Applying ./patches/01-includes.patch using plaintext: 
patching file Makefile.in

Applying ./patches/02-fix-flags-dupes.patch using plaintext: 
patching file configure

Applying ./patches/100-coturn-4.6.0-openssl3-from-gentoo.patch using plaintext: 
patching file src/apps/relay/dtls_listener.c
patching file src/apps/relay/ns_ioalib_engine_impl.c
patching file src/apps/uclient/startuclient.c
patching file src/client/ns_turn_msg.c
patching file src/apps/relay/netengine.c
patching file src/apps/relay/mainrelay.c
ginstall: not found
install is /builder/shared-workdir/build/sdk/staging_dir/host/bin/install
pkill: not found
sqlite3: not found
sqlite: not found
Use TMP dir /var/tmp
Compiler: arm-openwrt-linux-muslgnueabi-gcc
pkgconf: not found
pkg-config is /builder/shared-workdir/build/sdk/staging_dir/host/bin/pkg-config
pkg-config: pkg-config
Library option -lsocket cannot be used
Library option -lwldap32 cannot be used
Library option -lwldap64 cannot be used
Library option -lnsl cannot be used
Sockets code is fine: no sin_len field present
Ignore IP_RECVERR
Library option -lcrypto cannot be used
ERROR: OpenSSL Crypto development libraries are not installed properly in required location.
Abort.
make[3]: *** [Makefile:150: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a9+vfpv3-d16_musl_eabi/coturn-4.6.1/.configured_2d04353e9c2eb6efc48ff1033ebf48bb] Error 1
time: package/feeds/telephony/coturn/compile#1.17#0.44#2.14