configure: add further -Werror=... options to detected CFLAGS
authorRich Felker <dalias@aerifal.cx>
Thu, 27 Aug 2020 22:50:02 +0000 (18:50 -0400)
committerRich Felker <dalias@aerifal.cx>
Thu, 27 Aug 2020 22:50:02 +0000 (18:50 -0400)
commite7f808e3595ad3111edec57270bdc088f64a418b
tree2a46f27f8bb7c218c33d3bc7d9c946c54d4dcff6
parent57f6e85c9de417fef5eece2a5b00c1104321f543
configure: add further -Werror=... options to detected CFLAGS

these four warning options were overlooked previously, likely because
they're not part of GCC's -Wall. they all detect constraint violations
(invalid C at the source level) and should always be on in -Werror
form.
configure