Hi Mathieu and Guix,

I managed to build bpftrace finally.  I set the build flag
HAVE_BFD_DISASM to false for the package.  I am not sure what the
implications will be.  No version of libbfd I used (binutils,
clang-toolchain, gcc-toolchain) was free of link errors, so using
HAVE_BFD_DISASM=false just disables the parts that use libbfd.  I have
not used the package yet, does anyone want to test it out?  Patches
attached.

Thanks!

- John