Hi Neil,
If the following condition is met, line_comment_chars consists of just "#":
#if (defined (TE_I386AIX) \
|| ((defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) \
&& !defined (TE_LINUX) \
&& !defined (TE_NETWARE) \
&& !defined (TE_FreeBSD) \
&& !defined (TE_NetBSD)))
The problem can be seen with the i386-elf-as cross assembler from the
DarwinPorts i386-elf-binutils package on MacOS X on an Intel Mac (and I presume
on a PowerPC Mac too). I can reproduce the problem with a file called test.S
consisting of just these two lines:
Hmm - I think that those sources must be different from the official
binutils sources. In our sources the above piece of code looks like this:
--------------------------------------------------------------------
#if (defined (TE_I386AIX) \
|| ((defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) \
&& !defined (TE_GNU) \
&& !defined (TE_LINUX) \
&& !defined (TE_NETWARE) \
&& !defined (TE_FreeBSD) \
&& !defined (TE_NetBSD)))
/* This array holds the chars that always start a comment. If the
pre-processor is disabled, these aren't very useful. The option
--divide will remove '/' from this list. */
const char *i386_comment_chars = "#/";
#define SVR4_COMMENT_CHARS 1
#define PREFIX_SEPARATOR '\\'
#else
const char *i386_comment_chars = "#";
#define PREFIX_SEPARATOR '/'
#endif
/* This array holds the chars that only start a comment at the beginning of
a line. If the line seems to have the form '# 123 filename'
.line and .file directives will appear in the pre-processed output.
Note that input_file.c hand checks for '#' at the beginning of the
first line of the input file. This is because the compiler outputs
#NO_APP at the beginning of its output.
Also note that comments started like this one will always work if
'/' isn't otherwise defined. */
const char line_comment_chars[] = "#/";
--------------------------------------------------------------------
So line_comment_chars always contains a forward slash, regardless of the
settings of any defined constants.
I think that you may need to report this problem to the Darwin developers.
Cheers
Nick
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