ccc ignores -x assembler-with-cpp rev. 66921

[Quuxplusone]

Bugzilla Link	PR3808
Status	RESOLVED FIXED
Importance	P normal
Reported by	Diane Bruce (db@db.net)
Reported on	2009-03-14 11:57:49 -0700
Last modified on	2009-03-14 19:12:13 -0700
Version	unspecified
Hardware	PC FreeBSD
CC	ahornung@gmail.com, anton@korobeynikov.info, clattner@nondot.org, daniel@zuster.org, db@db.net, ed@80386.nl, llvm-bugs@lists.llvm.org, pawel.worach@gmail.com, rdivacky@freebsd.org
Fixed by commit(s)
Attachments	testcase.s (40 bytes, text/plain) Types.py.diff (457 bytes, text/x-patch)
Blocks	PR3696
Blocked by
See also

Created attachment 2713
asm that works on gcc but not ccc

ccc does not run the preprocessor when asked for asm
with rev 66921
rev 66623 is known to work.

ccc -c  -x assembler-with-cpp testcase.s
testcase.s: Assembler messages:
testcase.s:4: Error: junk `(end)' after expression

cc -c  -x assembler-with-cpp testcase.s
(no error)

cc -c   testcase.s
testcase.s: Assembler messages:
testcase.s:4: Error: junk `(end)' after expression

[Quuxplusone]

Attached testcase.s (40 bytes, text/plain): asm that works on gcc but not ccc

[Quuxplusone]

Attached Types.py.diff (457 bytes, text/x-patch): Apply against Types.py in ccclib

[Quuxplusone]

I turned on support for using clang to handle -x assembler-with-cpp (previously it had been using gcc).

As it turns out, this bug is a problem in clang's assembler-with-cpp handling. We do not properly recognize the call to the macro. The problem is that in C mode this is an instance of the gcc extended "$" in identifiers.

For now, consider using -ccc-no-clang-cpp to work around (this must be the first argument to the driver). You can also do this via the environment variable 'CCC_ADD_ARGS=-ccc-no-clang-cpp'

Chris, is this much work to fix in clang?

[Quuxplusone]

_Bug 3805 has been marked as a duplicate of this bug._

[Quuxplusone]

Fixed here: http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20090309/013988.html