Compile error

[Trakman]

How can I fix this?



root at us:/usr/ports/x11-toolkits/gtk20# make install clean
===>  Building for gtk-2.6.8
make  all-recursive
Making all in po
Making all in po-properties
Making all in gdk-pixbuf
make  all-recursive
Making all in pixops
/bin/sh /usr/local/bin/libtool15 --mode=link 
cc  -O -pipe -mcpu=pentiumpro -Wall   -L/usr/local/lib -L/usr/X11R6/lib -o 
timescale  timescale.o 
libpixops.la -L/usr/local/lib -lglib-2.0 -liconv -lgobject-2.0 -lgmodule-2.0 
 -lgthread-2.0 -lc_r -lm -lintl
cc -O -pipe -mcpu=pentiumpro -Wall -o timescale 
imescale.o  -L/usr/local/lib -L/usr/X11R6/lib 
./.libs/libpixops.a -lglib-2.0 -liconv -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 
 -lm -lintl
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_attr_destroy'
/usr/local/lib/libgthread-2.0.so: undefined reference to `pthread_create'
/usr/local/lib/libgthread-2.0.so: undefined reference to `pthread_attr_init'
/usr/local/lib/libgthread-2.0.so: undefined reference to `pthread_exit'
/usr/local/lib/libgthread-2.0.so: undefined reference to `pthread_equal'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_getschedparam'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_attr_setscope'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_setschedparam'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_attr_setstacksize'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_attr_setschedparam'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_attr_setdetachstate'
/usr/local/lib/libgthread-2.0.so: undefined reference to `pthread_join'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_cond_timedwait'
/usr/local/lib/libgthread-2.0.so: undefined reference to 
`pthread_attr_getschedparam'
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.6.8/gdk-pixbuf/pixops.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.6.8/gdk-pixbuf.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.6.8/gdk-pixbuf.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.6.8.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20/work/gtk+-2.6.8.
*** Error code 1

Stop in /usr/ports/x11-toolkits/gtk20.