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annotate extra/README @ 102:f7a87c3a8e0e
Set version to indicate development since 4.2
author | lost@l-w.ca |
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date | Sat, 06 Aug 2011 22:16:09 -0600 |
parents | 84eb35251849 |
children | e0cc66fd0551 |
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84eb35251849
Added extra scripts that can be used to run gcc6809 with lwtools as its binutils
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1 These files are extra utility type scripts that can be used for various |
84eb35251849
Added extra scripts that can be used to run gcc6809 with lwtools as its binutils
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2 purposes. |
84eb35251849
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3 |
84eb35251849
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4 as |
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5 |
84eb35251849
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6 This is a sort of front-end script that makes lwasm look approximately like |
84eb35251849
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7 gnu as which is useful for using lwasm as a backend to gcc. You will |
84eb35251849
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8 probably need to edit it to make it work fully. Simply put this in place |
84eb35251849
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9 of whatever gcc6809 installed for "as" (in the "m6809/bin" folder in |
84eb35251849
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10 "--prefix") after editing it to point to the real location of the "lwasm" |
84eb35251849
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11 binary. |
84eb35251849
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12 |
84eb35251849
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13 |
84eb35251849
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14 ld |
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15 |
84eb35251849
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16 Similar to the "as" script above except for lwlink. |
84eb35251849
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17 |
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18 |
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19 ar |
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20 |
84eb35251849
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21 Similar to the "as" script above except for lwar. |
84eb35251849
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22 |
84eb35251849
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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 |
84eb35251849
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25 cross compiler. The basics are that you put the as, ld, and ar scripts |
84eb35251849
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26 whereever you plan to put your cross-development binaries. Then, when |
84eb35251849
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27 building the cross compiler, you tell it where the scripts are. |
84eb35251849
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28 |
84eb35251849
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29 The following worked with gcc6809 4.3.4-3: |
84eb35251849
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30 |
84eb35251849
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31 1. Install the ar, as, and ld scripts named m6809-unknown-{as,ar,ld} in a |
84eb35251849
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32 directory in your path, say /usr/local/coco/bin/. |
84eb35251849
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33 |
84eb35251849
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34 2. Make symbolic links to /bin/true for similarly named nm, objdump, ranlib, |
84eb35251849
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35 and strip in the same directory Some of these may not be necessary. |
84eb35251849
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36 |
84eb35251849
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37 3. Unpack gcc and apply the gcc6809 patch. |
84eb35251849
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38 |
84eb35251849
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39 4. Make sure /usr/local/coco/bin is in your PATH |
84eb35251849
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40 |
84eb35251849
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41 5. Make sure "." is NOT in your path or is at the END of PATH. If you have |
84eb35251849
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42 gazillions of errors pop up compiling "gemodes.c", this is your problem. |
84eb35251849
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43 |
84eb35251849
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44 6. In a directory (other than the gcc source, say "gcc-build" at the same |
84eb35251849
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45 level as the main gcc directory, do (assuming gcc 4.3.4): |
84eb35251849
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46 |
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47 configure --enable-languages=c --target=m6809-unknown \ |
84eb35251849
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48 --program-prefix=m6809-unknown- --enable-obsolete \ |
84eb35251849
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49 --srcdir=../gcc-4.3.4 --disable-threads --disable-nls \ |
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50 --disable-libssp --prefix=/usr/local/coco \ |
84eb35251849
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51 --with-as=/usr/local/coco/bin/m6809-unknown-as \ |
84eb35251849
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52 --with-ld=/usr/local/coco/bin/m6809-unknown-ld \ |
84eb35251849
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53 --with-ar=/usr/local/coco/bin/m6809-unknown-ar |
84eb35251849
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54 |
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55 NOTE: the last three are required to prevent selection of the wrong binutils |
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56 programs at runtime. |
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57 |
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58 --with-sysroot might be useful if you have a C library involved. |
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59 |
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60 7. Run "make". If errors appear, troubleshoot. |
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61 |
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62 8. Run "make install". Note that you will have to have your PATH variable |
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63 for "root" set up correctly if your install prefix requires root privileges. |
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64 |
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65 The above is WOMM certified. YMMV. |