From c659ba60f74722c205c2800dc123b2eb96822f4a Mon Sep 17 00:00:00 2001
From: hobbs <hobbs>
Date: Tue, 28 Apr 2009 16:44:54 +0000
Subject: 	* unix/tcl.m4, unix/configure (SC_CONFIG_CFLAGS): harden the
 check 	to add _r to CC on AIX with threads.

---
 unix/configure | 5 +++--
 unix/tcl.m4    | 7 ++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/unix/configure b/unix/configure
index 230f188..897ab57 100755
--- a/unix/configure
+++ b/unix/configure
@@ -6707,11 +6707,12 @@ fi
 
 		# AIX requires the _r compiler when gcc isn't being used
 		case "${CC}" in
-		    *_r)
+		    *_r|*_r\ *)
 			# ok ...
 			;;
 		    *)
-			CC=${CC}_r
+			# Make sure only first arg gets _r
+		    	CC=`echo "$CC" | sed -e 's/^\([^ ]*\)/\1_r/'`
 			;;
 		esac
 		echo "$as_me:$LINENO: result: Using $CC for compiling with threads" >&5
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 9d653b1..5ab8549 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1162,11 +1162,12 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    AS_IF([test "${TCL_THREADS}" = "1" -a "$GCC" != "yes"], [
 		# AIX requires the _r compiler when gcc isn't being used
 		case "${CC}" in
-		    *_r)
+		    *_r|*_r\ *)
 			# ok ...
 			;;
 		    *)
-			CC=${CC}_r
+			# Make sure only first arg gets _r
+		    	CC=`echo "$CC" | sed -e 's/^\([[^ ]]*\)/\1_r/'`
 			;;
 		esac
 		AC_MSG_RESULT([Using $CC for compiling with threads])
@@ -3011,7 +3012,7 @@ AC_DEFUN([SC_TCL_GETHOSTBYNAME_R], [AC_CHECK_FUNC(gethostbyname_r, [
 #--------------------------------------------------------------------
 # SC_TCL_GETADDRINFO
 #
-#	Check if we have 'getaddrinfo'
+#	Check if we have 'getaddrinfo' for hostname lookup and inet6/ipv6
 #
 # Arguments:
 #	None
-- 
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