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Follow-up Comment #1, sr #108558 (project libtool):
Thanks for the report.
Just a quick note, Cygwin is not affected. This happens on
MSYS/MinGW only. On Cygwin, the Windows (or should I say DOS?)
NUL device is never involved.
cygwin$ /bin/nm -B /dev/null
/bin/nm: Warning: '/dev/null' is not an
Follow-up Comment #2, sr #108558 (project libtool):
I was not aware of the extent to which Cygwin is mangling
commandlines of pure-W32 programs it runs (since i don't
really use Cygwin; i do know it does some kind of conversion;
apparently, only in one direction). Evidently, it does not
replace
Follow-up Comment #3, sr #108558 (project libtool):
Well, in MSYS2 you can simply do:
nm -B /dev/thisfilebetternotexistotherwiseyoullbeintrouble
and get satisfactory results (file name and 'No such file'
in the output).
Can't say anything about MSYS1, haven't used it for some time.
That
Follow-up Comment #1, sr #108559 (project libtool):
Isn't this a more direct approach, not affected by new and even
more aggressive optimizations?
-volatile const char * MAGIC_EXE = $magic_exe;
+#if __GNUC__ 4 || (__GNUC__ == 4 __GNUC_MINOR__ 5)
+# define externally_visible volatile
+#else
+#
Follow-up Comment #4, sr #108558 (project libtool):
Well, in MSYS2 you can simply do:
nm -B /dev/thisfilebetternotexistotherwiseyoullbeintrouble
and get satisfactory results (file name and 'No such file'
in the output).
Can't say anything about MSYS1, haven't used it for some time.
That
Follow-up Comment #2, sr #108559 (project libtool):
Yeah, that worked
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Update of sr #108559 (project libtool):
Status:None = Done
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Follow-up Comment #3:
I have now pushed this change, thanks for testing!
Cheers,
Peter
Follow-up Comment #5, sr #108558 (project libtool):
Hmm, on second thought, that depends on MSYS (and MSYS2) still
thinking that an argument starting with more than two slashes
is a UNC path (or a switch). That might change if someone
points out that ///foo and /foo should be equivalent and that
Follow-up Comment #6, sr #108558 (project libtool):
Crap.
How about just opening a file that is known to not to exist?
Alternatively, give nm a real file that is at least 1 byte long (binutils nm
checks for filesize being 1 and fails quietly; having 1 byte makes it say
filename (which is
Follow-up Comment #7, sr #108558 (project libtool):
Ok, something like this seems safer:
mkdir conftest.dir
case `$tmp_nm -B conftest.dir/nofile` in
*conftest.dir/nofile*)
blablabla
esac
rm -rf conftest.dir
But I don't know how non-GNU nm behaves, so the safe-safe-safe
version only does the
Update of sr #107959 (project libtool):
Status:None = Done
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Follow-up Comment #1:
Fixed a while ago by commit a5a4944fbb2bbd20adb12b.
Cheers,
Peter
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