--- synfig-0.64.3/src/synfig/time.cpp.orig	2016-01-25 13:03:27.551796351 +0000
+++ synfig-0.64.3/src/synfig/time.cpp	2016-01-25 14:57:56.875126403 +0000
@@ -327,5 +327,5 @@
 bool
 Time::is_valid()const
 {
-	return !isnan(value_);
+	return !::isnan(value_);
 }
--- synfig-0.64.3/src/modules/mod_particle/plant.cpp.orig	2016-01-25 16:46:05.432716223 +0000
+++ synfig-0.64.3/src/modules/mod_particle/plant.cpp	2016-01-25 16:46:07.073720776 +0000
@@ -593,7 +593,7 @@
 	const Real pw = (br[0] - tl[0]) / w;
 	const Real ph = (br[1] - tl[1]) / h;
 	
-	if (isinf(pw) || isinf(ph))
+	if (::isinf(pw) || ::isinf(ph))
 		return;
 	
 	if (particle_list.begin() != particle_list.end())