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annotate scripts/make.sh @ 1051:626cc2108480 draft

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Allow shipped generated/help.h to still be used, until I rewrite the generator in C.
author Rob Landley <rob@landley.net>
date Thu, 05 Sep 2013 06:54:46 -0500
parents 223df8e9c694
children 82c5eb459a91
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 # Grab default values for $CFLAGS and such.
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4
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c7e7b159568d The host sort on many distros behaves stupidly, and sorts stuff in non-ascii order by default. Make it stop.
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5 export LANG=c
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6 source ./configure
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7
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8 [ -z "$KCONFIG_CONFIG" ] && KCONFIG_CONFIG=".config"
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9
40d0c96a8e89 Add scripts/single.sh to build individual non-multiplexed standalone commands.
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10 if [ -z "$KCONFIG_CONFIG" ]
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11 then
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12 echo "No $KCONFIG_CONFIG (see "make help" for configuration options)."
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13 exit 1
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14 fi
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15
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16 echo "Make generated/config.h from $KCONFIG_CONFIG."
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17
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18 # This long and roundabout sed invocation is to make old versions of sed happy.
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19 # New ones have '\n' so can replace one line with two without all the branches
d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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20 # and tedious mucking about with hold space.
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21
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d0bf1df83c04 Re-wordwrap and reorder the .config->config.h sed script. (No real changes, just one command/line in a clearer order.)
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22 sed -n \
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23 -e 's/^# CONFIG_\(.*\) is not set.*/\1/' \
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24 -e 't notset' \
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25 -e 's/^CONFIG_\(.*\)=y.*/\1/' \
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26 -e 't isset' \
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52e980b216d3 Convert non-bool config values (such as int) into config.h entries.
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27 -e 's/^CONFIG_\([^=]*\)=\(.*\)/#define CFG_\1 \2/p' \
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28 -e 'd' \
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29 -e ':notset' \
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30 -e 'h' \
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31 -e 's/.*/#define CFG_& 0/p' \
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32 -e 'g' \
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33 -e 's/.*/#define USE_&(...)/p' \
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34 -e 'd' \
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35 -e ':isset' \
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36 -e 'h' \
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37 -e 's/.*/#define CFG_& 1/p' \
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38 -e 'g' \
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39 -e 's/.*/#define USE_&(...) __VA_ARGS__/p' \
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40 $KCONFIG_CONFIG > generated/config.h || exit 1
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7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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43 echo "Extract configuration information from toys/*.c files..."
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44 scripts/genconfig.sh
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7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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46 echo "Generate headers from toys/*/*.c..."
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47
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48 # Create a list of all the commands toybox can provide. Note that the first
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49 # entry is out of order on purpose (the toybox multiplexer command must be the
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50 # first element of the array). The rest must be sorted in alphabetical order
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51 # for fast binary search.
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52
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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53 echo "generated/newtoys.h"
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54
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55 echo "USE_TOYBOX(NEWTOY(toybox, NULL, TOYFLAG_STAYROOT))" > generated/newtoys.h
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56 sed -n -e 's/^USE_[A-Z0-9_]*(/&/p' toys/*/*.c \
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57 | sed 's/\(.*TOY(\)\([^,]*\),\(.*\)/\2 \1\2,\3/' | sort -k 1,1 \
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58 | sed 's/[^ ]* //' >> generated/newtoys.h
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59 sed -n 's/.*(NEWTOY(\([^,]*\), *\("[^,]*"\) *,.*/#define OPTSTR_\1\t\2/p' \
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60 generated/newtoys.h > generated/oldtoys.h
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61
712
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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62 # Extract list of command letters from processed header file
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63
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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64 function getflags()
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65 {
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66 FLX="$1"
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67 shift
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68 sed -n -e "s/.*TOY($FLX"',[ \t]*"\([^"]*\)"[ \t]*,.*)/\1/' \
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69 -e 't keep;d;:keep' -e 's/^[<>=][0-9]//' -e 's/[?&^]//' \
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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70 -e 't keep' -e 's/[><=][0-9][0-9]*//g' -e 's/+.//g' \
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71 -e 's/\[[^]]*\]//g' -e 's/[-?^:&#|@* ;]//g' "$@" -e 'p'
712
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72 }
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73
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74 # Extract global structure definitions and flag definitions from toys/*/*.c
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75
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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76 function getglobals()
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77 {
712
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78 # Run newtoys.h through the compiler's preprocessor to resolve USE macros
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79 # against current config.
