View the most recent changes for the m68k-elf-binutils port at: m68k-elf-binutils.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for m68k-elf-binutils.
The raw portfile for m68k-elf-binutils 2.17 is located here:
http://m68k-elf-binutils.darwinports.com/dports/cross/m68k-elf-binutils/Portfile
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The m68k-elf-binutils Portfile 57375 2009-09-10 08:16:41Z ryandesign macports.org $

PortSystem 1.0
Name: m68k-elf-binutils
Version: 2.17

# Parameters for this port.
set crossgcc-target m68k-elf

Description: FSF Binutils for m68k-elf cross development
Long Description: Free Software Foundation development toolchain ("binutils") for m68k-elf cross development.
Platform: darwin
Category: cross devel
Maintainers: kallisys.net:pguyot
Homepage: http://www.gnu.org/software/binutils/binutils.html
Master Sites: gnu:binutils
distname binutils-${version}
use_bzip2 yes
Checksums: md5 e26e2e06b6e4bf3acf1dc8688a94c0d1 sha1 a557686eef68362ea31a3aa41ce274e3eeae1ef0 rmd160 3995d7ed97f115e76ce55b4c1f5256d53559c84f

# All cross ports violate the mtree layout.
destroot.violate_mtree yes

# Download everything to binutils/
dist_subdir binutils

# Build in a different directory, as advised in the README file.
pre-configure { system "cd ${workpath} && mkdir -p build"}
configure.dir ${workpath}/build
configure.cmd ${worksrcpath}/configure
configure.cc "cc -no-cpp-precomp"
configure.args --infodir='${prefix}/share/info' --target=${crossgcc-target} --program-prefix=${crossgcc-target}- --mandir='${prefix}/share/man'
build.dir ${workpath}/build

# We don't want the etc module.
post-extract {
system "rm -rf ${worksrcpath}/etc"
}

patch {
namespace eval crossgcc {}

# Fix the info pages and related stuff.
#
# path: path to the doc directory (e.g. gas/doc/)
# makefile: path to Makefile.in (e.g. gas/doc/Makefile.in)
# name: name of the info page (e.g. as)
# suffix: suffix of the souce page (texinfo or texi)
proc crossgcc::fixinfo { path makefile name suffix } {
global crossgcc-target worksrcpath

# Fix the source
reinplace "s|setfilename ${name}.info|setfilename ${crossgcc-target}-${name}.info|g" ${worksrcpath}/${path}/${name}.${suffix}
reinplace "s|(${name})|(${crossgcc-target}-${name})|g" ${worksrcpath}/${path}/${name}.${suffix}
reinplace "s| file{${name}}| file{${crossgcc-target}-${name}}|g" ${worksrcpath}/${path}/${name}.${suffix}

# Fix the Makefile
reinplace "s|${name}.info|${crossgcc-target}-${name}.info|g" ${worksrcpath}/${makefile}
reinplace "s|${name}.${suffix}|${crossgcc-target}-${name}.${suffix}|g" ${worksrcpath}/${makefile}

# Rename the source
file rename ${worksrcpath}/${path}/${name}.${suffix} ${worksrcpath}/${path}/${crossgcc-target}-${name}.${suffix}

# Fix install-info's dir.
# (note: this may be effectless if there was no info dir to be fixed)
reinplace "s|--info-dir=\$(DESTDIR)\$(infodir)|--dir-file=\$(DESTDIR)\$(infodir)/${crossgcc-target}-dir|g" "${worksrcpath}/${makefile}"
}

# Fix the gettext files and related stuff.
#
# module: name of the module (e.g. gas)
proc crossgcc::fixgettext { module } {
global crossgcc-target worksrcpath

if { [ file exists "${worksrcpath}/${module}/Makefile.in" ] } {
reinplace "s| PACKAGE |${crossgcc-target}- PACKAGE |g" "${worksrcpath}/${module}/Makefile.in"
}
if { [ file exists "${worksrcpath}/${module}/doc/Makefile.in" ] } {
reinplace "s| PACKAGE |${crossgcc-target}- PACKAGE |g" "${worksrcpath}/${module}/doc/Makefile.in"
}
if { [ file exists "${worksrcpath}/${module}/po/Make-in" ] } {
reinplace "s| PACKAGE |${crossgcc-target}- PACKAGE |g" "${worksrcpath}/${module}/po/Make-in"
}
}

# gas/doc/as.texinfo
crossgcc::fixinfo gas/doc/ gas/doc/Makefile.in as texinfo

# bfd/doc/bfd.texinfo
crossgcc::fixinfo bfd/doc/ bfd/doc/Makefile.in bfd texinfo

# binutils/doc/binutils.texi
crossgcc::fixinfo binutils/doc/ binutils/doc/Makefile.in binutils texi

# gprof/gprof.texi
crossgcc::fixinfo gprof/ gprof/Makefile.in gprof texi

# ld/ld.texinfo
crossgcc::fixinfo ld/ ld/Makefile.in ld texinfo

# gettext stuff.
crossgcc::fixgettext bfd
crossgcc::fixgettext binutils
crossgcc::fixgettext gas
crossgcc::fixgettext gprof
crossgcc::fixgettext ld
crossgcc::fixgettext opcodes
}

post-destroot {
# Installing (host) libiberty was a mistake.
file delete "${destroot}/${prefix}/lib/libiberty.a"
}

livecheck.type freshmeat
livecheck.name binutils

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/m68k-elf-binutils
%  sudo port install m68k-elf-binutils  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching m68k-elf-binutils
--->  Verifying checksum for m68k-elf-binutils
--->  Extracting m68k-elf-binutils
--->  Configuring m68k-elf-binutils
--->  Building m68k-elf-binutils with target all

--->  Staging m68k-elf-binutils into destroot

--->  Installing m68k-elf-binutils

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using m68k-elf-binutils with these commands:

%  man m68k-elf-binutils
%  apropos m68k-elf-binutils
%  which m68k-elf-binutils
%  locate m68k-elf-binutils

 Where to find more information: