Building on Ubuntu about llvmlite HOT 8 CLOSED

This kind of error would imply that gcc is not compiling with C++11 features enabled. What is the output from:

llvm-config --cxxflags

from llvmlite.

$ llvm-config --cxxflags
-I/usr/lib/llvm-3.5/include  -DNDEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -g -O2 -fomit-frame-pointer -fvisibility-inlines-hidden -fno-exceptions -fPIC -Woverloaded-virtual -ffunction-sections -fdata-sections -Wcast-qual

from llvmlite.

Hmm... We should be adding the appropriate C++11 flag somewhere. As a workaround, can you try adding -std=c++11 to this line: https://github.com/numba/llvmlite/blob/master/ffi/Makefile.linux#L6

from llvmlite.

Thanks! Seems like it worked. Compile now does not raise any errors. The next error i'm getting is

/usr/bin/ld: cannot find -ledit

from llvmlite.

Found it. it was a missing dependency on libedit-dev. Now it it seems the build completes. By the way, Linker.h needed a symbolic link because LLVM moved it up one dir.

from llvmlite.

Oh, now I remember the source of this issue! The problem is that Ubuntu 14.04 ships a pre-release version of LLVM 3.5. It is from 5 months prior to the official LLVM 3.5 release, and there are various differences, like ones you have discovered.

You should be aware that we do not test Numba with this pre-release version of LLVM. If you run into trouble, you'll want to build the official LLVM release from scratch.

from llvmlite.

That seems to be the case. Apt-get fetched svn201651, dated Feb 19, but the release is Sep 3.
At any rate, I already managed to compile with the shipped version. LLVM have a binary for ubuntu, and Debian looks like it ships something more recent (it has the libedit dependency), so these are two options to look at before building. Something is broken in the supply chain in Ubuntu. Maybe put a note on the readme?

from llvmlite.

Yes, if an Ubuntu LTS release is shipping a pre-release LLVM, we should warn people.

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