remove IRIX support (closes bpo-31341) (#3310)

See PEP 11.

Author: benjaminp

Doc/distutils/apiref.rst

@@ -1086,19 +1086,16 @@ other utility module.
 
    Return a string that identifies the current platform.  This is used mainly to
    distinguish platform-specific build directories and platform-specific built
-   distributions.  Typically includes the OS name and version and the architecture
-   (as supplied by 'os.uname()'), although the exact information included depends
-   on the OS; eg. for IRIX the architecture isn't particularly important (IRIX only
-   runs on SGI hardware), but for Linux the kernel version isn't particularly
-   important.
+   distributions.  Typically includes the OS name and version and the
+   architecture (as supplied by 'os.uname()'), although the exact information
+   included depends on the OS; e.g., on Linux, the kernel version isn't
+   particularly important.
 
    Examples of returned values:
 
    * ``linux-i586``
    * ``linux-alpha``
    * ``solaris-2.6-sun4u``
-   * ``irix-5.3``
-   * ``irix64-6.2``
 
    For non-POSIX platforms, currently just returns ``sys.platform``.
 

Doc/library/sysconfig.rst

@@ -173,18 +173,15 @@ Other functions
 
    This is used mainly to distinguish platform-specific build directories and
    platform-specific built distributions.  Typically includes the OS name and
-   version and the architecture (as supplied by :func:`os.uname`), although the
-   exact information included depends on the OS; e.g. for IRIX the architecture
-   isn't particularly important (IRIX only runs on SGI hardware), but for Linux
-   the kernel version isn't particularly important.
+   version and the architecture (as supplied by 'os.uname()'), although the
+   exact information included depends on the OS; e.g., on Linux, the kernel
+   version isn't particularly important.
 
    Examples of returned values:
 
    - linux-i586
    - linux-alpha (?)
    - solaris-2.6-sun4u
-   - irix-5.3
-   - irix64-6.2
 
    Windows will return one of:
 

Lib/distutils/tests/test_unixccompiler.py

@@ -51,14 +51,6 @@ def gcv(v):
 
         sysconfig.get_config_var = old_gcv
 
-        # irix646
-        sys.platform = 'irix646'
-        self.assertEqual(self.cc.rpath_foo(), ['-rpath', '/foo'])
-
-        # osf1V5
-        sys.platform = 'osf1V5'
-        self.assertEqual(self.cc.rpath_foo(), ['-rpath', '/foo'])
-
         # GCC GNULD
         sys.platform = 'bar'
         def gcv(v):

Lib/distutils/unixccompiler.py

@@ -233,8 +233,6 @@ def runtime_library_dir_option(self, dir):
             if self._is_gcc(compiler):
                 return ["-Wl,+s", "-L" + dir]
             return ["+s", "-L" + dir]
-        elif sys.platform[:7] == "irix646" or sys.platform[:6] == "osf1V5":
-            return ["-rpath", dir]
         else:
             if self._is_gcc(compiler):
                 # gcc on non-GNU systems does not need -Wl, but can

Lib/distutils/util.py

@@ -16,28 +16,25 @@
 from distutils.errors import DistutilsByteCompileError
 
 def get_platform ():
-    """Return a string that identifies the current platform.  This is used
-    mainly to distinguish platform-specific build directories and
-    platform-specific built distributions.  Typically includes the OS name
-    and version and the architecture (as supplied by 'os.uname()'),
-    although the exact information included depends on the OS; eg. for IRIX
-    the architecture isn't particularly important (IRIX only runs on SGI
-    hardware), but for Linux the kernel version isn't particularly
-    important.
+    """Return a string that identifies the current platform.  This is used mainly to
+    distinguish platform-specific build directories and platform-specific built
+    distributions.  Typically includes the OS name and version and the
+    architecture (as supplied by 'os.uname()'), although the exact information
+    included depends on the OS; eg. on Linux, the kernel version isn't
+    particularly important.
 
     Examples of returned values:
        linux-i586
        linux-alpha (?)
        solaris-2.6-sun4u
-       irix-5.3
-       irix64-6.2
 
     Windows will return one of:
        win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
        win-ia64 (64bit Windows on Itanium)
        win32 (all others - specifically, sys.platform is returned)
 
     For other non-POSIX platforms, currently just returns 'sys.platform'.
+
     """
     if os.name == 'nt':
         # sniff sys.version for architecture.
@@ -87,8 +84,6 @@ def get_platform ():
             bitness = {2147483647:"32bit", 9223372036854775807:"64bit"}
             machine += ".%s" % bitness[sys.maxsize]
         # fall through to standard osname-release-machine representation
-    elif osname[:4] == "irix":              # could be "irix64"!
-        return "%s-%s" % (osname, release)
     elif osname[:3] == "aix":
         return "%s-%s.%s" % (osname, version, release)
     elif osname[:6] == "cygwin":

Lib/sysconfig.py

@@ -599,26 +599,23 @@ def get_platform():
     """Return a string that identifies the current platform.
 
