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"""Base support for POSIX-like platforms."""
import py, os, sys
from rpython.translator.platform import Platform, log, _run_subprocess
from rpython.config.support import detect_pax
import rpython
rpydir = str(py.path.local(rpython.__file__).join('..'))
class BasePosix(Platform):
exe_ext = ''
make_cmd = 'make'
so_prefixes = ('lib', '')
relevant_environ = ('CPATH', 'LIBRARY_PATH', 'C_INCLUDE_PATH')
DEFAULT_CC = 'gcc'
rpath_flags = ['-Wl,-rpath=\'$$ORIGIN/\'']
def __init__(self, cc=None):
self.cc = cc or os.environ.get('CC', self.DEFAULT_CC)
def _libs(self, libraries):
return ['-l%s' % lib for lib in libraries]
def _libdirs(self, library_dirs):
assert '' not in library_dirs
return ['-L%s' % ldir for ldir in library_dirs]
def _includedirs(self, include_dirs):
assert '' not in include_dirs
return ['-I%s' % idir for idir in include_dirs]
def _linkfiles(self, link_files):
return list(link_files)
def _compile_c_file(self, cc, cfile, compile_args):
oname = self._make_o_file(cfile, ext='o')
args = ['-c'] + compile_args + [str(cfile), '-o', str(oname)]
self._execute_c_compiler(cc, args, oname,
cwd=str(cfile.dirpath()))
return oname
def _link_args_from_eci(self, eci, standalone):
return Platform._link_args_from_eci(self, eci, standalone)
def _exportsymbols_link_flags(self):
if (self.cc == 'mingw32' or (self.cc== 'gcc' and os.name=='nt')
or sys.platform == 'cygwin'):
return ["-Wl,--export-all-symbols"]
return ["-Wl,--export-dynamic"]
def _link(self, cc, ofiles, link_args, standalone, exe_name):
args = [str(ofile) for ofile in ofiles] + link_args
args += ['-o', str(exe_name)]
if not standalone:
args = self._args_for_shared(args, exe_name=exe_name)
self._execute_c_compiler(cc, args, exe_name,
cwd=str(exe_name.dirpath()))
return exe_name
def _pkg_config(self, lib, opt, default, check_result_dir=False):
try:
pkg_config = os.environ.get('PKG_CONFIG', 'pkg-config')
ret, out, err = _run_subprocess(pkg_config, [lib, opt])
except OSError as e:
err = str(e)
ret = 1
if ret:
result = default
else:
# strip compiler flags
result = [entry[2:] for entry in out.split()]
#
if not result:
pass # if pkg-config explicitly returned nothing, then
# we assume it means no options are needed
elif check_result_dir:
# check that at least one of the results is a valid dir
for check in result:
if os.path.isdir(check):
break
else:
if ret:
msg = ("running 'pkg-config %s %s' failed:\n%s\n"
"and the default %r is not a valid directory" % (
lib, opt, err.rstrip(), default))
else:
msg = ("'pkg-config %s %s' returned no valid directory:\n"
"%s\n%s" % (lib, opt, out.rstrip(), err.rstrip()))
raise ValueError(msg)
return result
def get_rpath_flags(self, rel_libdirs):
# needed for cross-compilation i.e. ARM
return self.rpath_flags + ['-Wl,-rpath-link=\'%s\'' % ldir
for ldir in rel_libdirs]
def get_shared_only_compile_flags(self):
return tuple(self.shared_only) + ('-fvisibility=hidden',)
def makefile_link_flags(self):
return list(self.link_flags)
def gen_makefile(self, cfiles, eci, exe_name=None, path=None,
shared=False, headers_to_precompile=[],
no_precompile_cfiles = [], profopt=False, config=None):
cfiles = self._all_cfiles(cfiles, eci)
if path is None:
path = cfiles[0].dirpath()
rpypath = py.path.local(rpydir)
if exe_name is None:
exe_name = cfiles[0].new(ext=self.exe_ext)
else:
exe_name = exe_name.new(ext=self.exe_ext)
linkflags = self.makefile_link_flags()
if shared:
linkflags = self._args_for_shared(linkflags)
linkflags += self._exportsymbols_link_flags()
if shared:
libname = exe_name.new(ext='').basename
target_name = 'lib' + exe_name.new(ext=self.so_ext).basename
else:
target_name = exe_name.basename
if shared:
cflags = tuple(self.cflags) + self.get_shared_only_compile_flags()
else:
cflags = tuple(self.cflags) + tuple(self.standalone_only)
# xxx check which compilers accept this option or not
if config and config.translation.lto:
cflags = ('-flto',) + cflags
m = GnuMakefile(path)
m.exe_name = path.join(exe_name.basename)
m.eci = eci
def rpyrel(fpath):
lpath = py.path.local(fpath)
rel = lpath.relto(rpypath)
if rel:
return os.path.join('$(RPYDIR)', rel)
