On Tuesday 14 April 2009 09:41:33 Eric Blake wrote: > According to Eric Blake on 4/9/2009 10:27 PM: > >> I'm also leaning towards omitting the else if $1 is provably blank, > >> otherwise providing the : in case non-blank $1 ultimately expands to a > >> blank (unless someone finds a shell where 'if false ; then :; fi; echo > >> $?' fails to output 0). AS_CASE and AS_FOR are also candidates for > >> this. And it will be easier with m4_ifblank. Stay tuned; I'll have a > >> patch by the end of the week. > > > > Here's what I'm about to apply. > > Sorry for committing before the testsuite completed. It turns out that > this introduced a regression in 'make check TESTSUITEFLAGS="-k > AC_RUN_IFELSE"', due to the following: > > $ if false; then :; else echo $?; fi > 1 > > But adding the : after the else, we have effectively made it impossible > for the user to grab $? after the if condition, so I'll have to rethink > this patch.
use "(exit $?);" instead ? -mike
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