--- Makefile.orig	2013-02-25 13:07:10.000000000 -0600
+++ Makefile	2013-02-26 11:23:35.046032732 -0600
@@ -32,6 +32,8 @@
 
 MAN1=		netpbm.1
 
+OPTIONS_DEFINE=	X11 MANPAGES DOCS
+
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MX11}
@@ -42,6 +44,333 @@
 PLIST_SUB+=	X11='@comment '
 .endif
 
+.if ${PORT_OPTIONS:MMANPAGES}
+USE_PYTHON_BUILD=yes
+BUILD_DEPENDS+=	wget:${PORTSDIR}/ftp/wget
+# lifted from ${BUILD_WRKSRC}/buildtools/Makefile.manpage
+MAN1+= \
+	411toppm.1 \
+	anytopnm.1 \
+	asciitopgm.1 \
+	atktopbm.1 \
+	bioradtopgm.1 \
+	bmptopnm.1 \
+	bmptoppm.1 \
+	brushtopbm.1 \
+	cmuwmtopbm.1 \
+	ddbugtopbm.1 \
+	escp2topbm.1 \
+	eyuvtoppm.1 \
+	fiascotopnm.1 \
+	fitstopnm.1 \
+	fstopgm.1 \
+	g3topbm.1 \
+	gemtopbm.1 \
+	gemtopnm.1 \
+	giftopnm.1 \
+	gouldtoppm.1 \
+	hdifftopam.1 \
+	hipstopgm.1 \
+	hpcdtoppm.1 \
+	icontopbm.1 \
+	ilbmtoppm.1 \
+	imgtoppm.1 \
+	infotopam.1 \
+	jbigtopnm.1 \
+	jpeg2ktopam.1 \
+	jpegtopnm.1 \
+	leaftoppm.1 \
+	lispmtopgm.1 \
+	macptopbm.1 \
+	mdatopbm.1 \
+	mgrtopbm.1 \
+	mrf.1 \
+	mrftopbm.1 \
+	mtvtoppm.1 \
+	neotoppm.1 \
+	palmtopnm.1 \
+	pamarith.1 \
+	pamchannel.1 \
+	pamcomp.1 \
+	pamcut.1 \
+	pamdeinterlace.1 \
+	pamdice.1 \
+	pamditherbw.1 \
+	pamedge.1 \
+	pamendian.1 \
+	pamfile.1 \
+	pamflip.1 \
+	pamfunc.1 \
+	pamgauss.1 \
+	pamlookup.1 \
+	pamoil.1 \
+	pamperspective.1 \
+	pampop9.1 \
+	pamscale.1 \
+	pamseq.1 \
+	pamsharpmap.1 \
+	pamsharpness.1 \
+	pamslice.1 \
+	pamstack.1 \
+	pamstereogram.1 \
+	pamstretch-gen.1 \
+	pamstretch.1 \
+	pamsummcol.1 \
+	pamsumm.1 \
+	pamtodjvurle.1 \
+	pamtohdiff.1 \
+	pamtohtmltbl.1 \
+	pamtojpeg2k.1 \
+	pamtopfm.1 \
+	pamtopnm.1 \
+	pamtotga.1 \
+	pamtouil.1 \
+	pbmclean.1 \
+	pbmlife.1 \
+	pbmmake.1 \
+	pbmmask.1 \
+	pbmpage.1 \
+	pbmpscale.1 \
+	pbmreduce.1 \
+	pbmtext.1 \
+	pbmtextps.1 \
+	pbmto10x.1 \
+	pbmto4425.1 \
+	pbmtoascii.1 \
+	pbmtoatk.1 \
+	pbmtobbnbg.1 \
+	pbmtocmuwm.1 \
+	pbmtodjvurle.1 \
+	pbmtoepsi.1 \
+	pbmtoepson.1 \
+	pbmtoescp2.1 \
+	pbmtog3.1 \
+	pbmtogem.1 \
+	pbmtogo.1 \
+	pbmtoicon.1 \
+	pbmtolj.1 \
+	pbmtoln03.1 \
+	pbmtolps.1 \
+	pbmtomacp.1 \
+	pbmtomda.1 \
+	pbmtomgr.1 \
+	pbmtomrf.1 \
+	pbmtonokia.1 \
+	pbmtopgm.1 \
+	pbmtopi3.1 \
+	pbmtopk.1 \
+	pbmtoplot.1 \
+	pbmtoppa.1 \
+	pbmtopsg3.1 \
+	pbmtoptx.1 \
+	pbmtowbmp.1 \
