configure: WARNING: no indent program found: make indent target will not function
scanflags.c: In function 'sf_init':
scanflags.c:65:13: warning: passing argument 2 of 'lerrsf_fatal' makes pointer from integer without a cast
             (long)sizeof(scanflags_t));
             ^
In file included from scanflags.c:34:0:
flexdef.h:912:13: note: expected 'const char *' but argument is of type 'long int'
 extern void lerrsf_fatal PROTO ((const char *, const char *));
             ^
buf.c: In function 'buf_linedir':
buf.c:101:60: warning: assignment discards 'const' qualifier from pointer target type
     for (dst = t + sprintf (t, "#line %d \"", lineno), src = filename; *src; *dst++ = *src++)
                                                            ^
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY