Created attachment 2017 [details] busybox config file gcc 4.4.x uClibc 0.9.31 busybox 1.16.2 usleep support activated --- end of build log --- LINK busybox_unstripped Trying libraries: crypt m Failed: -Wl,--start-group -lcrypt -lm -Wl,--end-group Output of: /home/savant/devel/irz/buildroot/output/staging/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc -Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Wunused -Wunused-parameter -Wunused-function -Wunused-value -Wmissing-prototypes -Wmissing-declarations -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 -Os -Os -pipe -Os -mtune=arm920t -march=armv4t -mabi=aapcs-linux -msoft-float -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/home/savant/devel/irz/buildroot/output/staging/usr/include -I/home/savant/devel/irz/buildroot/output/staging/include --sysroot=/home/savant/devel/irz/buildroot/output/staging/ -isysroot /home/savant/devel/irz/buildroot/output/staging -I/home/savant/devel/irz/buildroot/output/toolchain/linux/include -L/home/savant/devel/irz/buildroot/output/staging/lib -L/home/savant/devel/irz/buildroot/output/staging/usr/lib --sysroot=/home/savant/devel/irz/buildroot/output/staging/ -o busybox_unstripped -Wl,--sort-common -Wl,--sort-section,alignment -Wl,--gc-sections -Wl,--start-group applets/built-in.o archival/lib.a archival/libunarchive/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/libunarchive/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 ========== libbb/lib.a(inet_common.o): In function `INET_rresolve': inet_common.c:(.text.INET_rresolve+0xd8): warning: gethostbyaddr is obsolescent, use getaddrinfo() instead. libbb/lib.a(inet_common.o): In function `INET_resolve': inet_common.c:(.text.INET_resolve+0x60): warning: gethostbyname is obsolescent, use getnameinfo() instead. miscutils/lib.a(chat.o): In function `chat_main': chat.c:(.text.chat_main+0x3f4): undefined reference to `usleep' miscutils/lib.a(watchdog.o): In function `watchdog_main': watchdog.c:(.text.watchdog_main+0xf8): undefined reference to `usleep' modutils/lib.a(modprobe-small.o): In function `find_alias': modprobe-small.c:(.text.find_alias+0xe8): undefined reference to `usleep' networking/lib.a(ifupdown.o): In function `dhcp_down': ifupdown.c:(.text.dhcp_down+0x24): undefined reference to `usleep' networking/lib.a(traceroute.o): In function `common_traceroute_main': traceroute.c:(.text.common_traceroute_main+0x5fc): undefined reference to `usleep' procps/lib.a(top.o):top.c:(.text.top_main+0x16c): more undefined references to `usleep' follow collect2: ld returned 1 exit status make[1]: *** [busybox_unstripped] Error 1 make[1]: Leaving directory `/home/savant/devel/irz/buildroot/output/build/busybox-1.16.2' make: *** [/home/savant/devel/irz/buildroot/output/build/busybox-1.16.2/busybox] Error 2
It works here. Are you by any chance using the uClibc-0.9.30.config? Please attach your buildroot .config
Created attachment 2023 [details] buildroot .config Yes, i use uClibc-0.9.30.config file. I check again with correct config.
problem disappeared after removing output directory and setting correct config file for uClibc