Subject: [Boost-bugs] [Boost C++ Libraries] #8293: Unused Variable Warnings in Boost.Units due to BOOST_UNITS_STATIC_CONSTANT
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-03-15 15:45:12
#8293: Unused Variable Warnings in Boost.Units due to BOOST_UNITS_STATIC_CONSTANT
------------------------------+---------------------------------------------
Reporter: ahundt | Owner: matthiasschabel
Type: Bugs | Status: new
Milestone: To Be Determined | Component: units
Version: Boost 1.53.0 | Severity: Problem
Keywords: |
------------------------------+---------------------------------------------
In clang every globally declared unit using BOOST_UNITS_STATIC_CONSTANT
produces an unused variable warning, resulting in hundreds of warnings.
Compiler version:
c++ --version
Apple LLVM version 4.2 (clang-425.0.24) (based on LLVM 3.2svn)
Target: x86_64-apple-darwin12.2.0
Thread model: posix
Here is one sample:
^
/opt/local/include/boost/units/static_constant.hpp:27:24: note: expanded
from macro 'BOOST_UNITS_STATIC_CONSTANT'
static const type& name = name##_instance_t<true>::instance; \
^
In file included from redacted.cpp:18:
In file included from redacted2.h:20:
In file included from redacted3.h:25:
In file included from /opt/local/include/boost/units/systems/si.hpp:24:
/opt/local/include/boost/units/systems/si/acceleration.hpp:27:29: warning:
unused variable 'metre_per_second_squared' [-Wunused-variable]
BOOST_UNITS_STATIC_CONSTANT(metre_per_second_squared,acceleration);
^
-- Ticket URL: <https://svn.boost.org/trac/boost/ticket/8293> Boost C++ Libraries <http://www.boost.org/> Boost provides free peer-reviewed portable C++ source libraries.
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