$OpenBSD: patch-configure_ac,v 1.2 2006/03/28 10:25:10 jakemsr Exp $
--- configure.ac.orig	Sat Mar 25 18:00:02 2006
+++ configure.ac	Sat Mar 25 18:01:37 2006
@@ -138,6 +138,11 @@ case $host in
     THREAD_CFLAGS="-I/usr/local/include -D_THREAD_SAFE"
     CFLAGS="$THREAD_CFLAGS $CFLAGS"
     ;;
+  *-*-openbsd*)
+    THREAD_LIBS="-pthread"
+    THREAD_CFLAGS="-pthread"
+    CFLAGS="$CFLAGS $THREAD_CFLAGS"
+    ;;
   *mingw32* | *cygwin*)
     ;;
   *)
@@ -174,7 +179,7 @@ dnl ------------------------------------
 dnl cflags
 dnl ---------------------------------------------
 dnl Common cflags for all platforms
-CFLAGS="-O3 -Wall -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE $CFLAGS"
+CFLAGS="-Wall -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE $CFLAGS"
 DEBUG_CFLAGS="-g -DDEBUG $CFLAGS"
 
 AC_SUBST(DEBUG_CFLAGS)