[SCM] GNU Autoconf source repository branch, master, updated. v2.68b-14-g220f8c2

[Eric Blake]

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- Log -----------------------------------------------------------------
commit 220f8c240df11dcf0829d86d33e3f354fe87e0ad
Author: Eric Blake <address@hidden>
Date:   Wed Mar 7 10:40:11 2012 -0700

    tests: ignore ksh -n warnings
    
    Recent ksh is noisy:
    
    $ ksh -nc '``'; echo $?
    ksh: warning: line 1: `...` obsolete, use $(...)
    0
    
    * tests/local.at (AT_CHECK_SHELL_SYNTAX): Ignore noisy ksh on.
    Reported by Martin Zaun.
    
    Signed-off-by: Eric Blake <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 tests/local.at |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/tests/local.at b/tests/local.at
index eb01cc0..66027e8 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -47,10 +47,11 @@ AT_CHECK([$at_diff "$1" "$2"])
 # AT_CHECK_SHELL_SYNTAX(PROGRAM)
 # ------------------------------
 # If the shell handles `-n' well, use it to check the syntax of PROGRAM;
-# otherwise, do nothing.
+# otherwise, do nothing.  ksh93 -n also spits outs loads of warnings
+# about older constructs, but we don't care about the warnings.
 m4_define([AT_CHECK_SHELL_SYNTAX],
 [AT_SKIP_IF([test "$ac_cv_sh_n_works" != yes])
-AT_CHECK([/bin/sh -n $1])])
+AT_CHECK([/bin/sh -n $1], [], [], [ignore])])
 
 m4_define([AT_CHECK_PERL_SYNTAX],
 [AT_CHECK([autom4te_perllibdir=$abs_top_srcdir/lib $PERL -c 
"$abs_top_builddir"/bin/$1],


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