configure: Add probe identification of MS armasm

Signed-off-by: Martin Storsjö <martin@martin.st>
configure: Enable gas-preprocessor on all OSes but only if available

Signed-off-by: Martin Storsjö <martin@martin.st>
configure: Suggest upgrading gas-preprocessor instead of just installing

Older versions don't support all the features we test for now.

Signed-off-by: Martin Storsjö <martin@martin.st>
Prepare for 11_alpha2 Release
mpegts: Return proper error code on invalid input data

Signed-off-by: Diego Biurrun <diego@biurrun.de>
lavc: drop the av_fast_{re,m}alloc compatibility wrappers

They were only needed until the bump.
Merge commit 'f4312352fc52cc47c1ba398a33f629d32a737e91'

* commit 'f4312352fc52cc47c1ba398a33f629d32a737e91':
  configure: Add probe identification of MS armasm

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '9f8cf50e3be04b8e178086edaa4598826143303d'

* commit '9f8cf50e3be04b8e178086edaa4598826143303d':
  configure: Enable gas-preprocessor on all OSes but only if available

Conflicts:
	configure

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ab0742d2f34d70415620441b7ed7da2f03a0c14f'

* commit 'ab0742d2f34d70415620441b7ed7da2f03a0c14f':
  configure: Suggest upgrading gas-preprocessor instead of just installing

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '59cc0812207e3c2e2f2e559d60d0a8f9296a8847'

* commit '59cc0812207e3c2e2f2e559d60d0a8f9296a8847':
  Prepare for 11_alpha2 Release

Conflicts:
	RELEASE

Not merged, as our release numbers differ

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '8dca0877e3e1457e9ec79ffa1ead1135aabb791c'

* commit '8dca0877e3e1457e9ec79ffa1ead1135aabb791c':
  mpegts: Return proper error code on invalid input data

Conflicts:
	libavformat/mpegtsenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'd63443b9684fa7b3e086634f7b44b203b6d9221e'

* commit 'd63443b9684fa7b3e086634f7b44b203b6d9221e':
  lavc: drop the av_fast_{re,m}alloc compatibility wrappers

Conflicts:
	libavcodec/utils.c

See: a973e01501bc3ca5c61d778f97f350837d4ed481
Merged-by: Michael Niedermayer <michaelni@gmx.at>
avformat/movenc: check that reel_name length doesn't exceed UINT16_MAX

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>