LT_AT_MAKE doesn't terminate the test on failure.

[Peter Rosin]

Hi!

I was looking into a test failure on Cygwin. I see this in the
testsuite output:

Standalone Libltdl.

 77: compiling softlinked libltdl                    FAILED (standalone.at:37)
 78: compiling copied libltdl                        FAILED (standalone.at:52)
 79: installable libltdl                             FAILED (standalone.at:70)

But, the line numbers are incorrect. What really failed is make, and not
what is being reported in the above.

Here's the end of the 77 log:        (78 and 79 are similar)

../../tests/standalone.at:35: $MAKE $target
stderr:
make[1]: *** No rule to make target `config/mdate-sh', needed by `distdir'.  
Stop.
stdout:
make[1]: Entering directory 
`/home/peda/libtool/git/libtool-msvc/cygwin/tests/testsuite.dir/077'
make[1]: Leaving directory 
`/home/peda/libtool/git/libtool-msvc/cygwin/tests/testsuite.dir/077'
../../tests/standalone.at:35: exit code was 2, expected 0
../../tests/standalone.at:37: test -f libltdlc.la
77. standalone.at:31: 77. compiling softlinked libltdl (standalone.at:31): 
FAILED (standalone.at:37)

As you can see, it's the make statement on line 35 that is failing,
not the "test -f libltdlc.la" on line 37.

I suspect this has something to do with the loop in LT_AT_MAKE, but
my m4-fu is weak...

I would also like to know what "make config/mdate-sh" is supposed to
accomplish, but that is a separate issue.

Cheers,
Peter