Applying ./patches/0001-dtls.c-Update-openssl-API-to-1.1.0.patch using plaintext: 
patching file src/dtls.c
CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- The C compiler identification is GNU 8.4.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /mnt/immortalwrt-18.06/staging_dir/toolchain-x86_64_gcc-8.4.0_musl/bin/x86_64-openwrt-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Found PkgConfig: /mnt/immortalwrt-18.06/staging_dir/host/bin/pkg-config (found version "1.8.0") 
-- Checking for module 'json-c'
--   Found json-c, version 0.15
-- Configuring done
-- Generating done
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_ASM_COMPILER
    CMAKE_ASM_COMPILER_LAUNCHER
    CMAKE_CXX_COMPILER
    CMAKE_CXX_FLAGS_RELEASE
    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_EXPORT_PACKAGE_REGISTRY
    CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY
    CMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY
    CMAKE_FIND_USE_PACKAGE_REGISTRY
    CMAKE_FIND_USE_SYSTEM_PACKAGE_REGISTRY
    CMAKE_MODULE_LINKER_FLAGS
    CMAKE_SHARED_LINKER_FLAGS
    DL_LIBRARY


-- Build files have been written to: /mnt/immortalwrt-18.06/build_dir/target-x86_64_musl/hnetd-nossl/hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e
ninja: Entering directory `/mnt/immortalwrt-18.06/build_dir/target-x86_64_musl/hnetd-nossl/hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e'
[1/76] Building C object CMakeFiles/L_HT.dir/src/hnetd_time.c.o
[2/76] Building C object CMakeFiles/L_PX.dir/src/prefix.c.o
[3/76] Building C object CMakeFiles/L_BT.dir/src/btrie.c.o
[4/76] Building C object CMakeFiles/L_BO.dir/src/bitops.c.o
[5/76] Building C object CMakeFiles/L_PU.dir/src/prefix_utils.c.o
[6/76] Building C object CMakeFiles/L_TLV.dir/src/tlv.c.o
[7/76] Building C object CMakeFiles/L_DNCP_BASE.dir/src/dncp.c.o
[8/76] Building C object CMakeFiles/L_DNCP_BASE.dir/src/dncp_notify.c.o
[9/76] Building C object CMakeFiles/L_DNCP_BASE.dir/src/dncp_timeout.c.o
[10/76] Building C object CMakeFiles/L_PA.dir/src/pa_core.c.o
FAILED: CMakeFiles/L_PA.dir/src/pa_core.c.o 
/mnt/immortalwrt-18.06/staging_dir/host/bin/ccache /mnt/immortalwrt-18.06/staging_dir/toolchain-x86_64_gcc-8.4.0_musl/bin/x86_64-openwrt-linux-musl-gcc -DCMAKE_INSTALL_PREFIX=\"/usr\" -DHNETD_VERSION=f4e2b7aa3 -DL_LEVEL=7 -D_GNU_SOURCE -I/mnt/immortalwrt-18.06/build_dir/target-x86_64_musl/hnetd-nossl/hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e/src -Os -pipe -fno-caller-saves -fno-plt -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result -ffile-prefix-map=/mnt/immortalwrt-18.06/build_dir/target-x86_64_musl/hnetd-nossl/hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e=hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -g -std=c99 -DNDEBUG   -Wall -Wno-gnu -Wextra -MD -MT CMakeFiles/L_PA.dir/src/pa_core.c.o -MF CMakeFiles/L_PA.dir/src/pa_core.c.o.d -o CMakeFiles/L_PA.dir/src/pa_core.c.o -c /mnt/immortalwrt-18.06/build_dir/target-x86_64_musl/hnetd-nossl/hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e/src/pa_core.c
In file included from /mnt/immortalwrt-18.06/staging_dir/toolchain-x86_64_gcc-8.4.0_musl/include/sys/stat.h:23,
                 from /mnt/immortalwrt-18.06/staging_dir/target-x86_64_musl/usr/include/libubox/utils.h:22,
                 from src/hnetd.h:47,
                 from src/pa_conf.h:147,
                 from src/pa_core.h:43,
                 from src/pa_core.c:8:
/mnt/immortalwrt-18.06/staging_dir/toolchain-x86_64_gcc-8.4.0_musl/include/bits/stat.h:21:15: error: expected identifier or '(' before '[' token
  long __unused[3];
               ^
cc1: warning: unrecognized command line option '-Wno-gnu'
ninja: build stopped: subcommand failed.
make[2]: *** [Makefile:162: /mnt/immortalwrt-18.06/build_dir/target-x86_64_musl/hnetd-nossl/hnetd-2016-06-28-606d7e904603ad8792ac1a7ba825618df97b5a4e/.built] Error 1
time: package/feeds/routing/hnetd/nossl/compile#1.33#0.15#2.55