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Re: How to exit if program is not found

From: Eric Blake
Subject: Re: How to exit if program is not found
Date: Thu, 14 Jun 2012 10:10:40 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1

On 06/14/2012 10:01 AM, Timothy Madden wrote:
> Hello
> I see in the info pages that autoconf macros check for various programs
> and set a variable if found, but how do I get the behaviour I see in
> most configure programs to exit with an error if a program is not found ?

One possible way:

AC_PATH_PROG([PROG], [prog], [], [$PATH:/other/dir])
if test -z "$PROG"; then
  AC_MSG_ERROR([could not find 'prog'])

Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library

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