$NetBSD: patch-aa,v 1.14 2015/10/18 00:51:55 dholland Exp $

* Allow threads on OpenBSD now that OpenBSD has threads.
* Use correct CFLAGS on SunOS.
* XXX something about arm
* XXX something about rint()

--- configure.orig	2014-07-20 06:15:05.000000000 +0000
+++ configure
@@ -2893,6 +2893,14 @@ $as_echo "#define GC_NETBSD_THREADS 1" >
       THREADDLLIBS="-lpthread -lrt"
       GAUCHE_THREAD_TYPE=pthreads
       ;;
+    *-*-openbsd*)
+      $as_echo "#define GC_OPENBSD_THREADS 1" >>confdefs.h
+      $as_echo "#define _REENTRANT 1" >>confdefs.h
+      $as_echo "#define _PTHREADS 1" >>confdefs.h
+      THREADLIBS="-lpthread"
+      THREADDLLIBS="-lpthread"
+      GAUCHE_THREAD_TYPE=pthreads
+      ;;
     *-*-solaris*)
 
 $as_echo "#define GC_SOLARIS_THREADS 1" >>confdefs.h
@@ -3038,8 +3046,8 @@ GAUCHE_CONFIGURE_ARGS="`echo ""$ac_confi
 
 
 case $host in
-  *-pc-solaris2.*)
-    CFLAGS="$CFLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1 -D__EXTENSIONS__" ;;
+  *-solaris2.*)
+    CFLAGS="$CFLAGS -D_XOPEN_SOURCE=600 -D__EXTENSIONS__" ;;
 esac
 
 ac_ext=c
@@ -5170,6 +5178,9 @@ $as_echo "#define SCM_TARGET_X86_64 1" >
  ;;
   alpha*)
     CFLAGS="$CFLAGS -mieee" ;;
+  arm*-*-netbsd*)
+    # Don't define DOUBLE_ARMENDIAN on netbsd.
+    ;;
   arm*)
     # ARM processor may use a special mixed endian for doubles.  It can
     # be switched by processor configuration.  So we check it at runtime.
@@ -6377,7 +6388,7 @@ _ACEOF
 
 fi
 
-for ac_func in isnan isinf trunc rint tgamma lgamma
+for ac_func in isnan isinf trunc tgamma lgamma
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"