make[4]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/upmpdcli-1.1.3'
depbase=`echo src/ohproduct.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
ccache_cxx -DHAVE_CONFIG_H -I. -I./src  -DDEBUG -g -Wall -DDATADIR=\"/usr/share/upmpdcli\" -DCONFIGDIR=\"/etc\" -DUPMPDCLI_PACKAGE_VERSION=\"1.1.3\" -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  -std=c++0x  -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 src/ohproduct.o -MD -MP -MF $depbase.Tpo -c -o src/ohproduct.o src/ohproduct.cxx &&\
mv -f $depbase.Tpo $depbase.Po
In file included from src/ohproduct.cxx:32:0:
src/ohproduct.cxx: In function 'void listScripts(std::vector<std::pair<std::basic_string<char>, std::basic_string<char> > >&)':
src/ohproduct.cxx:395:16: error: 'errno' was not declared in this scope
                errno << endl);
                ^
Makefile:638: recipe for target 'src/ohproduct.o' failed
make[4]: *** [src/ohproduct.o] Error 1
make[4]: Leaving directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/upmpdcli-1.1.3'
Makefile:63: recipe for target '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/upmpdcli-1.1.3/.built' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/upmpdcli-1.1.3/.built] Error 2