annotate extra/README @ 378:1c31e9005ff7

Brought forward lwlink, lwar, and lwobjdump along with some misc junk
author lost@starbug
date Mon, 26 Apr 2010 19:30:44 -0600
parents old-trunk/extra/README@eb230fa7d28e
children acaafc70044b
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1 These files are extra utility type scripts that can be used for various
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2 purposes.
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3
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4 as
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5
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6 This is a sort of front-end script that makes lwasm look approximately like
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7 gnu as which is useful for using lwasm as a backend to gcc. You will
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8 probably need to edit it to make it work fully. Simply put this in place
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9 of whatever gcc6809 installed for "as" (in the "m6809/bin" folder in
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10 "--prefix") after editing it to point to the real location of the "lwasm"
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11 binary.
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13
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14 ld
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15
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16 Similar to the "as" script above except for lwlink.
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18
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19 ar
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21 Similar to the "as" script above except for lwar.
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23
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24 To use these scripts, you really need to understand how to build a gcc as a
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25 cross compiler. The basics are that you put the as, ld, and ar scripts
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26 whereever you plan to put your cross-development binaries. Then, when
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27 building the cross compiler, you tell it where the scripts are.
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28
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29 You should probably name them m6809-unknown-none-{ar,as,ld} or similar
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30 depending on your gcc build target. Then you'll want to get the gcc6809
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31 patch and patch the correct gcc source code. Then use a configure line
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32 similar to the following:
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33
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34 configure --enable-languages=c --target=m6809-coco
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35 --program-prefix=m6809-coco-lwos- --enable-obsolete
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36 --srcdir=/home/lost/gcc6809/src/gcc-4.3.3 --disable-threads --disable-nls
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37 --disable-libssp --prefix=/usr/local/coco --with-as=/usr/local/coco/bin/as
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38 --with-ld=/usr/local/coco/bin/ld --with-sysroot=/usr/local/coco
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39
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40 Obviously adjust various paths to match what you're doing.
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41
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42 The exact mechanics of configuring and getting gcc to install correctly is
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43 left as an exercise to the dedicated masochist.