Giulio Benetti 46bfc32157 meson: check if secure_getenv() is present ...

Not all libc make secure_getenv() available, this could lead to build
failure on certain build systems.

Check if secure_getenv() is available and emit #define
HAVE_SECURE_GETENV to config.h Include config.h to every c/c++ file
during building by adding `-include config.h` to project arguments for
both c and c++.

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Kieran: Drop unnessecary meson message
         Update commit message]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

2019-04-26 14:31:09 +02:00

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