uclibc-ng

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It seems we need to also define SI_LOAD_SHIFT since that was
also exported by the Linux kernel.h header that we do not include.

Those crazy binutils folks changed their abi. Add this so older
apps can cope gracefully.

Doh! In include/bits/uClibc_config.h when we define things, we appropriately
prepend "__". Unfortunately, when we #undef things, we do not prepend the
"__". This results in collateral damage to unsuspecting applications as we
undefine random unrelated macros. Oops.

For example, when compiling xfree86, libGLcore.a defines MALLOC for its own usage.
But include/bits/uClibc_config.h then does an
#undef MALLOC
#define __MALLOC_930716__ 1
which inadvertantly trashes the define from libGLcore.... Ouch.

The autogenerated include/bits/uClibc_config.h should instead have
contained:
#undef __MALLOC__
#define __MALLOC_930716__ 1

This patch makes that happen.

Fix a stupid bug that caused uClibc to never provide the correct
fpu_control.h header file, since the correct arch specific one was
always later overwritten by the generic one. oops.
-Erik

Patch from Peter S. Mazinger:

patch to allow building uClibc with busybox's chmod

Merge some newer/updated bits from the glibc elf.h

We were failing to properly set h_errno on success, which could
cause gethostbyaddr_r to keep looping allocating more and more
memory each time till alloca finally caused a segfault. Ugh.
This fixes that as well...
-Erik

more install changes

Do not install the uClibc wrapper toolchain by default. Make
people ask for it explicitly.

the runtime should not install a /bin dir

Add a new RUNTIME_PREFIX

Peter Kjellerstedt writes:

ln.patch:
* Define $(LN) as ln in Rules.mak.
* Change all occurrences of ln into $(LN).
* Change all constructs like (cd path && ln -sf foo/file file)
into $(LN) -sf foo/file path/file. The latter construct is
already used in a number of places so it should not be
an additional compatibility problem.

Peter Kjellerstedt writes:

rm.patch:
* Define $(RM) as rm -f in Rules.mak and test/Rules.mak
(this is the same definition as gmake uses by default).
* Change all occurrences of rm and rm -f into $(RM).

Peter Kjellerstedt writes:

install.patch:
* Define $(INSTALL) as install in Rules.mak.
* Change all occurrences of install into $(INSTALL).
* Change all occurrences of mkdir -p into $(INSTALL) -d.
install -d is already used in a number of places so
this should not be an additional compatibility problem.

Implement putgrent to make Peter S. Mazing happy

Doh!!!

Point people to the kernel.org mirrors for downloading the dev
systems to take some load off my server

Do not set errno when they asked for size 0

Code formatting cleanup.

Don't set errno if for zero SIZE returns.
Code formatting cleanup.

More detail on the use of MALLOC_DEBUG

Updated cris configuration; added support for %m.

Brett Nash writes:

Hello,
Attached is a patch of some changes I made to the gcc wrapper to
get it to compile XFree CVS.

Basically it supports the use of '-' on the command line to read stdin
for gcc, as well as setting the file type back to none before adding the
last too .o files if the file type was set on the command line.

It is applied against uClibc-0.9.20

Regards,
nash

Patch from Tony J. White:

I've created a patch for adding dn_expand() to uClibc 0.9.21.

dn_expand() is used by at least ipsec-tools and also openldap I think.

Doh! I was returning with an incorrect pointer type when dlopening
already loaded libs, which unsurprisingly would cause dlsym() to
not work at all...
-Erik

Microblaze port from the uClinux-dist,
contributed by John Williams <jwilliams@itee.uq.edu.au>

Enable full debug support for ld-uClibc and libdl

sigh. the warn funcs seem to be broken. Use local versions
till I can straighten that out.

Patch from Peter Kjellerstedt:

The attached patch performs a clean up of
extra/gcc-uClibc/Makefile:

* Better dependencies to only rebuild what is necessary.
* Use $< and $@ where appropriate.
* Suppress warning messages from which about
commands that cannot be found.

//Peter

Fix an ldd bug, more ldconfig cleanup