Remove Tru64 UNIX and IRIX references in install.texi

	* doc/install.texi (Specific, alpha*-*-*): Remove DEC OSF/1
	etc. reference.
	(Specific, alpha*-dec-osf5.1): Remove.
	(Specific, mips-sgi-irix5): Remove.
	(Specific, mips-sgi-irix6): Remove.

From-SVN: r254230

gcc/ChangeLog

+2017-10-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* doc/install.texi (Specific, alpha*-*-*): Remove DEC OSF/1
+	etc. reference.
+	(Specific, alpha*-dec-osf5.1): Remove.
+	(Specific, mips-sgi-irix5): Remove.
+	(Specific, mips-sgi-irix6): Remove.
+
 2017-10-30  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/22141

gcc/doc/install.texi

@@ -3143,8 +3143,6 @@ information have to.
 @item
 @uref{#alpha-x-x,,alpha*-*-*}
 @item
-@uref{#alpha-dec-osf51,,alpha*-dec-osf5.1}
-@item
 @uref{#amd64-x-solaris210,,amd64-*-solaris2.10}
 @item
 @uref{#arm-x-eabi,,arm-*-eabi}
@@ -3195,10 +3193,6 @@ information have to.
 @item
 @uref{#mips-x-x,,mips-*-*}
 @item
-@uref{#mips-sgi-irix5,,mips-sgi-irix5}
-@item
-@uref{#mips-sgi-irix6,,mips-sgi-irix6}
-@item
 @uref{#nds32le-x-elf,,nds32le-*-elf}
 @item
 @uref{#nds32be-x-elf,,nds32be-*-elf}
@@ -3328,8 +3322,7 @@ The workaround is disabled by default if neither of
 @anchor{alpha-x-x}
 @heading alpha*-*-*
 This section contains general configuration information for all
-alpha-based platforms using ELF (in particular, ignore this section for
-DEC OSF/1, Digital UNIX and Tru64 UNIX)@.  In addition to reading this
+Alpha-based platforms using ELF@.  In addition to reading this
 section, please read all other sections that match your target.
 
 We require binutils 2.11.2 or newer.
@@ -3340,20 +3333,6 @@ shared libraries.
 @html
 <hr />
 @end html
-@anchor{alpha-dec-osf51}
-@heading alpha*-dec-osf5.1
-Systems using processors that implement the DEC Alpha architecture and
-are running the DEC/Compaq/HP Unix (DEC OSF/1, Digital UNIX, or Compaq/HP
-Tru64 UNIX) operating system, for example the DEC Alpha AXP systems.
-
-Support for Tru64 UNIX V5.1 has been removed in GCC 4.8.  As of GCC 4.6,
-support for Tru64 UNIX V4.0 and V5.0 has been removed.  As of GCC 3.2,
-versions before @code{alpha*-dec-osf4} are no longer supported.  (These
-are the versions which identify themselves as DEC OSF/1.)
-
-@html
-<hr />
-@end html
 @anchor{amd64-x-solaris210}
 @heading amd64-*-solaris2.1[0-9]*
 This is a synonym for @samp{x86_64-*-solaris2.1[0-9]*}.
@@ -4140,22 +4119,6 @@ use traps on systems that support them.
 @html
 <hr />
 @end html
-@anchor{mips-sgi-irix5}
-@heading mips-sgi-irix5
-Support for IRIX 5 has been removed in GCC 4.6.
-
-@html
-<hr />
-@end html
-@anchor{mips-sgi-irix6}
-@heading mips-sgi-irix6
-Support for IRIX 6.5 has been removed in GCC 4.8.  Support for IRIX 6
-releases before 6.5 has been removed in GCC 4.6, as well as support for
-the O32 ABI.
-
-@html
-<hr />
-@end html
 @anchor{moxie-x-elf}
 @heading moxie-*-elf
 The moxie processor.