diff options
| author | Ulrich Drepper <drepper@redhat.com> | 1997-10-29 20:33:40 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1997-10-29 20:33:40 +0000 |
| commit | dd7d45e838a42b0ed470c44b55901ea98d0c2bab (patch) | |
| tree | 446414c64662a5c665483243759abf74060027df /FAQ | |
| parent | af6f39063b4433ee73647159200d105994d75b49 (diff) | |
Update.
1997-10-29 21:20 Ulrich Drepper <drepper@cygnus.com>
* libio/strops.c (_IO_str_seekoff): If mode is zero and the read/write
pointers are tied set mode according to current stream mode.
* include/features.h [_GNU_SOURCE] (_POSIX_C_SOURCE): Define to
199506L.
Define _XOPEN_SOURCE to 500 if _POSIX_C_SOURCE is defined.
* manual/creature.texi: Describe this.
* manual/socket.texi: Describe connect, accept, send, sendmsg, sendto,
recv, recvfrom, and recvmsg as cancelation points.
* sysdeps/unix/inet/syscalls.list: Add __libc_* names for these
functions.
1997-10-17 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* Make-dist (try-sysdeps): Don't look for stub files anymore.
* manual/maint.texi (Porting): Remove another reference to stub
directory.
* sysdeps/unix/bsd/sun/sethostid.c: Include stub version from
generic subdir.
* sysdeps/unix/sysv/irix4/reboot.c: Likewise.
* sysdeps/unix/sysv/irix4/swapon.c: Likewise
1997-10-29 03:54 Ulrich Drepper <drepper@cygnus.com>
* resolv/nss_dns/dns-host.c: Change variable pointed to by h_errnop
in all error cases (PR 244).
1997-10-29 00:56 Ulrich Drepper <drepper@cygnus.com>
* posix/glob.c: Fix handling of expressions like "*/" (PR 325).
Optimize by using mempcpy.
1997-10-17 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* po/Makefile ($(mo-installed)): Don't fail during installation if
files don't exist (might happen if msgfmt doesn't exist) (PR 328).
Suggested by Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>.
1997-10-24 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/generic/bits/errno.h (ENOMSG): Define it.
Pointed out by Klaus Espenlaub
<kespenla@hydra.informatik.uni-ulm.de> (PR libc/259).
1997-10-28 17:40 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-ieee754/s_cbrt.c: Testing the returned exponent for
zero isn't enough to determine illegal arguments.
* sysdeps/libm-ieee754/s_cbrtf.c: Likewise.
* sysdeps/libm-ieee754/s_cbrtl.c: Likewise.
1997-10-28 17:14 Ulrich Drepper <drepper@cygnus.com>
* manual/filesys.texi (S_ISVTX): Describe that it is available with
_BSD_SOURCE only.
Reported by Jochen Hein <jochen.hein@delphi.central.de>.
1997-10-28 04:26 Ulrich Drepper <drepper@cygnus.com>
* time/tzfile.c (__tzfile_compute): Use negated value of offset for
timezone variable.
* time/tzset.c (tz_compute): Likewise.
Reported by Erik Troan <ewt@redhat.com>.
1997-10-28 02:51 Ulrich Drepper <drepper@cygnus.com>
* manual/filesys.texi: Correct prototype in readdir_r description.
Reported by Jim Meyering <meyering@eng.ascend.com>.
1997-10-27 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* math/libm-test.c (cbrt_test): Add test for cbrt(0.970299).
1997-10-26 19:39 Zack Weinberg <zack@rabi.phys.columbia.edu>
* stdlib/l64a.c: Produce a useful result for n < 0.
* stdlib/a64l.c: Use unsigned type for working variable.
* manual/string.texi (general): Grammar, typo, overfull fixes.
(strlen): Insert warning about sizeof(char *).
(a64l, l64a): Make documentation agree with implementation.
* libio/iofdopen.c: Use _IO_FILE_complete, not _IO_FILE_plus.
* posix/unistd.h: Add prototypes for __pread, __pread64, __pwrite
Diffstat (limited to 'FAQ')
| -rw-r--r-- | FAQ | 26 |
1 files changed, 24 insertions, 2 deletions
@@ -97,6 +97,9 @@ please let me know. [Q27] ``Programs like `logname', `top', `uptime' `users', `w' and `who', show incorrect information about the (number of) users on my system. Why?'' + +[Q28] ``After upgrading to a glibc 2.1 with symbol versioning I get + errors about undefined symbols. What went wrong?'' ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ [Q1] ``What systems does the GNU C Library run on?'' @@ -734,12 +737,31 @@ symlink that you have in place before you install glibc. However, ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ +[Q28] ``After upgrading to a glibc 2.1 with symbol versioning I get + errors about undefined symbols. What went wrong?'' + +[A28] {AJ} In a versioned libc a lot of symbols are now local that +have been global symbols in previous versions. When defining a extern +variable both in a user program and extern in the libc the links +resolves this to only one reference - the one in the library. The +problem is caused by either wrong program code or tools. In no case +the global variables from libc should be used by any program. Since +these reference are now local, you might see a message like: + +"msgfmt: error in loading shared libraries: : undefined symbol: _nl_domain_bindings" + +The only way to fix this is to recompile your program. Sorry, that's +the price you might have to pay once for quite a number of advantages +with symbol versioning. + + +~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Answers were given by: {UD} Ulrich Drepper, <drepper@cygnus.com> {DMT} David Mosberger-Tang, <davidm@AZStarNet.com> -{RM} Roland McGrath, <roland@gnu.ai.mit.edu> -{HJL} H.J. Lu, <hjl@gnu.ai.mit.edu> +{RM} Roland McGrath, <roland@gnu.org> +{HJL} H.J. Lu, <hjl@gnu.org> {AJ} Andreas Jaeger, <aj@arthur.rhein-neckar.de> {EY} Eric Youngdale, <eric@andante.jic.com> {PB} Phil Blundell, <Philip.Blundell@pobox.com> |