# Hack: also relativize from the path '$RPYDIR/..'.
# Otherwise, when translating pypy, we get the paths in
# pypy/module/* that are kept as absolute, which makes the
# whole purpose of $RPYDIR rather pointless.
rel = lpath.relto(rpypath.join('..'))
if rel:
return os.path.join('$(RPYDIR)', '..', rel)
m_dir = m.makefile_dir
if m_dir == lpath:
return '.'
if m_dir.dirpath() == lpath:
return '..'
return fpath
rel_cfiles = [m.pathrel(cfile) for cfile in cfiles]
rel_ofiles = [rel_cfile[:rel_cfile.rfind('.')]+'.o' for rel_cfile in rel_cfiles]
m.cfiles = rel_cfiles
rel_includedirs = [rpyrel(incldir) for incldir in
self.preprocess_include_dirs(eci.include_dirs)]
rel_libdirs = [rpyrel(libdir) for libdir in
self.preprocess_library_dirs(eci.library_dirs)]
m.comment('automatically generated makefile')
definitions = [
('RPYDIR', '"%s"' % rpydir),
('TARGET', target_name),
('DEFAULT_TARGET', exe_name.basename),
('SOURCES', rel_cfiles),
('OBJECTS', rel_ofiles),
('LIBS', self._libs(eci.libraries) + list(self.extra_libs)),
('LIBDIRS', self._libdirs(rel_libdirs)),
('INCLUDEDIRS', self._includedirs(rel_includedirs)),
('CFLAGS', cflags),
('CFLAGSEXTRA', list(eci.compile_extra)),
('LDFLAGS', linkflags),
('LDFLAGS_LINK', list(self.link_flags)),
('LDFLAGSEXTRA', list(eci.link_extra)),
('CC', self.cc),
('CC_LINK', eci.use_cpp_linker and 'g++' or '$(CC)'),
('LINKFILES', eci.link_files),
('RPATH_FLAGS', self.get_rpath_flags(rel_libdirs)),
]
if profopt==True and shared==True:
definitions.append(('PROFOPT_TARGET', exe_name.basename))
for args in definitions:
m.definition(*args)
# Post compile rule to be executed after a TARGET is ran
#
# Some processing might be necessary on the resulting binary,
# which is received in $(BIN) parameter
postcompile_rule = ('postcompile', '', ['true'])
if detect_pax():
postcompile_rule[2].append('attr -q -s pax.flags -V m $(BIN)')
rules = [
('all', '$(DEFAULT_TARGET)', []),
('$(TARGET)', '$(OBJECTS)', ['$(CC_LINK) $(LDFLAGSEXTRA) -o $@ $(OBJECTS) $(LIBDIRS) $(LIBS) $(LINKFILES) $(LDFLAGS)', '$(MAKE) postcompile BIN=$(TARGET)']),
('%.o', '%.c', '$(CC) $(CFLAGS) $(CFLAGSEXTRA) -o $@ -c $< $(INCLUDEDIRS)'),
('%.o', '%.s', '$(CC) $(CFLAGS) $(CFLAGSEXTRA) -o $@ -c $< $(INCLUDEDIRS)'),
('%.o', '%.cxx', '$(CXX) $(CFLAGS) $(CFLAGSEXTRA) -o $@ -c $< $(INCLUDEDIRS)'),
]
for rule in rules:
m.rule(*rule)
m.rule(*postcompile_rule)
if shared:
m.definition('SHARED_IMPORT_LIB', libname),
m.definition('PYPY_MAIN_FUNCTION', "pypy_main_startup")
m.rule('main.c', '',
'echo "'
'int $(PYPY_MAIN_FUNCTION)(int, char*[]); '
'int main(int argc, char* argv[]) '
'{ return $(PYPY_MAIN_FUNCTION)(argc, argv); }" > $@')
m.rule('$(DEFAULT_TARGET)', ['$(TARGET)', 'main.o'],
