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-rw-r--r--gnuradio-core/src/lib/general/gr_circular_file.cc4
-rw-r--r--gnuradio-core/src/lib/io/gr_file_descriptor_sink.cc3
-rw-r--r--gnuradio-core/src/lib/io/gr_file_descriptor_source.cc3
-rw-r--r--gnuradio-core/src/lib/io/gr_tagged_file_sink.cc4
4 files changed, 14 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/general/gr_circular_file.cc b/gnuradio-core/src/lib/general/gr_circular_file.cc
index c9222597a..4d88b9d99 100644
--- a/gnuradio-core/src/lib/general/gr_circular_file.cc
+++ b/gnuradio-core/src/lib/general/gr_circular_file.cc
@@ -42,6 +42,10 @@
#include <stdio.h>
#include <string.h>
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
static const int HEADER_SIZE = 4096;
static const int HEADER_MAGIC = 0xEB021026;
diff --git a/gnuradio-core/src/lib/io/gr_file_descriptor_sink.cc b/gnuradio-core/src/lib/io/gr_file_descriptor_sink.cc
index 09fb6c826..11e0a8eb9 100644
--- a/gnuradio-core/src/lib/io/gr_file_descriptor_sink.cc
+++ b/gnuradio-core/src/lib/io/gr_file_descriptor_sink.cc
@@ -34,6 +34,9 @@
#include <stdexcept>
#include <stdio.h>
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
gr_file_descriptor_sink::gr_file_descriptor_sink (size_t itemsize, int fd)
: gr_sync_block ("file_descriptor_sink",
diff --git a/gnuradio-core/src/lib/io/gr_file_descriptor_source.cc b/gnuradio-core/src/lib/io/gr_file_descriptor_source.cc
index 700ad4aef..334a57848 100644
--- a/gnuradio-core/src/lib/io/gr_file_descriptor_source.cc
+++ b/gnuradio-core/src/lib/io/gr_file_descriptor_source.cc
@@ -35,6 +35,9 @@
#include <stdio.h>
#include <string.h>
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
gr_file_descriptor_source::gr_file_descriptor_source (size_t itemsize,
int fd,
diff --git a/gnuradio-core/src/lib/io/gr_tagged_file_sink.cc b/gnuradio-core/src/lib/io/gr_tagged_file_sink.cc
index 154611c32..91618bad6 100644
--- a/gnuradio-core/src/lib/io/gr_tagged_file_sink.cc
+++ b/gnuradio-core/src/lib/io/gr_tagged_file_sink.cc
@@ -34,6 +34,10 @@
#include <iostream>
#include <gr_tag_info.h>
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
#ifdef O_BINARY
#define OUR_O_BINARY O_BINARY
#else