+	pbmtox10bm.1 \
+	pbmtoxbm.1 \
+	pbmtoybm.1 \
+	pbmtozinc.1 \
+	pbmupc.1 \
+	pc1toppm.1 \
+	pcdovtoppm.1 \
+	pcxtoppm.1 \
+	pfmtopam.1 \
+	pgmabel.1 \
+	pgmbentley.1 \
+	pgmcrater.1 \
+	pgmedge.1 \
+	pgmenhance.1 \
+	pgmhist.1 \
+	pgmkernel.1 \
+	pgmminkowski.1 \
+	pgmmorphconv.1 \
+	pgmnoise.1 \
+	pgmnorm.1 \
+	pgmoil.1 \
+	pgmramp.1 \
+	pgmslice.1 \
+	pgmtexture.1 \
+	pgmtofs.1 \
+	pgmtolispm.1 \
+	pgmtopbm.1 \
+	pgmtopgm.1 \
+	pgmtoppm.1 \
+	pi1toppm.1 \
+	pi3topbm.1 \
+	picttoppm.1 \
+	pjtoppm.1 \
+	pktopbm.1 \
+	pngtopnm.1 \
+	pnmalias.1 \
+	pnmarith.1 \
+	pnmcat.1 \
+	pnmcolormap.1 \
+	pnmcomp.1 \
+	pnmconvol.1 \
+	pnmcrop.1 \
+	pnmcut.1 \
+	pnmdepth.1 \
+	pamenlarge.1 \
+	pnmfile.1 \
+	pnmgamma.1 \
+	pnmhisteq.1 \
+	pnmhistmap.1 \
+	pnmindex.1 \
+	pnminterp.1 \
+	pnminvert.1 \
+	pnmmargin.1 \
+	pnmmontage.1 \
+	pnmnlfilt.1 \
+	pnmnoraw.1 \
+	pnmnorm.1 \
+	pnmpad.1 \
+	pnmpaste.1 \
+	pnmpsnr.1 \
+	pnmquant.1 \
+	pnmremap.1 \
+	pnmrotate.1 \
+	pnmscalefixed.1 \
+	pnmscale.1 \
+	pnmshear.1 \
+	pnmsmooth.1 \
+	pnmsplit.1 \
+	pnmstitch.1 \
+	pnmtile.1 \
+	pnmtoddif.1 \
+	pnmtofiasco.1 \
+	pnmtofits.1 \
+	pnmtojbig.1 \
+	pnmtojpeg.1 \
+	pnmtopalm.1 \
+	pnmtopclxl.1 \
+	pnmtoplainpnm.1 \
+	pnmtopng.1 \
+	pnmtopnm.1 \
+	pnmtops.1 \
+	pnmtorast.1 \
+	pnmtorle.1 \
+	pnmtosgi.1 \
+	pnmtosir.1 \
+	pnmtotiffcmyk.1 \
+	pnmtotiff.1 \
+	pnmtoxwd.1 \
+	ppm3d.1 \
+	ppmbrighten.1 \
+	ppmchange.1 \
+	ppmcie.1 \
+	ppmcolormask.1 \
+	ppmdim.1 \
+	ppmdist.1 \
+	ppmdither.1 \
+	ppmfade.1 \
+	ppmflash.1 \
+	ppmforge.1 \
+	ppmglobe.1 \
+	ppmhist.1 \
+	ppmlabel.1 \
+	ppmmake.1 \
+	ppmmix.1 \
+	ppmnorm.1 \
+	ppmntsc.1 \
+	ppmpat.1 \
+	ppmquantall.1 \
+	ppmquant.1 \
+	ppmrainbow.1 \
+	ppmrelief.1 \
+	ppmrough.1 \
+	ppmshadow.1 \
+	ppmshift.1 \
+	ppmspread.1 \
+	ppmsvgalib.1 \
+	ppmtoacad.1 \
+	ppmtoarbtxt.1 \
+	ppmtobmp.1 \
+	ppmtoeyuv.1 \
+	ppmtogif.1 \
+	ppmtoicr.1 \
+	ppmtoilbm.1 \
+	ppmtojpeg.1 \
+	ppmtoleaf.1 \
+	ppmtolj.1 \
+	ppmtomitsu.1 \
+	ppmtompeg.1 \
+	ppmtoneo.1 \
+	ppmtopcx.1 \
+	ppmtopgm.1 \
+	ppmtopi1.1 \
+	ppmtopict.1 \
+	ppmtopj.1 \
+	ppmtopjxl.1 \
+	ppmtoppm.1 \
+	ppmtopuzz.1 \
+	ppmtorgb3.1 \
+	ppmtosixel.1 \
+	ppmtoterm.1 \
+	ppmtotga.1 \
+	ppmtouil.1 \
+	ppmtowinicon.1 \
+	ppmtoxpm.1 \
+	ppmtoyuv.1 \
+	ppmtoyuvsplit.1 \
+	ppmtv.1 \
