From e669174d53c3dacb80b76502f928feb648cc2aa3 Mon Sep 17 00:00:00 2001
From: Clemens Korner <clemens.corny@gmail.com>
Date: Fri, 31 Aug 2012 20:31:19 +0200
Subject: [PATCH] Option to use libconfig system libraries

---
 CMakeLists.txt                        |  7 ++++++-
 src/3rdparty/libconfig/CMakeLists.txt |  2 +-
 src/opentld/CMakeLists.txt            | 15 +++++++++------
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 827320be..a778888a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,6 +48,7 @@ if(NOT CMAKE_BUILD_TYPE)
 endif(NOT CMAKE_BUILD_TYPE)
 
 option(BUILD_QOPENTLD "Build with Qt-config-dialog." OFF)
+option(USE_SYSTEM_LIBS "Use the installed version of libconfig++." OFF)
 
 if(WIN32)
 	add_definitions(-DLIBCONFIGXX_STATIC -DLIBCONFIG_STATIC) #Needed when linking libconfig statically
@@ -67,7 +68,11 @@ set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
 #-------------------------------------------------------------------------------
 #add subdirectories
 add_subdirectory(src/3rdparty/cvblobs)
-add_subdirectory(src/3rdparty/libconfig)
+
+if(NOT USE_SYSTEM_LIBS)
+    add_subdirectory(src/3rdparty/libconfig)
+endif(NOT USE_SYSTEM_LIBS)
+
 add_subdirectory(src/libopentld)
 add_subdirectory(src/opentld)
 
diff --git a/src/3rdparty/libconfig/CMakeLists.txt b/src/3rdparty/libconfig/CMakeLists.txt
index eb36cb0e..59dec98b 100644
--- a/src/3rdparty/libconfig/CMakeLists.txt
+++ b/src/3rdparty/libconfig/CMakeLists.txt
@@ -3,7 +3,7 @@ if(WIN32)
 	add_definitions(-DLIBCONFIGXX_STATIC -DLIBCONFIG_STATIC -DYY_NO_UNISTD_H -DYY_USE_CONST -D_CRT_SECURE_NO_DEPRECATE -D_STDLIB_H)
 endif(WIN32)
 
-add_library(libconfig
+add_library(config++
     grammar.c
     libconfig.c
     libconfigcpp.cc
diff --git a/src/opentld/CMakeLists.txt b/src/opentld/CMakeLists.txt
index afd0d322..c689ba7c 100644
--- a/src/opentld/CMakeLists.txt
+++ b/src/opentld/CMakeLists.txt
@@ -6,9 +6,12 @@ include_directories(main
     ../libopentld/mftracker
     ../libopentld/tld
     ../3rdparty/cvblobs
-    ../3rdparty/libconfig
     ${OpenCV_INCLUDE_DIRS})
 
+if(NOT USE_SYSTEM_LIBS)
+    include_directories(../3rdparty/libconfig)
+endif(NOT USE_SYSTEM_LIBS)
+
 #-------------------------------------------------------------------------------
 # main
 add_library(main
@@ -21,14 +24,14 @@ add_library(main
     main/Main.h
     main/Settings.h)
 
-target_link_libraries(main libopentld cvblobs libconfig ${OpenCV_LIBS})
+target_link_libraries(main libopentld cvblobs config++ ${OpenCV_LIBS})
 
 #-------------------------------------------------------------------------------
 # opentld
 add_executable(opentld
     OpenTLD.cpp)
 
-target_link_libraries(opentld main libopentld cvblobs libconfig ${OpenCV_LIBS})
+target_link_libraries(opentld main libopentld cvblobs config++ ${OpenCV_LIBS})
 
 install(TARGETS opentld DESTINATION bin)
 
@@ -46,13 +49,13 @@ if(BUILD_QOPENTLD)
     set(QOPENTLD_FORMS qopentld/ConfigDialog.ui)
     set(QOPENTLD_RCS ../../res/rcs.qrc)
 
-    QT4_ADD_RESOURCES(QOPENTLD_RCS_HEADERS ${QOPENTLD_RCS})        
+    QT4_ADD_RESOURCES(QOPENTLD_RCS_CPP ${QOPENTLD_RCS})
     QT4_WRAP_CPP(QOPENTLD_HEADERS_MOC ${QOPENTLD_HEADERS})
     QT4_WRAP_UI(QOPENTLD_FORMS_HEADERS ${QOPENTLD_FORMS})
-    set(QOPENTLD_SOURCES ${QOPENTLD_SOURCES} ${QOPENTLD_RCS_HEADERS} ${QOPENTLD_HEADERS_MOC} ${QOPENTLD_FORMS_HEADERS})
+    set(QOPENTLD_SOURCES ${QOPENTLD_SOURCES} ${QOPENTLD_RCS_CPP} ${QOPENTLD_HEADERS_MOC} ${QOPENTLD_FORMS_HEADERS})
 
     add_executable(qopentld ${QOPENTLD_SOURCES})
-    target_link_libraries(qopentld main libopentld cvblobs libconfig ${OpenCV_LIBS} ${QT_LIBRARIES})
+    target_link_libraries(qopentld main libopentld cvblobs config++ ${OpenCV_LIBS} ${QT_LIBRARIES})
 
     install(TARGETS qopentld DESTINATION bin)
 endif(BUILD_QOPENTLD)