Re: [bug-diffutils] [PATCH] tests: use more portable fd redirection in TESTS_ENVIRONMENT

[Jim Meyering]

Stefano Lattarini wrote:
> You might also want to apply the attached follow-up, with prevents
> an unportable usage of fd redirections in TESTS_ENVIRONMENT.
>
...
> Subject: [PATCH] tests: use more portable fd redirection in TESTS_ENVIRONMENT
>
> * tests/Makefile.am (TESTS_ENVIRONMENT): Redirection with `exec 9>&2'
> is not portable to various Korn shells, and to (at least) HP-UX 11
> /bin/sh.  Use a more portable idiom.
> See http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/22488 for
> lots of discussion.
> ---
>  tests/Makefile.am |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index 9835ab6..9952d67 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -21,7 +21,6 @@ EXTRA_DIST = \
>  TESTS_ENVIRONMENT =                          \
>    tmp__=$$TMPDIR; test -d "$$tmp__" || tmp__=.;      \
>    TMPDIR=$$tmp__; export TMPDIR;             \
> -  exec 9>&2;                                 \
>    export                                     \
>    VERSION='$(VERSION)'                               \
>    abs_top_builddir='$(abs_top_builddir)'     \
> @@ -40,7 +39,7 @@ TESTS_ENVIRONMENT =                         \
>    PREFERABLY_POSIX_SHELL='$(PREFERABLY_POSIX_SHELL)' \
>    REPLACE_GETCWD=$(REPLACE_GETCWD)           \
>    PATH='$(abs_top_builddir)/src$(PATH_SEPARATOR)'"$$PATH" \
> -  ;
> +  ; 9>&2
>
>  LOG_COMPILER= $(SHELL)

Thank you.
Applied.