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#!/usr/bin/python3
# Copyright 2014 Jussi Pakkanen
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys, os, re
class Converter():
def __init__(self, root):
self.project_root = root
def readlines(self, file, continuator):
line = file.readline()
while line != '':
line = line.rstrip()
while line.endswith(continuator):
line = line[:-1] + file.readline().rstrip()
yield line
line = file.readline()
def convert(self, subdir=None):
if subdir is None:
subdir = self.project_root
try:
ifile = open(os.path.join(subdir, 'Makefile.am'))
except FileNotFoundError:
print('Makefile.am not found in subdir', subdir)
return
ofile = open(os.path.join(subdir, 'meson.build'), 'w')
if subdir == self.project_root:
self.process_autoconf(ofile, subdir)
for line in self.readlines(ifile, '\\'):
items = line.strip().split()
if len(items) == 0:
ofile.write('\n')
continue
if items[0] == 'SUBDIRS':
for i in items[2:]:
if i != '.':
ofile.write("subdir('%s')\n" % i)
self.convert(os.path.join(subdir, i))
elif items[0].endswith('_SOURCES'):
self.convert_target(ofile, items)
else:
ofile.write("# %s\n" % line)
def convert_target(self, ofile, items):
if items[0].endswith('la_SOURCES'):
func = 'shared_library'
tname = "'%s'" % items[0][:-11]
elif items[0].endswith('a_SOURCES'):
func = 'static_library'
tname = "'%s'" % items[0][:-10]
else:
func = 'executable'
tname = "'%s'" % items[0][:-8]
sources = [tname]
for s in items[2:]:
if s.startswith('$(') and s.endswith(')'):
s = s[2:-1]
else:
s = "'%s'" % s
sources.append(s)
ofile.write('%s(%s)\n' % (func, ',\n'.join(sources)))
def process_autoconf(self, ofile, subdir):
ifile = open(os.path.join(subdir, 'configure.ac'))
languages = []
name = 'undetected'
outlines = []
for line in self.readlines(ifile, ','):
line = line.strip()
if line == 'AC_PROG_CC':
languages.append("'c'")
elif line == 'AC_PROG_CXX':
languages.append("'cpp'")
elif line.startswith('#'):
outlines.append(line + '\n')
elif line.startswith('PKG_CHECK_MODULES'):
rest = line.split('(', 1)[-1].strip()
pkgstanza = rest.split()[1:]
for i in pkgstanza:
i = i.strip()
dep = None
if '=' in i:
continue
if i.startswith('['):
dep = i[1:]
elif re.match('[a-zA-Z]', i):
dep = i
if dep is not None:
outlines.append("%s_dep = dependency('%s')\n" % (dep, dep))
else:
outlines.append('# %s\n' % line)
ofile.write("project(%s)\n" % ', '.join(["'%s'" % name] + languages))
ofile.writelines(outlines)
if __name__ == '__main__':
if len(sys.argv) != 2:
print(sys.argv[0], '<Autotools project root>')
sys.exit(1)
c = Converter(sys.argv[1])
c.convert()
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