tags 11897 + patch
severity 11897 minor
thanks

On 07/10/2012 01:44 PM, Max Horn wrote:
> Hi there,
>
Hi Max, thanks for the report.

> here is another test failure I am seeing on Mac OS X 10.7.4 with
> automake 1.12.2. Specifically, two tap test fail with errors.
> So when I execute
> 
>    make check TESTS="t/suffix8.tap t/suffix10.tap"
> 
> then I get this (after removing some fluff):
> 
> 
> PASS: t/suffix8.tap 1 - libtoolize
> PASS: t/suffix8.tap 2 - aclocal
> PASS: t/suffix8.tap 3 - autoconf
> PASS: t/suffix8.tap 4 - automake
> PASS: t/suffix8.tap 5
> ERROR: t/suffix8.tap 5 - configure # OUT-OF-ORDER (expecting 6)
> ERROR: t/suffix8.tap 6 - make test0 # OUT-OF-ORDER (expecting 7)
> ERROR: t/suffix8.tap 7 - make test1 # OUT-OF-ORDER (expecting 8)
> ERROR: t/suffix8.tap 8 - make test2 # OUT-OF-ORDER (expecting 9)
> ERROR: t/suffix8.tap 9 - make all # OUT-OF-ORDER (expecting 10)
> ERROR: t/suffix8.tap 11 # UNPLANNED
> ERROR: t/suffix8.tap 10 - make distcheck # UNPLANNED
> ERROR: t/suffix8.tap - too many tests run (expected 10, got 12)
> PASS: t/suffix10.tap 1 - libtoolize
> PASS: t/suffix10.tap 2 - aclocal
> PASS: t/suffix10.tap 3 - autoconf
> PASS: t/suffix10.tap 4 - automake
> PASS: t/suffix10.tap 5
> ERROR: t/suffix10.tap 5 - configure # OUT-OF-ORDER (expecting 6)
> ERROR: t/suffix10.tap 6 - make test # OUT-OF-ORDER (expecting 7)
> ERROR: t/suffix10.tap 7 - make all # UNPLANNED
> ERROR: t/suffix10.tap - too many tests run (expected 7, got 8)
> 
> 
> I think the problem is caused by the "configure" script spitting
> out these messages:
> 
> checking for archiver @FILE support... rm: cannot remove `conftest.dSYM': Is 
> a directory
> no
> checking for strip... strip
> checking for ranlib... ranlib
> checking command to parse /usr/bin/nm output from cc object... rm: cannot 
> remove `conftest.dSYM': Is a directory
> ok
> 
> Note the isolated "ok" on a line of its own; apparently this
> makes the test think that an unplanned test step occurred.
>
Your interpretation is absolutely correct.  The attached patch should
take care of the issue.  Could you give it a try?

> This in turn is caused by a "bug" in libtool -- or rather, there is
> a peculiar behavior of the Mac OS X compilers (namely to create
> conftest.dSYM directories under certain circumstances), and libtool
> hence needs to replace "rm -f conftest*" by "rm -rf conftest*". This
> was done some years ago, but apparently was forgotten in three cases.
> 
> I already reported this to libtool:
> <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11895>
>

> But since it directly affects the test suite of automake, I thought
> it best to report this here, too.
>
Well done.  This is a spurious failure that shouldn't interfere with
our test results.

> Perhaps you would like to workaround it by making the test a bit
> more strict about how it detects a completed test step?
>
This is not possible; the '*.tap' tests in the Automake testsuite
use the TAP protocol, and that mandates which output lines must be
interpreted as declaration of test results.  I think the workaround
implemented in the attached patch is the simplest and best fix.

