$NetBSD: patch-ac,v 1.4 2010/11/26 11:29:08 obache Exp $

--- configure.orig	2003-08-29 11:53:25.000000000 -0400
+++ configure	2008-08-17 02:59:48.000000000 -0400
@@ -2094,8 +2094,9 @@ echo "configure:2093: checking for (void
 #line 2095 "configure"
 #include "confdefs.h"
 
+double val;
 int main() {
-(void)sin(0.0);
+return sin(val);
 ; return 0; }
 EOF
 if { (eval echo configure:2102: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
@@ -2141,8 +2142,9 @@ echo "configure:2140: checking for (void
 #line 2142 "configure"
 #include "confdefs.h"
 
+double val;
 int main() {
-(void)sin(0.0);
+return sin(val);
 ; return 0; }
 EOF
 if { (eval echo configure:2149: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
@@ -5398,6 +5400,9 @@ echo "configure:5396: checking for posit
         HP-UX)
             picflag=+z
             ;;
+	NetBSD|FreeBSD|OpenBSD|DragonFly|Linux|SunOS)
+	    picflag=-fPIC
+	    ;;
     esac
     case "$picflag" in
         '')
