Enable glibc shared library support for zlib.

Enable glibc shared library support for zlib.

Add fPIC for shared builds.

Add default validation and translation steps
to build process.

BUG=https://code.google.com/p/chromium/issues/detail?id=168693&

Committed: https://code.google.com/p/naclports/source/detail?r=739

[Sam Clegg, 2013-04-23 21:19:39]

First step in getting shared library support in naclports.

[binji, 2013-04-23 22:08:59]

lgtm

https://codereview.chromium.org/14172016/diff/18001/build_tools/common.sh
File build_tools/common.sh (right):

https://codereview.chromium.org/14172016/diff/18001/build_tools/common.sh#new...
build_tools/common.sh:693: if [ ${NACL_ARCH} != "pnacl" -a -n "${EXECUTABLES:-}"
]; then
could validate the translated pexes, I suppose

https://codereview.chromium.org/14172016/diff/18001/examples/games/nethack/na...
File examples/games/nethack/nacl-nethack.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/games/nethack/na...
examples/games/nethack/nacl-nethack.sh:7: # nacl-nethack-343.sh
remove

https://codereview.chromium.org/14172016/diff/18001/examples/games/snes9x/nac...
File examples/games/snes9x/nacl-snes9x.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/games/snes9x/nac...
examples/games/snes9x/nacl-snes9x.sh:7: # nacl-snes-1.53.sh
remove

https://codereview.chromium.org/14172016/diff/18001/examples/graphics/xaos/na...
File examples/graphics/xaos/nacl-xaos.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/graphics/xaos/na...
examples/graphics/xaos/nacl-xaos.sh:7: # nacl-xaos.sh
remove

https://codereview.chromium.org/14172016/diff/18001/examples/systems/bochs/na...
File examples/systems/bochs/nacl-bochs.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/systems/bochs/na...
examples/systems/bochs/nacl-bochs.sh:7: # nacl-bochs.sh
remove

https://codereview.chromium.org/14172016/diff/18001/examples/systems/dosbox/n...
File examples/systems/dosbox/nacl-dosbox.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/systems/dosbox/n...
examples/systems/dosbox/nacl-dosbox.sh:7: # nacl-dosbox-0.74.sh
remove

https://codereview.chromium.org/14172016/diff/18001/libraries/yajl/nacl-yajl.sh
File libraries/yajl/nacl-yajl.sh (right):

https://codereview.chromium.org/14172016/diff/18001/libraries/yajl/nacl-yajl....
libraries/yajl/nacl-yajl.sh:7: # nacl-yajl.sh
remove

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib.sh
File libraries/zlib/nacl-zlib.sh (right):

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib....
libraries/zlib/nacl-zlib.sh:7: # nacl-zlib-1.2.3.sh
remove

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib....
libraries/zlib/nacl-zlib.sh:90: CustomConfigureStep shared
doesn't need to clean?

[Sam Clegg, 2013-04-26 21:34:52]

Committed patchset #4 manually as r739 (presubmit successful).

[Sam Clegg, 2013-04-26 23:28:10]

https://codereview.chromium.org/14172016/diff/18001/examples/games/nethack/na...
File examples/games/nethack/nacl-nethack.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/games/nethack/na...
examples/games/nethack/nacl-nethack.sh:7: # nacl-nethack-343.sh
On 2013/04/23 22:08:59, binji wrote:
> remove

Done.

https://codereview.chromium.org/14172016/diff/18001/examples/graphics/xaos/na...
File examples/graphics/xaos/nacl-xaos.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/graphics/xaos/na...
examples/graphics/xaos/nacl-xaos.sh:7: # nacl-xaos.sh
On 2013/04/23 22:08:59, binji wrote:
> remove

Done.

https://codereview.chromium.org/14172016/diff/18001/examples/systems/bochs/na...
File examples/systems/bochs/nacl-bochs.sh (right):

https://codereview.chromium.org/14172016/diff/18001/examples/systems/bochs/na...
examples/systems/bochs/nacl-bochs.sh:7: # nacl-bochs.sh
On 2013/04/23 22:08:59, binji wrote:
> remove

Done.

https://codereview.chromium.org/14172016/diff/18001/libraries/yajl/nacl-yajl.sh
File libraries/yajl/nacl-yajl.sh (right):

https://codereview.chromium.org/14172016/diff/18001/libraries/yajl/nacl-yajl....
libraries/yajl/nacl-yajl.sh:7: # nacl-yajl.sh
On 2013/04/23 22:08:59, binji wrote:
> remove

Done.

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib.sh
File libraries/zlib/nacl-zlib.sh (right):

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib....
libraries/zlib/nacl-zlib.sh:7: # nacl-zlib-1.2.3.sh
On 2013/04/23 22:08:59, binji wrote:
> remove

Done.

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib....
libraries/zlib/nacl-zlib.sh:7: # nacl-zlib-1.2.3.sh
On 2013/04/23 22:08:59, binji wrote:
> remove

Done.

https://codereview.chromium.org/14172016/diff/18001/libraries/zlib/nacl-zlib....
libraries/zlib/nacl-zlib.sh:90: CustomConfigureStep shared
On 2013/04/23 22:08:59, binji wrote:
> doesn't need to clean?

DefaultBuildStep always does a clean first.