with --enable-tools I get this:
g++ -Wall -Wextra -ffast-math -o .libs/gledemo gledemo-gledemo.o -pthread -Wl,--export-dynamic ../goanna/gl/libglhelp.a ../nifty++/.libs/libnifty++.so /usr/lib/libglade-2.0.so /usr/lib/libxml2.so /usr/lib/libgthread-2.0.so /usr/lib/libgtkglext-x11-1.0.so /usr/lib/libgdkglext-x11-1.0.so -lGLU -lGL -lXmu -lXt -lSM -lICE /usr/lib/libgtk-x11-2.0.so /usr/lib/libpangox-1.0.so /usr/lib/libgdk-x11-2.0.so /usr/lib/libatk-1.0.so /usr/lib/libgdk_pixbuf-2.0.so -lm /usr/lib/libpangocairo-1.0.so -lfontconfig -lXext -lXrender -lXinerama -lXi -lXrandr -lXcursor -lXfixes /usr/lib/libpango-1.0.so /usr/lib/libcairo.so -lX11 /usr/lib/libgobject-2.0.so /usr/lib/libgmodule-2.0.so -ldl /usr/lib/libglib-2.0.so /usr/lib/libsigc-2.0.so -Wl,--rpath -Wl,/opt/sss/lib
gledemo-gledemo.o: In function `sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventKey*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventKey*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)':
gledemo.cpp:(.text._ZN7GTKWrap23connect_signal_hide_objIbP12_GdkEventKeyN4sigc3nilES4_S4_S4_S4_S4_EENS3_10connectionEPvPKcNS3_4slotIT_T0_T1_T2_T3_T4_T5_T6_EE[sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventKey*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventKey*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)]+0x8f): undefined reference to `GTKWrap::internal::sig_handler_base::connection()'
../goanna/gl/libglhelp.a(GLExaminer.o): In function `sigc::connection GTKWrap::connect_signal_hide_obj<void, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<void, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)':
GLExaminer.cpp:(.text._ZN7GTKWrap23connect_signal_hide_objIvN4sigc3nilES2_S2_S2_S2_S2_S2_EENS1_10connectionEPvPKcNS1_4slotIT_T0_T1_T2_T3_T4_T5_T6_EE[sigc::connection GTKWrap::connect_signal_hide_obj<void, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<void, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)]+0x8f): undefined reference to `GTKWrap::internal::sig_handler_base::connection()'
../goanna/gl/libglhelp.a(GLExaminer.o): In function `sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventConfigure*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventConfigure*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)':
GLExaminer.cpp:(.text._ZN7GTKWrap23connect_signal_hide_objIbP18_GdkEventConfigureN4sigc3nilES4_S4_S4_S4_S4_EENS3_10connectionEPvPKcNS3_4slotIT_T0_T1_T2_T3_T4_T5_T6_EE[sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventConfigure*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventConfigure*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)]+0x8f): undefined reference to `GTKWrap::internal::sig_handler_base::connection()'
../goanna/gl/libglhelp.a(GLExaminer.o): In function `sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventExpose*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventExpose*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)':
GLExaminer.cpp:(.text._ZN7GTKWrap23connect_signal_hide_objIbP15_GdkEventExposeN4sigc3nilES4_S4_S4_S4_S4_EENS3_10connectionEPvPKcNS3_4slotIT_T0_T1_T2_T3_T4_T5_T6_EE[sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventExpose*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventExpose*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)]+0x8f): undefined reference to `GTKWrap::internal::sig_handler_base::connection()'
../goanna/gl/libglhelp.a(GLExaminer.o): In function `sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventButton*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventButton*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)':
GLExaminer.cpp:(.text._ZN7GTKWrap23connect_signal_hide_objIbP15_GdkEventButtonN4sigc3nilES4_S4_S4_S4_S4_EENS3_10connectionEPvPKcNS3_4slotIT_T0_T1_T2_T3_T4_T5_T6_EE[sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventButton*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventButton*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)]+0x8f): undefined reference to `GTKWrap::internal::sig_handler_base::connection()'
../goanna/gl/libglhelp.a(GLExaminer.o):GLExaminer.cpp:(.text._ZN7GTKWrap23connect_signal_hide_objIbP15_GdkEventMotionN4sigc3nilES4_S4_S4_S4_S4_EENS3_10connectionEPvPKcNS3_4slotIT_T0_T1_T2_T3_T4_T5_T6_EE[sigc::connection GTKWrap::connect_signal_hide_obj<bool, _GdkEventMotion*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>(void*, char const*, sigc::slot<bool, _GdkEventMotion*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>)]+0x8f): more undefined references to `GTKWrap::internal::sig_handler_base::connection()' follow
collect2: ld returned 1 exit status
make[3]: *** [gledemo] Error 1
