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Subject: Re: Forced to use --enable-unit-tests=no otherwise cross-compilation fail
To: William Tambe <tambewilliam@gmail.com>, gdb@sourceware.org
References: <CAF8i9mMMF+U3fubhwq0bRpbOYvF9xx=iS1_uzuUvH8A6_MBXvA@mail.gmail.com>
From: Simon Marchi <simark@simark.ca>
Message-ID: <894378b5-9447-7c55-d8fd-388658f81bd0@simark.ca>
Date: Tue, 04 Feb 2020 14:29:00 -0000
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On 2020-02-04 5:51 a.m., William Tambe wrote:
> With Binutils 2.34, I have to use --enable-unit-tests=no with
> ./configure otherwise cross-compilation fail trying to link
> gdbarch-selftests.o:
> 
> /usr/bin/ld: gdbarch-selftests.o: in function `_initialize_gdbarch_selftests()':
> /binutils-gdb-build/gdb/../../binutils-gdb/gdb/gdbarch-selftests.c:168:
> undefined reference to
> `selftests::register_test_foreach_arch(std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const&, void
> (*)(gdbarch*))'
> 
> Why is it now required to use --enable-unit-tests=no when cross-compiling ?
> 

Hmm this is not expected.  That missing symbol should be provided by gdb/selftest-arch.o.

Does that file get compiled (and linked) in your configuration?

Simon