:~/Projekte/zynjacku/zynjacku$ make
make  all-am
make[1]: Entering directory `/home/hermann/Projekte/zynjacku/zynjacku'
if /bin/sh ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include/python2.4 -DDATA_DIR='"/usr/share/zynjacku"' -Wall -g -Werror -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12   -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/lv2dynparam1       -g -O2 -MT engine.lo -MD -MP -MF ".deps/engine.Tpo" -c -o engine.lo engine.c; \
	then mv -f ".deps/engine.Tpo" ".deps/engine.Plo"; else rm -f ".deps/engine.Tpo"; exit 1; fi
mkdir .libs
 gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include/python2.4 -DDATA_DIR=\"/usr/share/zynjacku\" -Wall -g -Werror -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/lv2dynparam1 -g -O2 -MT engine.lo -MD -MP -MF .deps/engine.Tpo -c engine.c  -fPIC -DPIC -o .libs/engine.o
if /bin/sh ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include/python2.4 -DDATA_DIR='"/usr/share/zynjacku"' -Wall -g -Werror -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12   -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/lv2dynparam1       -g -O2 -MT jack_compat.lo -MD -MP -MF ".deps/jack_compat.Tpo" -c -o jack_compat.lo jack_compat.c; \
	then mv -f ".deps/jack_compat.Tpo" ".deps/jack_compat.Plo"; else rm -f ".deps/jack_compat.Tpo"; exit 1; fi
 gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include/python2.4 -DDATA_DIR=\"/usr/share/zynjacku\" -Wall -g -Werror -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/lv2dynparam1 -g -O2 -MT jack_compat.lo -MD -MP -MF .deps/jack_compat.Tpo -c jack_compat.c  -fPIC -DPIC -o .libs/jack_compat.o
if /bin/sh ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include/python2.4 -DDATA_DIR='"/usr/share/zynjacku"' -Wall -g -Werror -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12   -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/lv2dynparam1       -g -O2 -MT synth.lo -MD -MP -MF ".deps/synth.Tpo" -c -o synth.lo synth.c; \
	then mv -f ".deps/synth.Tpo" ".deps/synth.Plo"; else rm -f ".deps/synth.Tpo"; exit 1; fi
 gcc -DHAVE_CONFIG_H -I. -I. -I. -I/usr/include/python2.4 -DDATA_DIR=\"/usr/share/zynjacku\" -Wall -g -Werror -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/lv2dynparam1 -g -O2 -MT synth.lo -MD -MP -MF .deps/synth.Tpo -c synth.c  -fPIC -DPIC -o .libs/synth.o
synth.c: In function 'create_port':
synth.c:723: error: 'SLV2PortDirection' undeclared (first use in this function)
synth.c:723: error: (Each undeclared identifier is reported only once
synth.c:723: error: for each function it appears in.)
synth.c:723: error: expected ';' before 'direction'
synth.c:724: error: 'SLV2PortDataType' undeclared (first use in this function)
synth.c:724: error: expected ';' before 'type'
synth.c:730: error: 'direction' undeclared (first use in this function)
cc1: warnings being treated as errors
synth.c:730: warning: implicit declaration of function 'slv2_port_get_direction'
synth.c:733: error: 'type' undeclared (first use in this function)
synth.c:733: warning: implicit declaration of function 'slv2_port_get_data_type'
synth.c:743: error: 'SLV2_PORT_DATA_TYPE_CONTROL' undeclared (first use in this function)
synth.c:745: error: 'SLV2_PORT_DIRECTION_INPUT' undeclared (first use in this function)
synth.c:763: error: 'SLV2_PORT_DIRECTION_OUTPUT' undeclared (first use in this function)
synth.c:774: error: 'SLV2_PORT_DATA_TYPE_AUDIO' undeclared (first use in this function)
synth.c:806: error: 'SLV2_PORT_DATA_TYPE_MIDI' undeclared (first use in this function)
make[1]: *** [synth.lo] Fehler 1
make[1]: Leaving directory `/home/hermann/Projekte/zynjacku/zynjacku'
make: *** [all] Fehler 2