[libvirt] [PATCH] maint: turn on gcc logical-op checking

[Daniel Veillard]

On Sat, Jul 24, 2010 at 10:36:50PM +0200, Matthias Bolte wrote:
> 2010/7/23 Eric Blake <eblake at redhat.com>:
[...]
> From: Eric Blake <eblake at redhat.com>
> Date: Fri, 23 Jul 2010 14:28:31 -0600
> Subject: [PATCH] maint: turn on gcc logical-op checking
> 
> This would have detected the bug in commit 38ad33931 (Aug 09), which
> we missed until commit f828ca35 (Jul 10); over 11 months later.
> 
> However, on Fedora 13, it also triggers LOTS of warnings from
> the libcurl-devel header for two files:
> 
> esx/esx_vi.c: In function 'esxVI_CURL_Perform':
> esx/esx_vi.c:232: error: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
> esx/esx_vi.c:232: error: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
> esx/esx_vi.c:232: error: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
> ...
> xenapi/xenapi_driver.c: In function 'call_func':
> xenapi/xenapi_driver.c:1872: error: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
> xenapi/xenapi_driver.c:1872: error: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
> xenapi/xenapi_driver.c:1872: error: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
> ...

  ACK to Matthias' patch, is there is a predefined way to avoid those
  defines, let's use it !

Daniel


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