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BusyBox

BusyBox


This is about using busybox alone , not under buildroot or uClinux-dist.

You can download the latest snapshot or stable release from busybox.net.

Busybox, .config for cross compile

#

# Build Options

#

CONFIG_STATIC=y

# CONFIG_BUILD_LIBBUSYBOX is not set

# CONFIG_FEATURE_FULL_LIBBUSYBOX is not set

# CONFIG_FEATURE_SHARED_BUSYBOX is not set

CONFIG_LFS=y

USING_CROSS_COMPILER=y

CROSS_COMPILER_PREFIX="nios2-linux-uclibc-"

EXTRA_CFLAGS_OPTIONS="-Dfork=vfork -Ddaemon=clone"

# CONFIG_BUILD_AT_ONCE is not set


#

# Installation Options

#

# CONFIG_INSTALL_NO_USR is not set

CONFIG_INSTALL_APPLET_SYMLINKS=y

# CONFIG_INSTALL_APPLET_HARDLINKS is not set

# CONFIG_INSTALL_APPLET_DONT is not set

PREFIX="/home/hippo/rootfs"


I used this flags before, (but not now)

EXTRA_CFLAGS_OPTIONS="-D__uClinux__ -Dfork=vfork"

Busybox, Makefile add elf2flt flag



busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)

$(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE)

-Wl,-elf2flt="-s 16000" -Wl,-v -Wl,-d 

-o $@ -Wl,--start-group  

$(APPLETS_DEFINE) $(APPLET_SRC) 

$(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) 

$(LDBUSYBOX) $(LIBRARIES) 

-Wl,--end-group



busybox: busybox_unstripped

$(Q)cp busybox_unstripped busybox

# $(do_strip)



There is an important issue about busybox. It takes more memory on MMU-less arch.

So I moved away from busybox a little. I use stand alone init, sash, and servers from uClinux-dist. I built others utils into busybox. See UClinuxDist

Tout le monde a les moyens et doit de se procurer un coffre-fort et il faut prendre un coffre-fort de type coffre fort ignifuge homologué S120P ou une armoire forte ignifuge agréée 2 heures feu


Version history
Revision #:
1 of 1
Last update:
‎06-24-2019 07:17 PM
Updated by:
 
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