Source: gyoto
Version: 1.0.1-2
Severity: serious
Justification: fails to build from source (but built successfully in the past)
Builds of gyoto for 32-bit architectures such as i386 have been failing:
In file included from Photon.C:26:0:
../include/GyotoWorldline.h:65:37: error: no matches converting function
'_maxiter' to type 'Gyoto::Property::set_unsigned_long_t {aka void (class
Gyoto::Object::*)(long unsigned int)}'
GYOTO_PROPERTY_SIZE_T(c, MaxIter, _maxiter) \
^
../include/GyotoProperty.h:117:50: note: in definition of macro
'GYOTO_PROPERTY_UNSIGNED_LONG'
(Gyoto::Property::set_unsigned_long_t)&class::fname, \
^
../include/GyotoWorldline.h:127:3: note: in expansion of macro
'GYOTO_WORLDLINE_PROPERTIES'
GYOTO_WORLDLINE_PROPERTIES(c) \
^
Photon.C:46:1: note: in expansion of macro 'GYOTO_WORLDLINE_PROPERTY_END'
GYOTO_WORLDLINE_PROPERTY_END(Photon, Object::properties)
^
In file included from ../include/GyotoPhoton.h:41:0,
from Photon.C:22:
../include/GyotoWorldline.h:153:10: note: candidates are: size_t
Gyoto::Photon::_maxiter() const
size_t _maxiter () const ; \
^
../include/GyotoPhoton.h:99:3: note: in expansion of macro 'GYOTO_WORLDLINE'
GYOTO_WORLDLINE;
^
../include/GyotoWorldline.h:152:8: note: void
Gyoto::Photon::_maxiter(size_t)
void _maxiter (size_t miter) ; \
^
../include/GyotoPhoton.h:99:3: note: in expansion of macro 'GYOTO_WORLDLINE'
GYOTO_WORLDLINE;
^
The problem appears to be that GyotoProperty.h expects size_t to be
formally equivalent to unsigned long. This equivalence fully holds on
64-bit architectures, but on 32-bit Debian architectures, size_t is
technically unsigned int, which is formally distinct from unsigned
long even if it has the same representation and range of values.
I would suggest (unconditionally) extending Gyoto::Property with
get_size_t and and set_size_t methods, and redefining
GYOTO_PROPERTY_SIZE_T accordingly.
Could you please take a look?
Thanks!
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