bpm libgthread error

[Remington]

FreeBSD bsdbox 6.0-RELEASE FreeBSD 6.0-RELEASE #1: Sat Nov 19 15:12:19
PST 2005     root at bsdbox:/usr/obj/usr/src/sys/MACHINE  i386

My ports are all current as of 2 hours ago. I recently installed
sysutils/bpm, and on execution I receive: 

/libexec/ld-elf.so.1: /usr/local/lib/libgthread-2.0.so.0: Undefined
symbol "pthread_getschedparam"

Where is this error coming from, and how do I fix it?



-----------------------------
/usr/X11R6/bin/bpm:
        libintl.so.6 => /usr/local/lib/libintl.so.6 (0x28086000)
        libgtk-x11-2.0.so.0 => /usr/X11R6/lib/libgtk-x11-2.0.so.0
(0x2808f000)
        libgdk-x11-2.0.so.0 => /usr/X11R6/lib/libgdk-x11-2.0.so.0
(0x2837f000)
        libXrandr.so.2 => /usr/X11R6/lib/libXrandr.so.2 (0x28400000)
        libXi.so.6 => /usr/X11R6/lib/libXi.so.6 (0x28404000)
        libXinerama.so.1 => /usr/X11R6/lib/libXinerama.so.1 (0x2840c000)
        libatk-1.0.so.0 => /usr/local/lib/libatk-1.0.so.0 (0x2840f000)
        libgdk_pixbuf-2.0.so.0 => /usr/X11R6/lib/libgdk_pixbuf-2.0.so.0
(0x28428000)
        libpangocairo-1.0.so.0 => /usr/X11R6/lib/libpangocairo-1.0.so.0
(0x2843d000)
        libXcursor.so.1 => /usr/X11R6/lib/libXcursor.so.1 (0x28444000)
        libXfixes.so.3 => /usr/X11R6/lib/libXfixes.so.3 (0x2844d000)
        libcairo.so.2 => /usr/local/lib/libcairo.so.2 (0x28452000)
        libpangoft2-1.0.so.0 => /usr/X11R6/lib/libpangoft2-1.0.so.0
(0x284a4000)        libfontconfig.so.1
=> /usr/X11R6/lib/libfontconfig.so.1 (0x284ca000)
        libfreetype.so.9 => /usr/local/lib/libfreetype.so.9 (0x284f8000)
        libz.so.3 => /lib/libz.so.3 (0x28564000)
        libpango-1.0.so.0 => /usr/X11R6/lib/libpango-1.0.so.0
(0x28574000)
        libm.so.4 => /lib/libm.so.4 (0x285ab000)
        libXrender.so.1 => /usr/X11R6/lib/libXrender.so.1 (0x285c1000)
        libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x285c9000)
        libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x28694000)
        libgobject-2.0.so.0 => /usr/local/lib/libgobject-2.0.so.0
(0x286a2000)
        libgmodule-2.0.so.0 => /usr/local/lib/libgmodule-2.0.so.0
(0x286da000)
        libglib-2.0.so.0 => /usr/local/lib/libglib-2.0.so.0 (0x286de000)
        libiconv.so.3 => /usr/local/lib/libiconv.so.3 (0x28760000)
        libc.so.6 => /lib/libc.so.6 (0x2884e000)
        libpng.so.5 => /usr/local/lib/libpng.so.5 (0x28925000)
        libglitz.so.1 => /usr/local/lib/libglitz.so.1 (0x2894a000)
        libexpat.so.5 => /usr/local/lib/libexpat.so.5 (0x2896d000)


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