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Date: Wed, 26 Apr 2006 09:39:45 -0500
From: mwoehlke <mwoehlke-nospam AT tibco DOT com>
Subject: Re: How do I detect a failure in Make?
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Richard Quadling wrote:
> I have the following bash script ...
> 
> #!/bin/sh
> cvs up 2> $HOME/cvs1.log > $HOME/cvs2.log
> cd phpdoc
> autoconf -v -d --warnings=all &> $HOME/autoconf.log
> ./configure --with-source=./../php-src --with-pear-source=./../pear
> --with-chm=yes --with-treesaving > $HOME/configure.log
> make test > $HOME/make_test.log
[ $? -eq 0 ] || exit $?
> make test_xml > $HOME/make_test_xml.log
[ $? -eq 0 ] || exit $?
> make chm_xsl > $HOME/make_chm_xsl.log
[ $? -eq 0 ] || exit $?
> 
> Is there a way of stopping the makes if there was a problem.

(additions in-line)

You might want to try 'man bash'. Doing something based on the return 
status of a command is pretty basic. Also, TMTOWTDI:

if [ $? -ne 0 ] ; then exit $? ; fi
if [ $? -eq 0 ] ; then : ; else exit $? ; fi
if ! make > log ; then exit $? ; fi
if make > log ; then : ; else exit $? ; fi
make > log || exit $?

Note that using 'exit $?' is good practice because it means your 
*script* will fail, which means you can embed your *script* like you've 
embedded 'make' and take action based on if it succeeds or fails (this 
is ALWAYS good practice in the pipe-biased environment of UNIX). 
However, be careful that you don't do something that replaces $? with 
the exit status of someone other than 'make' (in which case you should 
either save the status or 'exit <non-zero constant>').

-- 
Matthew
All of my signatures are 100% original. Including this one.

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