1 files changed, 45 insertions, 0 deletions
diff --git a/long_gcc.py b/long_gcc.py
new file mode 100644
index 0000000000..20ca2a7f77
--- /dev/null
+++ b/long_gcc.py
@@ -0,0 +1,45 @@
+#! /usr/bin/env python
+# encoding: utf-8
+
+"""
+def build(bld):
+	bld.load('long_gcc')
+"""
+
+import os, tempfile
+from waflib import Task
+
+def exec_command(self, cmd, **kw):
+	# workaround for command line length limit:
+	# http://support.microsoft.com/kb/830473
+	tmp = None
+	try:
+		if not isinstance(cmd, str) and len(str(cmd)) > 8192:
+			(fd, tmp) = tempfile.mkstemp(dir=self.generator.bld.bldnode.abspath())
+			flat = ['"%s"' % x.replace('\\', '\\\\').replace('"', '\\"') for x in cmd[1:]]
+			try:
+				os.write(fd, ' '.join(flat).encode())
+			finally:
+				if tmp:
+					os.close(fd)
+			# Line may be very long:
+			# Logs.debug('runner:' + ' '.join(flat))
+			cmd = [cmd[0], '@' + tmp]
+		ret = super(self.__class__, self).exec_command(cmd, **kw)
+	finally:
+		if tmp:
+			os.remove(tmp)
+	return ret
+
+def wrap_class(class_name):
+	cls = Task.classes.get(class_name)
+	if not cls:
+		return None
+	derived_class = type(class_name, (cls,), {})
+	derived_class.exec_command = exec_command
+	if hasattr(cls, 'hcode'):
+		derived_class.hcode = cls.hcode
+	return derived_class
+
+for k in 'c cxx cprogram cxxprogram cshlib cxxshlib cstlib cxxstlib'.split():
+	wrap_class(k)