From 14187f9e3f3ba14a287803c794b20bd9d913cdab Mon Sep 17 00:00:00 2001
From: David Adam <zanchey@ucc.gu.uwa.edu.au>
Date: Sat, 7 May 2016 06:29:44 +0800
Subject: configure: drop manual checks for __EXTENSIONS__

375bef44432a0fad7ebbd3634a3e950e2d457ec1 includes the appropriate
autoconf method of checking for this feature flag.

Work on #2999.
---
 configure.ac | 19 -------------------
 1 file changed, 19 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index c97b8c51..7dc9a73e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -292,21 +292,6 @@ if test $target_cpu = powerpc; then
 fi
 
 
-#
-# Solaris-specific flags go here
-#
-
-AC_MSG_CHECKING([if we are under Solaris])
-case $target_os in
-  solaris*)
-    AC_DEFINE( __EXTENSIONS__, 1, [Macro to enable additional prototypes under Solaris])
-    AC_MSG_RESULT(yes)
-    ;;
-  *)
-    AC_MSG_RESULT(no)
-    ;;
-esac
-
 #
 # BSD-specific flags go here
 #
@@ -413,10 +398,6 @@ AC_DEFINE_UNQUOTED([WCHAR_T_BITS], [$WCHAR_T_BITS], [The size of wchar_t in bits
 #
 # * This test needs to be run _before_ testing for the presense of any
 # prototypes or other language functinality.
-#
-# * This test should be (but does not need to be) run after the
-# conditional definition of __EXTENSIONS__, to avoid redundant tests.
-#
 
 XCXXFLAGS="$CXXFLAGS"
 
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