Thanks,
  Stefano
>From f2c18ffe38212751434b246d84c245e16c4dfd3d Mon Sep 17 00:00:00 2001
Message-Id: <f2c18ffe38212751434b246d84c245e16c4dfd3d.1341927056.git.stefano.lattar...@gmail.com>
From: Stefano Lattarini <stefano.lattar...@gmail.com>
Date: Tue, 10 Jul 2012 15:29:57 +0200
Subject: [PATCH] tests: avoid spurious TAP errors on Mac OS X 10.7

Fixes automake bug#1897.  Reported by Max Horn.

* t/suffix8.tap: The libtool bug#11895 was causing the ./configure script
to output a stray "ok" string on a line of its own, confusing the TAP
driver into thinking this was an extra test result (which resulted in the
next, real test results being flagged as "OUT-OF-ORDER").  Fix this by
protecting configure output.
* t/suffix10.tap: Likewise.
* THANKS: Update.

Signed-off-by: Stefano Lattarini <stefano.lattar...@gmail.com>
---
 THANKS         |    1 +
 t/suffix10.tap |   13 ++++++++++++-
 t/suffix8.tap  |   14 +++++++++++++-
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/THANKS b/THANKS
index 01b78c1..afdd33a 100644
--- a/THANKS
+++ b/THANKS
@@ -245,6 +245,7 @@ Matthew D. Langston             langs...@slac.stanford.edu
 Matthias Andree                 matthias.and...@gmx.de
 Matthias Clasen                 cla...@mathematik.uni-freiburg.de
 Matthias Klose                  d...@ubuntu.com
+Max Horn                        m...@quendi.de
 Maxim Sinev                     g...@goods.ru
 Maynard Johnson                 mayna...@us.ibm.com
 Merijn de Jonge                 m.de.jo...@cwi.nl
diff --git a/t/suffix10.tap b/t/suffix10.tap
index a650924..7e19e04 100755
--- a/t/suffix10.tap
+++ b/t/suffix10.tap
@@ -57,11 +57,22 @@ cat > foo.x_ << 'END'
 int foo (void) { return yyparse(); }
 END
 
+# We must protect the TAP driver from the output of configure, since
+# that might output a stray "ok" on a line of its own (due to a
+# libtool bug on Mac OS X), thus causing a spurious test result to
+# be seen.  See automake bug#11897.
+run_configure ()
+{
+  st=0; ./configure >output 2>&1 || st=1
+  sed 's/^/  /' output
+  test $st -eq 0
+}
+
 command_ok_ "libtoolize" libtoolize --force
 command_ok_ "aclocal"    $ACLOCAL
 command_ok_ "autoconf"   $AUTOCONF
 command_ok_ "automake"   $AUTOMAKE --add-missing
-command_ok_ "configure"  ./configure
+command_ok_ "configure"  run_configure
 command_ok_ "make test"  $MAKE test
 
 directive=''; make_can_chain_suffix_rules || directive=TODO
diff --git a/t/suffix8.tap b/t/suffix8.tap
index fdaf087..87d6530 100755
--- a/t/suffix8.tap
+++ b/t/suffix8.tap
@@ -75,11 +75,23 @@ END
 echo 'int main (void) { return 0; }' > foo.x_
 echo 'int bar (void) { return 0; }' > bar.x_
 
+
+# We must protect the TAP driver from the output of configure, since
+# that might output a stray "ok" on a line of its own (due to a
+# libtool bug on Mac OS X), thus causing a spurious test result to
+# be seen.  See automake bug#11897.
+run_configure ()
+{
+  st=0; ./configure >output 2>&1 || st=1
+  sed 's/^/  /' output
+  test $st -eq 0
+}
+
 command_ok_ "libtoolize" libtoolize
 command_ok_ "aclocal"    $ACLOCAL
 command_ok_ "autoconf"   $AUTOCONF
 command_ok_ "automake"   $AUTOMAKE -a
-command_ok_ "configure"  ./configure
+command_ok_ "configure"  run_configure
 command_ok_ "make test0" env OBJEXT=foo $MAKE -e test0
 command_ok_ "make test1" $MAKE test1
 
-- 
1.7.9.5

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