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

Eric Andersen c1bb4ddffb Fix a few things I'd missed when using old (2.0.x) kernels. 23 years ago
debian 5a65349824 Update my email address. I am no longer andersen@lineo.com 23 years ago
docs 78f5648547 More Updates. 23 years ago
extra 06d634eab6 Support arch specific optimizations (examples shown for x86 and ARM). 23 years ago
include 5a65349824 Update my email address. I am no longer andersen@lineo.com 23 years ago
ldso 4643b181bd Change all 'cd <foo>; bar' constructs to 'cd <foo> && bar' for 23 years ago
libc c1bb4ddffb Fix a few things I'd missed when using old (2.0.x) kernels. 23 years ago
libcrypt 4643b181bd Change all 'cd <foo>; bar' constructs to 'cd <foo> && bar' for 23 years ago
libm 4643b181bd Change all 'cd <foo>; bar' constructs to 'cd <foo> && bar' for 23 years ago
libpthread 18c06fe19e Silly spelling error 23 years ago
libresolv 4643b181bd Change all 'cd <foo>; bar' constructs to 'cd <foo> && bar' for 23 years ago
libutil 4643b181bd Change all 'cd <foo>; bar' constructs to 'cd <foo> && bar' for 23 years ago
test fad14d6b61 New and improved! 23 years ago
.cvsignore 1ffc1d5793 Added build-stamp for Debian 23 years ago
COPYING.LIB 64bc641218 Initial revision 24 years ago
Makefile 01d1ae3769 Change 'cd <foo> ; bar' to 'cd <foo> && bar' for proper error checking 23 years ago
README ee185898f6 Adjust naming for __FORCE_GLIBC__ to __FORCE_GLIBC and add 23 years ago
Rules.mak 06d634eab6 Support arch specific optimizations (examples shown for x86 and ARM). 23 years ago
TODO 483cbc9e21 Update TODO list a bit 23 years ago

README


* Configuration:

cp ./extra/Configs/Config. ./Config

Then edit ./Config for your setup. In particular, modify CROSS and
KERNEL_SOURCE as necessary. You may also want to modify
SHARED_LIB_LOADER_PATH, DEVEL_PREFIX, and SYSTEM_DEVEL_PREFIX depending
on where you want to install the development environment. By default,
the development environment is installed into /usr/-linux-uclibc/.


* Building:

make


* Installing the development environment:

(As root, if necessary,)

make install

This will install the header files, libraries, and the gcc
wrapper into the directories defined in Config.


* Installing the target runtime environment:

(As root, if necessary,)

make PREFIX= install_target

This installs only the files that are necessary to run binaries
compiled against uClibc. Hint: You probably do not want to install
the target runtime environment on your host machine.


* Using uClibc:

To compile programs with uClibc,

export PATH={uClibc DEVEL_PREFIX}/bin:$PATH

and then just ./configure and make as usual.

Note:

You may also want to look at extra/gcc-uclibc/gcc-uclibc.c for
additional information concerning what options and environment
variables the gcc wrapper handles.

Note2:

There is an unwholesomely huge amount of code out there that
depends on the presence of GNU libc header files. We have GNU
libc header files. So we have committed a horrible sin in
uClibc. We _lie_ and claim to be GNU libc in order to force
many 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 (such
as GNU binutils) are especially chummy with glibc, and need
this behavior disabled by adding CFLAGS+=-D__FORCE_NOGLIBC