This code hasn't changed, so I'm assuming it's something new caught by gcc 6 
(!) that wasn't previously a warning.

How about changing that line to

        _root = new ((impl::xml_document_struct *)page->data) 
impl::xml_document_struct(page);

??


> On Feb 1, 2016, at 10:09 AM, Richard Shaw <[email protected]> wrote:
> 
> Ok, got a failure on Fedora Rawide:
> 
> [  8%] Building CXX object 
> src/libOpenImageIO/CMakeFiles/OpenImageIO.dir/imageinput.cpp.o
> cd /builddir/build/BUILD/oiio-Release-1.6.10/build/linux/src/libOpenImageIO 
> && ccache /usr/lib64/ccache/c++   -DBOOST_TEST_DYN_LINK -DEMBED_PLUGINS=1 
> -DNDEBUG -DOpenImageIO_EXPORTS -DPTEX_EXPORTS -DUSE_BOOST_ASIO=1 
> -DUSE_EXTERNAL_PUGIXML=1 -DUSE_FIELD3D=1 -DUSE_FREETYPE -DUSE_GIF 
> -DUSE_LIBRAW=1 -DUSE_OCIO=1 -DUSE_OPENCV -DUSE_OPENEXR_VERSION2=1 
> -DUSE_OPENJPEG -DUSE_OPENSSL=1 -DUSE_PTEX -DUSE_WEBP=1 
> -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -I/usr/include/OpenEXR 
> -I/usr/include/libraw -I/builddir/build/BUILD/oiio-Release-1.6.10/src/include 
> -I/builddir/build/BUILD/oiio-Release-1.6.10/build/linux/include/OpenImageIO 
> -I/builddir/build/BUILD/oiio-Release-1.6.10/build/linux/src/libOpenImageIO 
> -I/usr/include/openjpeg-1.5 -I/usr/include/freetype2 
> -I/usr/include/freetype2/freetype2 
> -I/usr/include/freetype2/freetype2/freetype  -O2 -g -pipe -Wall 
> -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions 
> -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -
 specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic  -O2 -g 
-DNDEBUG -fPIC   -Wall -Werror -fno-math-errno -Wno-error=unused-local-typedefs 
-Wno-unused-local-typedefs -Wno-unused-result -o 
CMakeFiles/OpenImageIO.dir/imageinput.cpp.o -c 
/builddir/build/BUILD/oiio-Release-1.6.10/src/libOpenImageIO/imageinput.cpp
> In file included from 
> /builddir/build/BUILD/oiio-Release-1.6.10/src/include/OpenImageIO/pugiconfig.hpp:41:0,
>                  from 
> /builddir/build/BUILD/oiio-Release-1.6.10/src/include/OpenImageIO/pugixml.hpp:20,
>                  from 
> /builddir/build/BUILD/oiio-Release-1.6.10/src/libOpenImageIO/formatspec.cpp:45:
> /builddir/build/BUILD/oiio-Release-1.6.10/src/include/OpenImageIO/pugixml.cpp:
>  In member function 'void OpenImageIO::v1_6::pugi::xml_document::create()':
> /builddir/build/BUILD/oiio-Release-1.6.10/src/include/OpenImageIO/pugixml.cpp:5143:58:
>  error: placement new constructing an object of type 
> 'OpenImageIO::v1_6::pugi::impl::xml_document_struct' and size '88' in a 
> region of type 'char [1]' and size '1' [-Werror=placement-new]
>    _root = new (page->data) impl::xml_document_struct(page);
>                                                           ^
> cc1plus: all warnings being treated as errors
> --- end ---
> 
> # gcc --version
> gcc (GCC) 6.0.0 20160129 (Red Hat 6.0.0-0.7)
> 
> Thanks,
> Richard
> 
> 
> _______________________________________________
> Oiio-dev mailing list
> [email protected]
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org

--
Larry Gritz
[email protected]


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