[Octave-bug-tracker] [bug #45298] Error when using a plot command inside a for cycle

[Rafael López]

Follow-up Comment #9, bug #45298 (project octave):

I have tried to install development version of octave-4.1.0+ from the tarball
to check the issue, but the make failed giving the following message:

CXX      liboctave/util/liboctave_util_libutil_la-sparse-util.lo
In file included from /usr/include/suitesparse/SuiteSparse_config.h:47:0,
                 from /usr/include/suitesparse/amd.h:46,
                 from liboctave/util/oct-sparse.h:29,
                 from liboctave/util/sparse-util.cc:31:
libgnu/math.h: In function 'int signbit(double)':
libgnu/math.h:2577:1: error: conflicting declaration of C function 'int
signbit(double)'
 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
 ^
libgnu/math.h:2577:1: note: previous declaration 'int signbit(float)'
 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
 ^
libgnu/math.h: In function 'int signbit(long double)':
libgnu/math.h:2577:1: error: conflicting declaration of C function 'int
signbit(long double)'
 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
 ^
libgnu/math.h:2577:1: note: previous declaration 'int signbit(double)'
 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
 ^
libgnu/math.h:2577:1: error: conflicting declaration of C function 'int
signbit(long double)'
 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)
 ^
libgnu/math.h:2577:1: note: previous declaration 'int signbit(float)'
 _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit)


Configure displayed some warnings:

configure: WARNING: CAMD library not found.  This will result in some lack of
functionality for sparse matrices.
configure: WARNING: COLAMD library not found.  This will result in some lack
of functionality for sparse matrices.
configure: WARNING: CCOLAMD library not found.  This will result in some lack
of functionality for sparse matrices.

Since I don't know whether they may have any relation with the error, I tried
configure using options:

--with-amd-includedir=/usr/include/suisparse 
--with-amd-libdir=/usr/lib64  
etc.

and using the respective   --without-... options.

Nothing changed in either case. The error abode.

Any hint?

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