diff --git a/src/libs/utils/process_stub.pro b/src/libs/utils/process_stub.pro
index f87c13631e8..ea6b77aa41d 100644
--- a/src/libs/utils/process_stub.pro
+++ b/src/libs/utils/process_stub.pro
@@ -14,6 +14,7 @@ build_all:!build_pass {
 
 unix {
     SOURCES += process_stub_unix.c
+    solaris-.*: LIBS += -lsocket
 } else {
     SOURCES += process_stub_win.c
     LIBS += -lshell32
diff --git a/src/plugins/debugger/outputcollector.cpp b/src/plugins/debugger/outputcollector.cpp
index 85da9787e24..32fb8521951 100644
--- a/src/plugins/debugger/outputcollector.cpp
+++ b/src/plugins/debugger/outputcollector.cpp
@@ -47,6 +47,9 @@
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#ifdef Q_OS_SOLARIS
+# include <sys/filio.h> // FIONREAD
+#endif
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>