Re: [ANNOUNCEMENT] GDB 15.1 released!

Jeffrey Walton via Gdb <[email protected]> writes:

> On Thu, Jul 11, 2024 at 4:00 PM Stuff Received <[email protected]> wrote:
>>
>> On 2024-07-07 14:02, Joel Brobecker via Gdb-announce via Gdb wrote (in
>> part):
>> >
>> >              GDB 15.1 released!
>> >
>> > Release 15.1 of GDB, the GNU Debugger, is now available.  GDB is
>> > a source-level debugger for Ada, C, C++, Fortran, Go, Rust, and many
>> > other languages.  GDB can target (i.e., debug programs running on)
>> > more than a dozen different processor architectures, and GDB itself
>> > can run on most popular GNU/Linux, Unix and Microsoft Windows variants.
>> GDB 15.1 successfully builds with GCC-13.3.0 and runs on Solaris 11.3/Sparc.
>>
>> I was unable to run the testsuite because I could not convince the build
>> to use /usr/gnu/bin/ld (or /usr/bin/gld).  The variable LD=/usr/bin/gld
>> passed to the configure script is ignored.
>
> Regarding /usr/bin/gld, from <https://gcc.gnu.org/install/specific.html>:
>
>     For linking, the Solaris linker is preferred. If you want to use the
>     GNU linker instead, the version in Solaris 11.4, from GNU binutils
>     2.30.1 or newer (in /usr/gnu/bin/ld and /usr/bin/gld), works, as does
>     the version from GNU binutils 2.42. However, it generally lacks
>     platform specific features, so better stay with Solaris ld. To use the
>     LTO linker plugin (-fuse-linker-plugin) with GNU ld, GNU binutils must
>     be configured with --enable-largefile. To use Solaris ld, we recommend
>     to configure with --without-gnu-ld --with-ld=/usr/bin/ld to guarantee
>     the right linker is found irrespective of the user’s PATH.

right: gcc simply doesn't support switching the linker used at runtime.
Solaris ld and GNU ld are way too different to allow for that.

However, I wonder why you would want to do so: I usually build and test
gdb on Solaris with a gcc configured to use /usr/bin/ld without issues.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University