g++ with -fprofile-dir flag has a bug (backslash instead of forward-slash issue)
Sun Apr 12 12:56:00 GMT 2020
On 4/12/20 11:39 AM, John Selbie wrote:
> I would file a bug, but that link you provided takes me to a sign-up page
> that says, "Account creation restricted. Please contact ... response
> within 24 hours..."
> A quick cursory glace of GCC sources would suggest the issue is in
> \gcc\coverage.c. This is a snippit of a function that builds the mangled
> path for the .gcda file.
> if (profile_data_prefix)
> #if HAVE_DOS_BASED_FILE_SYSTEM
> const char *separator = "\\";
> const char *separator = "/";
> filename = concat (getpwd (), separator, filename, NULL);
> filename = mangle_path (filename);
> len = strlen (filename);
> I'm not an expert on building gcc. I just suspect that somewhere in the
> build chain HAVE_DOS_BASED_FILE_SYSTEM is getting defined for or by cygwin.
> Another cursory search of gcc sources suggest HAVE_DOS_BASED_FILE_SYSTEM is
> defined by this preprocessor stuff:
> #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined
> # ifndef HAVE_DOS_BASED_FILE_SYSTEM
> # define HAVE_DOS_BASED_FILE_SYSTEM 1
> # endif
> Still a gcc bug? I'm guessing so.
The file is in gcc, so yes.
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