--- a/src/Input.cpp
+++ b/src/Input.cpp
@@ -19,6 +19,7 @@
 #include "FstreamInclude.h"
 #include "Input.h"
 #include <algorithm>
+#include <string.h>
 
 #ifdef WITH_MMAP
 #include <fcntl.h>
--- a/src/generated.cpp
+++ b/src/generated.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <string.h>
 #include "Component.h"
 
 void CreateIncludeLookupTable(std::unordered_map<std::string, File>& files,