diff options
-rw-r--r-- | src/sim/mathexpr.hh | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sim/mathexpr.hh b/src/sim/mathexpr.hh index d857fa512..6d04d2538 100644 --- a/src/sim/mathexpr.hh +++ b/src/sim/mathexpr.hh @@ -41,6 +41,7 @@ #define __SIM_MATHEXPR_HH__ #include <algorithm> +#include <functional> #include <string> class MathExpr { |