Help with gdb

[amr mohamed]

Dear all,

I am trying to debig the file ov.cc in the libeinterp directory 
when i run the command mkoctfile -g ov.cc i get:

In file included from /usr/local/include/octave-4.0.1-rc3/octave/dim-vector.h:35:0,

                 from /usr/local/include/octave-4.0.1-rc3/octave/Array.h:35,

                 from /usr/local/include/octave-4.0.1-rc3/octave/str-vec.h:31,

                 from ov.cc:30:

/usr/local/include/octave-4.0.1-rc3/octave/oct-refcount.h:27:3: error: #error "The file <octave/config.h> must be included before oct-refcount.h."

 # error "The file <octave/config.h> must be included before oct-refcount.h."

   ^

In file included from /usr/local/include/octave-4.0.1-rc3/octave/data-conv.h:28:0,

                 from ov.cc:28:

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:30:1: error: variable ‘OCTAVE_API oct_mach_info’ has initializer but incomplete type

 oct_mach_info

 ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:30:1: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:32:1: error: expected primary-_expression_ before ‘protected’

 protected:

 ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:32:1: error: expected ‘}’ before ‘protected’

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:32:1: error: expected ‘,’ or ‘;’ before ‘protected’

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:36:1: error: expected unqualified-id before ‘public’

 public:

 ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:47:10: error: ‘float_format’ does not name a type

   static float_format native_float_format (void);

          ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:53:10: error: ‘float_format’ does not name a type

   static float_format string_to_float_format (const std::string&);

          ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:55:46: error: ‘float_format’ was not declared in this scope

   static std::string float_format_as_string (float_format);

                                              ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:57:1: error: expected unqualified-id before ‘private’

 private:

 ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h: In function ‘void cleanup_instance()’:

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:61:48: error: ‘instance’ was not declared in this scope

   static void cleanup_instance (void) { delete instance; instance = 0; }

                                                ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h: At global scope:

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:64:11: error: ‘float_format’ does not name a type

   mutable float_format native_float_fmt;

           ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:67:16: error: non-member ‘big_chief’ cannot be declared ‘mutable’

   mutable bool big_chief;

                ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:71:24: error: ‘oct_mach_info’ does not name a type

   oct_mach_info (const oct_mach_info&);

                        ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:71:37: error: ISO C++ forbids declaration of ‘parameter’ with no type [-fpermissive]

   oct_mach_info (const oct_mach_info&);

                                     ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:71:39: error: expected constructor, destructor, or type conversion before ‘;’ token

   oct_mach_info (const oct_mach_info&);

                                       ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:73:3: error: ‘oct_mach_info’ does not name a type

   oct_mach_info& operator = (const oct_mach_info&);

   ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:74:1: error: expected declaration before ‘}’ token

 };

 ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:45:15: warning: ‘bool instance_ok()’ declared ‘static’ but never defined [-Wunused-function]

   static bool instance_ok (void);

               ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:49:15: warning: ‘bool words_big_endian()’ declared ‘static’ but never defined [-Wunused-function]

   static bool words_big_endian (void);

               ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:51:15: warning: ‘bool words_little_endian()’ declared ‘static’ but never defined [-Wunused-function]

   static bool words_little_endian (void);

               ^

/usr/local/include/octave-4.0.1-rc3/octave/mach-info.h:61:15: warning: ‘void cleanup_instance()’ defined but not used [-Wunused-function]

   static void cleanup_instance (void) { delete instance; instance = 0; }

               ^

I don't know how can i fix these errors.

Regards, 
Amr