['$(CC_LINK) $(LDFLAGS_LINK) main.o -L. -l$(SHARED_IMPORT_LIB) -o $@ $(RPATH_FLAGS)', '$(MAKE) postcompile BIN=$(DEFAULT_TARGET)'])
return m
def execute_makefile(self, path_to_makefile, extra_opts=[]):
if isinstance(path_to_makefile, GnuMakefile):
path = path_to_makefile.makefile_dir
else:
path = path_to_makefile
log.execute('make %s in %s' % (" ".join(extra_opts), path))
returncode, stdout, stderr = _run_subprocess(
self.make_cmd, ['-C', str(path)] + extra_opts)
self._handle_error(returncode, stdout, stderr, path.join('make'))
class Definition(object):
def __init__(self, name, value):
self.name = name
self.value = value
def write(self, f):
def write_list(prefix, lst):
lst = lst or ['']
for i, fn in enumerate(lst):
fn = fn.replace('\\', '\\\\')
print >> f, prefix, fn,
if i < len(lst)-1:
print >> f, '\\'
else:
print >> f
prefix = ' ' * len(prefix)
name, value = self.name, self.value
if isinstance(value, str):
f.write('%s = %s\n' % (name, value.replace('\\', '\\\\')))
else:
write_list('%s =' % (name,), value)
f.write('\n')
class Rule(object):
def __init__(self, target, deps, body):
self.target = target
self.deps = deps
self.body = body
def write(self, f):
target, deps, body = self.target, self.deps, self.body
if isinstance(deps, str):
dep_s = deps
else:
dep_s = ' '.join(deps)
f.write('%s: %s\n' % (target, dep_s))
if isinstance(body, str):
f.write('\t%s\n' % body)
elif body:
f.write('\t%s\n' % '\n\t'.join(body))
f.write('\n')
class Comment(object):
def __init__(self, body):
self.body = body
def write(self, f):
f.write('# %s\n' % (self.body,))
class GnuMakefile(object):
def __init__(self, path=None):
self.defs = {}
self.lines = []
self.makefile_dir = py.path.local(path)
def pathrel(self, fpath):
if fpath.dirpath() == self.makefile_dir:
return fpath.basename
elif fpath.dirpath().dirpath() == self.makefile_dir.dirpath():
assert fpath.relto(self.makefile_dir.dirpath()), (
"%r should be relative to %r" % (
fpath, self.makefile_dir.dirpath()))
path = '../' + fpath.relto(self.makefile_dir.dirpath())
return path.replace('\\', '/')
else:
return str(fpath)
def definition(self, name, value):
defs = self.defs
defn = Definition(name, value)
if name in defs:
self.lines[defs[name]] = defn
else:
defs[name] = len(self.lines)
self.lines.append(defn)
def rule(self, target, deps, body):
self.lines.append(Rule(target, deps, body))
def comment(self, body):
self.lines.append(Comment(body))
def write(self, out=None):
if out is None:
f = self.makefile_dir.join('Makefile').open('w')
else:
f = out
for line in self.lines:
line.write(f)
f.flush()
if out is None:
f.close()
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