[fpc-devel] OpenBsd cross compiler

[Leonardo M. Ramé]

>________________________________
> From: Pierre Free Pascal <pierre at freepascal.org>
>To: 'Leonardo M. Ramé' <martinrame at yahoo.com>; 'FPC developers' list' <fpc-devel at lists.freepascal.org> 
>Sent: Friday, April 27, 2012 11:20 AM
>Subject: RE: [fpc-devel] OpenBsd cross compiler
> 
>  Hi Leonardo,
>
>> -----Message d'origine-----
>> De : fpc-devel-bounces at lists.freepascal.org [mailto:fpc-devel-
>> bounces at lists.freepascal.org] De la part de Leonardo M. Ramé
>> Envoyé : jeudi 26 avril 2012 21:10
>> À : FPC developers' list
>> Objet : [fpc-devel] OpenBsd cross compiler
>> 
>> Hi, I usually create Win32 targets using this:
>> 
>> make crossinstall OS_TARGET=win32 CPU_TARGET=i386
>> PP=/home/leonardo/Desarrollo/fpc/i386-linux-ppc386
>> 
>> Now I want to create an OpenBSD cross compiler, so I just replaced "win32"
>by "openbsd":
>
>Yes, but you do need cross-binutils for openbsd!
>
>The problem is that current GNU Binutils source do
>not generate correct objects/executables for openbsd.
>
>Which means that you need to get an openbsd specific binutils source
>install it, and configure it for the target you are interested in:
>
>  I checked the internet, and it seems to be difficult to fond.
>Thus I added it to 
>ftp://ftp.freepascal.org/pub/fpc/contrib/cross/openbsd/
>
>1) Downloaded 
>ftp://ftp.freepascal.org/pub/fpc/contrib/cross/openbsd/binutils-openbsd-2.15
>.tar.gz
>file.
>
>2) Untar it
>tar -xvzf binutils-openbsd-2.15.tar.gz
>
>3) Create build directory:
>mkdir build-cross-i386-openbsd
>cd build-cross-i386-openbsd
>4) Run configure for that target
>../binutils-4.9/configure --target=i386-pc-openbsd
>  --program-prefix=i386-openbsd-
>
>(That's what I used on mingw32, but
>to compile on mingw you also need to apply
>the patch that I added in the same directory on ftp server).
>
>5) Compile and install everything:
>make all-gas all-binutils all-ld
>make install-gas install-binutils install-ld
>prefix=PATH/TO/WHERE/YOU/WANT/IT
>
>This should install 
>i386-openbsd-as
>i386-openbsd-ld
>and a few more into
>PATH/TO/WHERE/YOU/WANT/IT/bin directory
>
>Note that I didn't use the same procedure on mingw
>(because I wanted to get binaries that did not depend
>on any mingw specific DLLs)
>
>> make crossinstall OS_TARGET=openbsd CPU_TARGET=i386
>> PP=/home/leonardo/Desarrollo/fpc/i386-linux-ppc386
>> 
>> But the linker is not found. This is the error I get:
>> 
>> make[5]: se ingresa al directorio
>> «/home/leonardo/Desarrollo/fpc/rtl/openbsd»
>> /bin/mkdir -p /home/leonardo/Desarrollo/fpc/rtl/units/i386-openbsd
>> i386-openbsd-as -o /home/leonardo/Desarrollo/fpc/rtl/units/i386-
>> openbsd/prt0.o i386/prt0.as
>> make[5]: i386-openbsd-as: No se encontró el programa
>> make[5]: *** [prt0.o] Error 127
>> make[5]: se sale del directorio
>«/home/leonardo/Desarrollo/fpc/rtl/openbsd»
>> make[4]: *** [openbsd_all] Error 2
>> make[4]: se sale del directorio «/home/leonardo/Desarrollo/fpc/rtl»
>> make[3]: *** [rtl] Error 2
>> make[3]: se sale del directorio «/home/leonardo/Desarrollo/fpc/compiler»
>> make[2]: *** [cycle] Error 2
>> make[2]: se sale del directorio «/home/leonardo/Desarrollo/fpc/compiler»
>> make[1]: *** [compiler_cycle] Error 2
>> make[1]: se sale del directorio «/home/leonardo/Desarrollo/fpc»
>> make: *** [build-stamp.i386-openbsd] Error 2
>> 
>> Is there an "i386-openbsd-as" linker?. Where can I find it.
>
>  i386-openbsd-as is the assembler, not the linker
>i386-openbsd-ld is the linker.
>
>> BTW. I'm on Linux x86_64 (Ubuntu 11.10).
>
>  You could repeat the steps for
>x86_64-openbsd target
>by simply using
>  --target=x86_646pc-openbsd
>
>Hoping the above will help,
>
>Pierre
>


Thanks Pierre, I'll try the binutils package you uploaded. 

Leonardo M. Ramé
http://leonardorame.blogspot.com