From 439bf93f8cf8c3c24fc8d5d2f6438ca7adb72d0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tarek=20Ziad=C3=A9?= <ziade.tarek@gmail.com>
Date: Sat, 20 Jun 2009 13:57:20 +0000
Subject: Fixed #6164 AIX specific linker argument in Distutils unixcompiler

---
 Lib/distutils/tests/test_unixccompiler.py |  8 ++++++++
 Lib/distutils/unixccompiler.py            | 33 ++++++++++++++++---------------
 Misc/NEWS                                 |  3 +++
 3 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/Lib/distutils/tests/test_unixccompiler.py b/Lib/distutils/tests/test_unixccompiler.py
index 94e9edf..96f5454 100644
--- a/Lib/distutils/tests/test_unixccompiler.py
+++ b/Lib/distutils/tests/test_unixccompiler.py
@@ -86,6 +86,14 @@ class UnixCCompilerTestCase(unittest.TestCase):
         sysconfig.get_config_var = gcv
         self.assertEqual(self.cc.rpath_foo(), '-R/foo')
 
+        # AIX C/C++ linker
+        sys.platform = 'aix'
+        def gcv(v):
+            return 'xxx'
+        sysconfig.get_config_var = gcv
+        self.assertEqual(self.cc.rpath_foo(), '-blibpath:/foo')
+
+
 def test_suite():
     return unittest.makeSuite(UnixCCompilerTestCase)
 
diff --git a/Lib/distutils/unixccompiler.py b/Lib/distutils/unixccompiler.py
index 0b1dc4a..129ac8c 100644
--- a/Lib/distutils/unixccompiler.py
+++ b/Lib/distutils/unixccompiler.py
@@ -288,23 +288,24 @@ class UnixCCompiler(CCompiler):
             return "+s -L" + dir
         elif sys.platform[:7] == "irix646" or sys.platform[:6] == "osf1V5":
             return ["-rpath", dir]
-        else:
-            if compiler[:3] == "gcc" or compiler[:3] == "g++":
-                # gcc on non-GNU systems does not need -Wl, but can
-                # use it anyway.  Since distutils has always passed in
-                # -Wl whenever gcc was used in the past it is probably
-                # safest to keep doing so.
-                if sysconfig.get_config_var("GNULD") == "yes":
-                    # GNU ld needs an extra option to get a RUNPATH
-                    # instead of just an RPATH.
-                    return "-Wl,--enable-new-dtags,-R" + dir
-                else:
-                    return "-Wl,-R" + dir
+        elif compiler[:3] == "gcc" or compiler[:3] == "g++":
+            # gcc on non-GNU systems does not need -Wl, but can
+            # use it anyway.  Since distutils has always passed in
+            # -Wl whenever gcc was used in the past it is probably
+            # safest to keep doing so.
+            if sysconfig.get_config_var("GNULD") == "yes":
+                # GNU ld needs an extra option to get a RUNPATH
+                # instead of just an RPATH.
+                return "-Wl,--enable-new-dtags,-R" + dir
             else:
-                # No idea how --enable-new-dtags would be passed on to
-                # ld if this system was using GNU ld.  Don't know if a
-                # system like this even exists.
-                return "-R" + dir
+                return "-Wl,-R" + dir
+        elif sys.platform[:3] == "aix":
+            return "-blibpath:" + dir
+        else:
+            # No idea how --enable-new-dtags would be passed on to
+            # ld if this system was using GNU ld.  Don't know if a
+            # system like this even exists.
+            return "-R" + dir
 
     def library_option(self, lib):
         return "-l" + lib
diff --git a/Misc/NEWS b/Misc/NEWS
index 4f59ba6..9581313 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -327,6 +327,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #6164: Added an AIX specific linker argument in Distutils 
+  unixcompiler. Original patch by Sridhar Ratnakumar.
+
 - Issue #6274: Fixed possible file descriptors leak in subprocess.py
 
 - Issue #6189: Restored compatibility of subprocess.py with Python 2.2.
-- 
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