[dpdk-dev] [PATCH v2] buildtools: fix build for some mktemp

Thomas Monjalon thomas at monjalon.net
Sat Oct 27 02:05:16 CEST 2018


27/10/2018 01:53, Ferruh Yigit:
> On 10/27/2018 12:47 AM, Thomas Monjalon wrote:
> > 27/10/2018 02:38, 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.
> >>
> >> Complied to mktemp requirements and add -xc flag to compiler to say
> >> `temp` file is a C file
> >>
> >> Fixes: ff37ca5d3773 ("devtools: use a common prefix for temporary files")
> >>
> >> Reported-by: Shuai Zhu <shuaix.zhu at intel.com>
> >> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
> >> ---
> >> v2:
> >> * keep using mktemp, add -xc to compiler
> >> ---
> >>  buildtools/auto-config-h.sh | 4 ++--
> >>  1 file changed, 2 insertions(+), 2 deletions(-)
> >>
> >> --- a/buildtools/auto-config-h.sh
> >> +++ b/buildtools/auto-config-h.sh
> >> -temp=$(mktemp -t dpdk.${0##*/}.XXX.c)
> >> +temp=$(mktemp -t dpdk.${0##*/}.c.XXXXXX)
> > 
> > It looks OK for this script.
> > 
> > Should we do the same kind of change for devtools/check-includes.sh?
> > and devtools/cocci.sh?
> 
> Not sure, this script is part of buildtool and required for build, so needs to
> be compatible for various systems. Above are devtools and can use new mktemp.

You mean nobody will use Wind River Linux 8.0 for developing?
You are probably right :)




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