From 7696971fe7b34797cf5af36c8a694cf4ac94e09a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Fri, 3 Jun 2005 10:43:19 +0000
Subject: [PATCH] rework how pthreads support to turned on/off, always run
 though the switch to figure out what the linker/compiler flag are

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15349 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 cf/pthreads.m4 | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/cf/pthreads.m4 b/cf/pthreads.m4
index cb8b7d58e..2a1bc0bc1 100644
--- a/cf/pthreads.m4
+++ b/cf/pthreads.m4
@@ -3,18 +3,14 @@ dnl $Id$
 AC_DEFUN([KRB_PTHREADS], [
 AC_MSG_CHECKING(if compiling threadsafe libraries)
 
-if test "$PTHREADS_LIBS" = "" ; then
-    PTHREADS_LIBS="-pthread"
-fi
-
 AC_ARG_ENABLE(pthread-support,
 	AS_HELP_STRING([--enable-pthread-support],
 			[if you want thread safe libraries]),
 	[],[enable_pthread_support=maybe])
-if test "$enable_pthread_support" = maybe; then
+
 case "$host" in 
 *-*-solaris2*)
-	enable_pthread_support=yes
+	native_pthread_support=yes
 	if test "$GCC" = yes; then
 		PTHREADS_CFLAGS=-pthreads
 		PTHREADS_LIBS=-pthreads
@@ -24,41 +20,47 @@ case "$host" in
 	fi
 	;;
 *-*-netbsd*)
-	enable_pthread_support="if running netbsd 1.6T or newer"
+	native_pthread_support="if running netbsd 1.6T or newer"
 	dnl heim_threads.h knows this
 	PTHREADS_LIBS=""
 	;;
 *-*-freebsd5*)
-	enable_pthread_support=yes
+	native_pthread_support=yes
 	;;
 *-*-linux* | *-*-linux-gnu)
 	case `uname -r` in
 	2.*)
-		enable_pthread_support=yes
+		native_pthread_support=yes
 		PTHREADS_CFLAGS=-pthread
+		PTHREADS_LIBS=-pthread
 		;;
 	esac
 	;;
 *-*-aix*)
 	if test "$GCC" = yes; then
-		enable_pthread_support=yes
+		native_pthread_support=yes
+		PTHREADS_LIBS="-pthread"
 	elif expr "$CC" : ".*_r" > /dev/null ; then
-		enable_pthread_support=yes
+		native_pthread_support=yes
 		PTHREADS_CFLAGS=""
 		PTHREADS_LIBS=""
 	else
-		enable_pthread_support=no
+		native_pthread_support=no
 	fi
 	;;
 mips-sgi-irix6.[[5-9]])  # maybe works for earlier versions too
-	enable_pthread_support=yes
+	native_pthread_support=yes
 	PTHREADS_LIBS="-lpthread"
 	;;
 *)
-	enable_pthread_support=no
+	native_pthread_support=no
 	;;
 esac
+
+if test "$enable_pthread_support" = maybe ; then
+	enable_pthread_support="$native_pthread_support"
 fi
+	
 if test "$enable_pthread_support" != no; then
     AC_DEFINE(ENABLE_PTHREAD_SUPPORT, 1,
 	[Define if you want have a thread safe libraries])