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[[!meta copyright="Copyright © 2007, 2008, 2009, 2010, 2018 Free Software
Foundation, Inc."]]
[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
id="license" text="Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation License, Version 1.2 or
any later version published by the Free Software Foundation; with no Invariant
Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
is included in the section entitled [[GNU Free Documentation
License|/fdl]]."]]"""]]
[[General_information|/glibc]] about the glibc.
For information about how the glibc integrates into the system, see sections
2.1 and 2.5 of the [[critique]].
[[Hurd-specific_API]].
[[Debugging_glibc|debugging/glibc]].
# Cross-building
The long-term goal is to get `build-many-glibcs.py` to be able to cross-compile
glibc. This should be working as per the following:
$ mkdir -p /tmp/build/src
$ cp -a /usr/src/glibc /tmp/build/src/
$ unset CFLAGS
$ /tmp/build/src/glibc/scripts/build-many-glibcs.py --shallow /tmp/build checkout
$ /tmp/build/src/glibc/scripts/build-many-glibcs.py --strip /tmp/build host-libraries
$ /tmp/build/src/glibc/scripts/build-many-glibcs.py --strip /tmp/build compilers i686-gnu
$ /tmp/build/src/glibc/scripts/build-many-glibcs.py /tmp/build glibcs i686-gnu
Currently the master branch builds that way without any testsuite issue.
To save some disk space, after the compilers stage you can remove src/mpc, src/mpfr, src/binutils, src/linux.
# Building
One of the tests really put boxes on its knees:
$ echo "tests-unsupported += test-lfs" >> sysdeps/mach/hurd/i386/Makefile
One can build libc this way:
$ mkdir build
$ cd build
$ unset CFLAGS
$ ../configure --prefix=/usr
$ make
$ make check -k
One can run tests with the new libc by hand:
$ ./testrun.sh ~/test
One can build by hand some target with e.g.:
$ make $PWD/htl/libpthread.so -C ../htl subdir=htl objdir=$PWD ..=../
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