make[4]: Entering directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
make[5]: Entering directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
make[6]: Entering directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
[  2%] Building C object CMakeFiles/websockets.dir/lib/base64-decode.c.o
In file included from /build/lede-17.01/slaves/phase2/x86_64/build/sdk/staging_dir/target-x86_64_musl-1.1.16/usr/include/wolfssl/ssl.h:31:0,
                 from /build/lede-17.01/slaves/phase2/x86_64/build/sdk/staging_dir/target-x86_64_musl-1.1.16/usr/include/cyassl/ssl.h:33,
                 from /build/lede-17.01/slaves/phase2/x86_64/build/sdk/staging_dir/target-x86_64_musl-1.1.16/usr/include/cyassl/openssl/ssl.h:30,
                 from /build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3/lib/private-libwebsockets.h:192,
                 from /build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3/lib/base64-decode.c:44:
/build/lede-17.01/slaves/phase2/x86_64/build/sdk/staging_dir/target-x86_64_musl-1.1.16/usr/include/wolfssl/wolfcrypt/settings.h:1562:14: error: #warning "For timing resistance / side-channel attack prevention consider using harden options" [-Werror=cpp]
             #warning "For timing resistance / side-channel attack prevention consider using harden options"
              ^
cc1: all warnings being treated as errors
CMakeFiles/websockets.dir/build.make:62: recipe for target 'CMakeFiles/websockets.dir/lib/base64-decode.c.o' failed
make[6]: *** [CMakeFiles/websockets.dir/lib/base64-decode.c.o] Error 1
make[6]: Leaving directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/websockets.dir/all' failed
make[5]: *** [CMakeFiles/websockets.dir/all] Error 2
make[5]: Leaving directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
Makefile:149: recipe for target 'all' failed
make[4]: *** [all] Error 2
make[4]: Leaving directory '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3'
Makefile:110: recipe for target '/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3/.built' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/x86_64/build/sdk/build_dir/target-x86_64_musl-1.1.16/libwebsockets-cyassl/libwebsockets-2.0.3/.built] Error 2