Sevan Janiyan

``` Test Summary Report ------------------- comp/hints.t (Wstat: 0 Tests: 31 Failed: 1) Failed test: 31 comp/parser_run.t (Wstat: 0 Tests: 70 Failed: 70) Failed tests: 1-70 io/argv.t (Wstat: 0 Tests: 53...

``` Failed 89 tests out of 2565, 96.53% okay. ../cpan/CPAN-Meta-YAML/t/30_yaml_spec_tml.t ../cpan/CPAN-Meta/t/converter.t ../cpan/ExtUtils-MakeMaker/t/unicode.t ../cpan/Pod-Simple/t/corpus.t ../cpan/Pod-Simple/t/rtf_utf8.t ../cpan/Scalar-List-Utils/t/exotic_names.t ../cpan/Text-ParseWords/t/ParseWords.t ../dist/PathTools/t/cwd_enoent.t ../ext/POSIX/t/math.t ../ext/XS-APItest/t/cophh.t ../ext/XS-APItest/t/handy00.t ../ext/XS-APItest/t/hash.t ../ext/XS-APItest/t/op.t ../ext/XS-APItest/t/utf8.t ../lib/charnames.t ../lib/overload.t ../lib/utf8.t ../lib/warnings.t io/open.t lib/croak.t mro/next_ineval_utf8.t...

This change is incomplete for removing `-Wno-unused-variable` from the Makefile. This removes all the obvious unused variables. I have local changes which I've not committed which allow me to complete...

@MaxG87 do you want to merge this?

For the `empty_string` test, output is ``` FILE:1: no such option 'Þ° ^A^Uhàr¤' ---------------------------------------------- empty_string.c:37: test FAILED: Failed test: cfg_parse_fp(cfg, f) == CFG_SUCCESS ---------------------------------------------- FAIL empty_string (exit status: 1) ```...

@troglobit I can help with this, what would you like to see from gdb for the `empty_string` test?

FYI the `empty_string` issue is not exclusive to Darwin. I've recreated it on FreeBSD 13.2 by forcing the use of the `fmemopen` implementation supplied by libconfigure. To reproduce, `./configure ac_cv_func_fmemopen=no...

Not yet. There's no back trace for `empty_string` since it's a single function. it's all happening in `main()` but I can step trough it. Still playing around to find out...

Ok, I've narrowed it down to the second half of `tests/empty_string.c`, if I comment out line 35 to 40 so the second part never runs, then the empty string test...

Issue is the `fmemopen` substitute which is a wrapper for `funopen`. The `funopen(3)` manual on macOS states ``` The funopen() function associates a stream with up to four ``I/O functions''....