Build warning in jpackage

[Andrew Haley]

On 12/12/19 9:31 AM, Yasumasa Suenaga wrote:
> AFAICS sysctl.h provides `sysctl()` and some macros, but they are not used in PosixPlatform.cpp .
> In fact, I did not see any error when I remove `#include <sys/sysctl.h>` from it.

You probably won't see an error unless you configure with
--disable-precompiled-headers. Please try that, and we can then
consider removing that #include.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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