[Bug ld/26757] Cross and Native GDB Fails to Build on Cygwin

[ssbssa at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=26757

Hannes Domani <ssbssa at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ssbssa at sourceware dot org

--- Comment #4 from Hannes Domani <ssbssa at sourceware dot org> ---
This problem can also be reproduced with 64bit mingw-w64 builds when linking
with an image-base over 4GB, which is now also the default since this commit:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=514b4e191d5f46de8e142fe216e677a35fa9c4bb


Small example, thread-local.cpp:

extern thread_local int tlint;

int main()
{
  return tlint;
}


thread-local-2.cpp:

thread_local int tlint = 5;


$ g++ -othread-local.exe thread-local.cpp thread-local-2.cpp
-Wl,--image-base,0x140000000
C:\msys64\tmp\ccIyxkut.o:thread-local.cpp:(.text$_ZTW5tlint[_ZTW5tlint]+0x15):
relocation truncated to fit: R_X86_64_PC32 against undefined symbol `TLS init
function for tlint'
collect2.exe: error: ld returned 1 exit status

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