Releace candidate 2.9.0-rc

[Diana Chen]

Hi, 

Release branch `release_29' for 2.9 release candidate is out!  Please refer to the ChangeLog for detailed information. We're now working on further testing. Please let us know if you encounter any bug. Bug report or patches are welcome! :) 

https://code.google.com/p/mclinker/source/list?name=release_29

2014-11-24 Diana Chen <mys...@gmail.com>

  * Executive Summary:

  1. Migrate to LLVM 3.6svn.

  2. Refine coding style.

  3. Support debug string de-duplication to reduce the outputs' code size.

  * Command Line Options and Building System:

  1. Simplify software versioning to `MAJOR.MINOR.MICRO-BUILD'.

  2. Build with `-Werror' enabled by default.

  3. Statically link utils/zlib/crc32 if zlib is not specified when building.

  4. Support GNU emulation argument for MIPS64.

  5. Support `-v/-Version'.

  * Linker Script:

  1. Support INPUT command.

  * Coding Style:

  1. Steadily switch to Google C++ style.

  2. Switch to LLVM coding style for include style.

  3. Support `make cpplint' for style check.

  * Debug string De-duplication:

  1. Merge strings in .debug_str sections when linking for executables or shared

     objects.

  2. Addc class DebugString and MergedStringTable.

  3. Add Relocator::getDebugStringOffset and Relocator::applyDebugStringOffset

     to correct the offset after debug strings have been merged.

  4. Identify DebugString as a kind of data in LDSection.

  * Target Backends:

  1. Support special sections those end with .rel.ro suffix as RELRO.

Thanks,

Diana