Issue #1759169: Drop _XOPEN_SOURCE on Solaris.

1 files changed, 7 insertions, 25 deletions

diff --git a/configure b/configure
index 116c02a..8f53afe 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 81077 .
+# From configure.in Revision: 81509 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.65 for python 2.7.
 #
@@ -3031,9 +3031,12 @@ $as_echo "#define _BSD_SOURCE 1" >>confdefs.h
   # Marc Recht
   NetBSD/1.5 | NetBSD/1.5.* | NetBSD/1.6 | NetBSD/1.6.* | NetBSD/1.6[A-S])
     define_xopen_source=no;;
-  # On Solaris 2.6, sys/wait.h is inconsistent in the usage
-  # of union __?sigval. Reported by Stuart Bishop.
-  SunOS/5.6)
+  # From the perspective of Solaris, _XOPEN_SOURCE is not so much a
+  # request to enable features supported by the standard as a request
+  # to disable features not supported by the standard.  The best way
+  # for Python to use Solaris is simply to leave _XOPEN_SOURCE out
+  # entirely and define __EXTENSIONS__ instead.
+  SunOS/*)
     define_xopen_source=no;;
   # On UnixWare 7, u_long is never defined with _XOPEN_SOURCE,
   # but used in /usr/include/netinet/tcp.h. Reported by Tim Rice.
@@ -3079,38 +3082,17 @@ esac
 
 if test $define_xopen_source = yes
 then
-  # On Solaris w/ g++ it appears that _XOPEN_SOURCE has to be
-  # defined precisely as g++ defines it
-  # Furthermore, on Solaris 10, XPG6 requires the use of a C99
-  # compiler
-  case $ac_sys_system/$ac_sys_release in
-    SunOS/5.8|SunOS/5.9|SunOS/5.10)
-
-$as_echo "#define _XOPEN_SOURCE 500" >>confdefs.h
-
-      ;;
-    *)
 
 $as_echo "#define _XOPEN_SOURCE 600" >>confdefs.h
 
-      ;;
-  esac
 
   # On Tru64 Unix 4.0F, defining _XOPEN_SOURCE also requires
   # definition of _XOPEN_SOURCE_EXTENDED and _POSIX_C_SOURCE, or else
   # several APIs are not declared. Since this is also needed in some
   # cases for HP-UX, we define it globally.
-  # except for Solaris 10, where it must not be defined,
-  # as it implies XPG4.2
-  case $ac_sys_system/$ac_sys_release in
-    SunOS/5.10)
-      ;;
-    *)
 
 $as_echo "#define _XOPEN_SOURCE_EXTENDED 1" >>confdefs.h
 
-      ;;
-  esac
 
 
 $as_echo "#define _POSIX_C_SOURCE 200112L" >>confdefs.h