buildsys: use SED for create-lds

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
buildsys: refine compile.S

filter out all -std=

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
buildsys: tweak check_ld flag probing

ld was (erroneously) complaining that it failed to merge private bfd
data. Silence this mismatch as seen on m68k with obfd binary.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
test: disable librt shmtest on non-MMU systems

This test fails for non-MMU systems, because it uses fork()
Thanks to Waldemar Brodkorb!

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
test: wcsftime depends on XLOCALE

Thanks to Waldemar Brodkorb for noticing.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
ldso: Fix compile-error on noMMU

Thanks to Waldemar Brodkorb for noticing!

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
sparc: remove sparc64/sparcv9 code

The sparc64/sparcv9 code is incomplete. Furthermore there is
no real embedded hardware for sparc64 available, so better remove
it until someone comes up with a complete port.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
libc: split multi-source epoll.c

We cannot override individual functions on a per-arch basis otherwise

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>