response files for c#, Issue 1182

waflib/Tools/cs.py

@@ -25,6 +25,7 @@ from waflib import Utils, Task, Options, Logs, Errors
 from waflib.TaskGen import before_method, after_method, feature
 from waflib.Tools import ccroot
 from waflib.Configure import conf
+import os, tempfile
 
 ccroot.USELIB_VARS['cs'] = set(['CSFLAGS', 'ASSEMBLIES', 'RESOURCES'])
 ccroot.lib_patterns['csshlib'] = ['%s']
@@ -124,6 +125,48 @@ class mcs(Task.Task):
 	color   = 'YELLOW'
 	run_str = '${MCS} ${CSTYPE} ${CSFLAGS} ${ASS_ST:ASSEMBLIES} ${RES_ST:RESOURCES} ${OUT} ${SRC}'
 
+	def exec_command(self, cmd, **kw):
+		bld = self.generator.bld
+
+		try:
+			if not kw.get('cwd', None):
+				kw['cwd'] = bld.cwd
+		except AttributeError:
+			bld.cwd = kw['cwd'] = bld.variant_dir
+
+		try:
+			tmp = None
+			if isinstance(cmd, list) and len(' '.join(cmd)) >= 8192:
+				program = cmd[0] #unquoted program name, otherwise exec_command will fail
+				cmd = [self.quote_response_command(x) for x in cmd]
+				(fd, tmp) = tempfile.mkstemp()
+				os.write(fd, '\r\n'.join(i.replace('\\', '\\\\') for i in cmd[1:]).encode())
+				os.close(fd)
+				cmd = [program, '@' + tmp]
+			# no return here, that's on purpose
+			ret = self.generator.bld.exec_command(cmd, **kw)
+		finally:
+			if tmp:
+				try:
+					os.remove(tmp)
+				except OSError:
+					pass # anti-virus and indexers can keep the files open -_-
+		return ret
+
+	def quote_response_command(self, flag):
+		# /noconfig is not allowed when using response files
+		if flag.lower() == '/noconfig':
+			return ''
+
+		if flag.find(' ') > -1:
+			for x in ('/r:', '/reference:', '/resource:', '/lib:', '/out:'):
+				if flag.startswith(x):
+					flag = '%s"%s"' % (x, flag[len(x):])
+					break
+			else:
+				flag = '"%s"' % flag
+		return flag
+
 def configure(conf):
 	"""
 	Find a C# compiler, set the variable MCS for the compiler and CS_NAME (mono or csc)