[Sun C++ 5.9] -xM outputs full preprocessed output for .S files
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Key: STDCXX-480
URL: https://issues.apache.org/jira/browse/STDCXX-480
Project: C++ Standard Library
Issue Type: Bug
Components: External
Reporter: Martin Sebor
Compiling a .S file with Sun C++ 5.8 produces a listing of dependencies
suitable for inclusion in makefiles. Sun C++ 5.9 unexpectedly produces the full
preprocessed output instead:
$ CC -V -xM t.S
CC: Sun C++ 5.8 Patch 121017-08 2006/12/06
cpp: Software Generation Utilities (SGU) SunOS/SVR4
t.o: t.S
t.o: /usr/include/assert.h
$ CC -V -xM t.S | sed "/^ *$/d"
CC: Sun C++ 5.9 SunOS_sparc 2007/05/03
cpp: Software Generation Utilities (SGU) SunOS/SVR4
# 1 "t.S"
# 1 "/usr/include/assert.h" 1
#ident "@(#)assert.h 1.10 04/05/18 SMI"
# 20 "/usr/include/assert.h"
# 22 "/usr/include/assert.h"
# 28 "/usr/include/assert.h"
extern void _assert();
# 34 "/usr/include/assert.h"
# 51 "/usr/include/assert.h"
# 53 "/usr/include/assert.h"
# 60 "/usr/include/assert.h"
# 2 "t.S" 2
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