project(	'sl',	'c',	version: '0.999',	meson_version: '>=1.1.0',	default_options: [		'warning_level=3',		'buildtype=release',		'b_ndebug=if-release'	],) if ['minsize'].contains(get_option('buildtype'))	add_project_arguments(		'-DNDEBUG',		language: 'c',	)endif sys = host_machine.system()cc = meson.get_compiler('c')hardened = false add_project_arguments(	cc.get_supported_arguments(		'-fdata-sections',		'-ffunction-sections',		'-fno-common',		'-fno-math-errno',		'-fno-trapping-math',	),	language: 'c',) add_project_link_arguments(	cc.get_supported_link_arguments(		'-Wl,--gc-sections',	),	language: 'c',) if get_option('hardened').enabled() and sys != 'dos' and sys != 'macos' and sys != 'sunos'	hardened = true	add_project_arguments(		(sys == 'macos' ? [] : [			'-U_FORTIFY_SOURCE',			'-D_FORTIFY_SOURCE=3',		])		+ cc.get_supported_arguments(			'-fstack-protector-strong',			'-fstack-clash-protection',			'-fno-strict-overflow',			'-fno-delete-null-pointer-checks',		),		language: 'c',	)	add_project_link_arguments(		cc.get_supported_link_arguments(			'-Wl,-z,noexecstack',			'-Wl,-z,relro',			'-Wl,-z,now',			'-Wl,--as-needed',			'-Wl,--no-copy-dt-needed-entries',		),		language: 'c',	)endif sl_c_args_w = cc.get_supported_arguments(	'-Wformat=2',	'-Werror=format-security',	'-Werror=implicit',	'-Werror=incompatible-pointer-types',	'-Werror=int-conversion',	'-Werror=odr',	'-Werror=strict-aliasing',) sl_c_args = sl_c_args_w + cc.get_supported_arguments(	#'-Wcast-align=strict',	#'-Wconversion',	#'-Wfloat-equal',	#'-Wsign-conversion',	'-Waggregate-return',	'-Walloca',	'-Wimplicit-fallthrough',	'-Wint-to-pointer-cast',	'-Wmissing-declarations',	'-Wmissing-noreturn',	'-Wmissing-prototypes',	'-Wpedantic',	'-Wpointer-arith',	'-Wpointer-to-int-cast',	'-Wredundant-decls',	'-Wsequence-point',	'-Wshadow',	'-Wstrict-prototypes',	'-Wundef',	'-Wunused-but-set-parameter',	'-Wunused-macros',	'-Wunused-parameter',	'-Wwrite-strings',) san = get_option('b_sanitize')if san == 'address,undefined' or san.contains('undefined')	sl_c_args += ['-DUBSAN']endif src_dir = meson.current_source_dir() src_sl = [	'3rd/fn.c',	'3rd/iswprint.c',	'3rd/tbl.c',	'3rd/wcwidth.c',	'src/bitvector.c',	'src/builtins.c',	'src/compress.c',	'src/cvalues.c',	'src/equal.c',	'src/sl.c',	'src/slmain.c',	'src/slmath.c',	'src/hashing.c',	'src/htable.c',	'src/io.c',	'src/ios.c',	'src/opcodes.c',	'src/operators.c',	'src/print.c',	'src/ptrhash.c',	'src/random.c',	'src/read.c',	'src/str.c',	'src/table.c',	'src/types.c',] loop = get_option('loop')if loop == 'funcs'	src_sl += ['src/vm_funcs.c']	ops = custom_target(		'ops',		capture: true,		input: [			'src/vm_jmptbl.c',		],		output: [			'vm_funcs.h',		],		command: [			'tools/ops2funcs.sh', '@INPUT@',		],	)else	src_sl += ['src/vm_jmptbl.c']	if loop == 'jmptbl'		sl_c_args += ['-DCOMPUTED_GOTO']		ops = custom_target(			'ops',			capture: true,			input: [				'src/vm_jmptbl.c',			],			output: [				'vm_jmptbl.h',			],			command: [				'tools/ops2jmptbl.sh', '@INPUT@',			],		)	else		ops = []	endifendif extras = [] if get_option('xxhash').enabled()	libxxhash = dependency('libxxhash', method: 'pkg-config', required: true)	sl_c_args += [		'-DUSE_XXHASH',	]	extras += [libxxhash]else	src_sl += ['3rd/spooky.c']endif sl_c_args += cc.get_supported_arguments(	'-fstrict-flex-arrays=3',	'-Wbidi-chars=any',	'-Wduplicated-branches',	'-Wduplicated-cond',	'-Werror=lto-type-mismatch',	'-Wformat-overflow=2',	'-Wformat-pedantic',	'-Wformat-truncation=2',	'-Wformat-type-confusion',	'-Wgcc-compat',	'-Wimplicit-int-float-conversion',	'-Wlogical-op',	'-Wmissing-variable-declarations',	'-Wmultistatement-macros',	'-Wunused-const-variable',	'-Wunused-const-variable=2',	'-Wsuggest-attribute=const',	'-Wsuggest-attribute=noreturn',	'-Wtrailing-whitespace=any',	'-Wtrampolines',	'-Wzero-as-null-pointer-constant',) src_common = [	'src/nan.c',] inc = [include_directories('src', '3rd', '3rd/mp', '3rd/utf', '3rd/brieflz', '3rd/pcg-c')] bs = build_machine.system()if bs != 'dos' and bs != 'windows'	bs = 'posix'endifbinc = inc + [include_directories('src'/bs)] cpu = host_machine.cpu_family()pic = truebcc_can = falsebcc_in = false if sys == 'macos'	platform = sys	pic = false	sl_exe_name = 'sl.code.bin'	add_languages(		'cpp',		native: false,		required: true,	)	cpp = meson.get_compiler('cpp')	# don't expect NewPtr-returned pointers to be aligned by 8 bytes	# hence just use dlmalloc, which is also a much faster way to go about it	# this is only needed on m68k but is less cumbersome to always include	src_common += [		'src/mem.c',	]	extras += [		cpp.find_library('RetroConsole', required: true),		cpp.find_library('retrocrt', required: true),	]	src_sl += ['src/process_null.c']elif sys == 'dos'	platform = sys	pic = false	sl_exe_name = 'sl.exe'	src_sl += ['src/process_null.c']elif sys == 'windows'	platform = sys	sl_exe_name = 'sl'	bcc_can = true	src_sl += ['src/process_null.c']else	platform = 'posix'	sl_exe_name = 'sl'	bcc_can = true	src_sl += ['src/process.c']	if sys == 'haiku'		extras += [			cc.find_library('network', required: true)		]	elif sys == 'sunos'		extras += [			cc.find_library('socket', required: true)		]		bcc_can = false	endifendif inc += [include_directories('src'/platform)]src_sl += ['src'/platform/'sys.c']if platform == 'posix'	src_sl += [		'src'/platform/'parsetime.c',		'src'/platform/'sys_chdir.c',	]endif if not ['x86_64', 'x86', 'aarch64', 'riscv64'].contains(cpu)	bcc_can = falseendif if get_option('bcc').enabled() and not bcc_can	error('builtin-in C compiler not supported on this OS and/or CPU')elif get_option('bcc').disabled() or not bcc_can	bcc = []	src_sl += ['src/bcc_null.c']	add_project_link_arguments(		cc.get_supported_link_arguments('-Wl,-z,nodlopen'),		language: 'c',	)else	if cpu == 'x86_64'		bcc_src_arch = [			'3rd/tinycc/i386-asm.c',			'3rd/tinycc/x86_64-gen.c',			'3rd/tinycc/x86_64-link.c',		]	elif cpu == 'x86'		bcc_src_arch = [			'3rd/tinycc/i386-asm.c',			'3rd/tinycc/i386-gen.c',			'3rd/tinycc/i386-link.c',		]	elif cpu == 'arm'		bcc_src_arch = [			'3rd/tinycc/arm-asm.c',			'3rd/tinycc/arm-gen.c',			'3rd/tinycc/arm-link.c',		]	elif cpu == 'aarch64'		bcc_src_arch = [			'3rd/tinycc/arm64-asm.c',			'3rd/tinycc/arm64-gen.c',			'3rd/tinycc/arm64-link.c',		]	elif cpu == 'riscv64'		bcc_src_arch = [			'3rd/tinycc/riscv64-asm.c',			