$NetBSD: patch-ab,v 1.6 2014/05/07 18:44:28 wiz Exp $

Pass in pthread flags from pkgsrc.

--- configure.orig	2012-06-09 18:14:37.000000000 +0000
+++ configure
@@ -8371,13 +8371,13 @@ case "$host" in
     ;;
 
   *)
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
-$as_echo_n "checking for pthread_create in -lpthread... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in ${PTHREAD_LDFLAGS} ${PTHREAD_LIBS}" >&5
+$as_echo_n "checking for pthread_create in ${PTHREAD_LDFLAGS} ${PTHREAD_LIBS}... " >&6; }
 if ${ac_cv_lib_pthread_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpthread  $LIBS"
+LIBS="${PTHREAD_LDFLAGS} ${PTHREAD_LIBS}  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -8408,7 +8408,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
 if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then :
-  THREAD_LIBS="-lpthread"
+  THREAD_LIBS="${PTHREAD_LDFLAGS} ${PTHREAD_LIBS}"
 else
   as_fn_error $? "pthread needed" "$LINENO" 5
 fi