x11/gtk2 is broken on NetBSD 3.99.10 i386:

[...]

gmake[4]: Entering directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.8.7/gdk-pixbuf'
/bin/sh ../libtool --mode=link cc  -O2 -pthread -I/usr/pkg/include -I/usr/include -DGLX_GLXEXT_LEGACY -I/usr/pkg/include/freetype2 -I/usr/X11R6/include -Wall  -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib -L/usr/X11R6/lib -pthread -Wl,-R/usr/X11R6/lib -o gdk-pixbuf-query-loaders  queryloaders.o libgdk_pixbuf-2.0.la __PTHREAD_FLAGS__ 
cc -O2 -pthread -I/usr/pkgsrc/x11/gtk2/work/.buildlink/include -DGLX_GLXEXT_LEGACY -I/usr/pkgsrc/x11/gtk2/work/.buildlink/include/freetype2 -I/usr/pkgsrc/x11/gtk2/work/.x11-buildlink/include -Wall -Wl,-R/usr/pkg/lib -pthread -Wl,-R/usr/X11R6/lib -o .libs/gdk-pixbuf-query-loaders queryloaders.o __PTHREAD_FLAGS__  -L/usr/pkgsrc/x11/gtk2/work/.buildlink/lib -L/usr/pkgsrc/x11/gtk2/work/.x11-buildlink/lib ./.libs/libgdk_pixbuf-2.0.so /usr/pkgsrc/x11/gtk2/work/.buildlink/lib/libgmodule-2.0.so /usr/pkgsrc/x11/gtk2/work/.buildlink/lib/libgobject-2.0.so /usr/pkgsrc/x11/gtk2/work/.buildlink/lib/libglib-2.0.so -lintl -lm -Wl,--rpath -Wl,/usr/pkg/lib -Wl,--rpath -Wl,/usr/pkgsrc/x11/gtk2/work/.buildlink/lib
gcc: __PTHREAD_FLAGS__: No such file or directory
gmake[4]: *** [gdk-pixbuf-query-loaders] Error 1
gmake[4]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.8.7/gdk-pixbuf'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.8.7/gdk-pixbuf'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.8.7/gdk-pixbuf'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.8.7'
gmake: *** [all] Error 2
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/x11/gtk2
===> 
===> There was an error during the ``build'' phase.
===> Please investigate the following for more information:
===>      * log of the build
===>      * /usr/pkgsrc/x11/gtk2/work/.work.log
===> 
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/x11/gtk2
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/x11/gtk2
spock#

	rvdp