From https://kamailio.sipwise.com/job/kamailiodev-nightly-binaries/architecture=a...

> gcc -fPIC -DPIC -funroll-loops -Wcast-align -m64 -minline-all-stringops -falign-loops -ftree-vectorize -fno-strict-overflow -mtune=generic -pthread -DKSR_PTHREAD_MUTEX_SHARED -Wall -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/kamailio-5.8.0~dev0+bpo9.20230622005415.2462=. -fstack-protector-strong -Wformat -Werror=format-security -DVERSION_NODATE -DNAME='"kamailio"' -DVERSION='"5.8.0-dev0"' -DARCH='"x86_64"' -DOS='linux_' -DOS_QUOTED='"linux"' -DCOMPILER='"gcc 6.3.0"' -D__CPU_x86_64 -D__OS_linux -DVERSIONVAL=5008000 -DCFG_DIR='"/etc/kamailio/"' -DSHARE_DIR='"/usr/share/kamailio/"' -DRUN_DIR='"/var/run/kamailio/"' -DPKG_MALLOC -DSHM_MMAP -DDNS_IP_HACK -DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER -DUSE_DST_BLOCKLIST -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 -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_WORKAROUND -DUSE_FUTEX -DHAVE_SELECT -DMOD_NAME='"tls"' -DMOD_NAMEID='tls' -c tls_init.c -o tls_init.o -MMD -MP > tls_init.c: In function 'tls_h_mod_pre_init_f': > tls_init.c:752:19: error: 'OPENSSL_INIT_ATFORK' undeclared (first use in this function) > OPENSSL_init_ssl(OPENSSL_INIT_ATFORK, NULL); > ^~~~~~~~~~~~~~~~~~~ > tls_init.c:752:19: note: each undeclared identifier is reported only once for each function it appears in > ../../Makefile.rules:100: recipe for target 'tls_init.o' failed

error introduced at 9d6bfb96528c49e6aaa39aa47be877ca528c3537

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#### Description <!-- Describe your changes in detail -->

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3493

-- Commit Summary --

* tls: fix build for openssl < 1.1.1

-- File Changes --

M src/modules/tls/tls_init.c (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/3493.patch https://github.com/kamailio/kamailio/pull/3493.diff