I'm building s6 on tinycore for i686 and it fails with the following message:
$ ./configure --disable-static --disable-allstatic --enable-shared --enable-slashpackage $ make exec gcc -o s6-rc-oneshot-run -pipe -Wall -std=c99 -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -ffunction-sections -fdata- /usr/local/bin/ld: warning: libs6.so.2.13, needed by libs6rc.so.xyzzy, not found (try using -rpath or -rpath-link) /usr/local/bin/ld: libs6rc.so.xyzzy: undefined reference to `s6_supervise_link' /usr/local/bin/ld: libs6rc.so.xyzzy: undefined reference to `s6_svc_writectl' /usr/local/bin/ld: libs6rc.so.xyzzy: undefined reference to `s6_supervise_unlink' /usr/local/bin/ld: libs6rc.so.xyzzy: undefined reference to `s6_svstatus_read' collect2: error: ld returned 1 exit status make: *** [Makefile:137: s6-rc-oneshot-run] Error 1 I find that odd because libc6rc.so.2.13 does contain those symbols: $ objdump -t /package/admin/s6/library.so/libs6.so.2.13 | grep -w -e s6_supervise_link -e s6_svc_writectl -e s6_supervise_unlink -e s6_svstatus_re ad | grep -vE '\.c$' 00007f90 g F .text 000001b9 s6_supervise_link 000067e0 g F .text 00000223 s6_svc_writectl 00008cc0 g F .text 0000033d s6_supervise_unlink 00006a90 g F .text 00000122 s6_svstatus_rea I could build it by adding manually to config.mak -ls6 to LDFLAGS_NOSHARED.