     This is used mainly to distinguish platform-specific build directories and
-    platform-specific built distributions.  Typically includes the OS name
-    and version and the architecture (as supplied by 'os.uname()'),
-    although the exact information included depends on the OS; eg. for IRIX
-    the architecture isn't particularly important (IRIX only runs on SGI
-    hardware), but for Linux the kernel version isn't particularly
-    important.
+    platform-specific built distributions.  Typically includes the OS name and
+    version and the architecture (as supplied by 'os.uname()'), although the
+    exact information included depends on the OS; on Linux, the kernel version
+    isn't particularly important.
 
     Examples of returned values:
        linux-i586
        linux-alpha (?)
        solaris-2.6-sun4u
-       irix-5.3
-       irix64-6.2
 
     Windows will return one of:
        win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc)
        win-ia64 (64bit Windows on Itanium)
        win32 (all others - specifically, sys.platform is returned)
 
     For other non-POSIX platforms, currently just returns 'sys.platform'.
+
     """
     if os.name == 'nt':
         # sniff sys.version for architecture.
@@ -666,8 +663,6 @@ def get_platform():
             bitness = {2147483647:"32bit", 9223372036854775807:"64bit"}
             machine += ".%s" % bitness[sys.maxsize]
         # fall through to standard osname-release-machine representation
-    elif osname[:4] == "irix":              # could be "irix64"!
-        return "%s-%s" % (osname, release)
     elif osname[:3] == "aix":
         return "%s-%s.%s" % (osname, version, release)
     elif osname[:6] == "cygwin":

Lib/test/test_pty.py

@@ -24,12 +24,12 @@ def debug(msg):
 
 
 def normalize_output(data):
-    # Some operating systems do conversions on newline.  We could possibly
-    # fix that by doing the appropriate termios.tcsetattr()s.  I couldn't
-    # figure out the right combo on Tru64 and I don't have an IRIX box.
-    # So just normalize the output and doc the problem O/Ses by allowing
-    # certain combinations for some platforms, but avoid allowing other
-    # differences (like extra whitespace, trailing garbage, etc.)
+    # Some operating systems do conversions on newline.  We could possibly fix
+    # that by doing the appropriate termios.tcsetattr()s.  I couldn't figure out
+    # the right combo on Tru64.  So, just normalize the output and doc the
+    # problem O/Ses by allowing certain combinations for some platforms, but
+    # avoid allowing other differences (like extra whitespace, trailing garbage,
+    # etc.)
 
     # This is about the best we can do without getting some feedback
     # from someone more knowledgable.
@@ -38,7 +38,6 @@ def normalize_output(data):
     if data.endswith(b'\r\r\n'):
         return data.replace(b'\r\r\n', b'\n')
 
-    # IRIX apparently turns \n into \r\n.
     if data.endswith(b'\r\n'):
         return data.replace(b'\r\n', b'\n')
 

Lib/uuid.py

@@ -399,7 +399,7 @@ def _lanscan_getnode():
 
 def _netstat_getnode():
     """Get the hardware address on Unix by running netstat."""
-    # This might work on AIX, Tru64 UNIX and presumably on IRIX.
+    # This might work on AIX, Tru64 UNIX.
     try:
         proc = _popen('netstat', '-ia')
         if not proc:

Misc/NEWS.d/next/Build/2017-09-04-14-43-46.bpo-31341.XLuZFk.rst

@@ -0,0 +1 @@
+Per PEP 11, support for the IRIX operating system was removed.

Modules/Setup.dist

@@ -350,9 +350,6 @@ _symtable symtablemodule.c
 # The library to link fpectl with is platform specific.
 # Choose *one* of the options below for fpectl:
 
-# For SGI IRIX (tested on 5.3):
-#fpectl fpectlmodule.c -lfpe
-
 # For Solaris with SunPro compiler (tested on Solaris 2.5 with SunPro C 4.2):
 # (Without the compiler you don't have -lsunmath.)
 #fpectl fpectlmodule.c -R/opt/SUNWspro/lib -lsunmath -lm