def Build(self, env):
output_files = self.GetOutputFiles(env)
Utils.Print(env, "Linking: " + output_files[0] + "\n")
# Construct the command-line
cmdline = ["link.exe"] + env.CurrentConfig.LinkOptions.CommandLine
cmdline += ['/OUT:' + output_files[0]]
if env.CurrentConfig.LinkOptions.MapFile:
cmdline += ["/MAP:" + output_files[1]]
cmdline += [dep.GetOutputFiles(env)[0] for dep in self.Dependencies]
cmdline += [dep.GetOutputFiles(env)[0] for dep in self.LibFiles]
cmdline += [dep.GetOutputFiles(env)[0] for dep in self.WeakLibFiles]
Utils.ShowCmdLine(env, cmdline)
#
# When library files get added as dependencies to this link node they get added without a path.
# This requires the linker to check its list of search paths for the location of any input
# library files.
#
# The build system however, needs full paths to evaluate dependencies on each build. Rather than
# trying to search the library paths in the build system (and potentially getting them wrong/different
# to the linker), the linker is asked to output the full path of all libraries it links with. These
# then get added as implicit dependencies.
#
# Create the lib scanner and run the link process
#
scanner = Utils.LineScanner(env)
scanner.AddLineParser(
"Includes", "Searching ",
["Searching libraries", "Finished searching libraries"],
lambda line, length: line[length:-1])
process = Process.OpenPiped(cmdline, env.EnvironmentVariables)
Process.PollPipeOutput(process, scanner)
#
# Weak library files are those that should be provided as input to the link step but not used
# as dependencies to check if the link step needs to be rebuilt. Search for those in the scanner
# output and exclude them from the implicit dependency list.
#
includes = []
for include in scanner.Includes:
ignore_dep = False
for lib in self.WeakLibFiles:
lib_name = lib.GetInputFile(env)
if lib_name in include:
ignore_dep = True
break
if not ignore_dep:
includes.append(include)
# Record the implicit dependencies for this file
data = env.GetFileMetadata(self.GetInputFile(env))
data.SetImplicitDeps(env, includes)
return process.returncode == 0
def Extract7ZipFileTo(filename, path):
if SevenZipExe == None:
print("ERROR: 7-Zip has not been installed. Call Install7Zip first.")
return
# Use previously-installed 7zip
command_line = f"{SevenZipExe} x -o{path} {filename}"
process = Process.OpenPiped(command_line)
Process.PollPipeOutput(process, lambda t: print(t.strip("\r\n")))
def Build(self, env):
output_files = self.GetOutputFiles(env)
# Construct the command-line
cpp_opts = self.GetCPPOptions(env)
cmdline = ["cl.exe"] + cpp_opts.CommandLine
if len(output_files) > 1:
cmdline += ["/Fd" + output_files[1]]
cmdline += ["/Fo" + output_files[0], self.GetInputFile(env)]
Utils.ShowCmdLine(env, cmdline)
# Create the include scanner and launch the compiler
scanner = Utils.LineScanner(env)
scanner.AddLineParser("Includes", "Note: including file:", None,
lambda line, length: line[length:].lstrip())
process = Process.OpenPiped(cmdline, env.EnvironmentVariables)
Process.PollPipeOutput(process, scanner)
# Record the implicit dependencies for this file
data = env.GetFileMetadata(self.GetInputFile(env))
data.SetImplicitDeps(env, scanner.Includes)
return process.returncode == 0
