Re: problem running test_installed suite was Re: more on mips-elf test installed

[Daniel Jacobowitz <drow at mvista dot com>]

On Mon, Dec 16, 2002 at 08:34:20AM -0600, Joel Sherrill wrote:
> 
> 
> Ben Elliston wrote:
> > 
> > >>>>> "Joel" == Joel Sherrill <joel.sherrill@OARcorp.com> writes:
> > 
> >   Joel> Executing on host: gcc /usr/share/dejagnu/testglue.c  -c    -o
> >   Joel> /usr3/ftp_archive/gnu/gcc/ss/b-3.2.1/r-arm-elf/testglue.o    (timeout =
> >   Joel> 300)
> > 
> >   Joel> Notice that testglue.c is being compiled by the NATIVE
> >   Joel> compiler -- not the cross!!!  What needs to be set to make
> >   Joel> runtest use the correct compiler on testglue.c?
> > 
> > What target_board have you told DejaGnu you're testing on?
> 
> I have been trying two configurations with the same results:
> 
> mips-elf with DejaGNU target board mips-sim
> arm-elf with DejaGNU target board arm-sim
> 
> Both produce vey good test results when I test inside the tree
> but if I run the tests from somewhere else, testglue.c is always
> compiled with the native "gcc".  The tests that do not link against
> testglue.c all appear to be passing.
> 
> Inside the tree, I do this:
> 
> make RUNTESTFLAGS="--target_board=${sim}" check check-gcc check-g++
> 
> Outside the tree, I do this:
> 
> ${gccpath}/contrib/test_installed --srcdir=${gccpath} \
>     --with-gcc=${1}-gcc \
>     --without-g++ \
>     --without-g77 \
>     --with-target=${sim}
> 
> where $1 is the gcc target which gets mapped to a simulator target
> a few lines above in the wrapper script I am using.
> 
> My test_installed is modified to take the --with-target option so
> runtest ends up being invoked like this:
> 
> runtest --tool gcc -v --target_board arm-sim
> 
> I am sure it is a 1-liner somewhere.  I think runtest or the gcc test
> suite scripts assume some variable besides GCC_UNDER_TEST is set to 
> tell it about the compiler to test.

build_wrapper (in libgloss.exp) uses target_compile.  That won't
respect GCC_UNDER_TEST.  Try CC_FOR_TARGET?

Andrew removed the ability to import CC_FOR_TARGET from the environment
(why?) but you can run "runtest --tool gcc -v --target_board arm-sim \
CC_FOR_TARGET=arm-elf-gcc"

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer