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3e6dc39ed7
If we don't set this variable, it doesn't exist, and using "#progos:"
in an assembler-file will cause an error rather than just skipping the
test, viz:
Running /src/sim/testsuite/cris/hw/rv-n-cris/rvc.exp ...
ERROR: tcl error sourcing /src/sim/testsuite/cris/hw/rv-n-cris/rvc.exp.
ERROR: can't read "global_cc_os": no such variable
while executing
"if { $opts(progos) != "" && $opts(progos) != $global_cc_os } {
untested $subdir/$name
return
}"
(procedure "run_sim_test" line 102)
Neither the commit introducing progos, nor the top comment
in run_sim_test, mentions progos as intended only for C
tests, or that its use must be gated on $global_cc_works !=
0, so (not) setting it in the no-working-compiler path seems
just overlooked.
Allowing it to be used for assembler tests makes it usable
for e.g. an always-false predicate and in expressions in
.exp files without gating on $global_cc_works != 0.
With this patch, global_cc_os is set to "", just as for "unknown OS".
sim/testsuite:
* lib/sim-defs.exp (sim_init_toolchain): Set global_cc_os also when
no working target C compiler is found.
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.