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Date: Thu, 21 Jan 2010 14:40:47 -0800
From: "Philip A. Prindeville" <philipp_subx@redfish-solutions.com>
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To: "NEAL, RYAN" <RYAN_NEAL@appsig.com>
CC: dev@apr.apache.org
Subject: Re: Cross compiling the APR suite
References: <4B2CB099CF3D4F40B1B1442281CA94FFD99BCA@EXCHANGEVS01.appsig.com>
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Do you need -D_GNU_SOURCE in your $CFLAGS?


On 01/21/2010 02:38 PM, NEAL, RYAN wrote:
> Philip,
> 
> Thanks for the advice.  I went into the buildroot and had it compile
> iconv.  This allowed me to have an iconv that is cross-compiled already.
> I tried doing it myself - just another headache...
> 
> What I had to do was NOT provide the --with-iconv flag and add the
> LDFLAGS="-L/tmp/buildroot-2009.11/output/target/lib
> -L/tmp/buildroot-2009.11/output/target/usr/lib" flag.  This is where the
> libiconv.so resided.  This worked beautifully.  And then the compile on
> the log4cxx worked as well. 
> 
> Still having a problem linking against the pthread library (in the same
> spot as the iconv lib) but that is a log4cxx problem.
> 
> I was wondering where the possibilities for PACKAGE were
> (--with-PACKAGE)?  
> 
> Thanks soooo much!  I couldn't have done this without you guys!
> 
> :: Ryan Neal
> 
> 
> -----Original Message-----
> From: Philip A. Prindeville [mailto:philipp_subx@redfish-solutions.com] 
> Sent: Wednesday, January 20, 2010 11:31 PM
> To: dev@apr.apache.org
> Subject: Re: Cross compiling the APR suite
> 
> You might need to use:
> 
> -isystem /xyzzy
> 
> for your CFLAGS, where "/xyzzy" is the prefix to your target's include
> directory, and:
> 
> --sysroot=/barfoo -L/barfoo/lib
> 
> (or whatever) for your LDFLAGS to find the right libraries.
> 
> 
> On 01/20/2010 04:30 PM, NEAL, RYAN wrote:
>> Hey,
>>
>> So after some investigation I have found something that I think is a
>> problem...I have work around that gets me closer but it isn't there
> yet.
>>
>> When APU is trying to determine iconv "presence" it will write a
> little
>> program and try and compile it.  The file is just to determine if the
>> included files are there.  What ends up happening when I am cross
>> compiling is that iconv.h includes features.h which includes
>> gnu/stubs-32.h.  When it tries this it is relying on the build
> machine's
>> install.  I am building on a F11 64bit machine.  Thus I have a
>> stubs-64.h, but no stubs-32.h.  I went and got a stubs-32.h from
> another
>> Red Hat machine, this allows me to get to the point where it tries to
>> find the libiconv file (-liconv).  This is failing.  
>>
>> I am not sure where I can get a copy of this.  Do I not have a iconv
>> installed on the machine?  I thought it came with the F11 install. 
>>
>> Again thanks for helping!
>>
>> :: Ryan Neal
>>
>>
>> -----Original Message-----
>> From: Daniel Pocock [mailto:daniel@pocock.com.au] 
>> Sent: Wednesday, January 20, 2010 3:04 AM
>> To: Nick Kew
>> Cc: NEAL, RYAN; dev@apr.apache.org
>> Subject: Re: Cross compiling the APR suite
>>
>>
>> I've attempted cross compiling with the Android NDK and the NDK
>> wrappers.
>>
>> There were a few things I had to tweak, I will publish some details 
>> shortly.  Some of what I did will be necessary for any cross-compile, 
>> not just Android.
>>
>> Nick Kew wrote:
>>   
>>> On 20 Jan 2010, at 01:02, NEAL, RYAN wrote:
>>>
>>>   
>>>     
>>>> Hello,
>>>>     
>>>>       
>>> Your mail would be more legible it you can stop your mailer
>>> scrambling it into pseudo-HTML.
>>>
>>>   
>>>     
>>>> ./configure CC=powerpc-linux-gcc --host=powerpc-linux
>>>>       
>> --prefix=/tmp/target_filesystem/apr ac_cv_file__dev_zero=yes
>> ac_cv_func_setpgrp_void=yes apr_cv_tcp_nodelay_with_cork=yes
>> ac_cv_sizeof_struct_iovec=8 --enable-threads CXX=powerpc-linux-g++
>>   
>>>>     
>>>>       
>>> Is this a cross-compile you're attempting?  If not, whence all those
>>>     
>> settings?
>>   
>>>   
>>>     
>>>> /tmp/target_filesystem/apr/lib/libapr-1.so: warning: the use of
>>>>       
>> LEGACY `utimes' is discouraged, use `utime'
>>   
>>>>     
>>>>       
>>> Could be worth following up ...
>>>
>>>   
>>>     
>>>> /tmp/target_filesystem/apr/lib/libapr-1.so: undefined reference to
>>>>       
>> `pthread_create'
>>   
>>>>     
>>>>       
>>> So it's compiled libapr with pthread for the target system but
> doesn't
>>>     
>> find it
>>   
>>> on the host system.  Maybe it would help if you point your --with-apr
>>> to the target apr's apr-1-config?
>>>
>>>   
>>>     
>>>> Any ideas would be REALLY helpful.   I am stumped!
>>>>     
>>>>       
>>> If we knew what you're really trying to do ....
>>>
>>> Find exactly what failed in config.log.  Then try the same thing by
>>>     
>> hand,
>>   
>>> and tweak that until you have it working.  You can then work
> backwards
>>> to the build options and/or patches you may need.
>>>
>>>   
>>>     
>>   
>