+	ppmwheel.1 \
+	psidtopgm.1 \
+	pstopnm.1 \
+	qrttoppm.1 \
+	rasttopnm.1 \
+	rawtopgm.1 \
+	rawtoppm.1 \
+	rgb3toppm.1 \
+	rletopnm.1 \
+	sbigtopgm.1 \
+	sgitopnm.1 \
+	sirtopnm.1 \
+	sldtoppm.1 \
+	spctoppm.1 \
+	spottopgm.1 \
+	sputoppm.1 \
+	tgatoppm.1 \
+	thinkjettopbm.1 \
+	tifftopnm.1 \
+	vidtoppm.1 \
+	wbmptopbm.1 \
+	winicontoppm.1 \
+	xbmtopbm.1 \
+	ximtoppm.1 \
+	xpmtoppm.1 \
+	xvminitoppm.1 \
+	xwdtopnm.1 \
+	ybmtopbm.1 \
+	yuvsplittoppm.1 \
+	yuvtoppm.1 \
+	zeisstopnm.1 \
+
+MAN3 = \
+	libnetpbm.3 \
+	libnetpbm_image.3 \
+	libnetpbm_ug.3 \
+	libpbm.3 \
+	libpgm.3 \
+	libpm.3 \
+	libpnm.3 \
+	libppm.3 \
+	libsystem.3 \
+	libtmpfile.3 \
+
+MAN5 = \
+	extendedopacity.5 \
+	pam.5 \
+	pbm.5 \
+	pgm.5 \
+	pnm.5 \
+	ppm.5 \
+
+.if ${PORT_OPTIONS:MX11}
+MAN1+=	pamx.1
+.endif
+
+MANPAGES = $(MAN1) $(MAN3) $(MAN5)
+HTMLMANUALS = $(MAN1:.1=.html) $(MAN3:.3=.html) $(MAN5:.5=.html)
+.endif
+
 pre-configure:
 	@${REINPLACE_CMD} -e 's|%%PREFIX%%|${PREFIX}|g' \
 		-e 's|%%LOCALBASE%%|${LOCALBASE}|g' \
@@ -64,13 +393,35 @@
 	    fi; \
 	${FALSE}; \
 	fi)
-
+.if ${PORT_OPTIONS:MMANPAGES}
+	@${ECHO_MSG} "===>  Downloading and Generating man pages..."
+	@${MKDIR} ${BUILD_WRKSRC}/netpbmdoc
+	-@(cd ${BUILD_WRKSRC}/netpbmdoc; \
+	    wget --recursive --relative http://netpbm.sourceforge.net/doc/; \
+	    cd netpbm.sourceforge.net/doc; \
+	    ${PYTHON_CMD} ${BUILD_WRKSRC}/buildtools/makeman index.html ${HTMLMANUALS}; \
+	    mv index.1 netpbm.1; \
+	)
+.endif
+		
 post-install:
 	@${INSTALL_DATA} ${WRKSRC}/lib/util/pm_c_util.h ${PREFIX}/include/
 	@${ECHO_MSG} "===>  Installing man pages..."
+.if ${PORT_OPTIONS:MMANPAGES}
+.for i in ${MAN1}
+	${INSTALL_MAN} ${WRKSRC}/netpbmdoc/netpbm.sourceforge.net/doc/${i} ${MANPREFIX}/man/man1
+.endfor
+.for i in ${MAN3}
+	${INSTALL_MAN} ${WRKSRC}/netpbmdoc/netpbm.sourceforge.net/doc/${i} ${MANPREFIX}/man/man3
+.endfor
+.for i in ${MAN5}
+	${INSTALL_MAN} ${WRKSRC}/netpbmdoc/netpbm.sourceforge.net/doc/${i} ${MANPREFIX}/man/man5
+.endfor
+.else
 	@${REINPLACE_CMD} -e 's|doc/USERDOC|${DOCSDIR}/USERDOC|g' \
 		${WRKSRC}/doc/netpbm.1
 	${INSTALL_MAN} ${WRKSRC}/doc/netpbm.1 ${MANPREFIX}/man/man1
+.endif
 .if ${PORT_OPTIONS:MDOCS}
 	${MKDIR} ${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/doc/USERDOC ${DOCSDIR}/