$OpenBSD: patch-BuildUnix_configure_in,v 1.3 2009/08/10 17:53:18 naddy Exp $
--- BuildUnix/configure.in.orig	Fri Mar 29 06:11:13 2002
+++ BuildUnix/configure.in	Mon Aug 10 11:47:27 2009
@@ -136,7 +136,7 @@ dnl ==================================================
 dnl Define the standard OMNITHREAD options
 dnl ========================================================
 
-THREAD_FLAGS="-D_REENTRANT -DNoNanoSleep -DPthreadDraftVersion=10"
+THREAD_FLAGS="-D_REENTRANT -DPthreadDraftVersion=10"
 THREAD_LIBS="-lpthread"
 USE_SOLARIS_CPP="false"
 
@@ -321,8 +321,8 @@ GLLIB=
 AC_CHECK_HEADER(GL/gl.h,
 	AC_CHECK_LIB(GL, glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB="-lGL", \
 		AC_CHECK_LIB(MesaGL, glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lMesaGL",,\
-		-L${ac_x_libraries} -lX11 -lXext $X_EXTRA_LIBS -lm), \
-		-L${ac_x_libraries} -lX11 -lXext $X_EXTRA_LIBS -lm)
+		-L${ac_x_libraries} -lXext -lX11 -lxcb -lpthread-stubs -lXdmcp -lXau $X_EXTRA_LIBS -lm), \
+		-L${ac_x_libraries} -lXext -lX11 -lxcb -lpthread-stubs -lXdmcp -lXau $X_EXTRA_LIBS -lm)
 )
 
 AC_CHECK_HEADER(GL/glu.h,
@@ -347,7 +347,7 @@ AC_CACHE_SAVE
 
 dnl Temporarily add -lfltk and OTHER-LIBRARIES (cf AC_CHECK_LIB) to $LIBS
 save_LIBS="$LIBS"
-LIBS="-lfltk ${GLLIB} -L${ac_x_libraries} -lXext -lX11 -lm $X_EXTRA_LIBS $LIBS"
+LIBS="-lfltk ${GLLIB} -L${ac_x_libraries} -lXext -lX11 -lxcb -lpthread-stubs -lXdmcp -lXau -lm $X_EXTRA_LIBS $LIBS"
 
 AC_LANG_CPLUSPLUS
 AC_CACHE_CHECK([for 'int fl_height (void)' in -lfltk], pose_cv_lib_fltk_found,
