check fchmod existence for portabilityy

configure.ac

@@ -732,6 +732,8 @@ AC_DEFINE_IF([HAVE_DIRENT_H], [test "x${have_dirent}" = "xyes"],
 
 ### Checks for library functions
 
+AC_CHECK_FUNCS([fchmod])
+
 EFL_CHECK_FUNCS([EINA], [dlopen dladdr iconv shm_open splice setxattr])
 
 enable_log="no"

src/lib/eina/eina_file.c

@@ -1747,8 +1747,10 @@ eina_file_copy(const char *src, const char *dst, Eina_File_Copy_Flags flags, Ein
    success = _eina_file_copy_internal(s, d, st.st_size, cb, cb_data);
    if (success)
      {
+#ifdef HAVE_FCHMOD
         if (flags & EINA_FILE_COPY_PERMISSION)
           fchmod(d, st.st_mode);
+#endif
         if (flags & EINA_FILE_COPY_XATTR)
           eina_xattr_fd_copy(s, d);
      }