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#!/usr/bin/env python3
from pathlib import Path
from io import StringIO
import os
TMP = Path("/dev/shm/")
if not TMP.exists():
TMP = Path(os.environ.get('TMP', '.'))
def main():
compilers = [
('default', 'c++', [])
]
crosscompilers = find_crosscompilers()
if crosscompilers:
print("Found the following crosscompilers in $PATH:")
for arch, compiler, opts in crosscompilers:
print('%-16s: %s' % (arch, compiler))
compilers.extend(crosscompilers)
make = create_make(compilers)
file = Path('Makefile')
update_file(make, file)
def create_make(compilers):
f = StringIO()
def writeln(s):
f.write(s + '\n')
writeln("SRC=../src")
writeln("INC=../include")
archs = []
for arch, compiler, opts in compilers:
targets = []
for features in feature_combinations:
parts = [arch] + name_for_features(features)
target_dir = TMP / '-'.join(parts)
target_obj = target_dir / 'simdutf.o'
target_exe = target_dir / 'a.out'
targets.append((target_obj, target_exe, features))
archs.append((arch, compiler, opts, targets))
writeln('')
writeln(f"{arch.upper()}=\\")
for (target_obj, target_exe, _) in targets:
writeln(f'\t{target_exe} {target_obj}\\')
# first add 'all' target
writeln('')
writeln('.PHONY: all')
writeln('all: %s' % (' '.join(arch for arch, _, _ in compilers)))
writeln('')
writeln('.PHONY: all')
writeln('clean:')
writeln('\t$(RM) %s' % ' '.join(f"$({arch.upper()})" for arch, _, _ in compilers))
# add 'help' target
writeln('')
writeln(".PHONY: help")
writeln("help:")
width = max((len(arch) for arch, _, _ in compilers))
width = max(width, len("all"), len("clear"))
target = "all"
writeln(f'\t@echo "make {target:{width}} --- build all targets"')
target = "clear"
writeln(f'\t@echo "make {target:{width}} --- remove all generated files"')
target = "help"
writeln(f'\t@echo "make {target:{width}} --- show this help"')
writeln('\t@echo')
for arch, compiler, _ in compilers:
writeln(f'\t@echo "make {arch:{width}} --- build using {compiler}"')
# add convienent targets for architectures ('default' is the first)
for arch, _, _ in compilers:
writeln('')
writeln(f'.PHONY: {arch}')
writeln(f'{arch}: $({arch.upper()})')
# add individual targets
for arch, compiler, opts, targets in archs:
compiler_opts = ' '.join(opts)
for target_obj, target_exe, features in targets:
amalgamate_opts = ' '.join(feature2option[feat] for feat in features)
target_dir = target_obj.parent
writeln('')
writeln(f"{target_obj}: amalgamate.py")
writeln(f"\tmkdir -p {target_dir}")
writeln(f"\tpython3 amalgamate.py --no-zip --no-readme --source-dir=$(SRC) --include-dir=$(INC) --output {target_dir} {amalgamate_opts}")
writeln(f"\tcd {target_dir} && {compiler} {compiler_opts} -c simdutf.cpp")
writeln('')
writeln(f"{target_exe}: {target_obj}")
writeln(f"\tcd {target_dir} && {compiler} {compiler_opts} amalgamation_demo.cpp")
return f.getvalue()
def update_file(contents, path):
if path.exists():
if path.read_text() == contents:
return
print(f"updating {path}")
else:
print(f"creating {path}")
path.write_text(contents)
def find_crosscompilers():
return list(find_crosscompilers_aux())
def find_crosscompilers_aux():
found = set()
for path in os.environ['PATH'].split(':'):
path = Path(path)
gxx = glob_many(path, ['*-g++*', '*-c++*', '*clang++'])
for item in crosscompilers:
if isinstance(item, str):
arch = item
name = arch
opts = []
elif isinstance(item, tuple):
assert len(item) == 3, item
arch, name, opts = item
else:
assert False, item
if name in found:
continue
for filename in gxx:
