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When running test-case gdb.base/break-probes.exp on ubuntu 18.04.5, we have: ... (gdb) bt^M #0 0x00007ffff7dd6e12 in ?? () from /lib64/ld-linux-x86-64.so.2^M #1 0x00007ffff7dedf50 in ?? () from /lib64/ld-linux-x86-64.so.2^M #2 0x00007ffff7dd5128 in ?? () from /lib64/ld-linux-x86-64.so.2^M #3 0x00007ffff7dd4098 in ?? () from /lib64/ld-linux-x86-64.so.2^M #4 0x0000000000000001 in ?? ()^M #5 0x00007fffffffdaac in ?? ()^M #6 0x0000000000000000 in ?? ()^M (gdb) FAIL: gdb.base/break-probes.exp: ensure using probes ... The test-case intends to emit an UNTESTED in this case, but fails to do so because it tries to do it in a regexp clause in a gdb_test_multiple, which doesn't trigger. Instead, a default clause triggers which produces the FAIL. Also the use of UNTESTED is not appropriate, and we should use UNSUPPORTED instead. Fix this by silencing the FAIL, and emitting an UNSUPPORTED after the gdb_test_multiple: ... if { ! $using_probes } { + unsupported "probes not present on this system" return -1 } ... Tested on x86_64-linux.
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.