Re: [PATCH] force LTO to be disabled when compiling dlstart.lo

[Alexander Monakov <amonakov@ispras.ru>]

On Tue, 28 Apr 2015, Alexander Monakov wrote:
> For reference, with GCC 4.9 that uses linker plugin for LTO automatically, I
> get the following diagnostics:
> 
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/../../../../x86_64-pc-linux-gnu/bin/ld:
> error: /tmp/ccxxkwJ8.ltrans0.ltrans.o: requires dynamic R_X86_64_PC32 reloc
> against '_dlstart_c' which may overflow at runtime; recompile with -fPIC
> /tmp/ccxxkwJ8.ltrans0.ltrans.o(.text+0x12): error: undefined reference to
> '_dlstart_c'

Hm, I've just noticed Andre was using gcc 4.9.2 as well.  I get the same
diagnostics with BFD linker -- the diagnostics above are produced when using
the Gold linker.

Rich, do gold diagnostics help to see what musl might be doing to confuse
symbols dependencies resolution?

Alexander