Add flag to omit quad math

dune-copasi.opts

@@ -74,6 +74,7 @@ if [[ ! "$DUNE_COPASI_USE_STATIC_DEPS" =~ ^(ON|on|ON|TRUE|true|1)$ ]];then
   CMAKE_FLAGS+=" -DGMPXX_LIB:FILEPATH='"${CMAKE_INSTALL_PREFIX}"/lib/libgmpxx.a'"
   CMAKE_FLAGS+=" -DGMP_LIB:FILEPATH='"${CMAKE_INSTALL_PREFIX}"/lib/libgmp.a'"
   CMAKE_FLAGS+=" -Dfmt_ROOT='"${CMAKE_INSTALL_PREFIX}"'"
+  CMAKE_FLAGS+=" -DCMAKE_DISABLE_FIND_PACKAGE_QuadMath=TRUE"
   CMAKE_FLAGS+=" -DF77=true"
   DUNE_VENDOR_FMT='OFF'
   export DUNE_USE_ONLY_STATIC_LIBS='ON'