[Denemo-devel] Linker error

[Andreas Schneider]

Hi,

as I tried to compile the latest git master version this morning, I got
a linker error:

libtool: link: gcc -g -O2 -I/usr/include/libxml2 -pthread
-I/usr/include/librsvg-2.0 -I/usr/include/glib-2.0
-I/usr/lib/x86_64-linux-gnu/glib-2.0/include
-I/usr/include/gdk-pixbuf-2.0 -I/usr/include/cairo
-I/usr/include/libpng12 -I/usr/include/pixman-1 -I/usr/include/freetype2
-pthread -I/usr/include/glib-2.0
-I/usr/lib/x86_64-linux-gnu/glib-2.0/include -pthread
-I/usr/include/gtk-3.0 -I/usr/include/pango-1.0
-I/usr/include/gio-unix-2.0/ -I/usr/include/atk-1.0 -I/usr/include/cairo
-I/usr/include/gdk-pixbuf-2.0 -I/usr/include/freetype2
-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include
-I/usr/include/pixman-1 -I/usr/include/libpng12 -pthread
-I/usr/include/gtksourceview-3.0 -I/usr/include/libxml2
-I/usr/include/gtk-3.0 -I/usr/include/pango-1.0
-I/usr/include/gio-unix-2.0/ -I/usr/include/atk-1.0 -I/usr/include/cairo
-I/usr/include/gdk-pixbuf-2.0 -I/usr/include/freetype2
-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include
-I/usr/include/pixman-1 -I/usr/include/libpng12 -pthread
-I/usr/include/gtk-3.0 -I/usr/include/glib-2.0
-I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/pango-1.0
-I/usr/include/gio-unix-2.0/ -I/usr/include/atk-1.0 -I/usr/include/cairo
-I/usr/include/gdk-pixbuf-2.0 -I/usr/include/freetype2
-I/usr/include/pixman-1 -I/usr/include/libpng12
-I/usr/include/evince/3.0 -I/usr/include/alsa -D_HAVE_ALSA_
-D_HAVE_FLUIDSYNTH_ -D_HAVE_PORTAUDIO_ -pthread -I/usr/include/aubio
-D_HAVE_PORTMIDI_ -D_HAVE_X11_ -o denemo denemo_types.o commands.o
calculatepositions.o changenotehead.o chordops.o clefdialog.o
commandfuncs.o contexts.o draw.o drawaccidentals.o drawclefs.o
drawcursor.o drawkey.o drawdynamic.o drawnotes.o drawselection.o
drawstemdir.o drawtimesig.o drawtuplets.o drawlyric.o dynamic.o
drawfigure.o exportabc.o exportlilypond.o articulations.o exportxml.o
file.o hairpin.o help.o importxml.o importmusicxml.o importmidi.o
kbd-custom.o kbd-interface.o keyresponses.o keysigdialog.o figure.o
main.o measureops.o moveviewport.o mousing.o barline.o view.o http.o
mwidthdialog.o objops.o exportmidi.o instrumentname.o external.o
source.o sourceaudio.o scorelayout.o playback.o drawfakechord.o
fakechord.o playbackprops.o prefdialog.o prefops.o processstaffname.o
lyric.o scoreops.o scoreprops.o selectops.o staffops.o staffpropdialog.o
drawbarline.o slurs.o timedialog.o tomeasuredialog.o tupletops.o utils.o
graceops.o runsilent.o drawgrace.o print.o texteditors.o binreloc.o
bookmarks.o parseinstruments.o keyboard.o pitchentry.o pitchrecog.o
drawlilydir.o lilydirectives.o displayanimation.o midi.o audiocapture.o
screenshot.o -pthread -pthread -D_HAVE_FLUIDSYNTH_ -D_HAVE_X11_
libaudiobackend.a ../libsffile/libsffile.a -lguile -lgmp -lcrypt
/usr/lib/x86_64-linux-gnu/libltdl.so -lxml2 -lrsvg-2 -lfontconfig
-lsndfile -lsmf -lgtksourceview-3.0 -levview3 -levdocument3
-lgthread-2.0 -lrt -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0
-lgdk_pixbuf-2.0 /usr/lib/x86_64-linux-gnu/libcairo-gobject.so
-lpango-1.0 /usr/lib/x86_64-linux-gnu/libcairo.so -lgobject-2.0
-lglib-2.0 -lfluidsynth -lportaudio -lasound -lpthread
/usr/lib/libaubio.so -lfftw3 -lm -lportmidi -pthread
/usr/bin/ld: libaudiobackend.a(libaudiobackend_a-portmidibackend.o):
undefined reference to symbol 'Pt_Start'
/usr/bin/ld: note: 'Pt_Start' is defined in DSO
/usr/lib/libporttime.so.0 so try adding it to the linker command line
/usr/lib/libporttime.so.0: could not read symbols: Invalid operation
collect2: error: ld returned 1 exit status
make[3]: *** [denemo] Fehler 1
make[3]: Leaving directory `/home/src/denemo/src'
make[2]: *** [all-recursive] Fehler 1
make[2]: Leaving directory `/home/src/denemo'
make[1]: *** [all] Fehler 2
make[1]: Leaving directory `/home/src/denemo'
dh_auto_build: make -j1 returned exit code 2
make: *** [binary] Fehler 2

Manually inserting -lporttime into src/Makefile solves the problem. A
few days ago, it compiled without that issue (on the same system).

Andreas