Re: gdb.asm/asm-source.exp creation of arch.inc doesn't work for relative ${srcdir}

[Daniel Jacobowitz <drow at mvista dot com>]

On Tue, Apr 16, 2002 at 10:31:32AM -0400, Elena Zannoni wrote:
> Daniel Jacobowitz writes:
>  > ${srcdir} in the testsuite is for gdb/testsuite/; but a symbolic link in
>  > gdb.asm needs to have an extra '..' if it's an absolute path.  I always
>  > configure as '../srcdir/configure', so this breaks for me.
>  > 
> 
> Ahhh, relative paths! I gave up on those. Sometimes I was seeing odd
> testsuite failures due to that. Anyway....
> 
>  > Do you think creating the link in objdir/gdb/testsuite/ instead would be a
>  > good solution?  I can't think of another portable one.
>  > 
> 
> How about the following.  Somebody reminded me that there is no
> technical reason to use a symlink at all. I tried with relative and
> absolute paths, and seems to work fine. Can you try it?

It works, with one caveat:

> Index: asm-source.exp
> ===================================================================
> RCS file: /cvs/uberbaum/gdb/testsuite/gdb.asm/asm-source.exp,v
> retrieving revision 1.21
> diff -u -p -r1.21 asm-source.exp
> --- asm-source.exp	8 Apr 2002 00:01:06 -0000	1.21
> +++ asm-source.exp	16 Apr 2002 14:27:16 -0000
> @@ -87,9 +87,7 @@ set binfile ${objdir}/${subdir}/${testfi
>  set src1 ${srcdir}/${subdir}/asmsrc1.s
>  set src2 ${srcdir}/${subdir}/asmsrc2.s
>  
> -set insn_file ${srcdir}/${subdir}/${asm-arch}.inc
> -remote_exec build "rm -f ${objdir}/${subdir}/arch.inc"

Please don't delete this line.  If you remote_download onto a dangling
symlink, you get an error.  I don't know what happens if you remote
download onto a normal symlink, but it runs a risk of clobbering
something in ${srcdir}.


> -remote_exec build "ln -s ${insn_file} ${objdir}/${subdir}/arch.inc"
> +remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc
>  
>  if { "${asm-flags}" == "" } {
>      #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"
> @@ -278,3 +276,4 @@ gdb_test "print staticvar" ".* = 5" "loo
>  gdb_test "disassem foostatic" ".*<foostatic>:.*End of assembler dump." \
>  	"look at static function"
>  
> +remote_exec build "rm -f ${objdir}/${subdir}/arch.inc"
> 

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer