View the most recent changes for the arm-apple-darwin-binutils port at: arm-apple-darwin-binutils.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for arm-apple-darwin-binutils.
The raw portfile for arm-apple-darwin-binutils r118 is located here:
http://arm-apple-darwin-binutils.darwinports.com/dports/cross/arm-apple-darwin-binutils/Portfile
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The arm-apple-darwin-binutils Portfile 50980 2009-05-14 19:41:55Z and.damore macports.org $

PortSystem 1.0
Name: arm-apple-darwin-binutils
Version: r118
Revision: 2
Category: cross iphone
Maintainers: landonf openmaintainer
Description: Binutils for arm-apple-darwin (iPhone) cross development
Long Description: ${description}

Homepage: http://developer.berlios.de/projects/iphone-binutils/
Platform: darwin

Master Sites: http://landonf.bikemonkey.org/static/iphone/
distname iphone-binutils-${version}
Checksums: md5 111b11f80fe535b3beb3d40633962f3b

depends_build port:Libstreams

Patch Files: patch-Makefile.in patch-libtool-driver

set iphone_prefix ${prefix}/arm-apple-darwin

configure.args --prefix=${iphone_prefix} --with-heavenly=${iphone_prefix}/heavenly

build.args DESTDIR=${destroot} USE_DEPENDENCY_FILE=NO

# Work-around the experimental destroot validation
destroot.violate_mtree yes

post-patch {
# remove the Makedep file which is preventing compilation on Leopard
# it's useless anyway as this is a one-shot build
delete ${worksrcpath}/cctools/cbtlibs/Makedep
}

pre-configure {
if {![file exists ${iphone_prefix}/heavenly/usr/lib/dyld]} {
return -code error "Heavenly (the iPhone installation disk image) must be manually copied to ${iphone_prefix}/heavenly before building this port: sudo mkdir -p ${iphone_prefix}/heavenly && sudo cp -Rn ${iphone_prefix}"
}
}

pre-build {
file mkdir ${destroot}/${iphone_prefix}/bin
file copy ${prefix}/include/streams ${worksrcpath}/cctools/include/streams
}

destroot {
# Install missing binaries
xinstall -m 755 ${worksrcpath}/cctools/ar/ar.NEW ${destroot}/${iphone_prefix}/bin/arm-apple-darwin-ar
system "cd ${destroot}/${iphone_prefix}/bin && ln -s arm-apple-darwin-libtool arm-apple-darwin-ranlib"

# Make the binaries externally visible.
system "cd ${destroot}${prefix}/bin && ln -s ${iphone_prefix}/bin/arm-apple-darwin-ld ./"
system "cd ${destroot}${prefix}/bin && ln -s ${iphone_prefix}/bin/arm-apple-darwin-as ./"
system "cd ${destroot}${prefix}/bin && ln -s ${iphone_prefix}/bin/arm-apple-darwin-ar ./"
system "cd ${destroot}${prefix}/bin && ln -s ${iphone_prefix}/bin/arm-apple-darwin-libtool ./"
system "cd ${destroot}${prefix}/bin && ln -s ${iphone_prefix}/bin/arm-apple-darwin-ranlib ./"

# Set up non-prefixed binaries in the iphone bin directory
system "cd ${destroot}/${iphone_prefix}/bin && ln -s arm-apple-darwin-ld ld"
system "cd ${destroot}/${iphone_prefix}/bin && ln -s arm-apple-darwin-as as"
system "cd ${destroot}/${iphone_prefix}/bin && ln -s arm-apple-darwin-ar ar"
system "cd ${destroot}/${iphone_prefix}/bin && ln -s arm-apple-darwin-libtool libtool"
}

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/arm-apple-darwin-binutils
%  sudo port install arm-apple-darwin-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 arm-apple-darwin-binutils
--->  Verifying checksum for arm-apple-darwin-binutils
--->  Extracting arm-apple-darwin-binutils
--->  Configuring arm-apple-darwin-binutils
--->  Building arm-apple-darwin-binutils with target all

--->  Staging arm-apple-darwin-binutils into destroot

--->  Installing arm-apple-darwin-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 arm-apple-darwin-binutils with these commands:

%  man arm-apple-darwin-binutils
%  apropos arm-apple-darwin-binutils
%  which arm-apple-darwin-binutils
%  locate arm-apple-darwin-binutils

 Where to find more information: