shithub: dav1d

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Add buildsystem skeleton

--- /dev/null

+++ b/include/meson.build

@@ -1,0 +1,33 @@

+# Copyright © 2018, VideoLAN and dav1d authors

+# All rights reserved.

+#

+# Redistribution and use in source and binary forms, with or without

+# modification, are permitted provided that the following conditions are met:

+#

+# 1. Redistributions of source code must retain the above copyright notice, this

+#    list of conditions and the following disclaimer.

+#

+# 2. Redistributions in binary form must reproduce the above copyright notice,

+#    this list of conditions and the following disclaimer in the documentation

+#    and/or other materials provided with the distribution.

+#

+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR

+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+

+dav1d_git_dir = join_paths(dav1d_src_root, '.git')

+rev_target = vcs_tag(command: [

+        'git', '--git-dir', dav1d_git_dir,

+        'describe', '--tags', '--long',

+        '--match', '?.*.*', '--always'

+    ],

+    input: 'version.h.in',

+    output: 'version.h'

+)

--- /dev/null

+++ b/include/version.h.in

@@ -1,0 +1,2 @@

+/* auto-generated, do not edit */

+#define DAV1D_VERSION "@VCS_TAG@"

--- /dev/null

+++ b/meson.build

@@ -1,0 +1,142 @@

+# Copyright © 2018, VideoLAN and dav1d authors

+# All rights reserved.

+#

+# Redistribution and use in source and binary forms, with or without

+# modification, are permitted provided that the following conditions are met:

+#

+# 1. Redistributions of source code must retain the above copyright notice, this

+#    list of conditions and the following disclaimer.

+#

+# 2. Redistributions in binary form must reproduce the above copyright notice,

+#    this list of conditions and the following disclaimer in the documentation

+#    and/or other materials provided with the distribution.

+#

+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR

+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+

+project('dav1d', ['c'],

+    version: '0.0.1',

+    default_options: ['c_std=c11'],

+    meson_version: '>= 0.47.0')

+

+dav1d_src_root = meson.current_source_dir()

+cdata = configuration_data()

+cc = meson.get_compiler('c')

+

+if not meson.is_cross_build() 

+    thread_dependency = dependency('threads')

+else

+    thread_dependency = cc.find_library('pthread')

+endif

+

+dav1d_inc_dirs = include_directories('include')

+

+#

+# OS/Compiler feature detection

+#

+

+feature_defines = [

+    ['_REENTRANT',                  1], # Define so that reentrant versions of several functions get declared

+    ['_THREAD_SAFE',                1], # Same as _REENTANT for some other OSes

+    ['_GNU_SOURCE',                 1], # Enable GNU extensions on systems that have them

+    ['_POSIX_PTHREAD_SEMANTICS',    1], # Enable threading extensions on Solaris

+    ['__EXTENSIONS__',              1], # Enable general extensions on Solaris

+    ['_FILE_OFFSET_BITS',           64], # Define to 64 for large files support

+]

+

+if host_machine.system() == 'windows'

+    feature_defines += [

+            ['_WIN32_WINNT',                0x0601],

+            ['UNICODE',                     1], # Define to 1 for Unicode (Wide Chars) APIs

+            ['_UNICODE',                    1], # Define to 1 for Unicode (Wide Chars) APIs

+            ['__USE_MINGW_ANSI_STDIO',      1], # Define to force use of MinGW printf

+            ['_ISOC99_SOURCE',              1], # Extensions to ISO C89 from ISO C99

+            ['_ISOC11_SOURCE',              1], # Extensions to ISO C99 from ISO C11

+            ['_POSIX_SOURCE',               1], # IEEE Std 1003.1

+            ['_POSIX_C_SOURCE',             '200809L'], #IEEE Std 1003.1

+            ['_XOPEN_SOURCE',               700], # POSIX and XPG 7th edition

+            ['_XOPEN_SOURCE_EXTENDED',      1], # XPG things and X/Open Unix extensions

+            ['_BSD_SOURCE',                 1], # ISO C, POSIX, and 4.3BSD things

+            ['_SVID_SOURCE',                1], # ISO C, POSIX, and SVID things

+    ]

+endif

+

+if not cc.check_header('stdatomic.h')

+    error('Atomics not supported')

+endif

+

+if cc.has_argument('-mpreferred-stack-boundary=5')

+    stackalign_flag = '-mpreferred-stack-boundary=5'

+    stackrealign_flag = '-mincoming-stack-boundary=4'

+# When cross compiling for win64 gcc refuses to use -mpreferred-stack-boundary

+# with a value which isn't 3 or 4. However, when cross compiling with clang, 5 is

+# accepted.

+elif (host_machine.system() == 'windows' and host_machine.cpu_family() == 'x86_64'

+and cc.has_argument('-mpreferred-stack-boundary=4'))

+    stackalign_flag = '-mpreferred-stack-boundary=4'

+    stackrealign_flag = '-mincoming-stack-boundary=4'

+elif cc.has_argument('-mstack-alignment=32')

+    stackalign_flag = '-mstack-alignment=32'

+    stackrealign_flag = '-mstackrealign'

+else

+    error('Failed to specify stack alignment')

+endif

+

+if cc.has_argument('-fvisibility=hidden')

+    add_project_arguments('-fvisibility=hidden', language: 'c')

+else

+    warning('Compiler does not support -fvisibility=hidden, all symbols will be public!')

+endif

+

+if cc.has_function('posix_memalign', prefix: '#include <stdlib.h>', args: ['-D_POSIX_C_SOURCE=200112'])

+    feature_defines += [['POSIX_C_SOURCE', 200112]]

+    cdata.set('HAVE_POSIX_MEMALIGN', 1)

+elif cc.has_function('_aligned_malloc', prefix: '#include <malloc.h>')

+    cdata.set('HAVE_ALIGNED_MALLOC', 1)

+endif

+

+add_project_arguments('-fomit-frame-pointer', '-ffast-math',

+    language: 'c')

+

+add_project_arguments('-Wall', '-Wundef',

+    language: 'c')

+

+foreach f : feature_defines

+   cdata.set(f.get(0), f.get(1))

+endforeach

+

+#

+# Generate config headers

+#

+

+config_h_target = configure_file(output: 'config.h', configuration: cdata)

+

+subdir('include')

+

+libdav1d = library('dav1d',

+    rev_target,

+    version: '0.0.1',

+    include_directories: dav1d_inc_dirs,

+    c_args: [stackalign_flag],

+    dependencies: thread_dependency,

+    install: true

+)

+

+#

+# pkg-config boilerplate

+#

+pkg_mod = import('pkgconfig')

+pkg_mod.generate(libraries: libdav1d,

+    version: '0.0.1',

+    name: 'libdav1d',

+    filebase: 'dav1d',

+    description: 'AV1 decoding library'

+)