[dpdk-dev] [PATCH v2] examples/ip_pipeline: fix freebsd build error

[Singh, Jasvinder]

> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas at monjalon.net]
> Sent: Tuesday, April 10, 2018 11:15 AM
> To: Singh, Jasvinder <jasvinder.singh at intel.com>
> Cc: dev at dpdk.org; Dumitrescu, Cristian <cristian.dumitrescu at intel.com>
> Subject: Re: [dpdk-dev] [PATCH v2] examples/ip_pipeline: fix freebsd build
> error
> 
> 10/04/2018 11:51, Jasvinder Singh:
> > IP_Pipeline app is not supported in FreeBSD environment. Therefore,
> > skip it while building the sample apps on FreeBSD.
> [...]
> > --- a/examples/ip_pipeline/Makefile
> > +++ b/examples/ip_pipeline/Makefile
> > @@ -67,6 +67,13 @@ RTE_TARGET ?= x86_64-native-linuxapp-gcc
> >
> >  include $(RTE_SDK)/mk/rte.vars.mk
> >
> > +ifneq ($(CONFIG_RTE_EXEC_ENV),"linuxapp")
> 
> You can use CONFIG_RTE_EXEC_ENV_LINUXAPP
> 
> > +$(info This application can only operate in a linuxapp environment, \
> > +please change the definition of the RTE_TARGET environment variable)
> > +all:
> > +clean:
> > +else
> 
> 
> Copy of my previous comment:
> "
> It is not skipping the example, just throwing an error (which is needed).
> 
> You should add a test in examples/Makefile to really skip it.
> "

In V2, we follow the same pattern as followed in other examples such as l3fwd-power, ethtool, etc.

If we put check in examples/Makefile, than how the situation is handled if someone tries to build ip_pipeline straight instead of building all examples. 

> In this v2, you replaced the error by an info message.
> Error was better in my opinion.
> 
>