I am trying to instal libiconv with MacPorts. I need to build it to run in OS X 10.5 while my Mac is running 10.6. So I added this like to macports.conf:

macosx_deployment_target 10.5

That supposedly force MacPorts to build the port with 10.5 SDK. However, the installed libraries still contain LC_DYLD_INFO load command which is available only in 10.6.

I reinstalled the port with -v option and find that it downloads and installs a pre-built package without compiling. The package obviously was built on a 10.6 machines.

The question is: how can I force MacPorts to built the port on my machine with my settings? Thanks.

Edit: I am building x86/x64 universal binaries with this command:

sudo port -v install libiconv +universal
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