busybox/make_single_applets.sh
Denys Vlasenko 10c01a711f make_single_applets.sh: a tool to check single-applet builds
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-12-23 13:39:22 +01:00

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#!/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