Description of problem:
With elfutils-libelf-devel installed a kernel build from vanilla kernel.org sources with a stock Fedora 27 x86-64 .config breaks with unknown types.

For example:

In file included from /usr/include/gelf.h:32:0,
                 from arch/x86/../../elf.h:22,
                 from arch/x86/decode.c:26:
/usr/include/libelf.h:46:4: error: unknown type name ‘Elf32_Word’
    Elf32_Word   ch_type;        /* Compression format.  */
    ^~~~~~~~~~


Version-Release number of selected component (if applicable):
elfutils-libelf-devel-0.170-1.fc27.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Obtain kernel source
2. Set the .config
3. make

Actual results:
Build fails

Expected results:
Build works