[Octave-bug-tracker] [bug #54217] Build fails with error: call of overloaded ‘pow(int,int)’ is ambiguous

[Michele]

URL:
  <http://savannah.gnu.org/bugs/?54217>

                 Summary: Build fails with error: call of overloaded
‘pow(int, int)’ is ambiguous
                 Project: GNU Octave
            Submitted by: michele31415
            Submitted on: Sun 01 Jul 2018 12:13:01 AM UTC
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Build Failure
                  Status: None
             Assigned to: None
         Originator Name: Michele31415
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.0
        Operating System: Solaris/SunOS

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Details:

While building Octave 4.4.0 on a Solaris 10 Sparc M3000 using opencsw
dependencies,gcc 4.9.2, and gmake, after nearly reaching the end, I get:

...
  CXX      libinterp/corefcn/libinterp_corefcn_libcorefcn_la-__betainc__.lo
libinterp/corefcn/__betainc__.cc: In function ‘octave_value_list
F__betainc__(const octave_value_list&, int)’:
libinterp/corefcn/__betainc__.cc:80:44: error: call of overloaded ‘pow(int,
int)’ is ambiguous
       static const float tiny = pow (2, -50);
                                            ^
libinterp/corefcn/__betainc__.cc:80:44: note: candidates are:
In file included from
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/math.h:26:0,
                 from /opt/csw/include/c++/4.9.2/cmath:44,
                 from /opt/csw/include/c++/4.9.2/random:38,
                 from /opt/csw/include/c++/4.9.2/bits/stl_algo.h:66,
                 from /opt/csw/include/c++/4.9.2/algorithm:62,
                 from ./liboctave/array/Array.h:33,
                 from ./liboctave/util/str-vec.h:32,
                 from ./libinterp/octave-value/ov-fcn.h:31,
                 from ./libinterp/octave-value/ov-builtin.h:32,
                 from libinterp/corefcn/defun-int.h:30,
                 from libinterp/corefcn/defun.h:32,
                 from libinterp/corefcn/__betainc__.cc:28:
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/iso/math_iso.h:204:21:
note: long double std::pow(long double, long double)
  inline long double pow(long double __X, long double __Y) { return
                     ^
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/iso/math_iso.h:171:15:
note: float std::pow(float, float)
  inline float pow(float __X, float __Y) { return __powf(__X, __Y); }
               ^
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/iso/math_iso.h:72:15:
note: double std::pow(double, double)
 extern double pow __P((double, double));
               ^
libinterp/corefcn/__betainc__.cc:151:46: error: call of overloaded ‘pow(int,
int)’ is ambiguous
       static const double tiny = pow (2, -100);
                                              ^
libinterp/corefcn/__betainc__.cc:151:46: note: candidates are:
In file included from
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/math.h:26:0,
                 from /opt/csw/include/c++/4.9.2/cmath:44,
                 from /opt/csw/include/c++/4.9.2/random:38,
                 from /opt/csw/include/c++/4.9.2/bits/stl_algo.h:66,
                 from /opt/csw/include/c++/4.9.2/algorithm:62,
                 from ./liboctave/array/Array.h:33,
                 from ./liboctave/util/str-vec.h:32,
                 from ./libinterp/octave-value/ov-fcn.h:31,
                 from ./libinterp/octave-value/ov-builtin.h:32,
                 from libinterp/corefcn/defun-int.h:30,
                 from libinterp/corefcn/defun.h:32,
                 from libinterp/corefcn/__betainc__.cc:28:
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/iso/math_iso.h:204:21:
note: long double std::pow(long double, long double)
  inline long double pow(long double __X, long double __Y) { return
                     ^
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/iso/math_iso.h:171:15:
note: float std::pow(float, float)
  inline float pow(float __X, float __Y) { return __powf(__X, __Y); }
               ^
/opt/csw/lib/gcc/sparc-sun-solaris2.10/4.9.2/include-fixed/iso/math_iso.h:72:15:
note: double std::pow(double, double)
 extern double pow __P((double, double));
               ^
gmake[2]: *** [Makefile:17556:
libinterp/corefcn/libinterp_corefcn_libcorefcn_la-__betainc__.lo] Error 1
gmake[2]: Leaving directory '/export/home/michele/octave-4.4.0'
gmake[1]: *** [Makefile:26469: all-recursive] Error 1
gmake[1]: Leaving directory '/export/home/michele/octave-4.4.0'
gmake: *** [Makefile:10185: all] Error 2

This one really has me stumped.  Does anyone know what it's complaining about
here?  Thanks.





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