Clang-3.3 on Debian Wheezy

[Tim Schmidt]

Good evening,

I tried to install the current version of clang-3.3 from:

deb http://llvm.org/apt/wheezy/ llvm-toolchain-wheezy main
deb-src http://llvm.org/apt/wheezy/ llvm-toolchain-wheezy main

Unfortunately I got an error:

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sudo aptitude install clang-3.3
The following NEW packages will be installed:
   clang-3.3{b}
0 packages upgraded, 1 newly installed, 0 to remove and 2 not upgraded.
Need to get 10.7 MB of archives. After unpacking 26.7 MB will be used.
The following packages have unmet dependencies:
  clang-3.3 : Depends: libgcc-4.7-dev which is a virtual package.
              Depends: libobjc-4.7-dev which is a virtual package.
The following actions will resolve these dependencies:

      Keep the following packages at their current version:
1)     clang-3.3 [Not Installed]

Accept this solution? [Y/n/q/?]
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If I type no, there will be no other solution.
My operating system is linux debian wheezy.

Can you fix this?

Cheers!

Tim