Hi Ben, First you'll need to initialize a darwinbuild directory. Since you're trying to build Security-222, I'm assuming you're targetting build 8A428 -- Mac OS X 10.4. After that, you can build the Security project. Use the following: # darwinbuild -init 8A428 # darwinbuild Security This will fail in the final link stage due to a few portions of the Security framework which are not open source. You can apply a patch to work around this problem. Use the following: # cd Sources # curl -O http://release.opendarwin.org/release/8.2.1/Sources/ Security-222.p1.patch # tar xzf Security-222.tar.gz # cd Security-222 # patch -p1 < ../Security-222.p1.patch # cd ../.. # darwinbuild Security If you want to make changes to the security project, you should make those changes in the Sources/Security-222 directory, and DarwinBuild will use the directory instead of the .tar.gz when building. However, keep in mind that the Security project is really just a wrapper around all the various libsecurity_ projects, and any source changes you want to make likely need to be done in one of those projects first, and then the Security project needs to be rebuilt, like so: [edit some project, for example Souces/libsecurity_keychain] # darwinbuild libsecurity_keychain # darwinbuild Security Hope this helps, Kevin On Nov 15, 2005, at 2:50 PM, Ben Zhu wrote:

Can anyone tell me how to build the security project?

I downloaded Security-222 and

Run under build root dir

darwinbuild Security 222

or go to Source/Security-222 dir to run

xcodebuild –buildstyle Darwin install

I cannot pass my build.

Any Suggestion?

Thanks,

Ben