On 2011-10-20 15:23+0100 Andrew Ross wrote:
> Gcc with no standards flags is now warning free again.
Thanks, Andrew, for those changes which did solve the broken build for
export CFLAGS='-O3 -fvisibility=hidden'
export CXXFLAGS='-O3 -fvisibility=hidden'
export FFLAGS='-O3'
on my platform. Furthermore, "ctest -j8" completed with no errors.
However, there are 3 similar build warnings still left on my platform which are
as follows:
In file included from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/qt.h:72,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_PlotWindow.h:39,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_example.cpp:26:
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/plplotP.h:273:1:
warning: "isfinite" redefined
In file included from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/plplotP.h:111,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/qt.h:72,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_PlotWindow.h:39,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_example.cpp:26:
/usr/include/math.h:245:1: warning: this is the location of the previous
definition
In file included from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/qt.h:72,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_PlotWindow.h:39,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_PlotWindow.cpp:26:
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/plplotP.h:273:1:
warning: "isfinite" redefined
In file included from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/plplotP.h:111,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/qt.h:72,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_PlotWindow.h:39,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/examples/c++/qt_PlotWindow.cpp:26:
/usr/include/math.h:245:1: warning: this is the location of the previous
definition
In file included from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/qt.h:72,
from
/home/software/plplot_svn/HEAD/build_dir/examples/c++/../../../plplot_cmake_qt/examples/c++/qt_PlotWindow.h:39,
from
/home/software/plplot_svn/HEAD/build_dir/examples/c++/moc_qt_PlotWindow.cxx:10:
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/plplotP.h:273:1:
warning: "isfinite" redefined
In file included from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/plplotP.h:111,
from
/home/software/plplot_svn/HEAD/plplot_cmake_qt/include/qt.h:72,
from
/home/software/plplot_svn/HEAD/build_dir/examples/c++/../../../plplot_cmake_qt/examples/c++/qt_PlotWindow.h:39,
from
/home/software/plplot_svn/HEAD/build_dir/examples/c++/moc_qt_PlotWindow.cxx:10:
/usr/include/math.h:245:1: warning: this is the location of the previous
definition
The relevant lines from math.h on my platform are as follows:
/* Return nonzero value if X is not +-Inf or NaN. */
# ifdef __NO_LONG_DOUBLE_MATH
# define isfinite(x) \
(sizeof (x) == sizeof (float) ? __finitef (x) : __finite (x))
# else
# define isfinite(x) \
(sizeof (x) == sizeof (float) \
? __finitef (x) \
: sizeof (x) == sizeof (double) \
? __finite (x) : __finitel (x))
# endif
line 245 is just after the #else so apparently my system does have long
double math.
Alan
__________________________
Alan W. Irwin
Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).
Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (freeeos.sf.net); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).
__________________________
Linux-powered Science
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