From ad40a78f3ec5990f9d4ed1d3622f6782633d9f19 Mon Sep 17 00:00:00 2001
From: jcarreira <jfmcarreira@gmail.com>
Date: Tue, 22 Sep 2015 11:15:05 +0100
Subject: [PATCH] Fix windows build using static libraries

---
 CMakeLists.txt                    | 1 +
 cmake/Win32.cmake                 | 2 ++
 config.h.in                       | 3 +++
 lib/CMakeLists.txt                | 6 +++++-
 modules/CMakeLists.txt            | 1 -
 modules/PlaYUVerModuleFactory.cpp | 6 ++++++
 6 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc412a4..d90ee41 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ OPTION( USE_FERVOR              "Add Fervor support"                    OFF )
 OPTION( USE_WERROR              "Warnings as errors"                    OFF )
 OPTION( USE_QT4                 "Build with Qt4"                        OFF )
 OPTION( USE_QTDBUS              "Build with Qt4"                        OFF )
+OPTION( USE_DYNLOAD             "Use dynamic load of modules"           ON  )
 # To be switched on when releasing.
 OPTION(RELEASE_BUILD "Remove Git revision from program version (use for stable releases)" ON)
 
diff --git a/cmake/Win32.cmake b/cmake/Win32.cmake
index 4f16659..bd37a98 100644
--- a/cmake/Win32.cmake
+++ b/cmake/Win32.cmake
@@ -19,6 +19,8 @@ SET(QT_DIR "QT-Dir" CACHE PATH "Where to find QT Lib on Windows")
 SET(QT_DLL_POSTFIX "" CACHE STRING "Postfix to dll's name for debug" )
 SET(CMAKE_PREFIX_PATH "${CMAKE_PREFIX_PATH} ${QT_DIR}" )
 
+SET(WINDLLIB "Dl-location" CACHE PATH "Where to find DL Lib on Windows")
+
 
 IF( NOT USE_QT4 )
   INSTALL(FILES ${QT_DIR}/bin/Qt5Core${QT_DLL_POSTFIX}.dll DESTINATION bin )
diff --git a/config.h.in b/config.h.in
index 8806e27..7203346 100644
--- a/config.h.in
+++ b/config.h.in
@@ -51,6 +51,9 @@
 /* QtDBus */
 #cmakedefine USE_QTDBUS
 
+/* Dynamic Modules Loading */
+#cmakedefine USE_DYNLOAD
+
 #cmakedefine PLAYUVER_THREADED_MODULES
 
 /* Boost support */
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 8d5ed49..58bb877 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -47,7 +47,11 @@ set(plaYUver_Lib_HEADERS
 
 CONFIGURE_FILE( PlaYUVerConfig.cmake.in PlaYUVerConfig.cmake @ONLY)
 
-ADD_LIBRARY( PlaYUVerLib SHARED ${plaYUver_Lib_SRCS} )
+IF( WIN32 )
+  ADD_LIBRARY( PlaYUVerLib STATIC ${plaYUver_Lib_SRCS} )
+ELSE()
+  ADD_LIBRARY( PlaYUVerLib SHARED ${plaYUver_Lib_SRCS} )
+ENDIF()
 
 INCLUDE_DIRECTORIES( ${FFMPEG_INCLUDE_DIRS} ${OpenCV_INCLUDE_DIRS} )
 TARGET_LINK_LIBRARIES( PlaYUVerLib ${FFMPEG_LIBRARIES} ${OpenCV_LIBRARIES}  )
diff --git a/modules/CMakeLists.txt b/modules/CMakeLists.txt
index e6056e5..17a1537 100644
--- a/modules/CMakeLists.txt
+++ b/modules/CMakeLists.txt
@@ -56,4 +56,3 @@ file( APPEND ${CMAKE_CURRENT_BINARY_DIR}/ModulesListHeader.h   "#endif // __MODU
 INCLUDE_DIRECTORIES( ${OpenCV_INCLUDE_DIRS} )
 ADD_LIBRARY( PlaYUVerModules ${plaYUver_Mod_SRCS} )
 TARGET_LINK_LIBRARIES( PlaYUVerModules PlaYUVerLib  ${OpenCV_LIBRARIES} -ldl )
-
diff --git a/modules/PlaYUVerModuleFactory.cpp b/modules/PlaYUVerModuleFactory.cpp
index 8395cc0..68a28ab 100644
--- a/modules/PlaYUVerModuleFactory.cpp
+++ b/modules/PlaYUVerModuleFactory.cpp
@@ -25,7 +25,9 @@
 #include "config.h"
 #include <functional>
 #include <cstring>
+#ifdef USE_DYNLOAD
 #include <dlfcn.h>
+#endif
 #include "PlaYUVerModuleFactory.h"
 #include "ModulesListHeader.h"
 
@@ -63,6 +65,7 @@ Void PlaYUVerModuleFactory::Register( const char* moduleName, CreateModuleFn pfn
 
 Bool PlaYUVerModuleFactory::RegisterDl( const char* dlName )
 {
+#ifdef USE_DYNLOAD
   void *pHndl = dlopen( dlName, RTLD_NOW );
   if( pHndl == NULL )
   {
@@ -77,6 +80,9 @@ Bool PlaYUVerModuleFactory::RegisterDl( const char* dlName )
   }
   Register( dlName, pfnCreate );
   return true;
+#else
+  return false;
+#endif
 }
 
 PlaYUVerModuleIf *PlaYUVerModuleFactory::CreateModule( const char* moduleName )