Date: Tue, 28 Apr 2015 11:45:25 +0300 (MSK) From: Alexander Monakov <amonakov@...ras.ru> To: Andre McCurdy <armccurdy@...il.com> cc: musl@...ts.openwall.com Subject: Re: [PATCH] force LTO to be disabled when compiling dlstart.lo 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
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