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Fix ppc bios, this is the one from qemu svn 6657.
author Rob Landley <rob@landley.net>
date Mon, 30 Mar 2009 04:50:02 -0500
parents 8de4598dfe46
children 14bd42f4a47e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4bb60ffd0d09 This won't work with dash either.
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1 #!/bin/bash
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2
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3 # miniconfig.sh copyright 2005 by Rob Landley <rob@landley.net>
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4 # Licensed under the GNU General Public License version 2.
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5
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6 # Run this in the linux kernel build directory with a starting file, and
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7 # it creates a file called mini.config with all the redundant lines of that
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8 # .config removed. The starting file must match what the kernel outputs.
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9 # If it doesn't, then run "make oldconfig" on it to get one that does.
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10
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11 export KCONFIG_NOTIMESTAMP=1
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12
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13 if [ $# -ne 1 ]
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14 then
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15 echo "Usage: miniconfig.sh configfile"
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16 exit 1
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17 fi
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18
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19 if [ ! -f "$1" ]
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20 then
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21 echo "Couldn't find "'"'"$1"'"'
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22 exit 1
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23 fi
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24
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25 if [ "$1" == ".config" ]
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26 then
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27 echo "It overwrites .config, rename it and try again."
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28 exit 1
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29 fi
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30
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31 make allnoconfig KCONFIG_ALLCONFIG="$1" > /dev/null
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32 # Shouldn't need this, but kconfig goes "boing" at times...
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33 yes "" | make oldconfig > /dev/null
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34 if ! cmp .config "$1"
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35 then
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36 echo Sanity test failed, normalizing starting configuration...
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37 diff -u "$1" .config
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38 fi
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39 cp .config .big.config
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40
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41 # Speed heuristic: remove all blank/comment lines
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42 grep -v '^[#$]' .config | grep -v '^$' > mini.config
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43 # This should never fail, but kconfig is so broken it does sometimes.
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44 make allnoconfig KCONFIG_ALLCONFIG=mini.config > /dev/null
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45 if ! cmp .config "$1"
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46 then
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47 echo Insanity test failed: reversing blank line removal heuristic.
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48 cp .big.config mini.config
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49 fi
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50 #cp .config mini.config
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51
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52 echo "Calculating mini.config..."
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53
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54 LENGTH=`cat mini.config | wc -l`
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55 OLDLENGTH=$LENGTH
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57 # Loop through all lines in the file
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58 I=1
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59 while true
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60 do
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61 if [ $I -gt $LENGTH ]
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62 then
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63 break
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64 fi
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65 sed -n "${I}!p" mini.config > .config.test
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66 # Do a config with this file
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67 rm .config
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68 make allnoconfig KCONFIG_ALLCONFIG=.config.test | head -n 1000000 > /dev/null
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69 # Compare. Because we normalized at the start, the files should be identical.
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70 if cmp -s .config .big.config
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71 then
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72 mv .config.test mini.config
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73 LENGTH=$[$LENGTH-1]
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74 else
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75 I=$[$I + 1]
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76 fi
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77 echo -n -e "\r$[$I-1]/$LENGTH lines $(cat mini.config | wc -c) bytes $[100-((($LENGTH-$I)*100)/$OLDLENGTH)]% "
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78 done
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79 rm .big.config
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80 echo