[U-Boot] building cross_tools, _POSIX_C_SOURCE and _XOPEN_SOURCE are redefined

[Robert P. J. Day]

On Fri, 17 Mar 2017, Tom Rini wrote:

> On Wed, Mar 15, 2017 at 04:02:20AM -0400, Robert P. J. Day wrote:
> >
> >   to build cross_tools, i ran:
> >
> >   $ make sandbox_defconfig
> >   $ make cross_tools
> >
> > and while it appeared to work, i got:
> >
> > ... snip ...
> >
> > LDFLAGS="" python ./lib/libfdt/setup.py \
> > 	"-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer    -DCONFIG_FIT_SIGNATURE -include ./include/libfdt_env.h -idirafterinclude -idirafter./arch/sandbox/include -I./lib/libfdt -I./tools -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -D_GNU_SOURCE " lib/libfdt/fdt.c lib/libfdt/fdt_ro.c lib/libfdt/fdt_rw.c lib/libfdt/fdt_strerror.c lib/libfdt/fdt_wip.c lib/libfdt/fdt_region.c lib/libfdt/fdt_sw.c tools/libfdt_wrap.c
> > 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:1203:0: warning: "_POSIX_C_SOURCE" redefined
> >  #define _POSIX_C_SOURCE 200112L
> >  ^
> > 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 <command-line>: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 <command-line>: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.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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