audio/arts won't build

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

This is amd64-current (about a month old), up-to-date pkgsrc HEAD

gmake[2]: Entering directory `/usr/pkgsrc/audio/arts/work/arts-1.5.10/mcop_mt'
/bin/sh ../libtool --silent --tag=CXX   --mode=compile c++ -DHAVE_CONFIG_H -I. 
-I.. -I../mcop -I../artsc -I../mcop -I../mcop -I../flow -I../flow 
-I/usr/pkg/include -I/usr/pkg/qt3/include -I/usr/pkg/include  
-I/usr/pkg/include -I/usr/pkg/include -I../libltdl  -DQT_THREAD_SUPPORT 
-I/usr/pkg/include -I/usr/pkg/qt3/include -I/usr/include 
-I/usr/pkg/include/freetype2 -pthread -I/usr/pkg/include/glib/glib-2.0 
-I/usr/pkg/lib/glib-2.0/include    -Wno-long-long -Wundef -Wall -W 
-Wpointer-arith -DNDEBUG -DNO_DEBUG -O2 -O2 -I/usr/pkg/include 
-I/usr/pkg/qt3/include -I/usr/include -I/usr/pkg/include/freetype2 
-Wno-non-virtual-dtor -fno-exceptions -fno-check-new -fno-common  
-ftemplate-depth-99  -MT threads_posix.lo -MD -MP -MF .deps/threads_posix.Tpo 
-c -o threads_posix.lo threads_posix.cc
threads_posix.cc:332: warning: unused parameter 'priority'
threads_posix.cc: In function 'void 
Arts::PosixThreads::pth_rec_cond_wait_timed(Arts::PosixThreads::GslCond*, 
Arts::PosixThreads::GslMutex*, Arts::PosixThreads::gulong, 
Arts::PosixThreads::gulong)':
threads_posix.cc:507: error: aggregate 'Arts::PosixThreads::timespec abstime' 
has incomplete type and cannot be defined
gmake[2]: *** [threads_posix.lo] Error 1
gmake[2]: Leaving directory `/usr/pkgsrc/audio/arts/work/arts-1.5.10/mcop_mt'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/pkgsrc/audio/arts/work/arts-1.5.10'
gmake: *** [all] Error 2
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/audio/arts
*** Error code 1



                --Steve Bellovin, http://www.cs.columbia.edu/~smb