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-rw-r--r--libs/pbd/pbd/floating.h1
-rw-r--r--libs/pbd/pbd/system_exec.h3
2 files changed, 4 insertions, 0 deletions
diff --git a/libs/pbd/pbd/floating.h b/libs/pbd/pbd/floating.h
index 86ab4a68f0..d7d6349a34 100644
--- a/libs/pbd/pbd/floating.h
+++ b/libs/pbd/pbd/floating.h
@@ -28,6 +28,7 @@
#include <stdint.h>
+#include <cstdlib> // abs(int)
#include <cmath>
#include "pbd/libpbd_visibility.h"
diff --git a/libs/pbd/pbd/system_exec.h b/libs/pbd/pbd/system_exec.h
index d5b14c8273..a8a30ba18d 100644
--- a/libs/pbd/pbd/system_exec.h
+++ b/libs/pbd/pbd/system_exec.h
@@ -37,6 +37,9 @@
#undef interface // VKamyshniy: to avoid "include/giomm-2.4/giomm/dbusmessage.h:270:94: error: expected ',' or '...' before 'struct'"
#endif
+#else // posix
+#include <sys/types.h>
+#include <sys/wait.h> /* WNOHANG is part of the exposed API */
#endif
#include <string>