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Date:	Wed, 2 May 2012 09:20:59 +0300
Message-ID:	<CAA2C=vAZSzboRkjYtk7-6M_=47UdjLZKXdNHUnyPryw5df_RFg@mail.gmail.com>
Subject:	Re: Building DJGPP cross-compiler from Andris' SRPMS on x86_64
From:	Ozkan Sezer <sezeroz AT gmail DOT com>
To:	djgpp AT delorie DOT com
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On Wed, May 2, 2012 at 6:55 AM, Andris Pavenis <andris DOT pavenis AT iki DOT fi> wrote:
> On 05/01/2012 05:46 PM, Bob Tanner wrote:
>>
>> Downloaded the necessary .src.rpm from http://ap1.pp.fi/djgpp/
>>
>> Attempting to compile the src.rpm on CentOS 6.2 x86_64.
>>
>> First question, can the host platform by x86_64?
>>
>> djcross-binutils-2.19-9ap.x86_64 built without any problem.
>>
>> $ rpmbuild -bb djcrx.spec
>> error: Failed build dependencies:
>> djcross-gcc >= 4.1.0 is needed by djcrx-2.04pre_20111027-14ap.x86_64
>>
>> $ rpmbuild -bb djcross-gcc-4.7.spec
>> error: Failed build dependencies:
>> djcrx is needed by djcross-gcc-4.7.0-1ap.x86_64
>>
>> Cyclic dependencies?
>
>
> There is one earlier SRPM
>
> ftp://ftp.delorie.com/pub/djgpp/rpms/djcrx-2.04pre-5.src.rpm
>
> which does not depend on existing cross-compiler build. It uses prepackaged
> djcrx204.zip package. Later versions uses CVS snapshots of DJGPP library
> sources.
>
> It is old and current rpmbuild complains about target related packages
> present in noarch package. You can change target to x86_64 in SPEC file.
> After that RPM package builds OK in Fedora 16 x86_64.
> I have not tried CentOS-6.2. My available builds for ix86 are done in
> CentOS-5.X chroot under Fedora x86_64 version.
>
>
>
>> Since I'm 64-bit CentOS I can't install the i686.rpm.
>>
>> Is the djcrx-2.04pre_20110501-14ap.i386.rpm 32-bit only?
>>
>> Does the host platform need to be 32-bit?
>
>
> djcrx RPM contains stubify and stubedit executables, so it is target
> dependent.
>
> One can install 32 bit packages in x86_64 linux installation, but not in
> opposite direction. As result only 32 bit packages were provided . You do
> not need very much for my RPM builds of cross-compiler. Of course that
> assumes available root access on system.

FYI: The djcrx srpm has several patches none of which are necessary
today: -m32 is not needed with current djcvs nor are the -fno-builtin-* stuff.

>
> Andris

--
O.S.

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