LinuxQuestions.org - error when compiling example gtkimageview

Hello,
When I try to compile with cmake gtkimageview an example I get this error:
------------------------------------------------
[100%] Building C object CMakeFiles/main.dir/interactive.c.o
Linking C executable main
/usr/bin/ld: /usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libgtk-x11-2.0.so: undefined reference to symbol 'gdk_draw_pixbuf'
/usr/bin/ld: note: 'gdk_draw_pixbuf' is defined in DSO /usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libgdk-x11-2.0.so so try adding it to the linker command line
/usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libgdk-x11-2.0.so: could not read symbols: Invalid operation
collect2: ld devolvió el estado de salida 1
make[2]: *** [main] Error 1
make[1]: *** [CMakeFiles/main.dir/all] Error 2
make: *** [all] Error 2

This is my CMakeLists.txt:
cmake_minimum_required(VERSION 2.8)
find_package(PkgConfig)
pkg_check_modules(GTK gtk+-2.0)
include_directories(${GTK_INCLUDE_DIRS})

INCLUDE_DIRECTORIES(../../.
../../src)

## Libreria gtkimageviewer
ADD_LIBRARY(VIEWER ../../src/cursors.c
../../src/gtkanimview.c
../../src/gtkimagenav.c
../../src/gtkimagetooldragger.c
../../src/gtkimagetoolselector.c
../../src/gtkimageview-marshal.c
../../src/gtkzooms.c
../../src/utils.c
../../src/gdkpixbufdrawcache.c
../../src/gtkiimagetool.c
../../src/gtkimagescrollwin.c
../../src/gtkimagetoolpainter.c
../../src/gtkimageview.c
../../src/gtkimageview-typebuiltins.c
../../src/mouse_handler.c
)

ADD_EXECUTABLE(main interactive.c )

TARGET_LINK_LIBRARIES(main ${GTK_LIBRARIES} VIEWER)
--------------------------

Thank you very much.
Pablo from Rosario,
Argentina