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Related to issue #17 and #20.

Marvin Scholz authored Sep 23, 2018 and Jean-Baptiste Kempf committed Sep 24, 2018

Define `_POSIX_C_SOURCE` to `200112L`, to indicate we want to use
POSIX.1–2001. Additionally remove incorrect definition of
`POSIX_C_SOURCE` (note the lack of underscore at the beginning).
The intention was probably to define `_POSIX_C_SOURCE` which would be
redundant and previously even conflicting with the other version set
previously.
For the has_function check, use the correct value of `200112L`.

Marvin Scholz authored Sep 23, 2018 and Jean-Baptiste Kempf committed Sep 24, 2018

- _REENTRANT and _THREAD_SAFE were taken from the VLC build system
  and have since been removed there, so it seems safe to remove those
  here as well.
- _POSIX_PTHREAD_SEMANTICS is required for POSIX thread flavor of
  threading functions but instead we can define _POSIX_C_SOURCE to a
  value higher than 199506L, when including <pthread.h>, see
  https://docs.oracle.com/cd/E19455-01/806-5257/compile-3/index.html
- __EXTENSIONS__ is used to enable Solaris extensions, as far as I
  know we are not using any.
- _FILE_OFFSET_BITS is already defined to 64 by meson.
- _ISOC99_SOURCE should not be required as we do not support compiling
  with -std c89.
- _ISOC11_SOURCE should not be required as we set -std c11, so we do
  not need any C11 extensions to C99 as we already use C11.
- _POSIX_SOURCE is not required as we already set _POSIX_C_SOURCE to
  a positive integer.
* _XOPEN_SOURCE should not be needed as we already have
  _POSIX_C_SOURCE.
* _XOPEN_SOURCE_EXTENDED should not be required as we do not need any
  X/Open Unix extensions to my knowledge.
* _BSD_SOURCE should not be required as we already set _POSIX_C_SOURCE.
* _SVID_SOURCE should not be required as we already set _POSIX_C_SOURCE.

Niklas Haas authored Sep 23, 2018 and Jean-Baptiste Kempf committed Sep 24, 2018

Contains some useful stuff (vim, emacs swapfiles, ctags) and the /build
directory, since that's what the README uses.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This currently doesn't get installed at all.

Once meson 0.48 is required, this should be changed back to use the
optimization option instead. (See #1)

Fixes #11.

Janne Grunau authored Sep 20, 2018 and Jean-Baptiste Kempf committed Sep 23, 2018

Limiting the valid syntax to the subset supported by llvm 5.0 allows
the direct use of recent Android and ios system toolchains.

Nathan Egge authored Sep 22, 2018 and Jean-Baptiste Kempf committed Sep 23, 2018

You must agree to the AV1 patent license to contribute.

With minor contributions from:
 - Jean-Baptiste Kempf <jb@videolan.org>
 - Marvin Scholz <epirat07@gmail.com>
 - Hugo Beauzée-Luyssen <hugo@videolan.org>

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