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# Project definition
project('usrsctplib', 'c',
version: '1.0.0',
default_options: ['c_std=c99'],
meson_version: '>=0.49.0')
# 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([
'-pedantic',
'-Wall',
'-Wextra',
'-Wfloat-equal',
'-Wshadow',
'-Wpointer-arith',
'-Winit-self',
'-Wno-unused-function',
'-Wno-unused-parameter',
'-Wno-unreachable-code',
'-Wstrict-prototypes',
])
endif
add_project_arguments(compiler_args, language: 'c')
# Configuration
compile_args = []
# Dependency: Threads
thread_dep = dependency('threads', required: true)
# Dependencies list
dependencies = [
thread_dep,
]
# Global settings
add_project_arguments([
'-D__Userspace__',
'-DSCTP_SIMPLE_ALLOCATOR',
'-DSCTP_PROCESS_LEVEL_LOCKS',
], language: 'c')
# OS-specific settings
system = host_machine.system()
if system in ['linux', 'android']
add_project_arguments([
'-D__Userspace_os_Linux',
'-D_GNU_SOURCE',
], language: 'c')
elif system == 'freebsd'
add_project_arguments([
'-D__Userspace_os_FreeBSD',
'-U__FreeBSD__',
] + compiler.get_supported_arguments([
'-Wno-address-of-packed-member',
]), language: 'c')
elif system in ['darwin', 'ios']
add_project_arguments([
'-D__Userspace_os_Darwin',
'-D__APPLE_USE_RFC_2292',
] + compiler.get_supported_arguments([
'-Wno-address-of-packed-member',
'-Wno-deprecated-declarations',
]), language: 'c')
elif system == 'dragonfly'
add_project_arguments([
'-D__Userspace_os_DragonFly',
'-U__DragonFly__',
], language: 'c')
elif system == 'netbsd'
add_project_arguments([
'-D__Userspace_os_NetBSD',
'-U__NetBSD__',
], language: 'c')
elif system == 'openbsd'
add_project_arguments([
'-D__Userspace_os_OpenBSD',
'-U__OpenBSD__',
], language: 'c')
elif system == 'windows'
add_project_arguments('-D__Userspace_os_Windows', language: 'c')
dependencies += compiler.find_library('ws2_32', required: true)
dependencies += compiler.find_library('iphlpapi', required: true)
if compiler.get_id() == 'gcc'
add_project_arguments(compiler.get_supported_arguments([
'-Wno-format',
'-D_WIN32_WINNT=0x601', # Enables inet_ntop and friends
]), language: 'c')
endif
else
error('Unknown system: @0@'.format(system))
endif
# Feature: sys/queue
if compiler.has_header('sys/queue.h')
add_project_arguments('-DHAVE_SYS_QUEUE_H', language: 'c')
endif
# Feature: sys/socket, linux/ifaddr, linux/rtnetlink
if compiler.has_header('sys/socket.h')
if compiler.has_header('linux/if_addr.h')
add_project_arguments('-DHAVE_LINUX_IF_ADDR_H', language: 'c')
endif
if compiler.has_header('linux/rtnetlink.h')
add_project_arguments('-DHAVE_LINUX_RTNETLINK_H', language: 'c')
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
add_project_arguments('-DHAVE_NETINET_IP_ICMP_H', language: 'c')
endif
# Feature: stdatomic
if compiler.has_header('stdatomic.h')
add_project_arguments('-DHAVE_STDATOMIC_H', language: 'c')
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
add_project_arguments('-DHAVE_SA_LEN', language: 'c')
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
add_project_arguments('-DHAVE_SIN_LEN', language: 'c')
endif
have_sin6_len = compiler.has_member('struct sockaddr_in6', 'sin6_len', prefix: prefix)
if have_sin6_len
add_project_arguments('-DHAVE_SIN6_LEN', language: 'c')
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
add_project_arguments('-DHAVE_SCONN_LEN', language: 'c')
endif
# Options
if get_option('sctp_invariants')
add_project_arguments('-DINVARIANTS', language: 'c')
endif
if get_option('sctp_debug')
add_project_arguments('-DSCTP_DEBUG', language: 'c')
compile_args += '-DSCTP_DEBUG'
endif
if get_option('sctp_inet')
add_project_arguments('-DINET', language: 'c')
endif
if get_option('sctp_inet6')
add_project_arguments('-DINET6', language: 'c')
endif
# Library
subdir('usrsctplib')
# Build library
if compiler.get_id() == 'msvc' and get_option('default_library') == 'shared'
# Needed by usrsctp_def
find_program('dumpbin')
usrsctp_static = static_library('usrsctp-static', sources,
dependencies: dependencies,
include_directories: include_dirs)
usrsctp_def = custom_target('usrsctp.def',
command: [find_program('gen-def.py'), '@INPUT@'],
input: usrsctp_static,
output: 'usrsctp.def',
capture: true)
usrsctp = shared_library('usrsctp',
link_whole: usrsctp_static,
dependencies: dependencies,
vs_module_defs: usrsctp_def,
install: true,
version: meson.project_version())
else
usrsctp = library('usrsctp', sources,
dependencies: dependencies,
include_directories: include_dirs,
install: true,
version: meson.project_version(),
c_args: '-U__APPLE__')
endif
# Declare dependency
usrsctp_dep = declare_dependency(
compile_args: compile_args,
include_directories: include_dirs,
link_with: usrsctp)
# Generate pkg-config file
pkg = import('pkgconfig')
pkg.generate(usrsctp,
name: 'usrsctp',
description: 'A portable SCTP userland stack',
url: 'https://github.com/sctplab/usrsctp',
extra_cflags: compile_args)
# Programs (optional)
if get_option('sctp_build_programs')
subdir('programs')
# Build executables
foreach name, sources : programs
executable(
name,
programs_helper_sources + sources,
dependencies: dependencies,
link_with: usrsctp,
include_directories: include_dirs)
endforeach
endif
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