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shells: do not frocibly enable test, echo and kill _applets_,

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just build relevant source and use xxx_main functions.
build system: add a special case when we have exactly one applet enabled
(makes "true", "false", "basename" REALLY tiny).
getopt32: do not use stdio.

function                                             old     new   delta
getopt32                                            1385    1412     +27
make_device                                         1187    1200     +13
basename_main                                        120     127      +7
tcpudpsvd_main                                      1922    1926      +4
testcmd                                                5       -      -5
echocmd                                                5       -      -5
fuser_main                                          1243    1231     -12
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 4/1 up/down: 51/-22)             Total: 29 bytes
This commit is contained in:
Denis Vlasenko
2008-04-01 14:47:57 +00:00
parent 165f5b394f
commit 468aea2d88
14 changed files with 84 additions and 91 deletions
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4
init/Config.in
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@@ -98,13 +98,13 @@ config FEATURE_INITRD
config HALT
bool "poweroff, halt, and reboot"
default y
default n
help
Stop all processes and either halt, reboot, or power off the system.
config MESG
bool "mesg"
default y
default n
help
Mesg controls access to your terminal by others. It is typically
used to allow or disallow other users to write to your terminal