[dpdk-dev] [PATCH] buildtools: fix build for some mktemp

Ferruh Yigit ferruh.yigit at intel.com
Fri Oct 26 20:31:45 CEST 2018


On 10/26/2018 6:59 PM, Thomas Monjalon wrote:
> 26/10/2018 20:42, Ferruh Yigit:
>> build error:
>> == Build drivers/net/tap
>> mktemp: cannot create temp file /tmp/dpdk.auto-config-h.sh.XXX.c:
>> Invalid argument
>> .../buildtools/auto-config-h.sh: line 86: : No such file or directory
>> .../drivers/net/tap/Makefile:55: recipe for target
>>    'tap_autoconf.h.new' failed
>>
>> Above error observed on Wind River Linux 8.0
>>
>> `mktemp` command in that system has a restrictions to have X in
>> the template at the end and at least six of them.
> 
> So let's comply with this requirement.

We can't directly, because that temp file needs to be a .c file.

What can be done is create a temp file via mktemp and append .c later:
_temp=$(mktemp -t dpdk.${0##*/}.XXXXXX)
temp=${_temp}.c

Do we need this?

> 
>> Switched back to static assignment for `temp` in buildtools,
>> but kept `dpdk.` prefix to preserve the common prefix intention.
> 
> It is a regression.
> mktemp allows to choose the temporary directory thanks to TMPDIR
> environment variable.
> 
> 
> 



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