$NetBSD: patch-ad,v 1.4 2004/10/03 09:20:41 tron Exp $

--- configure-	2004-05-16 05:05:10.000000000 +0900
+++ configure	2004-05-16 05:08:20.000000000 +0900
@@ -5416,14 +5416,22 @@
 
 				if $use_threads
 				then
-					echo "$as_me:$LINENO: result: mit-pthreads/unproven-pthreads" >&5
-echo "${ECHO_T}mit-pthreads/unproven-pthreads" >&6
-					pkg="$LOCALBASE/pthreads"
-					lib1="-L$pkg/lib -Wl,-R$pkg/lib"
-					lib2="-lpthread -lm -lgcc -lpthread"
-					LIBS="$lib1 $lib2 $LIBS"
-					CPPFLAGS="$CPPFLAGS -I$pkg/include"
-					STD_CINCLUDES="$STD_CINCLUDES -I$pkg/include"
+					if test -f /usr/include/pthreads.h
+					then
+						echo "$as_me:$LINENO: result: native pthreads" >&5
+						LIBS="-lpthread $LIBS"
+						CPPFLAGS="$CPPFLAGS -I/usr/include"
+						STD_CINCLUDES="$STD_CINCLUDES -I/usr/include"
+					else
+						echo "$as_me:$LINENO: result: mit-pthreads/unproven-pthreads" >&5
+	echo "${ECHO_T}mit-pthreads/unproven-pthreads" >&6
+						pkg="$LOCALBASE/pthreads"
+						lib1="-L$pkg/lib -Wl,-R$pkg/lib"
+						lib2="-lpthread -lm -lgcc -lpthread"
+						LIBS="$lib1 $lib2 $LIBS"
+						CPPFLAGS="$CPPFLAGS -I$pkg/include"
+						STD_CINCLUDES="$STD_CINCLUDES -I$pkg/include"
+					fi
 				fi
 			fi
 		fi