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-rw-r--r--src/google/protobuf/compiler/subprocess.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/subprocess.cc b/src/google/protobuf/compiler/subprocess.cc
index b70c600d..de46a3e6 100644
--- a/src/google/protobuf/compiler/subprocess.cc
+++ b/src/google/protobuf/compiler/subprocess.cc
@@ -35,6 +35,7 @@
#ifndef _WIN32
#include <errno.h>
#include <sys/wait.h>
+#include <signal.h>
#endif
#include <algorithm>