ref: d32eb2d935a31288c34ccaa42b09bc60eacdfd68
dir: /meson.build/
# 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'
)