gcc --version

sudo rm /usr/bin/gcc /usr/bin/cc
sudo ln /usr/bin/gcc-4.0 /usr/bin/gcc
sudo ln /usr/bin/gcc-4.0 /usr/bin/cc

sudo port install jpeg
sudo port install libpng
sudo port install libwmf
sudo port install freetype
sudo port install ghostscript

freetype-config –cflags

-I/opt/local/include/freetype2 -I/opt/local/include

-I/usr/X11R6/include -I/usr/X11R6/include/freetype2

tar xvzf ImageMagick.tar.gz
cd ImageMagick-X.Y.Z

tar xvzf GraphicsMagick-LATEST.tar.gz
cd GraphicsMagick-X.Y.Z

export CPPFLAGS=-I/opt/local/include
export LDFLAGS=-L/opt/local/lib
./configure --prefix=/opt/local --disable-static --with-modules --without-perl \
   --without-magick-plus-plus --with-quantum-depth=8 \
   --with-gs-font-dir=/opt/local/share/ghostscript/fonts

ImageMagick is configured as follows. Please verify that this configuration
matches your expectations.

Host system type : powerpc-apple-darwin8.0.0

                  Option                        Value
-------------------------------------------------------------------------
Shared libraries  --enable-shared=yes           yes
Static libraries  --enable-static=no            no
Module support    --with-modules=yes            yes
GNU ld            --with-gnu-ld=no              no
Quantum depth     --with-quantum-depth=8        8

Delegate Configuration:
BZLIB             --with-bzlib=yes              yes
DJVU              --with-djvu=yes               no
DPS               --with-dps=yes                no (failed tests)
FlashPIX          --with-fpx=no                 no
FontConfig        --with-fontconfig=yes         no
FreeType          --with-freetype=yes           yes
GhostPCL          None                          pcl6 (unknown)
Ghostscript       None                          gs (8.54)
Ghostscript fonts --with-gs-font-dir=/opt/local/share/ghostscript/fonts/        /opt/local/share/ghostscript/fonts//
Ghostscript lib   --with-gslib=yes              no
Graphviz          --with-gvc=yes                no
JBIG              --with-jbig=yes               no
JPEG v1           --with-jpeg=yes               yes
JPEG-2000         --with-jp2=yes                no
LCMS              --with-lcms=yes               no
Magick++          --with-magick-plus-plus=no    no
PERL              --with-perl=no                no
PNG               --with-png=yes                yes
RSVG              --with-rsvg=yes               no
TIFF              --with-tiff=yes               no
Windows fonts     --with-windows-font-dir=      none
WMF               --with-wmf=yes                yes
X11               --with-x=                     yes
XML               --with-xml=yes                yes
ZLIB              --with-zlib=yes               yes

X11 Configuration:
  X_CFLAGS     =
  X_PRE_LIBS   = -lSM -lICE
  X_LIBS       = -L/usr/X11R6/lib
  X_EXTRA_LIBS =

Options used to compile and link:
  PREFIX      = /opt/local
  EXEC-PREFIX = /opt/local
  VERSION     = X.Y.Z
  CC          = gcc
  CFLAGS      = -g -O2 -Wall -W -D_THREAD_SAFE
  CPPFLAGS    = -I/opt/local/include
  PCFLAGS     =
  DEFS        = -DHAVE_CONFIG_H
  LDFLAGS     = -L/opt/local/lib -L/usr/X11R6/lib -L/opt/local/lib -lfreetype -lz
  LIBS        = -lMagick -lfreetype -ljpeg -lXext -lSM -lICE -lX11 -lXt -lbz2 -lz -lpthread -lm -lpthread
  CXX         = CC
  CXXFLAGS    = -g -O2 -Wall -W -D_THREAD_SAFE

make
sudo make install

sudo gem install rmagick

Bulk updating Gem source index for: http://gems.rubyforge.org
Building native extensions. This could take a while…
Successfully installed rmagick-X.Y.Z

$ irb -rubygems -r RMagick
irb(main):001:0> puts Magick::Long_version
This is RMagick 1.15.3 ($Date: 2007/01/20 15:45:29 $) Copyright (C) 2007 by Timothy P. Hunter
Built with ImageMagick 6.3.2 02/23/07 Q8 http://www.imagemagick.org
Built for ruby 1.8.5 (2006-12-25 patchlevel 12) [powerpc-darwin8.0.0]
Web page: http://rmagick.rubyforge.org
Email: rmagick@rubyforge.org
=> nil

tar xvzf RMagick-X.Y.Z.tar.gz
cd RMagick-X.Y.Z

./configure

make

sudo make install