make[4]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
make[5]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
[ 11%] Building CXX object src/CMakeFiles/double-conversion.dir/bignum.cc.o
In file included from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0/src/bignum.h:31:0,
                 from /build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0/src/bignum.cc:28:
/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0/src/utils.h:76:2: error: #error Target architecture was not detected as supported by Double-Conversion.
 #error Target architecture was not detected as supported by Double-Conversion.
  ^
src/CMakeFiles/double-conversion.dir/build.make:62: recipe for target 'src/CMakeFiles/double-conversion.dir/bignum.cc.o' failed
make[6]: *** [src/CMakeFiles/double-conversion.dir/bignum.cc.o] Error 1
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
CMakeFiles/Makefile2:85: recipe for target 'src/CMakeFiles/double-conversion.dir/all' failed
make[5]: *** [src/CMakeFiles/double-conversion.dir/all] Error 2
make[5]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0'
Makefile:127: 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/libdouble-conversion-2.0'
Makefile:68: recipe for target '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0/.built' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/libdouble-conversion-2.0/.built] Error 2