Add missing include to a Trilinos Sacado CMake test

diff --git a/cmake/configure/configure_2_trilinos.cmake b/cmake/configure/configure_2_trilinos.cmake
index 0329a9ce9da5f9823a77225d5ae37693f61385b1..2225b6266d0e9ee0db11ea62e0abbf229a36ec1a 100644 (file)
--- a/cmake/configure/configure_2_trilinos.cmake
+++ b/cmake/configure/configure_2_trilinos.cmake
@@ -288,6 +288,7 @@ MACRO(FEATURE_TRILINOS_FIND_EXTERNAL var)
         CHECK_CXX_SOURCE_COMPILES(
           "
           #include <Sacado_trad.hpp>
+          #include <complex>
           int main ()
           {
             Sacado::Rad::ADvar<double> sacado_rad_double; // Works