On Wed, Apr 21, 2021 at 6:27 AM Tadeus Prastowo <tadeus.prastowo@xxxxxxxx> wrote: > > On Wed, Apr 21, 2021 at 6:20 AM Peng Yu via Gcc-help > <gcc-help@xxxxxxxxxxx> wrote: > > > > It seems when -print-prog-name does not exist. gcc still returns > > normally. This doesn't make much sense. Shouldn't it return a nonzero > > exist status in such a case? Thanks. > > > > $ gcc -print-prog-name=blahblah; echo $? > > blahblah > > 0 > > It returns normally because the option is provided as a service to > find out about the absolute path of a possibly-hypothetical library, > which is useful when you intend to build that library. That is for -print-file-name [1]. But the rationale applies to -print-prog-name. The absolute path is also useful to build/search something relative to where the given program name is expected by GCC to exist. [1] https://gcc.gnu.org/onlinedocs/gcc/Developer-Options.html#Developer-Options > > -- > > Regards, > > Peng -- Best regards, Tadeus
