error building pkgsrc/graphics/netpbm on OS X

        ...
        /usr/bin/gnumake -C util/ -f 
/Users/feyrer/work/NetBSD/cvs/pkgsrc/graphics/netpbm/work.mini/netpbm-10.35.80/lib/util/Makefile
 \

        SRCDIR=/Users/feyrer/work/NetBSD/cvs/pkgsrc/graphics/netpbm/work
        .mini/netpbm-10.35.80
        BUILDDIR=/Users/feyrer/work/NetBSD/cvs/pkgsrc/graphics/net
        pbm/work.mini/netpbm-10.35.80 shhopt.o
        gcc -c -I
        /Users/feyrer/work/NetBSD/cvs/pkgsrc/graphics/netpbm/work.mini/netpbm-
        10.35.80 -I
        /Users/feyrer/work/NetBSD/cvs/pkgsrc/graphics/netpbm/work.mini/netpb
        m-10.35.80/lib/util/.. -DNDEBUG -pipe -O2 -I/Volumes/pkgsrc5/pkg/include
        -I/usr/
        include -fno-common \
                    -o shhopt.o shhopt.c
        In file included from shhopt.c:32:
        mallocvar.h:13:23: error: pm_config.h: No such file or directory
        In file included from shhopt.c:33:
        nstring.h:8:58: error: pm.h: No such file or directory
        In file included from shhopt.c:33:
        nstring.h: In function 'snprintfN':
        nstring.h:123: error: expected declaration specifiers before
        'PM_GNU_PRINTF_ATTR
        '
        nstring.h:135: error: expected '=', ',', ';', 'asm' or '__attribute__'
        before 'PM_GNU_PRINTF_ATTR'

        ...
        gnumake[2]: *** [shhopt.o] Error 1
        gnumake[1]: *** [util/shhopt.o] Error 2
        gnumake: *** [lib/all] Error 2
        *** Error code 2

How do I fix this?


 - Hubert