@miconda Could you check error in log ``` [root@node0 kamailio]# cd src/modules/app_ruby/ [root@node0 app_ruby]# make clean [root@node0 app_ruby]# make Q=0 config.mak included config.mak included gcc -fPIC -DPIC -g -funroll-loops -Wcast-align -m64 -minline-all-stringops -falign-loops -ftree-vectorize -fno-strict-overflow -mtune=generic -Wall -DNAME='"kamailio"' -DVERSION='"5.3.0-dev1"' -DARCH='"x86_64"' -DOS='linux_' -DOS_QUOTED='"linux"' -DCOMPILER='"gcc 4.8.5"' -D__CPU_x86_64 -D__OS_linux -DVERSIONVAL=5003000 -DCFG_DIR='"/usr/local/etc/kamailio/"' -DSHARE_DIR='"/usr/local/share/kamailio/"' -DRUN_DIR='"/var/run/kamailio/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DDNS_IP_HACK -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER -DUSE_DST_BLACKLIST -DUSE_NAPTR -DWITH_XAVP -DMEM_JOIN_FREE -DF_MALLOC -DQ_MALLOC -DTLSF_MALLOC -DDBG_SR_MEMORY -DUSE_TLS -DTLS_HOOKS -DUSE_CORE_STATS -DSTATISTICS -DMALLOC_STATS -DWITH_AS_SUPPORT -DUSE_SCTP -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DCC_GCC_LIKE_ASM -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_SCHED_SETSCHEDULER -DHAVE_IP_MREQN -DUSE_RAW_SOCKS -DHAVE_EPOLL -DHAVE_SIGIO_RT -DSIGINFO64_WORKARROUND -DUSE_FUTEX -DHAVE_SELECT -I/usr/local/include -I/include -DMOD_NAME='"app_ruby"' -c app_ruby_api.c -o app_ruby_api.o -MMD -MP gcc -fPIC -DPIC -g -funroll-loops -Wcast-align -m64 -minline-all-stringops -falign-loops -ftree-vectorize -fno-strict-overflow -mtune=generic -Wall -DNAME='"kamailio"' -DVERSION='"5.3.0-dev1"' -DARCH='"x86_64"' -DOS='linux_' -DOS_QUOTED='"linux"' -DCOMPILER='"gcc 4.8.5"' -D__CPU_x86_64 -D__OS_linux -DVERSIONVAL=5003000 -DCFG_DIR='"/usr/local/etc/kamailio/"' -DSHARE_DIR='"/usr/local/share/kamailio/"' -DRUN_DIR='"/var/run/kamailio/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DDNS_IP_HACK -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER -DUSE_DST_BLACKLIST -DUSE_NAPTR -DWITH_XAVP -DMEM_JOIN_FREE -DF_MALLOC -DQ_MALLOC -DTLSF_MALLOC -DDBG_SR_MEMORY -DUSE_TLS -DTLS_HOOKS -DUSE_CORE_STATS -DSTATISTICS -DMALLOC_STATS -DWITH_AS_SUPPORT -DUSE_SCTP -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DCC_GCC_LIKE_ASM -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_SCHED_SETSCHEDULER -DHAVE_IP_MREQN -DUSE_RAW_SOCKS -DHAVE_EPOLL -DHAVE_SIGIO_RT -DSIGINFO64_WORKARROUND -DUSE_FUTEX -DHAVE_SELECT -I/usr/local/include -I/include -DMOD_NAME='"app_ruby"' -c app_ruby_kemi_export.c -o app_ruby_kemi_export.o -MMD -MP gcc -fPIC -DPIC -g -funroll-loops -Wcast-align -m64 -minline-all-stringops -falign-loops -ftree-vectorize -fno-strict-overflow -mtune=generic -Wall -DNAME='"kamailio"' -DVERSION='"5.3.0-dev1"' -DARCH='"x86_64"' -DOS='linux_' -DOS_QUOTED='"linux"' -DCOMPILER='"gcc 4.8.5"' -D__CPU_x86_64 -D__OS_linux -DVERSIONVAL=5003000 -DCFG_DIR='"/usr/local/etc/kamailio/"' -DSHARE_DIR='"/usr/local/share/kamailio/"' -DRUN_DIR='"/var/run/kamailio/"' -DPKG_MALLOC -DSHM_MEM -DSHM_MMAP -DDNS_IP_HACK -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER -DUSE_DST_BLACKLIST -DUSE_NAPTR -DWITH_XAVP -DMEM_JOIN_FREE -DF_MALLOC -DQ_MALLOC -DTLSF_MALLOC -DDBG_SR_MEMORY -DUSE_TLS -DTLS_HOOKS -DUSE_CORE_STATS -DSTATISTICS -DMALLOC_STATS -DWITH_AS_SUPPORT -DUSE_SCTP -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024 -DCC_GCC_LIKE_ASM -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_SCHED_SETSCHEDULER -DHAVE_IP_MREQN -DUSE_RAW_SOCKS -DHAVE_EPOLL -DHAVE_SIGIO_RT -DSIGINFO64_WORKARROUND -DUSE_FUTEX -DHAVE_SELECT -I/usr/local/include -I/include -DMOD_NAME='"app_ruby"' -c app_ruby_mod.c -o app_ruby_mod.o -MMD -MP gcc -shared -m64 -Wl,-O2 -Wl,-E app_ruby_api.o app_ruby_kemi_export.o app_ruby_mod.o -L/usr/local/lib -L/lib -lruby -lpthread -lobjc -o app_ruby.so /usr/bin/ld: cannot find -lobjc collect2: error: ld returned 1 exit status make: *** [app_ruby.so] Error 1 ``` And some additional info ``` [root@node0 app_ruby]# pkg-config --list-all | grep ruby ruby Ruby - Object Oriented Script Language [root@node0 app_ruby]# cat /usr/lib64/pk pkcs11/ pkgconfig/ [root@node0 app_ruby]# cat /usr/lib64/pk pkcs11/ pkgconfig/ [root@node0 app_ruby]# cat /usr/lib64/pkgconfig/ruby.pc arch=x86_64-linux sitearch=${arch} prefix=/usr exec_prefix=${prefix} bindir=${exec_prefix}/bin libdir=${exec_prefix}/lib64 includedir=/usr/include MAJOR=2 MINOR=0 TEENY=0 ruby_version= RUBY_PROGRAM_VERSION=2.0.0 RUBY_BASE_NAME=ruby RUBY_VERSION_NAME=${RUBY_BASE_NAME}-${ruby_version} RUBY_SO_NAME=${RUBY_BASE_NAME} RUBY_INSTALL_NAME=${RUBY_BASE_NAME} DEFFILE= LIBPATH= LIBRUBY_A=lib${RUBY_SO_NAME}-static.a LIBRUBY_SO=lib${RUBY_SO_NAME}.so.${MAJOR}.${MINOR}.${TEENY} LIBRUBY=${LIBRUBY_SO} LIBRUBYARG_SHARED=-l${RUBY_SO_NAME} LIBRUBYARG_STATIC=-l${RUBY_SO_NAME}-static LIBRUBYARG=${LIBRUBYARG_SHARED} LIBS=-lpthread -lrt -ldl -lcrypt -lm DLDFLAGS= archlibdir=${libdir}/${arch} sitearchlibdir=${libdir}/${sitearch} archincludedir=${includedir}/${arch} sitearchincludedir=${includedir}/${sitearch} ruby=${bindir}/${RUBY_INSTALL_NAME} rubylibprefix=${exec_prefix}/share/${RUBY_BASE_NAME} rubyarchprefix=${libdir}/${RUBY_BASE_NAME} rubysitearchprefix=${sitearchlibdir}/${RUBY_BASE_NAME} rubylibdir=${rubylibprefix}/${ruby_version} vendordir=/usr/share/ruby/vendor_ruby sitedir=/usr/local/share/ruby/site_ruby vendorlibdir=${vendordir}/${ruby_version} sitelibdir=${sitedir}/${ruby_version} rubyarchdir=${rubyarchprefix}/${ruby_version} vendorarchdir=/usr/lib64/ruby/vendor_ruby sitearchdir=/usr/local/lib64/ruby/site_ruby rubyhdrdir=/usr/include vendorhdrdir=${rubyhdrdir}/vendor_ruby sitehdrdir=${rubyhdrdir}/site_ruby
Name: Ruby Description: Object Oriented Script Language Version: 2.0.0 URL: http://www.ruby-lang.org Cflags: -I${rubyhdrdir}/${arch} -I${rubyhdrdir} Libs: ${DLDFLAGS} ${LIBRUBYARG_SHARED} ${LIBS} Requires: [root@node0 app_ruby]# cat /etc/redhat-release CentOS Linux release 7.5.1804 (Core) ```