[build, doc] Obsolete Solaris 9 support

[Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>]

I think the time has come to obsolete Solaris 9 support:

* According to
  http://www.oracle.com/us/support/library/lsp-coverage-sun-software-309122.pdf,
  p.17, Premier Support has already ended in October 2011 and even
  Extended Support will end in October 2014, which means it's impossible
  to get patches without a special contract.  By the time GCC 4.10 is
  expected to be released (Spring 2015), this period is well past.  This
  timescale is in line with what happened for Solaris 7 (obsoleted in
  GCC 4.5) and Solaris 8 (obsoleted in GCC 4.7).

* Solaris 9 seems to be far less popular than Solaris 8 was: last time I
  checked there was only a single Solaris 9 testresults posting apart
  from my own.

* By the time Solaris 12 appears, I'll need to reduce the testing matrix
  to keep the amount of work manageable.

Therefore the following patch does just that.  Tested by
configuring/building without and with --enable-obsolete and checking
gccinstall.info on i386-pc-solaris2.9.  The config-list.mk part is
untested, but should be straightforward.

Unless there are strong objections, I plan to install this patch in a
day or two.

	Rainer


2013-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	gcc:
	* config.gcc: Obsolete *-*-solaris2.9*.
	* doc/install.texi (Specific, *-*-solaris2*): Document it.

	contrib:
	* config-list.mk (LIST): Add -enable-obsolete for
	sparc-sun-solaris2.9, i686-solaris2.9.

# HG changeset patch
# Parent 8dd34f8a37b7d71d46c5299a2d6dd8189d0867f9
Obsolete Solaris 9 support

diff --git a/contrib/config-list.mk b/contrib/config-list.mk
--- a/contrib/config-list.mk
+++ b/contrib/config-list.mk
@@ -67,7 +67,8 @@ LIST = aarch64-elf aarch64-linux-gnu \
   x86_64-elfOPT-with-fpmath=sse x86_64-freebsd6 x86_64-netbsd \
   x86_64-knetbsd-gnu x86_64-w64-mingw32 \
   x86_64-mingw32OPT-enable-sjlj-exceptions=yes xstormy16-elf xtensa-elf \
-  xtensa-linux sparc-sun-solaris2.9 i686-solaris2.9 \
+  xtensa-linux \
+  sparc-sun-solaris2.9OPT-enable-obsolete i686-solaris2.9OPT-enable-obsolete \
   i686-interix3OPT-enable-obsolete score-elfOPT-enable-obsolete
 
 LOGFILES = $(patsubst %,log/%-make.out,$(LIST))
diff --git a/gcc/config.gcc b/gcc/config.gcc
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -246,6 +246,7 @@ md_file=
 case ${target} in
    picochip-*				\
  | score-*				\
+ | *-*-solaris2.9*			\
  )
     if test "x$enable_obsolete" != xyes; then
       echo "*** Configuration ${target} is obsolete." >&2
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -4068,8 +4068,10 @@ supported as cross-compilation target on
 @c alone is too unspecific and must be avoided.
 @heading @anchor{x-x-solaris2}*-*-solaris2*
 
-Support for Solaris 8 has removed in GCC 4.8.  Support for Solaris 7 has
-been removed in GCC 4.6.
+Support for Solaris 9 has been obsoleted in GCC 4.9, but can still be
+enabled by configuring with @option{--enable-obsolete}.  Support will be
+removed in GCC 4.10.  Support for Solaris 8 has removed in GCC 4.8.
+Support for Solaris 7 has been removed in GCC 4.6.
 
 Sun does not ship a C compiler with Solaris 2 before Solaris 10, though
 you can download the Sun Studio compilers for free.  In Solaris 10 and

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