make[4]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17'
make  all-recursive
make[5]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17'
Making all in .
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17'
make[6]: Nothing to be done for 'all-am'.
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17'
Making all in examples
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/examples'
make[6]: Nothing to be done for 'all'.
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/examples'
Making all in lib
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/lib'
make  all-am
make[7]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/lib'
depbase=`echo spawn_faction_addclose.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
ccache_cc  -I.   -I/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/target-arc_archs_uClibc-1.0.14/usr/include -I/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/target-arc_archs_uClibc-1.0.14/include -I/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/usr/include -I/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/staging_dir/toolchain-arc_archs_gcc-arc-2016.03_uClibc-1.0.14/include   -Os -pipe -matomic -marchs -fno-caller-saves -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result  -Wformat -Werror=format-security -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro  -MT spawn_faction_addclose.o -MD -MP -MF $depbase.Tpo -c -o spawn_faction_addclose.o spawn_faction_addclose.c &&\
mv -f $depbase.Tpo $depbase.Po
In file included from spawn_faction_addclose.c:17:0:
./config.h:78:0: warning: "_FORTIFY_SOURCE" redefined [enabled by default]
    # define _FORTIFY_SOURCE 2
 ^
<command-line>:0:0: note: this is the location of the previous definition
spawn_faction_addclose.c: In function 'posix_spawn_file_actions_addclose':
spawn_faction_addclose.c:50:19: error: 'posix_spawn_file_actions_t' has no member named '_used'
   if (file_actions->_used == file_actions->_allocated
                   ^
spawn_faction_addclose.c:50:42: error: 'posix_spawn_file_actions_t' has no member named '_allocated'
   if (file_actions->_used == file_actions->_allocated
                                          ^
spawn_faction_addclose.c:59:24: error: 'posix_spawn_file_actions_t' has no member named '_actions'
     rec = &file_actions->_actions[file_actions->_used];
                        ^
spawn_faction_addclose.c:59:47: error: 'posix_spawn_file_actions_t' has no member named '_used'
     rec = &file_actions->_actions[file_actions->_used];
                                               ^
spawn_faction_addclose.c:64:19: error: 'posix_spawn_file_actions_t' has no member named '_used'
     ++file_actions->_used;
                   ^
Makefile:1837: recipe for target 'spawn_faction_addclose.o' failed
make[7]: *** [spawn_faction_addclose.o] Error 1
make[7]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/lib'
Makefile:1602: recipe for target 'all' failed
make[6]: *** [all] Error 2
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/lib'
Makefile:1506: recipe for target 'all-recursive' failed
make[5]: *** [all-recursive] Error 1
make[5]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17'
Makefile:1461: recipe for target 'all' failed
make[4]: *** [all] Error 2
make[4]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17'
Makefile:41: recipe for target '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/.built' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/m4-1.4.17/.built] Error 2