2 # This script expects that the tree was built with the desired .config:
3 # in particular, it expects that include/applets.h is generated already.
5 # The script will try to rebuild each enabled applet in isolation.
6 # All other options which chose general bbox config, applet features, etc,
7 # are not modified for the builds.
11 # The list of all applet config symbols
12 test -f include/applets.h || { echo "No include/applets.h file"; exit 1; }
14 grep ^IF_ include/applets.h \
15 | grep -v ^IF_FEATURE_ \
16 | sed 's/IF_\([A-Z0-9._-]*\)(.*/\1/' \
20 # Take existing config
21 test -f .config || { echo "No .config file"; exit 1; }
24 # Make a config with all applet symbols off
27 allno="`echo "$allno" | sed "s/^CONFIG_${app}=y\$/# CONFIG_${app} is not set/"`"
29 #echo "$allno" >.config_allno
31 trap 'test -f .config.SV && mv .config.SV .config && touch .config' EXIT
33 # Turn on each applet individually and build single-applet executable
36 # Only if it was indeed originally enabled...
37 { echo "$cfg" | grep -q "^CONFIG_${app}=y\$"; } || continue
39 echo "Making ${app}..."
41 echo "CONFIG_${app}=y" >.config
42 echo "$allno" | sed "/^# CONFIG_${app} is not set\$/d" >>.config
44 if test x"${app}" != x"SH_IS_ASH" && test x"${app}" != x"SH_IS_HUSH"; then
45 # $allno has all choices for "sh" aliasing set to off.
46 # "sh" aliasing defaults to "ash", not none.
47 # without this fix, "make oldconfig" sets it wrong,
48 # resulting in NUM_APPLETS = 2 (the second applet is "sh")
49 sed '/CONFIG_SH_IS_NONE/d' -i .config
50 echo "CONFIG_SH_IS_NONE=y" >>.config
53 if ! yes '' | make oldconfig >busybox_make_${app}.log 2>&1; then
55 echo "Config error for ${app}"
56 mv .config busybox_config_${app}
57 elif ! make $makeopts >>busybox_make_${app}.log 2>&1; then
59 grep -i -e error: -e warning: busybox_make_${app}.log
60 echo "Build error for ${app}"
61 mv .config busybox_config_${app}
62 elif ! grep -q '^#define NUM_APPLETS 1$' include/NUM_APPLETS.h; then
63 grep -i -e error: -e warning: busybox_make_${app}.log
64 mv busybox busybox_${app}
66 echo "NUM_APPLETS != 1 for ${app}: `cat include/NUM_APPLETS.h`"
67 mv .config busybox_config_${app}
69 grep -i -e error: -e warning: busybox_make_${app}.log \
70 || rm busybox_make_${app}.log
71 mv busybox busybox_${app}
72 #mv .config busybox_config_${app}
77 touch .config # or else next "make" can be confused
78 echo "Failures: $fail"
79 test $fail = 0 # set exitcode