Embedded C library http://uclibc-ng.org

Eric Andersen f564f819f1 Remove ucontext.h. We do not implement any of these functions. 20 tahun lalu
debian 6e112da93a Kill off all support for 'gcc -pg' / 'gprof' style profiling. There is both a 20 tahun lalu
docs f260d87e73 Fixup URL 20 tahun lalu
extra 9f9ab49223 Puts common defines into dl-defs.h (in ldso/include) from dl-elf.h and 20 tahun lalu
include f564f819f1 Remove ucontext.h. We do not implement any of these functions. 20 tahun lalu
ldso 485632ceac Don't complain if ld.so.cache is missing. 20 tahun lalu
libc d91c24070b implement SuSv3 required ualarm() 20 tahun lalu
libcrypt d8c8b456f4 We need to link with libgcc.a when creating shared libs, in order to 21 tahun lalu
libintl d8c8b456f4 We need to link with libgcc.a when creating shared libs, in order to 21 tahun lalu
libm 5e383688dc Always include the sqrtf wrapper in libm so that we don't need to worry 20 tahun lalu
libnsl d8c8b456f4 We need to link with libgcc.a when creating shared libs, in order to 21 tahun lalu
libpthread 065f1de65d Peter S. Mazinger writes: 20 tahun lalu
libresolv d8c8b456f4 We need to link with libgcc.a when creating shared libs, in order to 21 tahun lalu
libutil ada7878ba0 Based on a patch from Alexandre Oliva, remove all reference to 'bzero' (which 20 tahun lalu
test 9d7a22d351 Fixes from gentoo. 20 tahun lalu
utils 4c3a795a12 Remove empty file 20 tahun lalu
.cvsignore 62348cb744 Minor update... Config no longer used. 21 tahun lalu
COPYING.LIB 64bc641218 Initial revision 24 tahun lalu
Changelog eecd5c649c Update for release 21 tahun lalu
Changelog.full eecd5c649c Update for release 21 tahun lalu
Changelog.full.last ba64d84bc7 Update for release 21 tahun lalu
DEDICATION.mjn3 38583d5986 Today's Toni's birthday. Seems an appropriate day to add this. 21 tahun lalu
INSTALL 1528771f28 Update docs in preparation for release 21 tahun lalu
Makefile 6e112da93a Kill off all support for 'gcc -pg' / 'gprof' style profiling. There is both a 20 tahun lalu
README 1528771f28 Update docs in preparation for release 21 tahun lalu
Rules.mak 3b8039fd51 This patch from Mike Frysinger, extended from an earlier patch from Peter S. 20 tahun lalu
TODO 032fe64984 Restore item I erronenously removed, mention mips string funcs 20 tahun lalu

README


uClibc - a Small C Library for Linux
Erik Andersen

uClibc (aka Clibc/pronounced yew-see-lib-see) is a C library for
developing embedded Linux systems. It is much smaller than the
GNU C Library, but nearly all applications supported by glibc
also work perfectly with uClibc. Porting applications from glibc
to uClibc typically involves just recompiling the source code.
uClibc even supports shared libraries and threading. It currently
runs on standard Linux and MMU-less (also known as Clinux)
systems with support for alpha, ARM, cris, e1, h8300, i386, i960,
m68k, microblaze, mips/mipsel, PowerPC, SH, SPARC, and v850
processors.

If you are building an embedded Linux system and you find that
glibc is eating up too much space, you should consider using
uClibc. If you are building a huge fileserver with 12 Terabytes
of storage, then using glibc may make more sense. Unless, for
example, that 12 Terabytes will be Network Attached Storage and
you plan to burn Linux into the system's firmware...

uClibc is maintained by Erik Andersen and is licensed under the
GNU LIBRARY GENERAL PUBLIC LICENSE . This license allows you to
make closed source commercial applications using an unmodified
version of uClibc (Please consider sharing some of the money you
make ;-). You do not need to give away all your source code just
because you use uClibc and/or run on Linux. You should, however,
carefuly review the license and make certain you understand and
abide by it strictly.


For installation instructions, see the file INSTALL.

uClibc strives to be standards compliant, which means that most
documentation written for SuSv3, or for glibc also applies to
uClibc functions. However, many GNU extensions are not supported
because they have not been ported, or more importantly, would
increase the size of uClibc disproportional to the added
functionality. There is some discussion of these differences
in the "docs" directory.

Additional information (recent releases, FAQ, mailing list, bugs,
etc.) can be found at http://www.uclibc.org/.

uClibc may be freely modified and distributed under the terms of
the GNU Library General Public License, which can be found in the
file COPYING.LIB.

Please Note:

There is an unwholesomely huge amount of code out there
that depends on the presence of GNU libc header files.
We have GNU libc compatible header files. So we have
committed a horrible sin in uClibc. We _lie_ and claim
to be GNU libc in order to force these applications to
work as their developers intended. This is IMHO,
pardonable, since these defines are not really intended
to check for the presence of a particular library, but
rather are used to define an _interface_. Some programs
are especially chummy with glibc, and may need this
behavior disabled by adding CFLAGS+=-D__FORCE_NOGLIBC

If you want to make special exceptions in your code which are
specifically for uClibc, you can make certain to include features.h,
and then have your code check for uClibc as follows:

#ifdef __UCLIBC__
do_something_special();
#endif

And most of all, but sure to have some fun!
-Erik