Thank you both, I did a little research on gcc/driver bugzilla and it seepms my problem might be ralated to those bug reports: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86030 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45749 <- this one goes way back to 2010 but it is still pending Kind Regards, Filip czw., 22 wrz 2022 o 10:42 Jonathan Wakely <jwakely.gcc@xxxxxxxxx> napisał(a): > On Thu, 22 Sept 2022 at 09:19, Jonathan Wakely wrote: > > > > On Thu, 22 Sept 2022 at 07:45, LIU Hao via Gcc-help > > <gcc-help@xxxxxxxxxxx> wrote: > > > > > > 在 2022/9/21 00:02, mizo 91 via Gcc-help 写道: > > > > Hello, > > > > > > > > I'm having trouble compiling simple test program on windows 10 with > long > > > > list of includes provided via '@response_file' argument > > > > > > > > > > > > > > Greetings. mingw-w64 developer speaking. > > > > > > As far as I can see, there are at least two issues about your report: > > > > > > > > > The first, obvious issue is that the error message is incorrect. The > reason for that is, if we take > > > a look at 'libiberty/pex-win32.c' we see the following: > > > > > > 853 /* Create the child process. */ > > > 854 pid = win32_spawn (executable, (flags & PEX_SEARCH) != 0, > > > 855 argv, env, dwCreationFlags, &si, &pi); > > > 856 if (pid == (pid_t) -1) > > > 857 pid = spawn_script (executable, argv, env, dwCreationFlags, > > > 858 &si, &pi); > > > 859 if (pid == (pid_t) -1) > > > 860 { > > > 861 *err = ENOENT; > > > 862 *errmsg = "CreateProcess"; > > > 863 } > > > > > > We also notice this is the only place where `"CreateProcess"` appears > as a sole part of an error > > > message. > > > > > > The cause of this issue is apparent: libiberty tries `win32_spawn`, > and if for whatever reason it > > > fails, it makes another attempt with `spawn_script`, and if it fails > again, `*err` is always set to > > > `ENOENT` i.e. `No such file or directory`, no matter why. > > > > It seems to me that pex-win32.c should use GetLastError() (and maybe > > FormatMessage) to get a Windows error code, rather than assuming > > ENOENT. > > > > Using C++ that would look something like: > > > > std::string errmsg = "CreateProcess:" + > > std::system_category().message(GetLastError()); > > > > Or maybe win32_spawn should call GetLastError() and convert that to an > > errno value and store it in errno: > > > > std::error_condition ec = > > std::system_category().default_error_condition(GetLastError()); > > if (ec.category() == std::generic_category()) > > errno = ec.value(); > > else > > errno = ENOENT; // or EINVAL might be better? > > I reported https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107007 >