I'm trying to cross compile busy box V 1.27.2 for my embedded Linux device. I set share library build and cross compiler prefix and Sysroot to my compiler destinations. Compiler after trying to compile most library files is unable to link them.I received this:
Trying libraries: crypt m
Failed: -Wl,--start-group -lcrypt -lm -Wl,--end-group
Output of:
/home/bluebird/brcm-armtools-64bit/tools/le_arm11_external_20090306/bin/arm-brcm-linux-gnueabi-gcc -Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Wunused -Wunused-parameter -Wunused-function -Wunused-value -Wmissing-prototypes -Wmissing-declarations -Wno-format-security -Wdeclaration-after-statement -Wold-style-definition -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections -fno-guess-branch-probability -funsigned-char -static-libgcc -falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-builtin-printf -Os -fpic -fvisibility=hidden --sysroot=/home/bluebird/brcm-armtools-64bit/tools/le_arm11_external_20090306/sysroot -o busybox_unstripped -Wl,--sort-common -Wl,--sort-section,alignment -Wl,--gc-sections -Wl,--start-group applets/built-in.o archival/lib.a archival/libarchive/lib.a console-tools/lib.a coreutils/lib.a coreutils/libcoreutils/lib.a debianutils/lib.a e2fsprogs/lib.a editors/lib.a findutils/lib.a init/lib.a libbb/lib.a libpwdgrp/lib.a loginutils/lib.a mailutils/lib.a miscutils/lib.a modutils/lib.a networking/lib.a networking/libiproute/lib.a networking/udhcp/lib.a printutils/lib.a procps/lib.a runit/lib.a selinux/lib.a shell/lib.a sysklogd/lib.a util-linux/lib.a util-linux/volume_id/lib.a archival/built-in.o archival/libarchive/built-in.o console-tools/built-in.o coreutils/built-in.o coreutils/libcoreutils/built-in.o debianutils/built-in.o e2fsprogs/built-in.o editors/built-in.o findutils/built-in.o init/built-in.o libbb/built-in.o libpwdgrp/built-in.o loginutils/built-in.o mailutils/built-in.o miscutils/built-in.o modutils/built-in.o networking/built-in.o networking/libiproute/built-in.o networking/udhcp/built-in.o printutils/built-in.o procps/built-in.o runit/built-in.o selinux/built-in.o shell/built-in.o sysklogd/built-in.o util-linux/built-in.o util-linux/volume_id/built-in.o -Wl,--end-group -Wl,--start-group -lcrypt -lm -Wl,--end-group
==========
coreutils/lib.a(mktemp.o): In function `mktemp_main':
mktemp.c:(.text.mktemp_main+0xbc): warning: the use of `mktemp' is dangerous, better use `mkstemp'
coreutils/lib.a(touch.o): In function `touch_main':
touch.c:(.text.touch_main+0x1f4): warning: warning: lutimes is not implemented and will always fail
util-linux/lib.a(nsenter.o): In function `nsenter_main':
nsenter.c:(.text.nsenter_main+0x1b4): undefined reference to `setns'
coreutils/lib.a(sync.o): In function `sync_main':
sync.c:(.text.sync_main+0x9c): undefined reference to `syncfs'
collect2: ld returned 1 exit status
Note: if build needs additional libraries, put them in CONFIG_EXTRA_LDLIBS.
Example: CONFIG_EXTRA_LDLIBS="pthread dl tirpc audit pam"
make: *** [busybox_unstripped] Error 1
Also I have libm.so in my sysroot dir.
EDIT: I also try buildroot,but it needs some information about processor(e.g. endian, detailed version,etc.) which I am not aware,this is a black box device and I only develope app on it, total information I have is it run on the BCM5892 ,an ARM11 secure processor from broadcom.it runs on kenel V 2.6 and arm-brcm-linux-gnueabi V4.4.2 compiler, I also correctly set sysroot and cross compiler prefix,but how could I know which version of libc I'm using ?
setnsandsyncfs. - n. 1.8e9-where's-my-share m.