if is_compiler(arch, ['g++', 'c++', 'clang++'], filename):
yield (name, filename, opts)
found.add(name)
break
def glob_many(rootdir, patterns):
tmp = []
for pat in patterns:
tmp.extend([file.name for file in rootdir.glob(pat)])
tmp.sort()
return tmp
def is_compiler(arch, compilers, name):
# we're looking for "arch-foo-bar-g++" or "arch-foo-bar-g++-version"
tmp = name.split('-')
if tmp[0] != arch:
return False
if tmp[-1] in compilers:
return True
if len(tmp) >= 3 and tmp[-2] in compilers and is_number(tmp[-1]):
return True
def is_number(s):
try:
_ = int(s)
return True
except ValueError:
return False
def name_for_features(features):
return [feature2stem[feat] for feat in features]
SIMDUTF_FEATURE_DETECT_ENCODING = 'SIMDUTF_FEATURE_DETECT_ENCODING'
SIMDUTF_FEATURE_LATIN1 = 'SIMDUTF_FEATURE_LATIN1'
SIMDUTF_FEATURE_ASCII = 'SIMDUTF_FEATURE_ASCII'
SIMDUTF_FEATURE_BASE64 = 'SIMDUTF_FEATURE_BASE64'
SIMDUTF_FEATURE_UTF8 = 'SIMDUTF_FEATURE_UTF8'
SIMDUTF_FEATURE_UTF16 = 'SIMDUTF_FEATURE_UTF16'
SIMDUTF_FEATURE_UTF32 = 'SIMDUTF_FEATURE_UTF32'
feature2stem = {
SIMDUTF_FEATURE_DETECT_ENCODING : 'de',
SIMDUTF_FEATURE_LATIN1 : 'lat1',
SIMDUTF_FEATURE_ASCII : 'ascii',
SIMDUTF_FEATURE_BASE64 : 'base64',
SIMDUTF_FEATURE_UTF8 : 'utf8',
SIMDUTF_FEATURE_UTF16 : 'utf16',
SIMDUTF_FEATURE_UTF32 : 'utf32',
}
feature2option = {
SIMDUTF_FEATURE_DETECT_ENCODING : '--with-detect-enc',
SIMDUTF_FEATURE_LATIN1 : '--with-latin1',
SIMDUTF_FEATURE_ASCII : '--with-ascii',
SIMDUTF_FEATURE_BASE64 : '--with-base64',
SIMDUTF_FEATURE_UTF8 : '--with-utf8',
SIMDUTF_FEATURE_UTF16 : '--with-utf16',
SIMDUTF_FEATURE_UTF32 : '--with-utf32',
}
feature_combinations = [
[SIMDUTF_FEATURE_DETECT_ENCODING],
[SIMDUTF_FEATURE_ASCII],
[SIMDUTF_FEATURE_UTF8],
[SIMDUTF_FEATURE_UTF16],
[SIMDUTF_FEATURE_UTF32],
[SIMDUTF_FEATURE_BASE64],
[SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_LATIN1, SIMDUTF_FEATURE_DETECT_ENCODING],
[SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_LATIN1, SIMDUTF_FEATURE_DETECT_ENCODING],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_LATIN1, SIMDUTF_FEATURE_DETECT_ENCODING],
[SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_LATIN1, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII],
[SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_LATIN1, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_LATIN1, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII],
[SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_UTF16],
[SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_UTF32],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_UTF8],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_UTF16],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_UTF8],
[SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_UTF32, SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_LATIN1],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF8],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF16],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF32],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_UTF16],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_UTF32],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_UTF32],
[SIMDUTF_FEATURE_BASE64, SIMDUTF_FEATURE_DETECT_ENCODING, SIMDUTF_FEATURE_ASCII, SIMDUTF_FEATURE_UTF8, SIMDUTF_FEATURE_UTF16, SIMDUTF_FEATURE_UTF32],
]
crosscompilers = [
'aarch64',
'powerpc64',
'loongarch64',
('loongarch64', 'loongarch64lasx', ["-mlsx", "-mlasx"]),
('riscv64', 'riscv64', ["-march=rv64gv"]),
]
if __name__ == '__main__':
main()
|
