def BuildLibrary(self, library_ppath, object_ppaths):
"""Builds a static library.
Args:
library_path: The library target project path.
object_paths: The objects project paths.
"""
library_apath = os.path.join(self._output_dir, library_ppath)
misc.MakeDirectoriesFor(library_apath)
object_apaths = [
os.path.join(self._output_dir, ppath) for ppath in object_ppaths
]
if self.IsUpToDate(object_ppaths, [library_ppath]):
logging.info('%s is up to date', library_ppath)
return
for object_apath in object_apaths:
assert os.path.exists(object_apath), ('Cannot find object: %s' %
object_apath)
command = ([self.vars.AR, 'rc', library_apath] + object_apaths)
logging.info('Building library: %s', library_ppath)
self.Exec(command)
assert os.path.exists(library_apath)
command = [self.vars.RANLIB, library_apath]
self.Exec(command)
self.RecordMetadata(object_ppaths, [library_ppath])
def CompileCC(self, source_ppath):
"""Compiles a C++ source file into an object file.
Args:
source_ppath: .cc file project path.
"""
source_apath = self.GetSourceAbsolutePath(source_ppath)
object_ppath = misc.SwitchSuffix(source_ppath, '.cc', '.o')
object_apath = os.path.join(self._output_dir, object_ppath)
source_ppaths = set([source_ppath])
source_ppaths.update(self.GetCCIncludesClosure(source_ppath))
target_ppaths = [object_ppath]
if self.IsUpToDate(source_ppaths, target_ppaths):
logging.info('%s -> %s is up to date', source_ppath, object_ppath)
return
misc.MakeDirectoriesFor(object_apath)
command = (self.vars.CXX_COMPILER_COMMAND + self.vars.CXX_FLAGS + [
'-I' + self._source_dir,
'-I' + self._output_dir,
'-c',
source_apath,
'-o',
object_apath,
])
logging.info('Compiling C++: %s', source_ppath)
self.Exec(command)
self.RecordMetadata(source_ppaths, target_ppaths)
def LinkProgram(self,
program_ppath,
object_ppaths,
library_ppaths,
link_flags=Default):
"""Links a C++ binary."""
if link_flags is Default: link_flags = self.vars.LINK_OPTIONS
program_apath = os.path.join(self._output_dir, program_ppath)
misc.MakeDirectoriesFor(program_apath)
object_apaths = [
self.GetSourceAbsolutePath(ppath) for ppath in object_ppaths
]
library_apaths = [
self.GetSourceAbsolutePath(ppath) for ppath in library_ppaths
]
# Check if program is already up-to-date
source_ppaths = list(object_ppaths) + library_ppaths
target_ppaths = [program_ppath]
if self.IsUpToDate(source_ppaths, target_ppaths):
logging.info('Program %s is up to date', program_ppath)
return
for object_apath in object_apaths:
assert os.path.exists(object_apath), ('Cannot find object %s' %
object_apath)
for library_apath in library_apaths:
assert os.path.exists(library_apath), ('Cannot find library %s' %
library_apath)
command = ([self.vars.LINKER] + ['-o', program_apath] + link_flags +
library_apaths + object_apaths + library_apaths +
link_flags)
logging.info('Linking binary: %s', program_ppath)
self.Exec(command)
self.RecordMetadata(source_ppaths, target_ppaths)
