From 5b485a628b0dccde0bbf37ee78a2b283669e9219 Mon Sep 17 00:00:00 2001
From: Patrick Snape <patricksnape@gmail.com>
Date: Thu, 11 Dec 2014 12:05:10 +0000
Subject: [PATCH]  Properly handle turning the GUI off

---
 tools/python/CMakeLists.txt | 16 +++++++++++-----
 tools/python/src/dlib.cpp   |  5 +++++
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/tools/python/CMakeLists.txt b/tools/python/CMakeLists.txt
index e1861a98f..15bc5ef88 100644
--- a/tools/python/CMakeLists.txt
+++ b/tools/python/CMakeLists.txt
@@ -9,9 +9,9 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8.4)
 include(../../dlib/add_python_module)
 
 # Tell cmake to compile all these cpp files into a dlib python module.
-add_python_module(dlib 
-   src/dlib.cpp 
-   src/matrix.cpp 
+set(python_srcs
+   src/dlib.cpp
+   src/matrix.cpp
    src/vector.cpp
    src/svm_c_trainer.cpp
    src/svm_rank_trainer.cpp
@@ -24,8 +24,14 @@ add_python_module(dlib
    src/image.cpp
    src/object_detection.cpp
    src/shape_predictor.cpp
-   src/gui.cpp
-   )
+)
+
+# Only add the GUI module if requested
+if(NOT ${DLIB_NO_GUI_SUPPORT})
+   list(APPEND python_srcs src/gui.cpp)
+endif(NOT ${DLIB_NO_GUI_SUPPORT})
+
+add_python_module(dlib ${python_srcs})
 
 # When you run "make install" we will copy the compiled dlib.so (or dlib.pyd) 
 # library file to the python_examples folder.
diff --git a/tools/python/src/dlib.cpp b/tools/python/src/dlib.cpp
index f6d7c5532..8c939b110 100644
--- a/tools/python/src/dlib.cpp
+++ b/tools/python/src/dlib.cpp
@@ -16,7 +16,10 @@ void bind_svm_struct();
 void bind_image_classes();
 void bind_object_detection();
 void bind_shape_predictors();
+
+#ifndef DLIB_NO_GUI_SUPPORT
 void bind_gui();
+#endif
 
 BOOST_PYTHON_MODULE(dlib)
 {
@@ -37,6 +40,8 @@ BOOST_PYTHON_MODULE(dlib)
     bind_image_classes();
     bind_object_detection();
     bind_shape_predictors();
+#ifndef DLIB_NO_GUI_SUPPORT
     bind_gui();
+#endif
 }