uclibc-ng

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Oops, remove extra sigaddset() call. Don't know how that one got there.

Hi Erik and Manuel

Long time no see :)

It appears uClibc pthreads native debugging is broken w.r.t thread exit handling in
uClibc(at least on PPC). When debugging ex7, gdb(6.2.1) bails out as
soon as a thread exits. I found a comment in gdb that TD_DEATH handling was broken for
glibc 2.3.1, so I figured that maybe it was broken in uClibc also.

I added a #if 0 #endif in pthread_exit( see patch below) and then
gdb behaved again.

While looking into this I found a few differences( included in the patch)
between glibc and uClibc. Don't know if these makes a difference, but I leave that to
you to decide.

Jocke

Use HOSTCC for seting up the syscall list

merge parallel build support

merge parallel build support

make sure libdl static and shared targets are built properly

Use $(LN) rather than ln.

When there is no umount syscall, but umount2 is available, then
try to emulate umount() using umount2()

ignore our headers hack

clean up dependencies so libraries are only rebuilt when needed and so that parallel build works correctly

add a tiny hack so that the headers target isnt rebuilt all the time, only when it should be

beautify

touchup the dependencies so that the sysdeps object files will override the toplevel linuxthreads generic object files

Avoid compiler warnings.

Use Makefile if statements rather than their shell counterparts.

Make it compile for architectures which have __UCLIBC_HAS_LFS__ defined,
but neither __NR_fadvise64 nor __NR_fadvise64_64.

ok, worry over race condition doesnt exist because we only have 1 subdir running $(AR), and the toplevel $(AR) isnt invoked until subdirs have finished

fix target dependencies to support parallel building

tweak dependencies so the archive is only rebuilt when the object files are updated

use $(RANLIB)

redo targets so the archives are only re-built when needed. also change the logic to use Makefile if statements rather than shell.

rework dependencies so the archive is re-created only when the object files have been updated

rework dependencies to support parallel build and avoid re-creating header files all the time

rework the dependencies so libpthread_db.a is only rebuilt when the object files get updated

white space clean up

tweak target dependencies to support parallel builds

- define RANLIB since a subdir or two uses it
- add support for DESTDIR to work the same as PREFIX

make sure we include pthread.h to define pthread_attr_t

whitespace touchups

add posix_fadvise / posix_fadvise64 support