make[4]: Entering directory '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/flent-tools-1.0.1/misc'
ccache_cc -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 -std=gnu99 tc_iterate.c -o tc_iterate -lm -lrt
tc_iterate.c:30:19: fatal error: iconv.h: No such file or directory
 #include <iconv.h>
                   ^
compilation terminated.
Makefile:9: recipe for target 'tc_iterate' failed
make[4]: *** [tc_iterate] 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/flent-tools-1.0.1/misc'
Makefile:51: recipe for target '/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/flent-tools-1.0.1/.built' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/arc_archs/build/sdk/build_dir/target-arc_archs_uClibc-1.0.14/flent-tools-1.0.1/.built] Error 2