From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jelle van der Waa Date: Tue, 28 Mar 2017 13:36:51 +0200 Subject: [U-Boot] building cross_tools, _POSIX_C_SOURCE and _XOPEN_SOURCE are redefined In-Reply-To: References: <20170317143114.GC19897@bill-the-cat> Message-ID: <20170328113650.GB2920@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 03/28/17 at 05:51am, Robert P. J. Day wrote: > On Fri, 17 Mar 2017, Tom Rini wrote: > > > On Wed, Mar 15, 2017 at 04:02:20AM -0400, Robert P. J. Day wrote: > > > from ././include/libfdt_env.h:12, > > > from :0: > > > /usr/include/features.h:225:0: note: this is the location of the previous definition > > > # define _POSIX_C_SOURCE 200809L > > > ^ > > > In file included from /usr/include/python2.7/pyconfig.h:6:0, > > > from /usr/include/python2.7/Python.h:8, > > > from tools/libfdt_wrap.c:143: > > > /usr/include/python2.7/pyconfig-64.h:1225:0: warning: "_XOPEN_SOURCE" redefined > > > #define _XOPEN_SOURCE 600 > > > ^ > > > In file included from /usr/include/stdint.h:25:0, > > > from /usr/lib/gcc/x86_64-redhat-linux/5.3.1/include/stdint.h:9, > > > from ././include/compiler.h:19, > > > from ././include/libfdt_env.h:12, > > > from :0: > > > /usr/include/features.h:166:0: note: this is the location of the previous definition > > > # define _XOPEN_SOURCE 700 > > > ^ > > > > > > > > > not sure if that concerns anyone enough to want to tweak it. > > > > This is the second report I've gotten about this. But, we don't set any > > of those things directly. It's something related to the python install > > you have. Can you please dig a bit more? Thanks! > > if no one else has figured out what is going on here, i'll try > poking around this weekend. but AFAIK, i haven't done anything out of > the ordinary with my python installation. The issue is that Python.h has to be included before the rest of the header files. As can be read in the Python documentation: "Note Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included." [1] I have no idea how to achieve this though in u-boot. [1] https://docs.python.org/3/c-api/intro.html#includes -- Jelle van der Waa