Expose a radio function (receiveBeacon) to the Nasal subsystem

[flightgear.git] / src / Environment / presets.cxx

diff --git a/src/Environment/presets.cxx b/src/Environment/presets.cxx
index 55da646302b829cb215501b96bd29aef574ce3df..5e31e63cff87d45f23878d86de82ea01d1f2459c 100644 (file)
--- a/src/Environment/presets.cxx
+++ b/src/Environment/presets.cxx
@@ -24,6 +24,7 @@
 #endif
 #include "presets.hxx"
 
+#include <cmath>
 #include <simgear/math/SGMisc.hxx>
 #include <Main/fg_props.hxx>