casaroli opened a new pull request, #3939:
URL: https://github.com/apache/nuttx-apps/pull/3939

   ## Summary
   
   The Makefile and CMakeLists.txt of `interpreters/luamodules/luasyslog` 
defined `openlog()` and `closelog()` as macros for `lsyslog.c`. `<syslog.h>` 
already gives both, so these macros are not necessary. apache/nuttx#21128 makes 
`openlog()` and `closelog()` functions of libc; then the macros expand inside 
the declarations of `<syslog.h>`, and `lsyslog.c` does not compile.
   
   This PR removes the macros. `lsyslog.c` then uses `openlog()` and 
`closelog()` of `<syslog.h>`.
   
   ## Impact
   
   Only the build of the luasyslog Lua module (sim:lua). It works with the 
current `<syslog.h>` (macros) and with the new one (functions), so this PR can 
merge first.
   
   ## Testing
   
   sim:lua (macOS host) with this PR and apache/nuttx#21128 builds and links 
`lsyslog.c`. A file with the `openlog()`/`closelog()` calls of `lsyslog.c`, 
compiled without the macros against `<syslog.h>` of nuttx master and of 
apache/nuttx#21128: both compile. With the macros, it does not compile against 
apache/nuttx#21128.
   
   `tools/checkpatch.sh -c -u -m -g` passes.
   


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