[BUG] unable to use NGX_LOG_STDERR log level

[Manlio Perillo]

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Hi.

I have noted that I can not use NGX_LOG_STDERR log level.
I get this compiler error message:

  cc1: warnings being treated as errors
  ...: error: comparison of unsigned expression >= 0 is always true


Nginx 0.8.34
gcc version 4.4.3 20100108 (prerelease) (Debian 4.4.2-9)


The GCC warning name is `type-limits` and it is implied by the `-W` option.

By the way, the `-W` option has been renamed in `-Wextra` in recent GCC
versions


Note that I'm using NGX_LOG_STDERR *only* for the very first draft of a
new module.

I have temporary solved the problem with a simple:
CFLAGS="$CFLAGS -Wno-type-limits"

but the solution is probably to store the log level in a signed integer.



Thanks  Manlio
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