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80 NEWTOYS="$(cat generated/config.h generated/newtoys.h | $CC -E - | sed 's/" *"//g')"
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81
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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82 # Grab allyesconfig for comparison
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83 ALLTOYS="$((sed '/USE_.*([^)]*)$/s/$/ __VA_ARGS__/' generated/config.h && cat generated/newtoys.h) | $CC -E - | sed 's/" *"//g')"
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a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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84
674
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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85 for i in toys/*/*.c
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86 do
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87 NAME="$(echo $i | sed 's@.*/\(.*\)\.c@\1@')"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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88
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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89 echo -e "// $i\n"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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90 sed -n -e '/^GLOBALS(/,/^)/b got;b;:got' \
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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91 -e 's/^GLOBALS(/struct '"$NAME"'_data {/' \
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
92 -e 's/^)/};/' -e 'p' $i
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
93
930
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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diff changeset
94 LONGFLAGS="$(echo "$NEWTOYS" | getflags "$NAME" -e 's/\(\(([^)]*)\)*\).*/\1/' -e 's/(//g' -e 's/)/ /g')"
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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diff changeset
95 FLAGS="$(echo "$NEWTOYS" | getflags "$NAME" -e 's/([^)]*)//g')"
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diff changeset
96 ZFLAGS="$(echo "$ALLTOYS" | getflags "$NAME" -e 's/([^)]*)//g' -e 's/[-'"$FLAGS"']//g')"
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diff changeset
97 LONGFLAGLEN="$(echo "$LONGFLAGS" | wc -w)"
712
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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98
674
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
99 echo "#ifdef FOR_${NAME}"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
100 X=0
930
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diff changeset
101 # Provide values for --longopts with no corresponding short flags
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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102 for i in $LONGFLAGS
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diff changeset
103 do
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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104 X=$(($X+1))
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diff changeset
105 echo -e "#define FLAG_$i\t(1<<$(($LONGFLAGLEN+${#FLAGS}-$X)))"
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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106 done
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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diff changeset
107
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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108 # Provide values for active flags
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diff changeset
109 X=0
674
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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110 while [ $X -lt ${#FLAGS} ]
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
111 do
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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112 echo -ne "#define FLAG_${FLAGS:$X:1}\t"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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113 X=$(($X+1))
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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114 echo "(1<<$((${#FLAGS}-$X)))"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
115 done
930
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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diff changeset
116
39ac9e0ad6ad Generate FLAG_longopt macros for --longopts with no corresponding short option.
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diff changeset
117 # Provide zeroes for inactive flags
712
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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118 X=0
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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119 while [ $X -lt ${#ZFLAGS} ]
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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120 do
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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121 echo "#define FLAG_${ZFLAGS:$X:1} 0"
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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122 X=$(($X+1))
a950dd960593 Cleanup i18n support (#ifdefectomy, move global init to process launch). Teach make.sh to emit "#define FLAG_x 0" for options inside disabled USE macros so we can unconditionally refer to them.
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parents: 705
diff changeset
123 done
674
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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124 echo "#define TT this.${NAME}"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
125 echo "#endif"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
126 done
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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parents: 664
diff changeset
127 }
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
128
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
129 echo "generated/globals.h"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
130
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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131 GLOBSTRUCT="$(getglobals)"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
132 (
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
133 echo "$GLOBSTRUCT"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
134 echo
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
135 echo "extern union global_union {"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
136 echo "$GLOBSTRUCT" | sed -n 's/struct \(.*\)_data {/ struct \1_data \1;/p'
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
137 echo "} this;"
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
138 ) > generated/globals.h
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
139
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
140 echo "generated/help.h"
965
0d20619388b3 Juhani Haverinen pointed out that python 3 doesn't work with config2help.py, so you python2 binary until finishing the C rewrite.
Rob Landley <rob@landley.net>
parents: 963
diff changeset
141 # Only recreate generated/help.h if python2 is installed. Does not work with 3.
1050
223df8e9c694 make.sh: Fix probing for python2.x and be verbose in error reporting
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142 PYTHON="$(which python2 || which python2.6 || which python2.7)"
223df8e9c694 make.sh: Fix probing for python2.x and be verbose in error reporting
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parents: 1037
diff changeset
143 if [ ! -z "$(grep 'CONFIG_TOYBOX_HELP=y' $KCONFIG_CONFIG)" ];
674
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
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diff changeset
144 then
1050
223df8e9c694 make.sh: Fix probing for python2.x and be verbose in error reporting
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diff changeset
145 if [ -z "$PYTHON" ];
223df8e9c694 make.sh: Fix probing for python2.x and be verbose in error reporting
Elie De Brauwer <eliedebrauwer@gmail.com>
parents: 1037
diff changeset
146 then
1051
626cc2108480 Allow shipped generated/help.h to still be used, until I rewrite the generator in C.
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diff changeset
147 echo "Python 2.x required to rebuild generated/help.h"
626cc2108480 Allow shipped generated/help.h to still be used, until I rewrite the generator in C.
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diff changeset
148 # exit 1
1050
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diff changeset
149 else
223df8e9c694 make.sh: Fix probing for python2.x and be verbose in error reporting
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diff changeset
150 echo "Extract help text from Config.in."
