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

[Robert P. J. Day]

  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.

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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