Re: [PATCH 4/4] _AC_OUTPUT_FILES_PREPARE: Rephrase CONFIG_FILES test
Bernhard Reutner-Fischer <[email protected]>
| Newsgroups | gmane.comp.sysutils.autoconf.patches |
|---|---|
| Message-ID | <CAC1BbcRYmGGyvJhPhGSYX6VPsqb1M5eyX5MD2HHCJ-GQVhyawA@mail.gmail.com> |
On 9 April 2015 at 15:22, Eric Blake <[email protected]> wrote: > On 04/09/2015 06:43 AM, Bernhard Reutner-Fischer wrote: >> 2015-04-08 Bernhard Reutner-Fischer <[email protected]> >> >> * lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Rephrase >> test for empty CONFIG_FILES. >> >> Signed-off-by: Bernhard Reutner-Fischer <[email protected]> >> --- >> lib/autoconf/status.m4 | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/lib/autoconf/status.m4 b/lib/autoconf/status.m4 >> index 7ccc847..6a00739 100644 >> --- a/lib/autoconf/status.m4 >> +++ b/lib/autoconf/status.m4 >> @@ -327,7 +327,7 @@ m4_define([_AC_OUTPUT_FILES_PREPARE], >> [# Set up the scripts for CONFIG_FILES section. >> # No need to generate them if there are no CONFIG_FILES. >> # This happens for instance with `./config.status config.h'. >> -if test -n "$CONFIG_FILES"; then >> +if [[ ${CONFIG_FILES:+y} ]]; then > > Why the ${a:+b} form here, but the ${a+b} form in patch 1? If CONFIG_FILES is set to an empty string then there's nothing to do i assume. thanks,