blob: 00f502eda4e27edd9641d2f1e2849811f5179794
1 | #!/bin/sh |
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. |
4 | # |
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. |
8 | |
9 | makeopts="-j9" |
10 | |
11 | # The list of all applet config symbols |
12 | test -f include/applets.h || { echo "No include/applets.h file"; exit 1; } |
13 | apps="` |
14 | grep ^IF_ include/applets.h \ |
15 | | grep -v ^IF_FEATURE_ \ |
16 | | sed 's/IF_\([A-Z0-9._-]*\)(.*/\1/' \ |
17 | | sort | uniq |
18 | `" |
19 | |
20 | # Take existing config |
21 | test -f .config || { echo "No .config file"; exit 1; } |
22 | cfg="`cat .config`" |
23 | |
24 | # Make a config with all applet symbols off |
25 | allno="$cfg" |
26 | for app in $apps; do |
27 | allno="`echo "$allno" | sed "s/^CONFIG_${app}=y\$/# CONFIG_${app} is not set/"`" |
28 | done |
29 | #echo "$allno" >.config_allno |
30 | |
31 | # Turn on each applet individually and build single-applet executable |
32 | fail=0 |
33 | for app in $apps; do |
34 | # Only if it was indeed originally enabled... |
35 | { echo "$cfg" | grep -q "^CONFIG_${app}=y\$"; } || continue |
36 | |
37 | echo "Making ${app}..." |
38 | mv .config .config.SV |
39 | echo "CONFIG_${app}=y" >.config |
40 | echo "$allno" | sed "/^# CONFIG_${app} is not set\$/d" >>.config |
41 | |
42 | if test x"${app}" != x"SH_IS_ASH" && test x"${app}" != x"SH_IS_HUSH"; then |
43 | # $allno has all choices for "sh" aliasing set to off. |
44 | # "sh" aliasing defaults to "ash", not none. |
45 | # without this fix, "make oldconfig" sets it wrong, |
46 | # resulting in NUM_APPLETS = 2 (the second applet is "sh") |
47 | sed '/CONFIG_SH_IS_NONE/d' -i .config |
48 | echo "CONFIG_SH_IS_NONE=y" >>.config |
49 | fi |
50 | |
51 | if ! yes '' | make oldconfig >busybox_make_${app}.log 2>&1; then |
52 | : $((fail++)) |
53 | echo "Config error for ${app}" |
54 | mv .config busybox_config_${app} |
55 | elif ! make $makeopts >>busybox_make_${app}.log 2>&1; then |
56 | : $((fail++)) |
57 | echo "Build error for ${app}" |
58 | mv .config busybox_config_${app} |
59 | elif ! grep -q '^#define NUM_APPLETS 1$' include/NUM_APPLETS.h; then |
60 | mv busybox busybox_${app} |
61 | : $((fail++)) |
62 | echo "NUM_APPLETS != 1 for ${app}: `cat include/NUM_APPLETS.h`" |
63 | mv .config busybox_config_${app} |
64 | else |
65 | mv busybox busybox_${app} |
66 | rm busybox_make_${app}.log |
67 | fi |
68 | mv .config.SV .config |
69 | #exit |
70 | done |
71 | touch .config # or else next "make" can be confused |
72 | echo "Failures: $fail" |
73 | test $fail = 0 # set exitcode |
74 |