icecast fails to build against openssl-1.1 that lacks deprecated features

icecast-2.5_beta1 (and 2.4.3 as well) fails to build against openssl-1.1 that lacks deprecated features. This is the case when openssl-1.1 was built with either "--api=1.1.0" or "no-deprecated" option. The build issues look like this:

i686-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I.. -I./common/ -Wall -ffast-math -fsigned-char -I/usr/include/libxml2 -I/usr/include  -pthread -march=native -O2 -pipe -c -o connection.o connection.c
connection.c: In function ‘get_ssl_certificate’:
connection.c:195:5: warning: implicit declaration of function ‘SSL_load_error_strings’ [-Wimplicit-function-declaration]
     SSL_load_error_strings(); /* readable error messages */
     ^
connection.c:196:5: warning: implicit declaration of function ‘SSL_library_init’ [-Wimplicit-function-declaration]
     SSL_library_init(); /* initialize library */
     ^
connection.c:198:12: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
     method = SSLv23_server_method();
            ^

And later in the linking part:

libtool: link: i686-pc-linux-gnu-gcc -pthread -march=native -O2 -pipe -Wl,-O1 -Wl,--hash-style=gnu -Wl,--sort-common -o icecast cfgfile.o main.o logging.o sighandler.o connection.o global.o util.o slave.o source.o stats.o refbuf.o client.o xslt.o fserve.o admin.o md5.o format.o format_ogg.o format_mp3.o format_midi.o format_flac.o format_ebml.o format_kate.o format_skeleton.o format_opus.o event.o event_log.o event_exec.o acl.o auth.o auth_htpasswd.o auth_anonymous.o auth_static.o format_vorbis.o format_theora.o format_speex.o auth_url.o event_url.o yp.o  -L/usr/lib -Wl,--as-needed common/net/.libs/libicenet.a common/thread/.libs/libicethread.a common/httpp/.libs/libicehttpp.a common/log/.libs/libicelog.a common/avl/.libs/libiceavl.a common/timing/.libs/libicetiming.a -lcurl -lnghttp2 -lidn2 -lssl -lcrypto -lspeex -ltheora -lvorbis -logg -lxslt -lxml2 -lz -ldl -lm -pthread
connection.o: In function `connection_accept_loop':
connection.c:(.text+0x736): undefined reference to `SSL_load_error_strings'
connection.c:(.text+0x73b): undefined reference to `SSL_library_init'
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:512: icecast] Error 1