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# Set compiler warning flags
compiler = meson.get_compiler('c')
if compiler.get_argument_syntax() == 'msvc'
compiler_args = compiler.get_supported_arguments([
'/wd4100', # 'identifier' : unreferenced formal parameter
'/wd4127', # conditional expression is constant
'/wd4200', # nonstandard extension used : zero-sized array in struct/union
'/wd4214', # bit field types other than int
'/wd4706', # assignment within conditional expression
'/wd4245', # 'conversion' : conversion from 'type1' to 'type2', signed/unsigned mismatch
'/wd4389', # 'operator' : signed/unsigned mismatch
'/wd4702', # unreachable code
'/wd4701', # Potentially uninitialized local variable 'name' used
'/wd4244', # 'conversion' conversion from 'type1' to 'type2', possible loss of data
])
else
compiler_args = compiler.get_supported_arguments([
'-Wfloat-equal',
'-Wshadow',
'-Wpointer-arith',
'-Winit-self',
'-Wno-unused-function',
'-Wno-unused-parameter',
'-Wno-unreachable-code',
'-Wstrict-prototypes',
# fix GStreamer build with -Werror
'-Wno-missing-prototypes',
'-Wno-incompatible-pointer-types-discards-qualifiers',
'-Wno-address-of-packed-member',
'-Wno-discarded-qualifiers',
'-Wno-missing-declarations',
'-Wno-old-style-definition',
'-Wno-redundant-decls',
'-Wno-error',
])
endif
# Configuration
compile_args = [compiler_args]
# Dependency: Threads
thread_dep = dependency('threads', required: true)
# Dependencies list
dependencies = [
thread_dep,
]
# Global settings
compile_args += [
'-D__Userspace__',
'-DSCTP_SIMPLE_ALLOCATOR',
'-DSCTP_PROCESS_LEVEL_LOCKS',
]
# OS-specific settings
system = host_machine.system()
if system in ['linux', 'android']
compile_args += [
'-D_GNU_SOURCE',
]
elif system == 'freebsd'
compile_args += [compiler.get_supported_arguments([
'-Wno-address-of-packed-member',
])]
elif system in ['darwin', 'ios']
compile_args += [[
'-D__APPLE_USE_RFC_2292',
] + compiler.get_supported_arguments([
'-Wno-address-of-packed-member',
'-Wno-deprecated-declarations',
])]
elif system == 'windows'
dependencies += compiler.find_library('ws2_32', required: true)
dependencies += compiler.find_library('iphlpapi', required: true)
if compiler.get_id() == 'gcc'
compile_args += [compiler.get_supported_arguments([
'-Wno-format',
'-D_WIN32_WINNT=0x601', # Enables inet_ntop and friends
])]
endif
else
warning('Unknown system: @0@'.format(system))
usrsctp_dep = dependency('', required: false)
subdir_done()
endif
# Feature: sys/queue
if compiler.has_header('sys/queue.h')
compile_args += ['-DHAVE_SYS_QUEUE_H']
endif
# Feature: sys/socket, linux/ifaddr, linux/rtnetlink
if compiler.has_header('sys/socket.h')
if compiler.has_header('linux/if_addr.h')
compile_args += ['-DHAVE_LINUX_IF_ADDR_H']
endif
if compiler.has_header('linux/rtnetlink.h')
compile_args += ['-DHAVE_LINUX_RTNETLINK_H']
endif
endif
# Feature: ICMP
have_sys_types = compiler.has_header('sys/types.h')
have_netinet_in = compiler.has_header('netinet/in.h')
have_netinet_ip = compiler.has_header('netinet/ip.h')
have_netinet_ip_icmp = compiler.has_header('netinet/ip_icmp.h')
if have_sys_types and have_netinet_in and have_netinet_ip and have_netinet_ip_icmp
compile_args += ['-DHAVE_NETINET_IP_ICMP_H']
endif
# Feature: stdatomic
if compiler.has_header('stdatomic.h')
compile_args += ['-DHAVE_STDATOMIC_H']
endif
# Feature: sockaddr.sa_len
prefix = '''
#include <sys/types.h>
#include <sys/socket.h>
'''
have_sa_len = compiler.has_member('struct sockaddr', 'sa_len', prefix: prefix)
if have_sa_len
compile_args += ['-DHAVE_SA_LEN']
endif
# Feature: sockaddr_in.sin_len / sockaddr_in6.sin6_len / sockaddr_conn.sconn_len
prefix = '''
#include <sys/types.h>
#include <netinet/in.h>
'''
have_sin_len = compiler.has_member('struct sockaddr_in', 'sin_len', prefix: prefix)
if have_sin_len
compile_args += ['-DHAVE_SIN_LEN']
endif
have_sin6_len = compiler.has_member('struct sockaddr_in6', 'sin6_len', prefix: prefix)
if have_sin6_len
compile_args += ['-DHAVE_SIN6_LEN']
endif
have_sconn_len = compiler.has_member('struct sockaddr_conn', 'sconn_len', prefix: '#include "usrsctp.h"', include_directories: include_directories('usrsctplib'))
if have_sconn_len
compile_args += ['-DHAVE_SCONN_LEN']
endif
# Options
if false
compile_args += ['-DINVARIANTS']
endif
if not gst_debug_disabled
compile_args += ['-DSCTP_DEBUG']
endif
# We do not need the socket API in GStreamer since we will wrap inside a
# DTLS packet anyway, because we use SCTP for WebRTC data channels.
if false
compile_args += ['-DINET']
endif
if false
compile_args += ['-DINET6']
endif
compile_args += ['-DSCTP_STDINT_INCLUDE=<stdint.h>']
# Library
subdir('usrsctplib')
# Build library
usrsctp_static = static_library('usrsctp-static', sources,
c_args: compile_args,
dependencies: dependencies,
include_directories: include_dirs,
install: false)
# Declare dependency
usrsctp_dep = declare_dependency(
include_directories: include_dirs,
link_with: usrsctp_static)
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