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From:	Bob Tanner <tanner AT real-time DOT com>
Organization:	Real Time Enterprises, Inc.
Newsgroups:	comp.os.msdos.djgpp
Date:	Fri, 27 Apr 2012 12:40:11 -0500
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MIME-Version:	1.0
Subject:	Re: Cross-compiling on Lucid (10.04) Linux
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To:	djgpp AT delorie DOT com
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On 2012-04-26 15:15:34 +0000, Bob Tanner said:

> Any help would be appreciated.

So I found a pretty site dealing with building our town toolchain from 
sources (the debian way).

http://wiki.debian.org/EmdebianToolchain#Build_your_own_from_sources

I'm ignorning the libc6 stuff for now and just attempting to build the 
binutils and gcc stuff.

Relevant HOWTO snippet for building binutils below:

$ apt-get source binutils; cd binutils-*
$ TARGET=<your-target> dpkg-buildpackage -b -uc -us
$ cd..
$ sudo dpkg -i *.deb

What would <your-target> be for DJGPP?

$ TARGET=i586-pc-msdosdjgpp dpkg-buildpackage -b -uc -us

Seems to work. I do get a 
binutils-i586-pc-msdosdjgpp_2.20.1-3ubuntu7.1_amd64.deb

Now onto the relevant HOWTO snippet for building gcc:

$ apt-get source gcc-4.X
$ cd gcc-4.X-*
$ GCC_TARGET=${ARCH} DEB_CROSS=yes fakeroot debian/rules control
$ DEB_CROSS_NO_BIARCH=yes \
        GCC_TARGET=${ARCH} DEB_CROSS=yes dpkg-buildpackage -us -uc -rfakeroot

What would I use for the ${ARCH}?

$ GCC_TARGET=i586-pc-msdosdjgpp DEB_CROSS=yes fakeroot debian/rules control
mkdir -p stamps
/usr/bin/make -f debian/rules.conf control
make[1]: Entering directory `/home/rte/tmp/msdos/gcc/gcc-4.4-4.4.3'
debian/rules.conf:160: *** Recursive variable `LIBC_DEP' references 
itself (eventually).  Stop.
make[1]: Leaving directory `/home/rte/tmp/msdos/gcc/gcc-4.4-4.4.3'
make: *** [control] Error 2

Might be a bug in the debian/rules (I'm asking over there) but I just 
want to make sure I have the ${ARCH} value correct.

Thanks.

-- 
Bob Tanner <tanner AT real-time DOT com>                  | Phone : (952 943-8700
http://www.real-time.com, Linux, OSX, VMware | Fax   : (952)943-8500
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