On 29/01/21 10:06 -0600, Richard Shaw wrote:
I'm having an issue with OpenImageIO I don't understand.
The build is failing with a ton of errors like these:
/usr/bin/ld: ../../lib/libOpenImageIO.so.2.2.10: undefined reference to
`Field3D::v1_7::SparseFile::Reference<Imath_2_5::Vec3<double> >::openFile()'
/usr/bin/ld: ../../lib/libOpenImageIO.so.2.2.10: undefined reference to
`Field3D::v1_7::FieldCache<Imath_2_5::Vec3<float> >::ms_creationMutex'
/usr/bin/ld: ../../lib/libOpenImageIO.so.2.2.10: undefined reference to
`Field3D::v1_7::SparseFile::Reference<Imath_2_5::Vec3<float> >::openFile()'
/usr/bin/ld: ../../lib/libOpenImageIO.so.2.2.10: undefined reference to
`Field3D::v1_7::Field<Imath_2_5::Vec3<double> >::Vec
Field3D::v1_7::Field3DInputFile::readLayers<Imath_2_5::Vec3<double>
(std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&) const'
/usr/bin/ld: ../../lib/libOpenImageIO.so.2.2.10: undefined reference to
`Field3D::v1_7::SparseFile::Reference<Imath_2_5::Vec3<half> >::openFile()'
/usr/bin/ld: ../../lib/libOpenImageIO.so.2.2.10: undefined reference to
`Field3D::v1_7::MatrixFieldMapping::setLocalToWorld(Imath_2_5::Matrix44<double>
const&)'
But libOpenImageIO.so is being linked with Field3D so I assume it's some
interaction with openexr (the Imath_2_5 stuff). But when I look at the
build for Field3D and OpenImageIO they both are building against the new
openexr...
Is this even Boost related? It doesn't look like it, but it built
previously with the new openexr and the same version of Field3D before the
boost change AFAICT.
Yeah I looked at this one and decided it didn't look Boost related. I
don't know what did cause it though. Field3D was rebuild with the new
Boost.
To debug this it might help to add -Wl,--no-demangle to the gcc
options used for linking so that you get the mangled names of the
missing symbols. Then you can look at the Field3D libs and see if
they're providing those symbols, or if they have different names.
You can do that by looking at the demangled names in the errors above,
but it's sometimes easier to compare the real symbol names.
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