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Re: Weird behaviour of AM_CONDITIONAL
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From: |
Eric Blake |
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Subject: |
Re: Weird behaviour of AM_CONDITIONAL |
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Date: |
Fri, 02 Sep 2011 10:48:11 -0600 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.20) Gecko/20110817 Fedora/3.1.12-1.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.12 |
On 09/02/2011 08:24 AM, Thibaut Le Guilly wrote:
I am using AM_CONDITIONAL to enable a user to choose between one kind of
library and another one with :
AM_CONDITIONAL([ENABLE_A], [test x$condition=xyes])
> Am I doing something wrong? Do you know how to solve this problem?
Wrong syntax. You meant:
test "x$condition" = xyes
the quoting around $condition, and the spacing around =, are essential
in shell syntax. Otherwise, if $condition has no whitespace to cause
IFS word splitting, you end up testing whether the single word
x$condition=xyes is non-empty, which it is, so the test is always true.
--
Eric Blake address@hidden +1-801-349-2682
Libvirt virtualization library http://libvirt.org