Time Machine filesystem

[Suvayu Ali]

On Sun, Sep 27, 2015 at 06:31:22PM +0100, Patrick O'Callaghan wrote:
> 
> There's a project on github to deal with this: 
> https://github.com/abique/tmfs and I've made some progress in compiling
> it under Fedora (basically installing C++ and the devel packages for
> Boost and Fuse), however at the last make step I get this:
> 
> $ make
> 
> [ 12%] Linking CXX executable tmfs
> /usr/bin/ld: CMakeFiles/tmfs.dir/src/main.cc.o: undefined reference to symbol '__cxa_call_unexpected@@CXXABI_1.3'
> /usr/lib64/libstdc++.so.6: error adding symbols: DSO missing from command line
> collect2: error: ld returned 1 exit status
> CMakeFiles/tmfs.dir/build.make:226: recipe for target 'tmfs' failed
> make[2]: *** [tmfs] Error 1
> CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/tmfs.dir/all' failed
> make[1]: *** [CMakeFiles/tmfs.dir/all] Error 2
> Makefile:127: recipe for target 'all' failed
> 
> I'm guessing a library must be missing, but which one?

Hmm, this was pretty trivial for me:

  $ git clone git at github.com:abique/tmfs.git
  Cloning into 'tmfs'...
  remote: Counting objects: 161, done.
  remote: Total 161 (delta 0), reused 0 (delta 0), pack-reused 161
  Receiving objects: 100% (161/161), 38.38 KiB | 0 bytes/s, done.
  Resolving deltas: 100% (74/74), done.
  Checking connectivity... done.
  $ cd tmfs/
  $ ls
  AUTHORS  ChangeLog  CMakeLists.txt  LICENSE  README.markdown  src
  $ mkdir _build
  $ cd _build
  $ cmake ..
  -- The CXX compiler identification is GNU 5.1.1
  -- Check for working CXX compiler: /usr/lib64/ccache/c++
  -- Check for working CXX compiler: /usr/lib64/ccache/c++ -- works
  -- Detecting CXX compiler ABI info
  -- Detecting CXX compiler ABI info - done
  -- Detecting CXX compile features
  -- Detecting CXX compile features - done
  -- Boost version: 1.57.0
  -- Found the following Boost libraries:
  --   system
  --   filesystem
  -- Found PkgConfig: /usr/bin/pkg-config (found version "0.28") 
  -- checking for module 'fuse'
  --   found fuse, version 2.9.4
  -- Configuring done
  -- Generating done
  -- Build files have been written to: /home/jallad/build/tmfs/_build
  $ make 
  Scanning dependencies of target tmfs
  [ 14%] Building CXX object CMakeFiles/tmfs.dir/src/main.cc.o
  [ 28%] Building CXX object CMakeFiles/tmfs.dir/src/readdir.cc.o
  [ 42%] Building CXX object CMakeFiles/tmfs.dir/src/read.cc.o
  [ 57%] Building CXX object CMakeFiles/tmfs.dir/src/readlink.cc.o
  [ 71%] Building CXX object CMakeFiles/tmfs.dir/src/getattr.cc.o
  [ 85%] Building CXX object CMakeFiles/tmfs.dir/src/get_real_path.cc.o
  [100%] Linking CXX executable tmfs
  [100%] Built target tmfs

I think these are the only packages you need:
- gcc-c++
- cmake
- boost-filesystem
- fuse-devel

Hope this helps,

-- 
Suvayu

Open source is the future. It sets us free.