'3rd/tinycc/riscv64-gen.c',			'3rd/tinycc/riscv64-link.c',		]	else		error('bcc enabled with unsupported cpu?')	endif	bcc_in = true 	if sys == 'darwin'		bcc_src_sys = [			'3rd/tinycc/tccmacho.c',		]	elif sys == 'windows'		bcc_src_sys = [			'3rd/tinycc/tccpe.c',		]	else		bcc_src_sys = []	endif 	bcc_conftest = executable(		'conftest',		c_args: sl_c_args + ['-Wno-undef'],		sources: [			'3rd/tinycc/conftest.c',		],		native: true,	) 	bcc_c2str = executable(		'c2str',		c_args: sl_c_args + ['-Wno-undef', '-DC2STR'],		sources: [			'3rd/tinycc/conftest.c',		],		native: true,	) 	ccmd = cc.cmd_array()	if ccmd.length() <= 1 or not ccmd[0].contains('ccache')		cc0 = ccmd[0]	else		cc0 = ccmd[1]	endif 	bcc_config = custom_target(		'bcc_config',		output: [			'config.h',		],		command: [			src_dir/'3rd'/'tinycc'/'configure',			'--cc='+cc0,			'--config-pie',			'--config-predefs=yes',			'--enable-static',			'--cpu=' + cpu,		] + (sys == 'windows'			? [				'--targetos=WIN32',				'--enable-cross',				'--cross-prefix="dummy"',			] : [				'--config-musl', # FIXME(sigrid): strings on a test executable to find out				'--with-selinux',			]		),		depends: [			bcc_conftest,		],	) 	bcc_predefs = custom_target(		'bcc_predefs',		input: [			src_dir/'3rd'/'tinycc'/'include'/'tccdefs.h',		],		output: [			'tccdefs_.h',		],		command: [			bcc_c2str, '@INPUT@', '@OUTPUT@',		],		depends: [			bcc_c2str,		],	) 	tcc_c_flags = sl_c_args_w + cc.get_supported_arguments(		'-Wno-format-nonliteral',		'-Wno-implicit-fallthrough',		'-Wno-missing-field-initializers',		'-Wno-old-style-declaration',		'-Wno-overlength-strings',		'-Wno-pedantic',		'-Wno-sign-compare',		'-Wno-type-limits',		'-Wno-unterminated-string-initialization',		'-Wno-unused-parameter',		'-Wno-unused-result',	) + ['-DTCC_LIBTCC1=""'] 	bcc = static_library(		'tcc',		c_args: tcc_c_flags + ['-DONE_SOURCE=0'],		sources: [			bcc_config,			bcc_predefs,			'3rd/tinycc/libtcc.c',			'3rd/tinycc/tccasm.c',			'3rd/tinycc/tccdbg.c',			'3rd/tinycc/tccelf.c',			'3rd/tinycc/tccgen.c',			'3rd/tinycc/tccpp.c',			'3rd/tinycc/tccrun.c',		] + bcc_src_arch + bcc_src_sys,		include_directories: ['3rd/tinycc'],		dependencies: [			dependency('threads'),			cc.find_library('dl', required: false),		],		pic: pic,	)	src_sl += [bcc_config, 'src/bcc_tcc.c']	inc += ['3rd/tinycc']endif common = static_library(	'common',	c_args: sl_c_args,	sources: src_common,	include_directories: inc,	pic: pic,) math = cc.find_library('m', required: false)rt = cc.find_library('rt', required: false) brieflz = static_library(	'brieflz',	c_args: sl_c_args,	sources: [		'3rd/brieflz/brieflz.c',		'3rd/brieflz/depacks.c',	],	include_directories: inc,	pic: pic,) pcg = static_library(	'pcg',	c_args: sl_c_args,	sources: [		'3rd/pcg-c/pcg-advance-16.c',		'3rd/pcg-c/pcg-advance-32.c',		'3rd/pcg-c/pcg-advance-64.c',		'3rd/pcg-c/pcg-advance-8.c',		'3rd/pcg-c/pcg-output-64.c',		'3rd/pcg-c/pcg-output-32.c',		'3rd/pcg-c/pcg-rngs-64.c',		'3rd/pcg-c/pcg32x2.c',	],	include_directories: inc,	pic: pic,) lzpack = executable(	'lzpack',	c_args: sl_c_args,	sources: [		'3rd/brieflz/brieflz.c',		'3rd/brieflz/depacks.c',

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