annotate scripts/genconfig.sh @ 496:f0247cfc37f2

Don't mix the the probed symbols with the command symbols.
author Rob Landley <rob@landley.net>
date Thu, 23 Feb 2012 21:03:18 -0600
parents 8f5780dd6da4
children 9bcc288a1c54
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d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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1 #!/bin/bash
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2
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3 # This has to be a separate file from scripts/make.sh so it can be called
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4 # before menuconfig. (It's called again from scripts/make.sh just to be sure.)
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5
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6 mkdir -p generated
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7 OUTFILE=generated/Config.in
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8
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9 source configure
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11 probeconfig()
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12 {
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13 # Probe for container support on target
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15 echo -e "# container support\nconfig TOYBOX_CONTAINER\n\tbool" || return 1
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16 $CC -c -xc -o /dev/null - << EOF
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17 #include <sched.h>
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18 int x=CLONE_NEWNS|CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET;
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19 EOF
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20 [ $? -eq 0 ] && DEFAULT=y || DEFAULT=n
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21 echo -e "\tdefault $DEFAULT\n" || return 1
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22 }
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23 genconfig()
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24 {
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25 # extract config stanzas from each command source file, in alphabetical order
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26
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27 for i in $(ls -1 toys/*.c)
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28 do
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29 # Grab the config block for Config.in
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30 echo "# $i"
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31 sed -n '/^\*\//q;/^config [A-Z]/,$p' $i || return 1
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32 echo
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33 done
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34 }
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35
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36 probeconfig > generated/Config.probed || rm generated/Config.probed
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37 genconfig > generated/Config.in || rm generated/Config.in