libsdl_image-framework fails to build (no SDK MacOSX10.4u.sdk)

[steven@…]

$ sudo port install -d libsdl_image-framework
--->  Computing dependencies for libsdl_image-framework
--->  Building libsdl_image-framework
Error: Target org.macports.build returned: shell command "cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.7" && xcodebuild -project "Xcode/SDL_image.xcodeproj" -target "Framework" -configuration Deployment build OBJROOT=build/ SYMROOT=build/ MACOSX_DEPLOYMENT_TARGET=10.6 ARCHS=x86_64 SDKROOT= ARCHS=i386" returned error 1
Command output: 
=== BUILD NATIVE TARGET Framework OF PROJECT SDL_image WITH CONFIGURATION Deployment ===
Check dependencies
error: There is no SDK with the name or path '/Developer/SDKs/MacOSX10.4u.sdk'
[BEROR]error: There is no SDK with the name or path '/Developer/SDKs/MacOSX10.4u.sdk'
** BUILD FAILED **


Error: Status 1 encountered during processing.
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[jmroot (Joshua Root)]

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