98 lines
3.3 KiB
Bash
Executable File
98 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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# This script expects that the tree was built with the desired .config:
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# in particular, it expects that include/applets.h is generated already.
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#
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# The script will try to rebuild each enabled applet in isolation.
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# All other options which chose general bbox config, applet features, etc,
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# are not modified for the builds.
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makeopts="-j9"
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# The list of all applet config symbols
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test -f include/applets.h || { echo "No include/applets.h file"; exit 1; }
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apps="`
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grep ^IF_ include/applets.h \
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| grep -v '^IF_FEATURE_' \
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| sed 's/IF_\([A-Z0-9._-]*\)(.*/\1/' \
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| grep -v '^BUSYBOX$' \
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| sort | uniq
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`"
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# Take existing config
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test -f .config || { echo "No .config file"; exit 1; }
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cfg="`cat .config`"
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# Make a config with all applet symbols off
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allno="$cfg"
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for app in $apps; do
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allno="`echo "$allno" | sed "s/^CONFIG_${app}=y\$/# CONFIG_${app} is not set/"`"
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done
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# remove "busybox" as well
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allno="`echo "$allno" | sed "s/^CONFIG_BUSYBOX=y\$/# CONFIG_BUSYBOX is not set/"`"
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# disable any CONFIG_script_DEPENDENCIES as well
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allno="`echo "$allno" | sed "s/^\(CONFIG_.*_DEPENDENCIES\)=y\$/# \1 is not set/"`"
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#echo "$allno" >.config_allno
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trap 'test -f .config.SV && mv .config.SV .config && touch .config' EXIT
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# Turn on each applet individually and build single-applet executable
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# (give config names on command line to build only those)
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test $# = 0 && set -- $apps
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fail=0
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for app; do
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# Only if it was indeed originally enabled...
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{ echo "$cfg" | grep -q "^CONFIG_${app}=y\$"; } || continue
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echo "Making ${app}..."
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mv .config .config.SV
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echo "CONFIG_${app}=y" >.config
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echo "$allno" | sed "/^# CONFIG_${app} is not set\$/d" >>.config
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if test x"${app}" != x"SH_IS_ASH" && test x"${app}" != x"SH_IS_HUSH"; then
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# $allno has all choices for "sh" aliasing set to off.
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# "sh" aliasing defaults to "ash", not none.
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# without this fix, "make oldconfig" sets it wrong,
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# resulting in NUM_APPLETS = 2 (the second applet is "sh")
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sed '/CONFIG_SH_IS_NONE/d' -i .config
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echo "CONFIG_SH_IS_NONE=y" >>.config
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fi
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if ! yes '' | make oldconfig >busybox_make_${app}.log 2>&1; then
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fail=$((fail+1))
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echo "Config error for ${app}"
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mv .config busybox_config_${app}
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elif ! make $makeopts >>busybox_make_${app}.log 2>&1; then
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fail=$((fail+1))
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grep -i -e error: -e warning: busybox_make_${app}.log
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echo "Build error for ${app}"
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mv .config busybox_config_${app}
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elif ! grep -q '^#define NUM_APPLETS 1$' include/NUM_APPLETS.h; then
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grep -i -e error: -e warning: busybox_make_${app}.log
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mv busybox busybox_${app}
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fail=$((fail+1))
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echo "NUM_APPLETS != 1 for ${app}: `cat include/NUM_APPLETS.h`"
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mv .config busybox_config_${app}
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else
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if grep -q 'use larger COMMON_BUFSIZE' busybox_make_${app}.log; then
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# FEATURE_USE_BSS_TAIL=y is selected, and build system
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# recommends rebuilding. Do so, and print some
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# debug info to see whether it works right:
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tail -n1 busybox_make_${app}.log
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nm busybox_unstripped | grep ' _end'
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make >/dev/null 2>&1
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nm busybox_unstripped | grep ' _end'
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grep ^bb_common_bufsiz1 busybox_unstripped.map
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fi
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grep -i -e error: -e warning: busybox_make_${app}.log \
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|| rm busybox_make_${app}.log
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mv busybox busybox_${app}
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#mv .config busybox_config_${app}
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fi
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mv .config.SV .config
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#exit
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done
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touch .config # or else next "make" can be confused
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echo "Failures: $fail"
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test $fail = 0 # set exitcode
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