10c01a711
Denys Vlasenko
2016-12-23
Subject
make_single_applets.sh: a tool to check single-applet builds
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make_single_applets.sh+57 -0
| @@ -0,0 +1,57 @@ | |
| + | #!/bin/sh |
| + | # This script expects that the tree was built with the desired .config: |
| + | # in particular, it expects that include/applets.h is generated already. |
| + | # |
| + | # The script will try to rebuild each enabled applet in isolation. |
| + | # All other options which chose general bbox config, applet features, etc, |
| + | # are not modified for the builds. |
| + | |
| + | makeopts="-j9" |
| + | |
| + | # The list of all applet config symbols |
| + | test -f include/applets.h || { echo "No include/applets.h file"; exit 1; } |
| + | apps="` |
| + | grep ^IF_ include/applets.h \ |
| + | | grep -v ^IF_FEATURE_ \ |
| + | | sed 's/IF_\([A-Z0-9._-]*\)(.*/\1/' \ |
| + | | grep -v ^MODPROBE_SMALL \ |
| + | | sort | uniq |
| + | `" |
| + | |
| + | # Take existing config |
| + | test -f .config || { echo "No .config file"; exit 1; } |
| + | cfg="`cat .config`" |
| + | |
| + | # Make a config with all applet symbols off |
| + | allno="$cfg" |
| + | for app in $apps; do |
| + | allno="`echo "$allno" | sed "s/^CONFIG_${app}=y\$/# CONFIG_${app} is not set/"`" |
| + | done |
| + | |
| + | # Turn on each applet individually and build single-applet executable |
| + | fail=0 |
| + | for app in $apps; do |
| + | # Only if it was indeed originally enabled... |
| + | { echo "$cfg" | grep -q "^CONFIG_${app}=y\$"; } || continue |
| + | |
| + | echo "Making ${app}..." |
| + | mv .config .config.SV |
| + | echo "CONFIG_${app}=y" >.config |
| + | echo "$allno" | sed "/^# CONFIG_${app} is not set\$/d" >>.config |
| + | if ! yes '' | make oldconfig >busybox_make_${app}.log 2>&1; then |
| + | : $((fail++)) |
| + | echo "Config error for ${app}" |
| + | mv .config busybox_config_${app} |
| + | elif ! make $makeopts >busybox_make_${app}.log 2>&1; then |
| + | : $((fail++)) |
| + | echo "Build error for ${app}" |
| + | mv .config busybox_config_${app} |
| + | else |
| + | mv busybox busybox_${app} |
| + | rm busybox_make_${app}.log |
| + | fi |
| + | mv .config.SV .config |
| + | #exit |
| + | done |
| + | echo "Failures: $fail" |
| + | test $fail = 0 # set exitcode |