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-rw-r--r--lib/Solver/Solver.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Solver/Solver.cpp b/lib/Solver/Solver.cpp
index 24d3ef86..43d673ff 100644
--- a/lib/Solver/Solver.cpp
+++ b/lib/Solver/Solver.cpp
@@ -27,6 +27,7 @@
 #include <map>
 #include <vector>
 
+#include <signal.h>
 #include <sys/wait.h>
 #include <sys/ipc.h>
 #include <sys/shm.h>