From 3c8e87575da3795aa31ed9653da72abb8ed88996 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 21 Sep 2024 23:04:32 +0200
Subject: Remove unused references to boost::signals2.

---
 README.md                 | 2 +-
 src/dcp.h                 | 1 -
 src/mono_picture_asset.cc | 1 +
 src/mxf.h                 | 1 -
 test/dcp_test.cc          | 1 +
 tools/dcpdiff.cc          | 1 +
 wscript                   | 7 -------
 7 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index 4bfe387f..b8d53732 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Bugfixes were received from Philip Tschiemer.
 # Dependencies
 
 - pkg-config (for build system)
-- boost (1.45 or above): filesystem, signals2, datetime and unit testing libraries
+- boost (1.45 or above): filesystem, datetime and unit testing libraries
 - openssl
 - libxml++
 - xmlsec
diff --git a/src/dcp.h b/src/dcp.h
index 21cc3aac..9f4c93de 100644
--- a/src/dcp.h
+++ b/src/dcp.h
@@ -49,7 +49,6 @@
 #include "util.h"
 #include "verify.h"
 #include "version.h"
-#include <boost/signals2.hpp>
 #include <memory>
 #include <string>
 #include <vector>
diff --git a/src/mono_picture_asset.cc b/src/mono_picture_asset.cc
index a72fd7d4..5670591a 100644
--- a/src/mono_picture_asset.cc
+++ b/src/mono_picture_asset.cc
@@ -48,6 +48,7 @@
 #include "mono_picture_frame.h"
 #include <asdcp/AS_DCP.h>
 #include <asdcp/KM_fileio.h>
+#include <boost/bind/bind.hpp>
 
 
 using std::dynamic_pointer_cast;
diff --git a/src/mxf.h b/src/mxf.h
index 19d4a956..2e97afd7 100644
--- a/src/mxf.h
+++ b/src/mxf.h
@@ -45,7 +45,6 @@
 #include "key.h"
 #include "metadata.h"
 #include "dcp_assert.h"
-#include <boost/signals2.hpp>
 
 
 namespace ASDCP {
diff --git a/test/dcp_test.cc b/test/dcp_test.cc
index 5456092c..f18cfde7 100644
--- a/test/dcp_test.cc
+++ b/test/dcp_test.cc
@@ -53,6 +53,7 @@
 #include "test.h"
 #include <asdcp/KM_util.h>
 #include <sndfile.h>
+#include <boost/bind.hpp>
 #include <boost/test/unit_test.hpp>
 
 
diff --git a/tools/dcpdiff.cc b/tools/dcpdiff.cc
index 7c7c4b71..4f1d84e8 100644
--- a/tools/dcpdiff.cc
+++ b/tools/dcpdiff.cc
@@ -39,6 +39,7 @@
 #include "filesystem.h"
 #include "mxf.h"
 #include <getopt.h>
+#include <boost/bind.hpp>
 #include <boost/optional.hpp>
 #include <memory>
 #include <boost/filesystem.hpp>
diff --git a/wscript b/wscript
index 062e54da..76fc166c 100644
--- a/wscript
+++ b/wscript
@@ -227,13 +227,6 @@ def configure(conf):
                    uselib='BOOST_FILESYSTEM',
                    define_name='LIBDCP_HAVE_WEAKLY_CANONICAL')
 
-    conf.check_cxx(fragment="""
-    			    #include <boost/signals2.hpp>\n
-    			    int main() { boost::signals2::signal<void (int)> x; }\n
-			    """,
-                   msg='Checking for boost signals2 library',
-                   uselib_store='BOOST_SIGNALS2')
-
     conf.check_cxx(fragment="""
     			    #include <boost/date_time.hpp>\n
     			    int main() { boost::gregorian::day_clock::local_day(); }\n
-- 
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