[PATCH v2] ld: Support LD_UNDER_TEST environment variable

[Andreas Schwab]

On Mär 16 2024, H.J. Lu wrote:

> Support LD_UNDER_TEST environment variable to test a different linker.
> Issue an error if LD_UNDER_TEST isn't an absolute full path.
>
> 	* testsuite/config/default.exp: If LD_UNDER_TEST environment
> 	variable exists, set ld and LD to it and set up tmpdir/ld/ld.
> 	Issue an error if LD_UNDER_TEST isn't an absolute full path.
> ---
>  ld/testsuite/config/default.exp | 22 +++++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/ld/testsuite/config/default.exp b/ld/testsuite/config/default.exp
> index 705543054c2..25e94ac8df6 100644
> --- a/ld/testsuite/config/default.exp
> +++ b/ld/testsuite/config/default.exp
> @@ -21,6 +21,19 @@
>  # Written by Jeffrey Wheat (cassidy@cygnus.com)
>  #
>  
> +if [info exists env(LD_UNDER_TEST)] {
> +    # LD_UNDER_TEST must be an absolute full path.
> +    catch "file dirname $env(LD_UNDER_TEST)" dirname
> +    if {[string index $dirname 0] ne "/"} {

[file pathtype $env(LD_UNDER_TEST)] ne "absolute"

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."