Hi Pedro,

> On 09/21/2017 03:30 PM, Rainer Orth wrote:
>
>> This bad interaction between gnulib and fixed Solaris 9 headers may be
>> fixable, but even trying to seems like a total waste of time.
>> 
>> How is obsoletion/removal handled in gdb?  In gcc, in one release a
>> target is obsoleted and trying to build it yields an error which can be
>> overridden with --enable-obsolete.  Unless someone steps up to continue
>> maintenance, the code is removed in the next release.
>
> GDB is more aggressive:
>
>   https://sourceware.org/gdb/wiki/Internals%20Obsoleting-code
>
> For Solaris, I believe it's been a while that the only maintenance
> we've seen comes from you.  Which kind of makes you the de-facto
> maintainer.  :-)  Since gcc obsoleted Solaris 9 years ago, and nobody

I feared that much ;-)

> all these years stepped forward, I think we should be able to just drop
> it.  I think you've proposed this in the past, even.  I very

Indeed: I found a line or two of notes about it.  Must have been in the
context of removing support for unstructured /proc in procfs.c and
friends.  I've dusted off and completed that patch as well...

> much doubt anyone would step forward this time.

Indeed.  I've opened a tracking PR gdb/22185 and produced a first patch.
It will need a bit more testing (especially on Linux which also uses
proc-service.c), but it's basically straightforward.

	Rainer

-- 
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University


2017-09-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR gdb/22185
	* configure.host <*-*-solaris2.[01], *-*-solaris2.[2-9]*>: Mark as
	obsolete.
	Use gdb_host sol2 for i[34567]86-*-solaris2*, x86_64-*-solaris2*.
	Remove i386sol2 support.
	* configure.nat <i386sol2>: Remove.
	<sol2-64>: Fold into ...
	<sol2>: ... this.
	Move common settings to default section.
	* configure.tgt <i[34567]86-*-solaris2.1[0-9]*,
	x86_64-*-solaris2.1[0-9]*>: Rename to ...
	<i[34567]86-*-solaris2*, x86_64-*-solaris2*>: ... this.
	<i[34567]86-*-solaris*>: Remove.
	<sparc-*-solaris2.[0-6], sparc-*-solaris2.[0-6].*>: Remove.

	* configure.ac: Remove wctype in libw check.
	(_MSE_INT_H): Don't define on Solaris 7-9.
	(PROC_SERVICE_IS_OLD): Remove.
	(HAVE_THREAD_DB_LIB): Don't consider libthread_db.so.0 any
	longer.
	* configure: Regenerate.
	* config.in: Regenerate.

	* proc-service.c: Remove PROC_SERVICE_IS_OLD handling.
	(gdb_ps_prochandle_t, gdb_ps_read_buf_t, gdb_ps_write_buf_t)
	(gdb_ps_size_t): Remove.
	Use base types in users.
	* sol-thread.c: Likewise, also for gdb_ps_addr_t.

	* NEWS (Changes since GDB 8.0): Document Solaris 2.0-9 removal.