fdcavalcanti opened a new issue, #9596:
URL: https://github.com/apache/nuttx/issues/9596

   I just rebased my current fork and can't compile anymore. Something to do 
with misc/lib_memfd.c.
   Here's the information:
   
   ```
   misc/lib_memfd.c: In function 'memfd_create':
   CC:  misc/lib_crc32.c misc/lib_memfd.c:39:32: error: 
'CONFIG_LIBC_MEM_FD_VFS_PATH' undeclared (first use in this function); did you 
mean 'CONFIG_LIBC_FTOK_VFS_PATH'?
      39 | #  define LIBC_MEM_FD_VFS_PATH CONFIG_LIBC_MEM_FD_VFS_PATH
         |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   misc/lib_memfd.c:42:34: note: in expansion of macro 'LIBC_MEM_FD_VFS_PATH'
      42 | #define LIBC_MEM_FD_VFS_PATH_FMT LIBC_MEM_FD_VFS_PATH "/%s"
         |                                  ^~~~~~~~~~~~~~~~~~~~
   misc/lib_memfd.c:56:32: note: in expansion of macro 
'LIBC_MEM_FD_VFS_PATH_FMT'
      56 |   snprintf(path, sizeof(path), LIBC_MEM_FD_VFS_PATH_FMT, name);
         |                                ^~~~~~~~~~~~~~~~~~~~~~~~
   misc/lib_memfd.c:39:32: note: each undeclared identifier is reported only 
once for each function it appears in
      39 | #  define LIBC_MEM_FD_VFS_PATH CONFIG_LIBC_MEM_FD_VFS_PATH
         |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   misc/lib_memfd.c:42:34: note: in expansion of macro 'LIBC_MEM_FD_VFS_PATH'
      42 | #define LIBC_MEM_FD_VFS_PATH_FMT LIBC_MEM_FD_VFS_PATH "/%s"
         |                                  ^~~~~~~~~~~~~~~~~~~~
   misc/lib_memfd.c:56:32: note: in expansion of macro 
'LIBC_MEM_FD_VFS_PATH_FMT'
      56 |   snprintf(path, sizeof(path), LIBC_MEM_FD_VFS_PATH_FMT, name);
         |                                ^~~~~~~~~~~~~~~~~~~~~~~~
   misc/lib_memfd.c:42:55: error: expected ')' before string constant
      42 | #define LIBC_MEM_FD_VFS_PATH_FMT LIBC_MEM_FD_VFS_PATH "/%s"
         |                                                       ^~~~~
   misc/lib_memfd.c:56:32: note: in expansion of macro 
'LIBC_MEM_FD_VFS_PATH_FMT'
      56 |   snprintf(path, sizeof(path), LIBC_MEM_FD_VFS_PATH_FMT, name);
         |                                ^~~~~~~~~~~~~~~~~~~~~~~~
   make[1]: *** [Makefile:150: bin/lib_memfd.o] Error 1
   make[1]: *** Waiting for unfinished jobs....
   make: *** [tools/LibTargets.mk:180: libs/libc/libc.a] Error 2
   make: *** Waiting for unfinished jobs....
   
   ```
   
   Maybe someone who worked on it could check?
   
   Thanks


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