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Elie De Brauwer <eliedebrauwer@gmail.com>
parents: 1037
diff changeset
151 "$PYTHON" scripts/config2help.py Config.in > generated/help.h || exit 1
223df8e9c694 make.sh: Fix probing for python2.x and be verbose in error reporting
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parents: 1037
diff changeset
152 fi
674
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
Rob Landley <rob@landley.net>
parents: 664
diff changeset
153 fi
7e846e281e38 New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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diff changeset
154
1032
40d0c96a8e89 Add scripts/single.sh to build individual non-multiplexed standalone commands.
Rob Landley <rob@landley.net>
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diff changeset
155 # Extract a list of toys/*/*.c files to compile from the data in $KCONFIG_CONFIG
233
d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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parents:
diff changeset
156
654
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
Rob Landley <rob@landley.net>
parents: 653
diff changeset
157 # 1) Get a list of C files in toys/* and glue them together into a regex we can
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
Rob Landley <rob@landley.net>
parents: 653
diff changeset
158 # feed to grep that will match any one of them (whole word, not substring).
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diff changeset
159 TOYFILES="^$(ls toys/*/*.c | sed -n 's@^.*/\(.*\)\.c$@\1@;s/-/_/g;H;${g;s/\n//;s/\n/$|^/gp}')\$"
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
Rob Landley <rob@landley.net>
parents: 653
diff changeset
160
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
Rob Landley <rob@landley.net>
parents: 653
diff changeset
161 # 2) Grab the XXX part of all CONFIG_XXX entries, removing everything after the
233
d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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parents:
diff changeset
162 # second underline
654
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
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parents: 653
diff changeset
163 # 3) Sort the list, keeping only one of each entry.
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
Rob Landley <rob@landley.net>
parents: 653
diff changeset
164 # 4) Convert to lower case.
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
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diff changeset
165 # 5) Remove any config symbol not recognized as a filename from step 1.
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
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diff changeset
166 # 6) Add "toys/*/" prefix and ".c" suffix.
233
d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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parents:
diff changeset
167
1032
40d0c96a8e89 Add scripts/single.sh to build individual non-multiplexed standalone commands.
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diff changeset
168 TOYFILES=$(sed -nre 's/^CONFIG_(.*)=y/\1/p' < "$KCONFIG_CONFIG" \
654
04feab07416c Teach build to compare toys/*/*.c against .config symbol names instead of stopping at first _ when assembling list of files to build, and convert - to _. This lets us have commands like switch_root or nbd-client.
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diff changeset
169 | sort -u | tr A-Z a-z | grep -E "$TOYFILES" | sed 's@\(.*\)@toys/\*/\1.c@')
233
d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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170
581
1e07220fd3b6 Probe available libraries to link --as-needed, avoiding "unknown libarary" errors.
Rob Landley <rob@landley.net>
parents: 572
diff changeset
171 echo "Library probe..."
1e07220fd3b6 Probe available libraries to link --as-needed, avoiding "unknown libarary" errors.
Rob Landley <rob@landley.net>
parents: 572
diff changeset
172
653
2986aa63a021 Move commands into "posix", "lsb", and "other" menus/directories.
Rob Landley <rob@landley.net>
parents: 595
diff changeset
173 # We trust --as-needed to remove each library if we don't use any symbols
2986aa63a021 Move commands into "posix", "lsb", and "other" menus/directories.
Rob Landley <rob@landley.net>
parents: 595
diff changeset
174 # out of it, this loop is because the compiler has no way to ignore a library
2986aa63a021 Move commands into "posix", "lsb", and "other" menus/directories.
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parents: 595
diff changeset
175 # that doesn't exist, so we have to detect and skip nonexistent libraries
2986aa63a021 Move commands into "posix", "lsb", and "other" menus/directories.
Rob Landley <rob@landley.net>
parents: 595
diff changeset
176 # for it.
2986aa63a021 Move commands into "posix", "lsb", and "other" menus/directories.
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parents: 595
diff changeset
177
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178 OPTLIBS="$(for i in util crypt m; do echo "int main(int argc, char *argv[]) {return 0;}" | ${CROSS_COMPILE}${CC} -xc - -o /dev/null -Wl,--as-needed -l$i > /dev/null 2>/dev/null && echo -l$i; done)"
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179
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180 echo "Compile toybox..."
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181
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182 do_loudly()
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183 {
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184 [ ! -z "$V" ] && echo "$@"
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185 "$@"
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186 }
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187
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188 do_loudly ${CROSS_COMPILE}${CC} $CFLAGS -I . -o toybox_unstripped $OPTIMIZE \
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189 main.c lib/*.c $TOYFILES -Wl,--as-needed $OPTLIBS || exit 1
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190 do_loudly ${CROSS_COMPILE}${STRIP} toybox_unstripped -o toybox || exit 1
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191 # gcc 4.4's strip command is buggy, and doesn't set the executable bit on
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192 # its output the way SUSv4 suggests it do so.
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193 do_loudly chmod +x toybox || exit 1