title: cmake settings on snow leopard
body: <p>I am trying to compile my project on Snow Leopard using the same CMakeLists.txt file that I had on Leopard, however the compilation fails with the following error message:</p>
  
  <pre><code>   Linking C executable cmTryCompileExec
  
    "/Applications/CMake 2.6-4.app/Contents/bin/cmake" -E cmake_link_script
    CMakeFiles/cmTryCompileExec.dir/link.txt --verbose=1
  
    /Developer/usr/bin/gcc -Wl,-search_paths_first -headerpad_max_install_names
    -fPIC CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -o cmTryCompileExec
  
  
    ld: library not found for -lcrt1.10.5.o
  
    collect2: ld returned 1 exit status
  
    make[1]: *** [cmTryCompileExec] Error 1
  </code></pre>
  
  <p>It seems that the default behavior for cmake is to compile universal binaries on MACOSX, however Snow Leopard no longer supports universal binaries, and hence we get the above error. Is there a way to disable linking to -lcrt1.10.5.o when using cmake on a Mac to generate only Intel binaries?</p>