ccc: @<filename> arguments are only treated specially if <filename>
exists, otherwise gcc just treats as an input.
- PR3591
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64640 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/ccc/ccclib/Arguments.py b/tools/ccc/ccclib/Arguments.py
index 2e4c206..5d20fea 100644
--- a/tools/ccc/ccclib/Arguments.py
+++ b/tools/ccc/ccclib/Arguments.py
@@ -1,3 +1,4 @@
+import os
###
@@ -1114,8 +1115,13 @@
# still take them as arguments).
pass
elif a[0] == '@':
- # FIXME: Handle '@'
- raise InvalidArgumentsError('@ style argument lists are unsupported')
+ # @<filename> is only an argument list if it actually
+ # exists, otherwise it is treated like an input.
+ if os.path.exists(a[1:]):
+ # FIXME: Handle '@'
+ raise InvalidArgumentsError('@ style argument lists are unsupported')
+ else:
+ args.append(PositionalArg(i, self.inputOption))
elif a[0] == '-' and a != '-':
args.append(self.lookupOptForArg(i, a, it))
else: