configure: allow disabling warnings #5689
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With `--enable-warnings`, it was not possible to disable warnings via CFLAGS that got explicitly enabled with that warnings. Now warnings are not enabled anymore if they are explicitly disabled (or enabled) in CFLAGS. This works for at least GCC, clang, and TCC as they have corresponding `-Wno-` options for every warning. Closes
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For some context: what I want to do is enable warnings-as-errors for our macOS CI builds. Most have it disabled at the moment because of a |
bagder
approved these changes
Jul 16, 2020
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With
--enable-warnings, it was not possible to disable warnings viaCFLAGS that got explicitly enabled with that warnings. Now warnings are
not enabled anymore if they are explicitly disabled (or enabled) in
CFLAGS. This works for at least GCC, clang, and TCC as they have
corresponding
-Wno-options for every warning.I'm not fluent with m4, so there might be a better or cleaner way to do that.
Tested with GCC (on Windows and macOS) and clang (on macOS), but TCC should behave the same.