DTLS build failure: make[2]: *** No rule to make target '../../runtime/lmnsd_ossl.la', needed by 'imdtls.la'. Stop.

[mbiebl]

Version: 8.2402.0

Runnig ./configure --enable-imdtls --enable-omdtls succeeds with

****************************************************
rsyslog will be compiled with the following settings:

    Large file support enabled:               yes
    Networking support enabled:               yes
    Regular expressions support enabled:      yes
    rsyslog runtime will be built:            yes
    rsyslogd will be built:                   yes
    have to generate man pages:               yes
    Unlimited select() support enabled:       no
    uuid support enabled:                     yes
    Log file signing support via KSI LS12:    no
    Log file encryption support:              yes
    Log file compression via zstd support:    no
    anonymization support enabled:            no
    message counting support enabled:         no
    liblogging-stdlog support enabled:        no
    libsystemd enabled:                       yes
    kafka static linking enabled:             no
    qpid proton static linking enabled:       no
    atomic operations enabled:                yes
    libcap-ng support enabled:                no

---{ input plugins }---
    Klog functionality enabled:               yes (linux)
    /dev/kmsg functionality enabled:          no
    plain tcp input module enabled:           no
    DTLS udp input module enabled:            yes
    imdiag enabled:                           no
    file input module enabled:                no
    docker log input module enabled:          no
    Solaris input module enabled:             no
    periodic statistics module enabled:       no
    imczmq input module enabled:              no
    imjournal input module enabled:           no
    imbatchreport input module enabled:       no
    imkafka module will be compiled:          no
    impcap input module enabled:              no
    imtuxedoulog module will be compiled:     no
    improg input module enabled:              no
    imhttp input module enabled:              no
    imhiredis input module enabled:           no

---{ output plugins }---
    Mail support enabled:                     no
    omfile-hardened module will be compiled:  no
    omprog module will be compiled:           no
    omstdout module will be compiled:         no
    omjournal module will be compiled:        no
    omhdfs module will be compiled:           no
    omelasticsearch module will be compiled:  no
    omclickhouse module will be compiled:     no
    omhttp module will be compiled:           no
    omruleset module will be compiled:        no
    omudpspoof module will be compiled:       no
    omuxsock module will be compiled:         no
    omczmq module will be compiled:           no
    omrabbitmq module will be compiled:       no
    omhttpfs module will be compiled:         no
    omamqp1 module will be compiled:          no
    omtcl module will be compiled:            no
    omkafka module will be compiled:          no
    omhiredis module will be compiled:        no
    omazureeventhubs module will be compiled: no
    omdtls module will be compiled:           yes

---{ parser modules }---
    pmlastmsg module will be compiled:        no
    pmcisconames module will be compiled:     no
    pmciscoios module will be compiled:       no
    pmnull module will be compiled:           no
    pmnormalize module will be compiled:      no
    pmaixforwardedfrom module w.be compiled:  no
    pmsnare module will be compiled:          no
    pmdb2diag module will be compiled:        no
    pmpanngfw module will be compiled:        no

---{ message modification modules }---
    mmnormalize module will be compiled:      no
    mmjsonparse module will be compiled:      no
    mmgrok module will be compiled:           no
    mmjaduit module will be compiled:         no
    mmsnmptrapd module will be compiled:      no
    mmutf8fix enabled:                        no
    mmrfc5424addhmac enabled:                 no
    mmpstrucdata enabled:                     no
    mmsequence enabled:                       no
    mmdblookup enabled:                       no
    mmdarwin enabled:                         no
    mmfields enabled:                         no
    mmrm1stspace module enabled:              no
    mmkubernetes enabled:                     no
    mmtaghostname enabled:                    no

---{ database support }---
    MySql support enabled:                    no
    libdbi support enabled:                   no
    PostgreSQL support enabled:               no
    mongodb support enabled:                  no
    hiredis support enabled:                  no

---{ protocol support }---
    openssl network stream driver enabled:    no
    GnuTLS network stream driver enabled:     no
    GSSAPI Kerberos 5 support enabled:        no
    RELP support enabled:                     no
    SNMP support enabled:                     no

---{ function modules }---
    fmhttp enabled:                           yes
    fmhash enabled:                           yes
    fmhash with xxhash enabled:               no
    fmunflatten enabled:                      no
    ffaup enabled:                            no

---{ debugging support }---
    distcheck workaround enabled:             no
    Testbench enabled:                        no
    valgrind tests enabled:                   
    valgrind helgrind tests enabled:          yes
    Default tests enabled:                    yes
    Testbench libfaketime tests enabled:      no
    Extended Testbench enabled:               no
    MySQL Tests enabled:                      no
    Elasticsearch Tests:                      no
    ClickHouse Tests:                         no
    PostgreSQL Tests enabled:                 no
    Kafka Tests enabled:                      no
    Redis Tests enabled:                      no
    Omazureeventhubs Tests enabled:           no
    Imdocker Tests enabled:                   no
    gnutls tests enabled:                     no
    imfile tests enabled:                     no
    systemd journal tests enabled:            no
    SNMP Tests enabled:                       no
    Debug mode enabled:                       yes
    (total) debugless mode enabled:           no
    Diagnostic tools enabled:                 no
    End-User tools enabled:                   no
    Valgrind support settings enabled:        no

The resulting build fails though:

Making all in plugins/imdtls
make[2]: Entering directory '/home/michael/git/rsyslog/plugins/imdtls'
make[2]: *** No rule to make target '../../runtime/lmnsd_ossl.la', needed by 'imdtls.la'.  Stop.
make[2]: Leaving directory '/home/michael/git/rsyslog/plugins/imdtls'
make[1]: *** [Makefile:936: all-recursive] Error 1
make[1]: Leaving directory '/home/michael/git/rsyslog'
make: *** [Makefile:784: all] Error 2

It appears, DTLS support requires --enable-openssl

configure.ac should catch this and fail if --enable-openssl is not passed to ./configure