
>>     I doubt the config warning is relate  with the kernel version.
>>     So can you give me some advices.
>>           Thanks!
>>                                                   Kelei Jin
>>                                                   Zhe Jiang Gong Shang
>> University
>>                                                   China
>>
>
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