From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v2 00/11] Fix build errors related to
	exported headers
Date: Tue, 05 Jul 2016 14:33:54 +0200
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Cc: dev@dpdk.org, Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
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2016-07-05 12:27, Ferruh Yigit:
> On 7/5/2016 11:44 AM, Adrien Mazarguil wrote:
> > DPDK uses GNU C language extensions in most of its code base. This is fine
> > for internal source files whose compilation flags are controlled by DPDK,
> > however user applications that use exported "public" headers may experience
> > compilation failures when enabling strict error/standard checks (-std and
> > -pedantic for instance).
> 
> Out of curiosity, is there a specific standard version that is targeted?

In the last patch (scripts/check-includes.sh), there is this:
+: ${PEDANTIC_CFLAGS=-std=c99 -pedantic -Wall -Wextra -Werror}
+: ${PEDANTIC_CXXFLAGS=}
+: ${PEDANTIC_CPPFLAGS=-D_XOPEN_SOURCE=600}

I guess it means that strict C99 is targeted and there is no standard
requirement for C++.