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1999-03-08  Ulrich Drepper  <drepper@cygnus.com>

	* manual/signal.texi (Termination in Handler): Correct example.
	Install default handler before reraising the signal.
	Patch by Jochen Voss <voss@mathematik.uni-kl.de>.
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Ulrich Drepper 1999-03-08 14:23:38 +00:00
parent 95f7cecb96
commit 57b4b78a23
3 changed files with 30 additions and 12 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
1999-03-08 Ulrich Drepper <drepper@cygnus.com>
* manual/signal.texi (Termination in Handler): Correct example.
Install default handler before reraising the signal.
Patch by Jochen Voss <voss@mathematik.uni-kl.de>.
1999-03-08 Roland McGrath <roland@baalperazim.frob.com>
* hurd/hurdexec.c (_hurd_exec): Handle ARGV or ENVP parameters being

25
FAQ.in
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@ -46,7 +46,7 @@ really interested in porting it, contact
<bug-glibc@gnu.org>
?? What compiler do I need to build GNU libc?
??binsize What compiler do I need to build GNU libc?
{UD} You must use GNU CC to compile GNU libc. A lot of extensions of GNU CC
are used to increase portability and speed.
@ -63,8 +63,15 @@ may not have all the features GNU libc requires. The current releases of
egcs (1.0.3 and 1.1.1) should work with the GNU C library (for powerpc see
?powerpc; for ARM see ?arm).
{ZW} Due to problems with C++ exception handling, you must use EGCS (any
version) to compile version 2.1 of GNU libc. See ?exception for details.
While the GNU CC should be able to compile glibc it is nevertheless adviced
to use EGCS. Comparing the sizes of glibc on Intel compiled with a recent
EGCS and gcc 2.8.1 shows this:
text data bss dec hex filename
egcs-2.93.10 862897 15944 12824 891665 d9b11 libc.so
gcc-2.8.1 959965 16468 12152 988585 f15a9 libc.so
Make up your own decision.
?? When I try to compile glibc I get only error messages.
What's wrong?
@ -538,7 +545,7 @@ not a symlink to libc.so.6. It should look something like this:
GROUP ( libc.so.6 libc_nonshared.a )
??exception When I run an executable on one system which I compiled on
?? When I run an executable on one system which I compiled on
another, I get dynamic linker errors. Both systems have the same
version of glibc installed. What's wrong?
@ -562,14 +569,18 @@ libc. It doesn't matter what compiler you use to compile your program.
For glibc 2.1, we've chosen to do it the other way around: libc.so
explicitly provides the EH functions. This is to prevent other shared
libraries from doing it. You must therefore compile glibc 2.1 with EGCS.
Again, it doesn't matter what compiler you use for your programs.
libraries from doing it.
{UD} Starting with glibc 2.1.1 you can compile glibc with gcc 2.8.1 or
newer since we have explicitly add references to the functions causing the
problem. But you nevertheless should use EGCS for other reasons
(see ?binsize).
?? How can I compile gcc 2.7.2.1 from the gcc source code using
glibc 2.x?
{AJ} There's only correct support for glibc 2.0.x in gcc 2.7.2.3 or later.
But you should get at least gcc 2.8.1 or egcs 1.0.2 (or later versions)
But you should get at least gcc 2.8.1 or egcs 1.1 (or later versions)
instead.
?? The `gencat' utility cannot process the catalog sources which

11
manual/signal.texi
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@ -1514,11 +1514,12 @@ fatal_error_signal (int sig)
@end group
@group
/* @r{Now reraise the signal. Since the signal is blocked,}
@r{it will receive its default handling, which is}
@r{to terminate the process. We could just call}
@r{@code{exit} or @code{abort}, but reraising the signal}
@r{sets the return status from the process correctly.} */
/* @r{Now reraise the signal. We reactivate the signal's}
@r{default handling, which is to terminate the process.}
@r{We could just call @code{exit} or @code{abort},}
@r{but reraising the signal sets the return status}
@r{from the process correctly.} */
signal (sig, SIG_DFL);
raise (sig);
@}
@end group