Wt

During the build process, the following warning was displayed:

/usr/bin/ld: CMakeFiles/test.wt.dir/utils/SslUtils.C.o: in function `SslUtils_readPrivateKey::test_method()':
SslUtils.C:(.text+0x71c): warning: the use of `tmpnam' is dangerous, better use `mkstemp'

Impact:
The use of tmpnam is unsafe and can lead to race conditions when creating temporary files, posing a potential security risk.

Suggested action:
Replace tmpnam with mkstemp, which is the recommended and safer alternative according to the C/C++ documentation.

Steps to reproduce:
Run the full project build.
Observe the warning during the linking stage.

Environment:

$ uname -a
Linux instance-20250626-1716 6.14.0-1013-oracle #13~24.04.1-Ubuntu SMP Wed Sep 10 06:43:11 UTC 2025 aarch64 aarch64 aarch64 GNU/Linux

$ clang --version
Ubuntu clang version 18.1.3 (1ubuntu1)
Target: aarch64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin

$ cmake --version
cmake version 3.28.3

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